darkcomet | 9cfd6e0302b2dc37c738a45e62fbc23f078455cfd02e22f2987c68fe565d7454

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
01/03/2025, 13:44

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General

Target

JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe
Size

728KB
MD5

395851a1dbc8315b3182919d6d8925e0
SHA1

849d388b6851b693a51e9584b5f9cb4be77ff745
SHA256

9cfd6e0302b2dc37c738a45e62fbc23f078455cfd02e22f2987c68fe565d7454
SHA512

89ebeb10afb298ffea1d8957cd861d4593292b36d2e127146579c3a8ac534d839a6db4c35b94b3ad44d8a1daad38e730611e04806e058ff53a3da0fbbae7a055
SSDEEP

12288:7iLERtSJj3culKz/LXzqCFeJ8eAQlfmO8hzrFsaCT6xwb2T99X//Mbt:71ij3cJzTXz/Ub8NYmxxTnX

Score

10^/10

darkcomet discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

rc4.plain

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
3000	firefox udate.exe
2384	firefox udate.exe

Loads dropped DLL 5 IoCs

pid	Process
2980	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe
2980	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe
2980	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe
2980	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe
2980	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\firefox udate.exe = "C:\\Users\\Admin\\AppData\\Roaming\\temp\\firefox udate.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2040 set thread context of 2980	2040	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	31
PID 3000 set thread context of 2384	3000	firefox udate.exe	36
PID 3000 set thread context of 1472	3000	firefox udate.exe	37

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2980-79-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2980-78-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2980-77-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2980-76-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2980-74-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2980-70-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2980-68-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2980-221-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2384-226-0x0000000000400000-0x000000000040B000-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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	firefox udate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	firefox udate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1472	svchost.exe
Token: SeSecurityPrivilege	1472	svchost.exe
Token: SeTakeOwnershipPrivilege	1472	svchost.exe
Token: SeLoadDriverPrivilege	1472	svchost.exe
Token: SeSystemProfilePrivilege	1472	svchost.exe
Token: SeSystemtimePrivilege	1472	svchost.exe
Token: SeProfSingleProcessPrivilege	1472	svchost.exe
Token: SeIncBasePriorityPrivilege	1472	svchost.exe
Token: SeCreatePagefilePrivilege	1472	svchost.exe
Token: SeBackupPrivilege	1472	svchost.exe
Token: SeRestorePrivilege	1472	svchost.exe
Token: SeShutdownPrivilege	1472	svchost.exe
Token: SeDebugPrivilege	1472	svchost.exe
Token: SeSystemEnvironmentPrivilege	1472	svchost.exe
Token: SeChangeNotifyPrivilege	1472	svchost.exe
Token: SeRemoteShutdownPrivilege	1472	svchost.exe
Token: SeUndockPrivilege	1472	svchost.exe
Token: SeManageVolumePrivilege	1472	svchost.exe
Token: SeImpersonatePrivilege	1472	svchost.exe
Token: SeCreateGlobalPrivilege	1472	svchost.exe
Token: 33	1472	svchost.exe
Token: 34	1472	svchost.exe
Token: 35	1472	svchost.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe
Token: SeDebugPrivilege	2384	firefox udate.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2040	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe
2980	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe
3000	firefox udate.exe
2384	firefox udate.exe
1472	svchost.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 2980	2040	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	31
PID 2040 wrote to memory of 2980	2040	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	31
PID 2040 wrote to memory of 2980	2040	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	31
PID 2040 wrote to memory of 2980	2040	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	31
PID 2040 wrote to memory of 2980	2040	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	31
PID 2040 wrote to memory of 2980	2040	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	31
PID 2040 wrote to memory of 2980	2040	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	31
PID 2040 wrote to memory of 2980	2040	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	31
PID 2980 wrote to memory of 1268	2980	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	32
PID 2980 wrote to memory of 1268	2980	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	32
PID 2980 wrote to memory of 1268	2980	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	32
PID 2980 wrote to memory of 1268	2980	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	32
PID 1268 wrote to memory of 1320	1268	cmd.exe	34
PID 1268 wrote to memory of 1320	1268	cmd.exe	34
PID 1268 wrote to memory of 1320	1268	cmd.exe	34
PID 1268 wrote to memory of 1320	1268	cmd.exe	34
PID 2980 wrote to memory of 3000	2980	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	35
PID 2980 wrote to memory of 3000	2980	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	35
PID 2980 wrote to memory of 3000	2980	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	35
PID 2980 wrote to memory of 3000	2980	JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe	35
PID 3000 wrote to memory of 2384	3000	firefox udate.exe	36
PID 3000 wrote to memory of 2384	3000	firefox udate.exe	36
PID 3000 wrote to memory of 2384	3000	firefox udate.exe	36
PID 3000 wrote to memory of 2384	3000	firefox udate.exe	36
PID 3000 wrote to memory of 2384	3000	firefox udate.exe	36
PID 3000 wrote to memory of 2384	3000	firefox udate.exe	36
PID 3000 wrote to memory of 2384	3000	firefox udate.exe	36
PID 3000 wrote to memory of 2384	3000	firefox udate.exe	36
PID 3000 wrote to memory of 1472	3000	firefox udate.exe	37
PID 3000 wrote to memory of 1472	3000	firefox udate.exe	37
PID 3000 wrote to memory of 1472	3000	firefox udate.exe	37
PID 3000 wrote to memory of 1472	3000	firefox udate.exe	37
PID 3000 wrote to memory of 1472	3000	firefox udate.exe	37
PID 3000 wrote to memory of 1472	3000	firefox udate.exe	37
PID 3000 wrote to memory of 1472	3000	firefox udate.exe	37
PID 3000 wrote to memory of 1472	3000	firefox udate.exe	37
PID 3000 wrote to memory of 1472	3000	firefox udate.exe	37
PID 3000 wrote to memory of 1472	3000	firefox udate.exe	37
PID 3000 wrote to memory of 1472	3000	firefox udate.exe	37
PID 3000 wrote to memory of 1472	3000	firefox udate.exe	37
PID 3000 wrote to memory of 1472	3000	firefox udate.exe	37

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_395851a1dbc8315b3182919d6d8925e0.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\OINKK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1268
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "firefox udate.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:1320
- - C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe
    "C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3000
  - - C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe
      "C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2384
  - - 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:1472

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

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Downloads

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

Filesize
157B

MD5
b03159f96ccac2ce831bdb56b8d4fa0f

SHA1
575391e3af00ffe0b31e5fafadb8b0d87609c94a

SHA256
c94041f2bd22f248f9bd175a089d9d8461af32add1fff5b8ce00816cce520d3c

SHA512
889199d3e641bfcc15b2be03781196736538e7407e03eaeba0393226efea09983be622858c8bbc6f17997358aa42cd71bb81c3b82387164a78205a553a899be4

Download Submit
C:\Users\Admin\AppData\Roaming\temp\firefox udate.exe

Filesize
728KB

MD5
ebdf021e9e2c546e025777d8b04e9669

SHA1
596ff072e768b2374e5a3af41af02ba4349eec47

SHA256
6cc89133f593ced1d9accf21f159fdc4b339527acdfb74080c4e5a5d44b36a02

SHA512
c49421e3a8fcfd891a5919685881f2aee0f65223e5fdf1fb7b541f3f971328a0a95251283382251d06e47fff998bef502ddd57ad413780d50d1a33ccfe9b7b8e

Download Submit
memory/1472-197-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1472-199-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1472-201-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1472-204-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1472-206-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2040-10-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2040-8-0x0000000002820000-0x00000000028D7000-memory.dmp

Filesize
732KB

Download
memory/2384-226-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-77-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-68-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-70-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2980-74-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-76-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-78-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-79-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-221-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2980-66-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3000-128-0x0000000002A30000-0x0000000002AE7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads