Packed.Win32.Themida_18942b54e5

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Packed creates the following process(es):

ctfmon.exe:252

The Packed injects its code into the following process(es):

18942b54e5f52b0a66640fb6002b4f11.exe:3356
winbluetooth.exe:3696

File activity

The process 18942b54e5f52b0a66640fb6002b4f11.exe:3356 makes changes in a file system.

The Packed creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Application Data\Windows Host\winbluetooth.exe (34911 bytes)

The process winbluetooth.exe:3696 makes changes in a file system.

The Packed creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Application Data\Windows Host\phatk.ptx (206 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Application Data\Windows Host\btc-evergreen.il (84 bytes)
%Documents and Settings%\%current user%\Application Data\Windows Host\coineng.dll (1857 bytes)
%Documents and Settings%\%current user%\Application Data\Windows Host\coinutil.dll (29 bytes)
%Documents and Settings%\%current user%\Application Data\Windows Host\usft_ext.dll (6311 bytes)
%Documents and Settings%\%current user%\Application Data\Windows Host\phatk.cl (9 bytes)
%Documents and Settings%\%current user%\Application Data\Windows Host\miner.dll (1621 bytes)
%Documents and Settings%\%current user%\Application Data\Windows Host\btc.il (151 bytes)

Registry activity

The process 18942b54e5f52b0a66640fb6002b4f11.exe:3356 makes changes in a system registry.

The Packed creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "94 A6 87 1A 33 F3 C7 D2 5D 49 22 7E 15 6E CE 13"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f3-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"AutoDetect" = "1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Documents and Settings%\%current user%\Application Data\Windows Host]
"winbluetooth.exe" = "Bluetooth Media Player Controller"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f2-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{773a730e-74fb-11e2-b597-000c293bdf2f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f5-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"

To automatically run itself each time Windows is booted, the Packed adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Startup" = "%Documents and Settings%\%current user%\Application Data\Windows Host\Winver.exe"

The Packed modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"

The Packed modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"

The Packed modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The process winbluetooth.exe:3696 makes changes in a system registry.

The Packed creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "61 9C 86 E5 66 1E A6 71 3E B1 4A 24 BC FC E0 E4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

The process ctfmon.exe:252 makes changes in a system registry.

The Packed deletes the following value(s) in system registry:

The Packed disables automatic startup of the application by deleting the following autorun value:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"internat.exe"

Network activity (URLs)

URL	IP
hxxp://sourceforge.mirror.iweb.ca/project/themine/Windows Compiled/coin-minerstandard.exe (ET POLICY PE EXE or DLL Windows file download , Malicious)
hxxp://downloads.sourceforge.net/project/themine/Windows Compiled/coin-minerstandard.exe?download&failedmirror=iweb.dl.sourceforge.net	216.34.181.59
hxxp://softlayer-dal.dl.sourceforge.net/project/themine/Windows Compiled/coin-minerstandard.exe	67.228.157.232
eu-stratum.btcguild.com	95.211.223.14
iweb.dl.sourceforge.net	70.38.0.134

Rootkit activity

No anomalies have been detected.

Propagation

Removals

Remove it with Ad-Aware

1. Click (here) to download and install Ad-Aware Free Antivirus.
2. Update the definition files.
3. Run a full scan of your computer.

Manual removal*

1. Terminate the original Packed's process (How to End a Process With the Task Manager).
2. Delete the original Packed file.
   
3. Delete or disinfect the following files created/modified by the Packed:

   %Documents and Settings%\%current user%\Application Data\Windows Host\winbluetooth.exe (34911 bytes)
   %Documents and Settings%\%current user%\Application Data\Windows Host\phatk.ptx (206 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
   %Documents and Settings%\%current user%\Application Data\Windows Host\btc-evergreen.il (84 bytes)
   %Documents and Settings%\%current user%\Application Data\Windows Host\coineng.dll (1857 bytes)
   %Documents and Settings%\%current user%\Application Data\Windows Host\coinutil.dll (29 bytes)
   %Documents and Settings%\%current user%\Application Data\Windows Host\usft_ext.dll (6311 bytes)
   %Documents and Settings%\%current user%\Application Data\Windows Host\phatk.cl (9 bytes)
   %Documents and Settings%\%current user%\Application Data\Windows Host\miner.dll (1621 bytes)
   %Documents and Settings%\%current user%\Application Data\Windows Host\btc.il (151 bytes)

4. Delete the following value(s) in the autorun key (How to Work with System Registry):

   [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   "Startup" = "%Documents and Settings%\%current user%\Application Data\Windows Host\Winver.exe"

5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
   
6. Reboot the computer.
   

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

Static Analysis

Network Activity

Map

Strings from Dumps