darkcomet | 245500ee74fd9b8b021c38be617d72261d02a6d3fb8f9402fa0a10d5a1f41f93

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2024 21:10

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General

Target

a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe
Size

496KB
MD5

a42208c4a96c249f3d6fe39f43144f36
SHA1

ff90b696d74d75932e122c774a95fc4671a41d86
SHA256

245500ee74fd9b8b021c38be617d72261d02a6d3fb8f9402fa0a10d5a1f41f93
SHA512

ce1977713291c941b47a1435f55db11e18a882a2c452b1a57bc115db68206d13c7b67fd780ddd728fda20a8fa5b329218700ec6c09188f3e8b9d1e0471fa0869
SSDEEP

12288:tFz2y90KU7E7B8aNHaqGQnZrCIn3dTTXV2hl:tt2yZU7E7SaXGQnZuInN/XVe

Score

10^/10

darkcomet server-ax discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Server-AX

69.65.7.136:8808

Mutex

Fdgrh5uy5ynmnm

Attributes

gencode
LE9RG3w4nFUG
install
false
offline_keylogger
true
password
@closer1989
persistence
false

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe

Executes dropped EXE 3 IoCs

Processes:

a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exeGoogleUpdate.exeGoogleUpdate.exe

pid	Process
4196	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe
4104	GoogleUpdate.exe
1636	GoogleUpdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GoogleUpdate.exe = "C:\\Program Files (x86)\\Google\\GoogleUpdate.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exeGoogleUpdate.exe

description	pid	Process	procid_target
PID 4564 set thread context of 4196	4564	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe	83
PID 4104 set thread context of 1636	4104	GoogleUpdate.exe	91
PID 4104 set thread context of 3124	4104	GoogleUpdate.exe	92

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4196-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4196-16-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4196-18-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3124-49-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral2/memory/3124-51-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral2/memory/4196-52-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3124-54-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral2/memory/3124-55-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral2/memory/3124-56-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral2/memory/1636-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

Processes:

GoogleUpdate.exea42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Google\GoogleUpdate.exe	GoogleUpdate.exe
File created	C:\Program Files (x86)\Google\GoogleUpdate.exe	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Google\GoogleUpdate.exe	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.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 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

Processes:

cmd.exereg.exeGoogleUpdate.exeGoogleUpdate.exesvchost.exea42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exea42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe

description	ioc	Process
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	GoogleUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GoogleUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

svchost.exeGoogleUpdate.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3124	svchost.exe
Token: SeSecurityPrivilege	3124	svchost.exe
Token: SeTakeOwnershipPrivilege	3124	svchost.exe
Token: SeLoadDriverPrivilege	3124	svchost.exe
Token: SeSystemProfilePrivilege	3124	svchost.exe
Token: SeSystemtimePrivilege	3124	svchost.exe
Token: SeProfSingleProcessPrivilege	3124	svchost.exe
Token: SeIncBasePriorityPrivilege	3124	svchost.exe
Token: SeCreatePagefilePrivilege	3124	svchost.exe
Token: SeBackupPrivilege	3124	svchost.exe
Token: SeRestorePrivilege	3124	svchost.exe
Token: SeShutdownPrivilege	3124	svchost.exe
Token: SeDebugPrivilege	3124	svchost.exe
Token: SeSystemEnvironmentPrivilege	3124	svchost.exe
Token: SeChangeNotifyPrivilege	3124	svchost.exe
Token: SeRemoteShutdownPrivilege	3124	svchost.exe
Token: SeUndockPrivilege	3124	svchost.exe
Token: SeManageVolumePrivilege	3124	svchost.exe
Token: SeImpersonatePrivilege	3124	svchost.exe
Token: SeCreateGlobalPrivilege	3124	svchost.exe
Token: 33	3124	svchost.exe
Token: 34	3124	svchost.exe
Token: 35	3124	svchost.exe
Token: 36	3124	svchost.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe
Token: SeDebugPrivilege	1636	GoogleUpdate.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exea42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exeGoogleUpdate.exeGoogleUpdate.exesvchost.exe

pid	Process
4564	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe
4196	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe
4104	GoogleUpdate.exe
4104	GoogleUpdate.exe
1636	GoogleUpdate.exe
1636	GoogleUpdate.exe
3124	svchost.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exea42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.execmd.exeGoogleUpdate.exe

description	pid	Process	procid_target
PID 4564 wrote to memory of 4196	4564	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe	83
PID 4564 wrote to memory of 4196	4564	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe	83
PID 4564 wrote to memory of 4196	4564	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe	83
PID 4564 wrote to memory of 4196	4564	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe	83
PID 4564 wrote to memory of 4196	4564	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe	83
PID 4564 wrote to memory of 4196	4564	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe	83
PID 4564 wrote to memory of 4196	4564	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe	83
PID 4564 wrote to memory of 4196	4564	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe	83
PID 4196 wrote to memory of 2808	4196	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe	84
PID 4196 wrote to memory of 2808	4196	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe	84
PID 4196 wrote to memory of 2808	4196	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe	84
PID 2808 wrote to memory of 4780	2808	cmd.exe	87
PID 2808 wrote to memory of 4780	2808	cmd.exe	87
PID 2808 wrote to memory of 4780	2808	cmd.exe	87
PID 4196 wrote to memory of 4104	4196	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe	88
PID 4196 wrote to memory of 4104	4196	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe	88
PID 4196 wrote to memory of 4104	4196	a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe	88
PID 4104 wrote to memory of 1636	4104	GoogleUpdate.exe	91
PID 4104 wrote to memory of 1636	4104	GoogleUpdate.exe	91
PID 4104 wrote to memory of 1636	4104	GoogleUpdate.exe	91
PID 4104 wrote to memory of 1636	4104	GoogleUpdate.exe	91
PID 4104 wrote to memory of 1636	4104	GoogleUpdate.exe	91
PID 4104 wrote to memory of 1636	4104	GoogleUpdate.exe	91
PID 4104 wrote to memory of 1636	4104	GoogleUpdate.exe	91
PID 4104 wrote to memory of 1636	4104	GoogleUpdate.exe	91
PID 4104 wrote to memory of 3124	4104	GoogleUpdate.exe	92
PID 4104 wrote to memory of 3124	4104	GoogleUpdate.exe	92
PID 4104 wrote to memory of 3124	4104	GoogleUpdate.exe	92
PID 4104 wrote to memory of 3124	4104	GoogleUpdate.exe	92
PID 4104 wrote to memory of 3124	4104	GoogleUpdate.exe	92
PID 4104 wrote to memory of 3124	4104	GoogleUpdate.exe	92
PID 4104 wrote to memory of 3124	4104	GoogleUpdate.exe	92
PID 4104 wrote to memory of 3124	4104	GoogleUpdate.exe	92

C:\Users\Admin\AppData\Local\Temp\a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4564
- C:\Users\Admin\AppData\Local\Temp\a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4196
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PLLXU.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2808
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "GoogleUpdate.exe" /t REG_SZ /d "C:\Program Files (x86)\Google\GoogleUpdate.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:4780
- - C:\Program Files (x86)\Google\GoogleUpdate.exe
    "C:\Program Files (x86)\Google\GoogleUpdate.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4104
  - - C:\Program Files (x86)\Google\GoogleUpdate.exe
      "C:\Program Files (x86)\Google\GoogleUpdate.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1636
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:3124

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Google\GoogleUpdate.exe

Filesize
496KB

MD5
ef68597d48f2f17ce6eabcabba615015

SHA1
9790c4762de36c8afa3c5f7fbab72d60a2193697

SHA256
424655b6dc73925958a0fdef1d6369afc989a5ab1f6f7ae48f44de78d2d28619

SHA512
006926e14af4adce0a478e1175cdde231b4cef3c1199234c887c2e12f0840b621e92d7581a99235e4b130f9fbff64365e8b26a5720c8b5584673d3e15952ad8c

Download Submit
C:\Users\Admin\AppData\Local\Temp\PLLXU.txt

Filesize
149B

MD5
230d0de063ef5fac6ddf78a06a6b4a07

SHA1
8bcba04b39b99467b2d96be25f0bbafb7e84c37f

SHA256
fe8f149d184c56d038989c811077379d51f567d68fa7e709c32228b3e68fdd7d

SHA512
057010085b093d008294df1572c82accc4118f404d0fac0a945a0966df0ffd9af33ad162821472e2842a457006551add99185fe5cb772dce61349aa11552f1d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\a42208c4a96c249f3d6fe39f43144f36_JaffaCakes118.exe

Filesize
496KB

MD5
a42208c4a96c249f3d6fe39f43144f36

SHA1
ff90b696d74d75932e122c774a95fc4671a41d86

SHA256
245500ee74fd9b8b021c38be617d72261d02a6d3fb8f9402fa0a10d5a1f41f93

SHA512
ce1977713291c941b47a1435f55db11e18a882a2c452b1a57bc115db68206d13c7b67fd780ddd728fda20a8fa5b329218700ec6c09188f3e8b9d1e0471fa0869

Download Submit
memory/1636-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3124-56-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/3124-55-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/3124-54-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/3124-51-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/3124-49-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/4196-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4196-52-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4196-18-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4196-16-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4564-2-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4564-8-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/4564-9-0x0000000002190000-0x0000000002191000-memory.dmp

Filesize
4KB

Download
memory/4564-10-0x00000000021A0000-0x00000000021A1000-memory.dmp

Filesize
4KB

Download
memory/4564-11-0x00000000021B0000-0x00000000021B1000-memory.dmp

Filesize
4KB

Download
memory/4564-5-0x0000000002A40000-0x0000000002A41000-memory.dmp

Filesize
4KB

Download
memory/4564-12-0x0000000002AC0000-0x0000000002AC1000-memory.dmp

Filesize
4KB

Download
memory/4564-7-0x0000000002A70000-0x0000000002A71000-memory.dmp

Filesize
4KB

Download
memory/4564-6-0x0000000002A60000-0x0000000002A61000-memory.dmp

Filesize
4KB

Download
memory/4564-3-0x0000000002190000-0x0000000002191000-memory.dmp

Filesize
4KB

Download
memory/4564-4-0x00000000021A0000-0x00000000021A1000-memory.dmp

Filesize
4KB

Download