Gen.Trojan.Heur.9y1vqu9UYmi_0bdfdc3df7

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

dgxvec.exe:2388
%original file name%.exe:3884

The Trojan injects its code into the following process(es):No processes have been created.

Mutexes

The following mutexes were created/opened:No objects were found.

File activity

The process dgxvec.exe:2388 makes changes in the file system.

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

C:\original .exe (1963131 bytes)
C:\%original file name%.exe .exe (1963131 bytes)
C:\config.sys .exe (1963131 bytes)
C:\bootmgr .exe (1963131 bytes)
C:\Boot .exe (1963131 bytes)
C:\Windows .exe (1963131 bytes)
C:\ProgramData .exe (1963131 bytes)
C:\$Recycle.Bin .exe (1963131 bytes)
C:\BOOTSECT.BAK .exe (1963131 bytes)
%Documents and Settings% .exe (1963131 bytes)
C:\totalcmd .exe (1963131 bytes)
C:\Users .exe (1963131 bytes)
C:\XELDZ .exe (1963131 bytes)
C:\autoexec.bat .exe (1963131 bytes)
C:\System Volume Information .exe (1963131 bytes)
C:\marker .exe (1963131 bytes)
%Program Files% .exe (1963131 bytes)
C:\pagefile.sys .exe (1963131 bytes)

The Trojan deletes the following file(s):

C:\Miray (0 bytes)
C:\Mirat (0 bytes)
C:\Mirau (0 bytes)
C:\Miraw (0 bytes)
C:\Mirap (0 bytes)
C:\Miraq (0 bytes)
C:\Mirar (0 bytes)
C:\Miram (0 bytes)
C:\Mirao (0 bytes)
C:\Mirah (0 bytes)
C:\Miraj (0 bytes)
C:\Mirak (0 bytes)
C:\Mirad (0 bytes)
C:\Mirae (0 bytes)
C:\Miraf (0 bytes)
C:\Mirag (0 bytes)
C:\Miraa (0 bytes)
C:\Mirac (0 bytes)

The process %original file name%.exe:3884 makes changes in the file system.

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

C:\ProgramData\Saaaalamm\Mira.h (960208 bytes)
C:\ProgramData\dgxvec.exe (1020253 bytes)

Registry activity

The process dgxvec.exe:2388 makes changes in the system registry.

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

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Microsoft® Windows® Operating System" = "C:\ProgramData\dgxvec.exe"

Dropped PE files

MD5	File path
1a5e291201c4088eb0ddc2c77c8bbaaa	c:\$Recycle.Bin .exe
e4ef048d4135751a215a0a0b5af7149a	c:\%original file name%.exe .exe
79eed9ac661d7ff8e89b89ad4a9f8352	c:\BOOTSECT.BAK .exe
ada6bcaa0fee33c390de471ab67e5cf9	c:\Boot .exe
e928dc8662f88126834b797652168204	c:\Documents and Settings .exe
f7a867dd1015e50115404e30a423900f	c:\Perl .exe
7448049087e9eaf614a1a163b157d9a0	c:\Program Files .exe
f1bb4f413246b0f7ae7feac945bda221	c:\ProgramData .exe
2549139ceeb2c40c2ea0aeb04527d833	c:\ProgramData\Saaaalamm\Mira.h
4e80e292e885193a8d223410ff50e3fe	c:\ProgramData\dgxvec.exe
aaa002c187e9f6e4c2cf39fd52a24a75	c:\System Volume Information .exe
a61b14414bd1e5635affeaf81463c83b	c:\Users .exe
2549139ceeb2c40c2ea0aeb04527d833	c:\Users\All Users\Saaaalamm\Mira.h
4e80e292e885193a8d223410ff50e3fe	c:\Users\All Users\dgxvec.exe
96666e2f0e569b5d0d58cbe8741f6c54	c:\Windows .exe
f7102c3993825c000fbbc99c1b7f94fb	c:\XELDZ .exe
59d911515fbe4b98492ec526ca72d55e	c:\autoexec.bat .exe
551786b93fa1fe3ec3c4e5bbcada5091	c:\bootmgr .exe
a9705696ec68b111c6e9666bbc8d7366	c:\config.sys .exe
a7b8a5393033af1a8db0892bca553df4	c:\marker .exe
d6bdd47228dad34282fe6247f189ecd3	c:\original .exe
7143c8a26d539dbe63afeb90b7f7f629	c:\pagefile.sys .exe
9315454523263bba679d3af9172b4089	c:\totalcmd .exe

HOSTS file anomalies

No changes have been detected.

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 malicious process(es) (How to End a Process With the Task Manager):

   dgxvec.exe:2388
   %original file name%.exe:3884

2. Delete the original Trojan file.
   
3. Delete or disinfect the following files created/modified by the Trojan:

   C:\original .exe (1963131 bytes)
   C:\%original file name%.exe .exe (1963131 bytes)
   C:\config.sys .exe (1963131 bytes)
   C:\bootmgr .exe (1963131 bytes)
   C:\Boot .exe (1963131 bytes)
   C:\Windows .exe (1963131 bytes)
   C:\ProgramData .exe (1963131 bytes)
   C:\$Recycle.Bin .exe (1963131 bytes)
   C:\BOOTSECT.BAK .exe (1963131 bytes)
   %Documents and Settings% .exe (1963131 bytes)
   C:\totalcmd .exe (1963131 bytes)
   C:\Users .exe (1963131 bytes)
   C:\XELDZ .exe (1963131 bytes)
   C:\autoexec.bat .exe (1963131 bytes)
   C:\System Volume Information .exe (1963131 bytes)
   C:\marker .exe (1963131 bytes)
   %Program Files% .exe (1963131 bytes)
   C:\pagefile.sys .exe (1963131 bytes)
   C:\ProgramData\Saaaalamm\Mira.h (960208 bytes)
   C:\ProgramData\dgxvec.exe (1020253 bytes)

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

   [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   "Microsoft® Windows® Operating System" = "C:\ProgramData\dgxvec.exe"

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

Static Analysis

VersionInfo

Company Name: Microsoft Corporation
Product Name: Mira Malware
Product Version: 1.0.0.155
Legal Copyright: Microsoft Corporation
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 1.0.0.155
File Description: Mira Malware
Comments:
Language: English (United States)

Company Name: Microsoft CorporationProduct Name: Mira MalwareProduct Version: 1.0.0.155Legal Copyright: Microsoft CorporationLegal Trademarks: Original Filename: Internal Name: File Version: 1.0.0.155File Description: Mira MalwareComments: Language: English (United States)

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	245368	245760	4.21465	8b164ac8ef3742f37830dc1842275667
.data	249856	608	1024	0.488703	6fda88cf7188a8245a53dfde927250fd
.rdata	253952	9384	9728	3.47165	dbe852009dbd077a9976cb0ecfb9aadf
.bss	266240	18576	0	0	d41d8cd98f00b204e9800998ecf8427e
.idata	286720	2212	2560	2.97703	5e5242c565219f3bd33a6568632559dc
.rsrc	290816	758300	750829	4.9173	1531f65053338a377c5fcbc9cbb47a0d

Dropped from:

58f90ced3608ddc05348313f10dc5e81

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

dgxvec.exe_2388:

.text

.text

`.data

`.data

.rdata

.rdata

@.bss

@.bss

.idata

.idata

C:\ProgramData\dgxvec.exe

C:\ProgramData\dgxvec.exe

Software\Microsoft\Windows\CurrentVersion\Run

Software\Microsoft\Windows\CurrentVersion\Run

Windows

Windows

Operating System

Operating System

%H:%M:%S

%H:%M:%S

%m/%d/%y

%m/%d/%y

-0123456789

-0123456789

%s:%u: failed assertion `%s'

%s:%u: failed assertion `%s'

RegCloseKey

RegCloseKey

RegOpenKeyA

RegOpenKeyA

ADVAPI32.DLL

ADVAPI32.DLL

KERNEL32.dll

KERNEL32.dll

msvcrt.dll

msvcrt.dll

SHELL32.DLL

SHELL32.DLL