darkcomet | 391aed016c527384602911259ebaec7019d7f1ab8f262b24a0b30f3b1b5e0fab

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, 08:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe
Size

952KB
MD5

37e53a839ded75413770cbc249d483a0
SHA1

15b5e21902eb5bfcfd6ea3e6045ace55a656b849
SHA256

391aed016c527384602911259ebaec7019d7f1ab8f262b24a0b30f3b1b5e0fab
SHA512

f7f4865ac0b0b6508ee8b283b66b00575dd4049d9b8346129b734cab6e2d1a27e790ee8675355493e3d6cb75af26c44e034f3304e15351c0047b71bcb729986a
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
3468	micoffice.exe
1508	micoffice.exe
3228	micoffice.exe

Loads dropped DLL 7 IoCs

pid	Process
3220	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe
3220	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe
3220	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe
3220	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe
3220	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe
3468	micoffice.exe
3468	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-1-5-21-3063565911-2056067323-3330884624-1000\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 2228 set thread context of 3220	2228	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	30
PID 3468 set thread context of 1508	3468	micoffice.exe	35
PID 3468 set thread context of 3228	3468	micoffice.exe	36

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3220-446-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3220-439-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3220-432-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3220-430-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3220-1038-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1508-1034-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1508-1046-0x0000000000400000-0x000000000040B000-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_37e53a839ded75413770cbc249d483a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_37e53a839ded75413770cbc249d483a0.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	3228	micoffice.exe
Token: SeSecurityPrivilege	3228	micoffice.exe
Token: SeTakeOwnershipPrivilege	3228	micoffice.exe
Token: SeLoadDriverPrivilege	3228	micoffice.exe
Token: SeSystemProfilePrivilege	3228	micoffice.exe
Token: SeSystemtimePrivilege	3228	micoffice.exe
Token: SeProfSingleProcessPrivilege	3228	micoffice.exe
Token: SeIncBasePriorityPrivilege	3228	micoffice.exe
Token: SeCreatePagefilePrivilege	3228	micoffice.exe
Token: SeBackupPrivilege	3228	micoffice.exe
Token: SeRestorePrivilege	3228	micoffice.exe
Token: SeShutdownPrivilege	3228	micoffice.exe
Token: SeDebugPrivilege	3228	micoffice.exe
Token: SeSystemEnvironmentPrivilege	3228	micoffice.exe
Token: SeChangeNotifyPrivilege	3228	micoffice.exe
Token: SeRemoteShutdownPrivilege	3228	micoffice.exe
Token: SeUndockPrivilege	3228	micoffice.exe
Token: SeManageVolumePrivilege	3228	micoffice.exe
Token: SeImpersonatePrivilege	3228	micoffice.exe
Token: SeCreateGlobalPrivilege	3228	micoffice.exe
Token: 33	3228	micoffice.exe
Token: 34	3228	micoffice.exe
Token: 35	3228	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe
Token: SeDebugPrivilege	1508	micoffice.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2228	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe
3220	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe
3468	micoffice.exe
1508	micoffice.exe
3228	micoffice.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 3220	2228	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	30
PID 2228 wrote to memory of 3220	2228	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	30
PID 2228 wrote to memory of 3220	2228	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	30
PID 2228 wrote to memory of 3220	2228	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	30
PID 2228 wrote to memory of 3220	2228	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	30
PID 2228 wrote to memory of 3220	2228	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	30
PID 2228 wrote to memory of 3220	2228	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	30
PID 2228 wrote to memory of 3220	2228	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	30
PID 3220 wrote to memory of 3392	3220	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	31
PID 3220 wrote to memory of 3392	3220	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	31
PID 3220 wrote to memory of 3392	3220	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	31
PID 3220 wrote to memory of 3392	3220	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	31
PID 3392 wrote to memory of 3444	3392	cmd.exe	33
PID 3392 wrote to memory of 3444	3392	cmd.exe	33
PID 3392 wrote to memory of 3444	3392	cmd.exe	33
PID 3392 wrote to memory of 3444	3392	cmd.exe	33
PID 3220 wrote to memory of 3468	3220	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	34
PID 3220 wrote to memory of 3468	3220	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	34
PID 3220 wrote to memory of 3468	3220	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	34
PID 3220 wrote to memory of 3468	3220	JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe	34
PID 3468 wrote to memory of 1508	3468	micoffice.exe	35
PID 3468 wrote to memory of 1508	3468	micoffice.exe	35
PID 3468 wrote to memory of 1508	3468	micoffice.exe	35
PID 3468 wrote to memory of 1508	3468	micoffice.exe	35
PID 3468 wrote to memory of 1508	3468	micoffice.exe	35
PID 3468 wrote to memory of 1508	3468	micoffice.exe	35
PID 3468 wrote to memory of 1508	3468	micoffice.exe	35
PID 3468 wrote to memory of 1508	3468	micoffice.exe	35
PID 3468 wrote to memory of 3228	3468	micoffice.exe	36
PID 3468 wrote to memory of 3228	3468	micoffice.exe	36
PID 3468 wrote to memory of 3228	3468	micoffice.exe	36
PID 3468 wrote to memory of 3228	3468	micoffice.exe	36
PID 3468 wrote to memory of 3228	3468	micoffice.exe	36
PID 3468 wrote to memory of 3228	3468	micoffice.exe	36
PID 3468 wrote to memory of 3228	3468	micoffice.exe	36
PID 3468 wrote to memory of 3228	3468	micoffice.exe	36
PID 3468 wrote to memory of 3228	3468	micoffice.exe	36
PID 3468 wrote to memory of 3228	3468	micoffice.exe	36
PID 3468 wrote to memory of 3228	3468	micoffice.exe	36
PID 3468 wrote to memory of 3228	3468	micoffice.exe	36
PID 3468 wrote to memory of 3228	3468	micoffice.exe	36

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37e53a839ded75413770cbc249d483a0.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3220
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\GCXBP.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3392
  - - 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:3444
- - 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:3468
  - - 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:1508
  - - 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:3228

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\GCXBP.bat

Filesize
155B

MD5
f07b93136766adced3c6f0d74d869da0

SHA1
787c530f33687d758b41295e01d7a9a1bba3a467

SHA256
cd603067047c028fe12d4b099d13b3681dd698d25bc32474184e9d8edd3ed701

SHA512
050105a5f14939a37f653421b24959cc90cb082b20df5bb1a81335fd0ad5e70c740b43f1d6df0fc7324551425894668acc3af0c533c7d90ff149d84e844c2d10

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

Filesize
952KB

MD5
ee9250dd78af7d7407f39999e9a39e35

SHA1
ac6919a1e8f4d88ad494eae4a6d152086528f264

SHA256
c9837ba9de26df05243fff17a2e3e433152748c3f30a1443274daf22d384fea8

SHA512
bf9bdc3f6569d60bb74af0811d01c7b173ef05b62e7b4842c4fe08263cfba35e3eb5acefa26cd8c2dee78154d49398e1b1b4a656d3744606f929899d331895e7

Download Submit
memory/1508-1046-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1508-1034-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2228-440-0x00000000027A0000-0x00000000027A1000-memory.dmp

Filesize
4KB

Download
memory/2228-437-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/2228-18-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2228-24-0x0000000002A70000-0x0000000002A71000-memory.dmp

Filesize
4KB

Download
memory/2228-22-0x0000000002A70000-0x0000000002A71000-memory.dmp

Filesize
4KB

Download
memory/2228-436-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2228-26-0x0000000002BB0000-0x0000000002BB1000-memory.dmp

Filesize
4KB

Download
memory/2228-28-0x0000000002BB0000-0x0000000002BB1000-memory.dmp

Filesize
4KB

Download
memory/2228-32-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2228-30-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2228-34-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/2228-36-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/2228-72-0x0000000002BA0000-0x0000000002BA1000-memory.dmp

Filesize
4KB

Download
memory/2228-62-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/2228-80-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

Filesize
4KB

Download
memory/2228-52-0x0000000002D20000-0x0000000002D21000-memory.dmp

Filesize
4KB

Download
memory/2228-4-0x0000000002820000-0x0000000002821000-memory.dmp

Filesize
4KB

Download
memory/2228-2-0x0000000002820000-0x0000000002821000-memory.dmp

Filesize
4KB

Download
memory/2228-12-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/2228-8-0x0000000002900000-0x0000000002901000-memory.dmp

Filesize
4KB

Download
memory/2228-20-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2228-112-0x00000000031F0000-0x00000000031F1000-memory.dmp

Filesize
4KB

Download
memory/2228-104-0x0000000003050000-0x0000000003051000-memory.dmp

Filesize
4KB

Download
memory/2228-90-0x0000000002B80000-0x0000000002B81000-memory.dmp

Filesize
4KB

Download
memory/2228-435-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2228-434-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2228-6-0x0000000002900000-0x0000000002901000-memory.dmp

Filesize
4KB

Download
memory/2228-14-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/2228-44-0x0000000002D30000-0x0000000002D31000-memory.dmp

Filesize
4KB

Download
memory/2228-60-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/3220-438-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3220-428-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3220-430-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3220-432-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3220-1038-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3220-439-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3220-446-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads