darkcomet | bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/10/2022, 19:14

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General

Target

bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55.exe
Size

915KB
MD5

81d66a2e08aaf9b51a82b734b86c9e80
SHA1

48e5d46a6c5b95e1be88fa7a175a9d32358ec1dc
SHA256

bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55
SHA512

46c21077a8fe9523038c64e0c5aa85a801299ac809b771237a111becf4acbfaaa7ce6a45668bdeafa9949b34dccbc19424258c739334e3a7418b620ba1eb272d
SSDEEP

24576:5N1fAXro36rn7cdkr+HBYKMUkM0m+UaPtS:HqXrFLgyaqKHkhm+PPt

Score

10^/10

darkcomet wife-us persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

WIFE-US

127.0.0.1:1604

linep.no-ip.org:1604

Mutex

DC_MUTEX-AMR7Z0X

Attributes

gencode
WDR3l3d5DWC1
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Executes dropped EXE 1 IoCs

pid	Process
1520	UserLayout.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\WindowsUpdate.com.url	UserLayout.exe

Loads dropped DLL 2 IoCs

pid	Process
2000	bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55.exe
2000	bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\UserLayout.exe = "C:\\ProgramData\\UserLayout.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1520 set thread context of 976	1520	UserLayout.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe
1520	UserLayout.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2000	bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55.exe
Token: SeDebugPrivilege	1520	UserLayout.exe
Token: SeIncreaseQuotaPrivilege	976	vbc.exe
Token: SeSecurityPrivilege	976	vbc.exe
Token: SeTakeOwnershipPrivilege	976	vbc.exe
Token: SeLoadDriverPrivilege	976	vbc.exe
Token: SeSystemProfilePrivilege	976	vbc.exe
Token: SeSystemtimePrivilege	976	vbc.exe
Token: SeProfSingleProcessPrivilege	976	vbc.exe
Token: SeIncBasePriorityPrivilege	976	vbc.exe
Token: SeCreatePagefilePrivilege	976	vbc.exe
Token: SeBackupPrivilege	976	vbc.exe
Token: SeRestorePrivilege	976	vbc.exe
Token: SeShutdownPrivilege	976	vbc.exe
Token: SeDebugPrivilege	976	vbc.exe
Token: SeSystemEnvironmentPrivilege	976	vbc.exe
Token: SeChangeNotifyPrivilege	976	vbc.exe
Token: SeRemoteShutdownPrivilege	976	vbc.exe
Token: SeUndockPrivilege	976	vbc.exe
Token: SeManageVolumePrivilege	976	vbc.exe
Token: SeImpersonatePrivilege	976	vbc.exe
Token: SeCreateGlobalPrivilege	976	vbc.exe
Token: 33	976	vbc.exe
Token: 34	976	vbc.exe
Token: 35	976	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
976	vbc.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 1520	2000	bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55.exe	28
PID 2000 wrote to memory of 1520	2000	bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55.exe	28
PID 2000 wrote to memory of 1520	2000	bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55.exe	28
PID 2000 wrote to memory of 1520	2000	bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55.exe	28
PID 1520 wrote to memory of 1420	1520	UserLayout.exe	29
PID 1520 wrote to memory of 1420	1520	UserLayout.exe	29
PID 1520 wrote to memory of 1420	1520	UserLayout.exe	29
PID 1520 wrote to memory of 1420	1520	UserLayout.exe	29
PID 1420 wrote to memory of 2028	1420	cmd.exe	31
PID 1420 wrote to memory of 2028	1420	cmd.exe	31
PID 1420 wrote to memory of 2028	1420	cmd.exe	31
PID 1420 wrote to memory of 2028	1420	cmd.exe	31
PID 1520 wrote to memory of 976	1520	UserLayout.exe	32
PID 1520 wrote to memory of 976	1520	UserLayout.exe	32
PID 1520 wrote to memory of 976	1520	UserLayout.exe	32
PID 1520 wrote to memory of 976	1520	UserLayout.exe	32
PID 1520 wrote to memory of 976	1520	UserLayout.exe	32
PID 1520 wrote to memory of 976	1520	UserLayout.exe	32
PID 1520 wrote to memory of 976	1520	UserLayout.exe	32
PID 1520 wrote to memory of 976	1520	UserLayout.exe	32
PID 1520 wrote to memory of 976	1520	UserLayout.exe	32
PID 1520 wrote to memory of 976	1520	UserLayout.exe	32
PID 1520 wrote to memory of 976	1520	UserLayout.exe	32
PID 1520 wrote to memory of 976	1520	UserLayout.exe	32
PID 1520 wrote to memory of 976	1520	UserLayout.exe	32

C:\Users\Admin\AppData\Local\Temp\bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55.exe
"C:\Users\Admin\AppData\Local\Temp\bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000
- C:\ProgramData\UserLayout.exe
  C:\ProgramData\UserLayout.exe
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1520
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce" /f /v "UserLayout.exe" /t REG_SZ /d "C:\ProgramData\UserLayout.exe" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1420
  - - C:\Windows\SysWOW64\reg.exe
      reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce" /f /v "UserLayout.exe" /t REG_SZ /d "C:\ProgramData\UserLayout.exe"
      4⤵
      Adds Run key to start application
      PID:2028
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\UserLayout.exe

Filesize
915KB

MD5
81d66a2e08aaf9b51a82b734b86c9e80

SHA1
48e5d46a6c5b95e1be88fa7a175a9d32358ec1dc

SHA256
bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55

SHA512
46c21077a8fe9523038c64e0c5aa85a801299ac809b771237a111becf4acbfaaa7ce6a45668bdeafa9949b34dccbc19424258c739334e3a7418b620ba1eb272d

Download Submit
C:\ProgramData\UserLayout.exe

Filesize
915KB

MD5
81d66a2e08aaf9b51a82b734b86c9e80

SHA1
48e5d46a6c5b95e1be88fa7a175a9d32358ec1dc

SHA256
bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55

SHA512
46c21077a8fe9523038c64e0c5aa85a801299ac809b771237a111becf4acbfaaa7ce6a45668bdeafa9949b34dccbc19424258c739334e3a7418b620ba1eb272d

Download Submit
\ProgramData\UserLayout.exe

Filesize
915KB

MD5
81d66a2e08aaf9b51a82b734b86c9e80

SHA1
48e5d46a6c5b95e1be88fa7a175a9d32358ec1dc

SHA256
bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55

SHA512
46c21077a8fe9523038c64e0c5aa85a801299ac809b771237a111becf4acbfaaa7ce6a45668bdeafa9949b34dccbc19424258c739334e3a7418b620ba1eb272d

Download Submit
\ProgramData\UserLayout.exe

Filesize
915KB

MD5
81d66a2e08aaf9b51a82b734b86c9e80

SHA1
48e5d46a6c5b95e1be88fa7a175a9d32358ec1dc

SHA256
bdce122320dd4dcbf31e169609b231cd1cf6de1bd6286cc3b75738bfbd1a6d55

SHA512
46c21077a8fe9523038c64e0c5aa85a801299ac809b771237a111becf4acbfaaa7ce6a45668bdeafa9949b34dccbc19424258c739334e3a7418b620ba1eb272d

Download Submit
memory/976-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/976-81-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/976-88-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/976-86-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/976-85-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/976-83-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/976-79-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/976-77-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/976-68-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/976-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/976-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/976-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/976-76-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1520-63-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/1520-87-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/2000-54-0x0000000075501000-0x0000000075503000-memory.dmp

Filesize
8KB

Download
memory/2000-64-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/2000-55-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download
memory/2000-56-0x0000000074840000-0x0000000074DEB000-memory.dmp

Filesize
5.7MB

Download