darkcomet | d85c9c99292bfc14eb103a7bef2388125c501f65c71802e688967561d30a27c9

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 04:25

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General

Target

f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe
Size

2.0MB
MD5

f2485a3bb600b7af5dd1e812a2b3a595
SHA1

1179741c00ffe2ea8d2ae76dd0b87a79c89b9edd
SHA256

d85c9c99292bfc14eb103a7bef2388125c501f65c71802e688967561d30a27c9
SHA512

ed57bc492e5601c5e30d7e32a6bb7db657b513309a5ea18d4043a4bb500a1f76962c6207b5fd53729586c41a88a9ad5ede22ab798ed07cfafc4fcde8f9f39b79
SSDEEP

49152:0QCEn/7SFLRxdNocwwZtFRcPcRSc/7f8ueqIGaWNTd75j83InWqFlSX2AOb8/aTL:

Score

10^/10

darkcomet g-8 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

G-8

coyotte760000.no-ip.org:1604

Mutex

DC_MUTEX-PUYZZGK

Attributes

InstallPath
Frame.net\hyhip�hdchjppsfhjk\frghjkkijfrdxcvvbb\Micro-soft\update.exe
gencode
xZVjClPMvJ52
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\Frame.net\\hyhipœhdchjppsfhjk\\frghjkkijfrdxcvvbb\\Micro-soft\\update.exe"	mmooii.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2024	attrib.exe
2832	attrib.exe

Executes dropped EXE 2 IoCs

pid	Process
2480	mmooii.exe
2692	update.exe

Loads dropped DLL 6 IoCs

pid	Process
2448	f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe
2448	f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe
2480	mmooii.exe
2692	update.exe
2692	update.exe
2692	update.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\Frame.net\\hyhipœhdchjppsfhjk\\frghjkkijfrdxcvvbb\\Micro-soft\\update.exe"	mmooii.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\Frame.net\\hyhipœhdchjppsfhjk\\frghjkkijfrdxcvvbb\\Micro-soft\\update.exe"	update.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mmooii.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2692	update.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2480	mmooii.exe
Token: SeSecurityPrivilege	2480	mmooii.exe
Token: SeTakeOwnershipPrivilege	2480	mmooii.exe
Token: SeLoadDriverPrivilege	2480	mmooii.exe
Token: SeSystemProfilePrivilege	2480	mmooii.exe
Token: SeSystemtimePrivilege	2480	mmooii.exe
Token: SeProfSingleProcessPrivilege	2480	mmooii.exe
Token: SeIncBasePriorityPrivilege	2480	mmooii.exe
Token: SeCreatePagefilePrivilege	2480	mmooii.exe
Token: SeBackupPrivilege	2480	mmooii.exe
Token: SeRestorePrivilege	2480	mmooii.exe
Token: SeShutdownPrivilege	2480	mmooii.exe
Token: SeDebugPrivilege	2480	mmooii.exe
Token: SeSystemEnvironmentPrivilege	2480	mmooii.exe
Token: SeChangeNotifyPrivilege	2480	mmooii.exe
Token: SeRemoteShutdownPrivilege	2480	mmooii.exe
Token: SeUndockPrivilege	2480	mmooii.exe
Token: SeManageVolumePrivilege	2480	mmooii.exe
Token: SeImpersonatePrivilege	2480	mmooii.exe
Token: SeCreateGlobalPrivilege	2480	mmooii.exe
Token: 33	2480	mmooii.exe
Token: 34	2480	mmooii.exe
Token: 35	2480	mmooii.exe
Token: SeIncreaseQuotaPrivilege	2692	update.exe
Token: SeSecurityPrivilege	2692	update.exe
Token: SeTakeOwnershipPrivilege	2692	update.exe
Token: SeLoadDriverPrivilege	2692	update.exe
Token: SeSystemProfilePrivilege	2692	update.exe
Token: SeSystemtimePrivilege	2692	update.exe
Token: SeProfSingleProcessPrivilege	2692	update.exe
Token: SeIncBasePriorityPrivilege	2692	update.exe
Token: SeCreatePagefilePrivilege	2692	update.exe
Token: SeBackupPrivilege	2692	update.exe
Token: SeRestorePrivilege	2692	update.exe
Token: SeShutdownPrivilege	2692	update.exe
Token: SeDebugPrivilege	2692	update.exe
Token: SeSystemEnvironmentPrivilege	2692	update.exe
Token: SeChangeNotifyPrivilege	2692	update.exe
Token: SeRemoteShutdownPrivilege	2692	update.exe
Token: SeUndockPrivilege	2692	update.exe
Token: SeManageVolumePrivilege	2692	update.exe
Token: SeImpersonatePrivilege	2692	update.exe
Token: SeCreateGlobalPrivilege	2692	update.exe
Token: 33	2692	update.exe
Token: 34	2692	update.exe
Token: 35	2692	update.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2692	update.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2480	2448	f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe	31
PID 2448 wrote to memory of 2480	2448	f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe	31
PID 2448 wrote to memory of 2480	2448	f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe	31
PID 2448 wrote to memory of 2480	2448	f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe	31
PID 2480 wrote to memory of 2112	2480	mmooii.exe	32
PID 2480 wrote to memory of 2112	2480	mmooii.exe	32
PID 2480 wrote to memory of 2112	2480	mmooii.exe	32
PID 2480 wrote to memory of 2112	2480	mmooii.exe	32
PID 2480 wrote to memory of 2824	2480	mmooii.exe	33
PID 2480 wrote to memory of 2824	2480	mmooii.exe	33
PID 2480 wrote to memory of 2824	2480	mmooii.exe	33
PID 2480 wrote to memory of 2824	2480	mmooii.exe	33
PID 2480 wrote to memory of 2692	2480	mmooii.exe	36
PID 2480 wrote to memory of 2692	2480	mmooii.exe	36
PID 2480 wrote to memory of 2692	2480	mmooii.exe	36
PID 2480 wrote to memory of 2692	2480	mmooii.exe	36
PID 2480 wrote to memory of 2692	2480	mmooii.exe	36
PID 2480 wrote to memory of 2692	2480	mmooii.exe	36
PID 2480 wrote to memory of 2692	2480	mmooii.exe	36
PID 2824 wrote to memory of 2832	2824	cmd.exe	38
PID 2824 wrote to memory of 2832	2824	cmd.exe	38
PID 2824 wrote to memory of 2832	2824	cmd.exe	38
PID 2824 wrote to memory of 2832	2824	cmd.exe	38
PID 2112 wrote to memory of 2024	2112	cmd.exe	37
PID 2112 wrote to memory of 2024	2112	cmd.exe	37
PID 2112 wrote to memory of 2024	2112	cmd.exe	37
PID 2112 wrote to memory of 2024	2112	cmd.exe	37
PID 2692 wrote to memory of 2828	2692	update.exe	39
PID 2692 wrote to memory of 2828	2692	update.exe	39
PID 2692 wrote to memory of 2828	2692	update.exe	39
PID 2692 wrote to memory of 2828	2692	update.exe	39
PID 2692 wrote to memory of 2828	2692	update.exe	39
PID 2692 wrote to memory of 2828	2692	update.exe	39
PID 2692 wrote to memory of 2828	2692	update.exe	39
PID 2692 wrote to memory of 2836	2692	update.exe	40
PID 2692 wrote to memory of 2836	2692	update.exe	40
PID 2692 wrote to memory of 2836	2692	update.exe	40
PID 2692 wrote to memory of 2836	2692	update.exe	40
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41
PID 2692 wrote to memory of 2596	2692	update.exe	41

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2024	attrib.exe
2832	attrib.exe

C:\Users\Admin\AppData\Local\Temp\f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2485a3bb600b7af5dd1e812a2b3a595_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Local\Temp\mmooii.exe
  "C:\Users\Admin\AppData\Local\Temp\mmooii.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2480
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\mmooii.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2112
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\mmooii.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2024
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2824
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2832
- - C:\Users\Admin\Documents\Frame.net\hyhipœhdchjppsfhjk\frghjkkijfrdxcvvbb\Micro-soft\update.exe
    "C:\Users\Admin\Documents\Frame.net\hyhipœhdchjppsfhjk\frghjkkijfrdxcvvbb\Micro-soft\update.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2692
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      4⤵
      PID:2828
  - - C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      4⤵
      PID:2836
  - - C:\Windows\SysWOW64\notepad.exe
      notepad
      4⤵
      System Location Discovery: System Language Discovery
      PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\mmooii.exe

Filesize
725KB

MD5
0871d169ed6aaa170761c83529502cc1

SHA1
a6d751fa5fe8768e874a3997251dabfbfc5a1b81

SHA256
6d32c6fe39053f2deb530b77fc50778819485b08cf60297465a0570d0049d91b

SHA512
9dc8cc1c8a5c0f3722113f2817cecd6c4f8dacf9d4f1b7faf87fa975223d22c57db81395d9d7399d7ca377737acbc327bca5c5d1df4146b1c4c1754c13082a2d

Download Submit
memory/2448-0-0x0000000074561000-0x0000000074562000-memory.dmp

Filesize
4KB

Download
memory/2448-1-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2448-2-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2448-12-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2480-13-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2480-66-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2596-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2596-27-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/2692-68-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2692-74-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2692-69-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2692-70-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2692-71-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2692-72-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2692-73-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2692-67-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2692-75-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2692-76-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2692-77-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2692-78-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2692-79-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/2692-80-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads