darkcomet | 6c445db3a555178391b3f09964b7d53bb5708ebadb762681b5dce0620795746d

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01/03/2025, 09:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe
Size

952KB
MD5

3837dcba807124b611190bf4bbcb2050
SHA1

6fef395738ae54ce4cdac5b2771c67f769c79fff
SHA256

6c445db3a555178391b3f09964b7d53bb5708ebadb762681b5dce0620795746d
SHA512

23152d743b7755da8a037b675227e29556dc116d23867d76e818aa034d0d377778e54c1b51ceed99be07f515c1d20728761aba948bbdd18c3c2587bff01f7fc9
SSDEEP

12288:byyy7Z3z4I8NXOGjwwG/ZjXsAHHz79p9NM5Tz103j2CF4TxQUOfhVPOSAE//VAci:baCI2OewFJN4mkxyHnnew1SatLRzD

Score

10^/10

darkcomet discovery persistence rat trojan upx

Malware Config

Signatures

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

Executes dropped EXE 3 IoCs

pid	Process
2996	micoffice.exe
1440	micoffice.exe
1084	micoffice.exe

Loads dropped DLL 7 IoCs

pid	Process
3020	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe
3020	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe
3020	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe
3020	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe
3020	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe
2996	micoffice.exe
2996	micoffice.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\msoffice = "C:\\Users\\Admin\\AppData\\Roaming\\MicrosoftOffice\\micoffice.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1804 set thread context of 3020	1804	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	30
PID 2996 set thread context of 1440	2996	micoffice.exe	35
PID 2996 set thread context of 1084	2996	micoffice.exe	36

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/3020-445-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1440-883-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3020-1038-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1440-1044-0x0000000000400000-0x000000000040B000-memory.dmp	upx

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 7 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	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	micoffice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	micoffice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	micoffice.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1084	micoffice.exe
Token: SeSecurityPrivilege	1084	micoffice.exe
Token: SeTakeOwnershipPrivilege	1084	micoffice.exe
Token: SeLoadDriverPrivilege	1084	micoffice.exe
Token: SeSystemProfilePrivilege	1084	micoffice.exe
Token: SeSystemtimePrivilege	1084	micoffice.exe
Token: SeProfSingleProcessPrivilege	1084	micoffice.exe
Token: SeIncBasePriorityPrivilege	1084	micoffice.exe
Token: SeCreatePagefilePrivilege	1084	micoffice.exe
Token: SeBackupPrivilege	1084	micoffice.exe
Token: SeRestorePrivilege	1084	micoffice.exe
Token: SeShutdownPrivilege	1084	micoffice.exe
Token: SeDebugPrivilege	1084	micoffice.exe
Token: SeSystemEnvironmentPrivilege	1084	micoffice.exe
Token: SeChangeNotifyPrivilege	1084	micoffice.exe
Token: SeRemoteShutdownPrivilege	1084	micoffice.exe
Token: SeUndockPrivilege	1084	micoffice.exe
Token: SeManageVolumePrivilege	1084	micoffice.exe
Token: SeImpersonatePrivilege	1084	micoffice.exe
Token: SeCreateGlobalPrivilege	1084	micoffice.exe
Token: 33	1084	micoffice.exe
Token: 34	1084	micoffice.exe
Token: 35	1084	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe
Token: SeDebugPrivilege	1440	micoffice.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1804	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe
3020	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe
2996	micoffice.exe
1440	micoffice.exe
1084	micoffice.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 3020	1804	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	30
PID 1804 wrote to memory of 3020	1804	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	30
PID 1804 wrote to memory of 3020	1804	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	30
PID 1804 wrote to memory of 3020	1804	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	30
PID 1804 wrote to memory of 3020	1804	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	30
PID 1804 wrote to memory of 3020	1804	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	30
PID 1804 wrote to memory of 3020	1804	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	30
PID 1804 wrote to memory of 3020	1804	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	30
PID 3020 wrote to memory of 2784	3020	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	31
PID 3020 wrote to memory of 2784	3020	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	31
PID 3020 wrote to memory of 2784	3020	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	31
PID 3020 wrote to memory of 2784	3020	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	31
PID 2784 wrote to memory of 1696	2784	cmd.exe	33
PID 2784 wrote to memory of 1696	2784	cmd.exe	33
PID 2784 wrote to memory of 1696	2784	cmd.exe	33
PID 2784 wrote to memory of 1696	2784	cmd.exe	33
PID 3020 wrote to memory of 2996	3020	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	34
PID 3020 wrote to memory of 2996	3020	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	34
PID 3020 wrote to memory of 2996	3020	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	34
PID 3020 wrote to memory of 2996	3020	JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe	34
PID 2996 wrote to memory of 1440	2996	micoffice.exe	35
PID 2996 wrote to memory of 1440	2996	micoffice.exe	35
PID 2996 wrote to memory of 1440	2996	micoffice.exe	35
PID 2996 wrote to memory of 1440	2996	micoffice.exe	35
PID 2996 wrote to memory of 1440	2996	micoffice.exe	35
PID 2996 wrote to memory of 1440	2996	micoffice.exe	35
PID 2996 wrote to memory of 1440	2996	micoffice.exe	35
PID 2996 wrote to memory of 1440	2996	micoffice.exe	35
PID 2996 wrote to memory of 1084	2996	micoffice.exe	36
PID 2996 wrote to memory of 1084	2996	micoffice.exe	36
PID 2996 wrote to memory of 1084	2996	micoffice.exe	36
PID 2996 wrote to memory of 1084	2996	micoffice.exe	36
PID 2996 wrote to memory of 1084	2996	micoffice.exe	36
PID 2996 wrote to memory of 1084	2996	micoffice.exe	36
PID 2996 wrote to memory of 1084	2996	micoffice.exe	36
PID 2996 wrote to memory of 1084	2996	micoffice.exe	36
PID 2996 wrote to memory of 1084	2996	micoffice.exe	36
PID 2996 wrote to memory of 1084	2996	micoffice.exe	36
PID 2996 wrote to memory of 1084	2996	micoffice.exe	36
PID 2996 wrote to memory of 1084	2996	micoffice.exe	36
PID 2996 wrote to memory of 1084	2996	micoffice.exe	36

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3837dcba807124b611190bf4bbcb2050.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3020
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\DULAK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2784
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "msoffice" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:1696
- - C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe
    "C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2996
  - - C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe
      "C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1440
  - - C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe
      "C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1084

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\DULAK.bat

Filesize
155B

MD5
f07b93136766adced3c6f0d74d869da0

SHA1
787c530f33687d758b41295e01d7a9a1bba3a467

SHA256
cd603067047c028fe12d4b099d13b3681dd698d25bc32474184e9d8edd3ed701

SHA512
050105a5f14939a37f653421b24959cc90cb082b20df5bb1a81335fd0ad5e70c740b43f1d6df0fc7324551425894668acc3af0c533c7d90ff149d84e844c2d10

Download Submit
\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe

Filesize
952KB

MD5
6fa4b38a5dcaae0d08985ef746fc8c17

SHA1
cf24341f03a9e8d3267888e463033d5cf65e7cbe

SHA256
ac43f0b16b799c0e18179fdf753a662340f137196b752fa5637fd52bfb6c5a8f

SHA512
9fd8ee7a699cbb343e0bf5dc49ca481f5698232eef298838c674fb5ef86cd61d7335910634d8b2e0cf8423e916f1f60bc279a934abe84742c526268220ddd2eb

Download Submit
memory/1440-1044-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1440-883-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1804-151-0x0000000001F60000-0x0000000001F61000-memory.dmp

Filesize
4KB

Download
memory/1804-127-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1804-26-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1804-24-0x0000000002C10000-0x0000000002C11000-memory.dmp

Filesize
4KB

Download
memory/1804-22-0x0000000002C10000-0x0000000002C11000-memory.dmp

Filesize
4KB

Download
memory/1804-20-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1804-18-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1804-14-0x0000000002E20000-0x0000000002E21000-memory.dmp

Filesize
4KB

Download
memory/1804-12-0x0000000002E20000-0x0000000002E21000-memory.dmp

Filesize
4KB

Download
memory/1804-8-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/1804-6-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/1804-4-0x00000000029D0000-0x00000000029D1000-memory.dmp

Filesize
4KB

Download
memory/1804-170-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1804-158-0x0000000002830000-0x0000000002831000-memory.dmp

Filesize
4KB

Download
memory/1804-2-0x00000000029D0000-0x00000000029D1000-memory.dmp

Filesize
4KB

Download
memory/1804-145-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1804-137-0x00000000031A0000-0x00000000031A1000-memory.dmp

Filesize
4KB

Download
memory/1804-30-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1804-122-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/1804-112-0x0000000002FC0000-0x0000000002FC1000-memory.dmp

Filesize
4KB

Download
memory/1804-104-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/1804-90-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/1804-80-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/1804-72-0x0000000002DE0000-0x0000000002DE1000-memory.dmp

Filesize
4KB

Download
memory/1804-62-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/1804-60-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1804-52-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1804-44-0x0000000002990000-0x0000000002991000-memory.dmp

Filesize
4KB

Download
memory/1804-28-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1804-32-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1804-34-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/1804-36-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/3020-1038-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3020-445-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads