darkcomet | 2a8dca5794c095ea67845468a3fd0a8e91a24bf3f0bb5e0ec6c16a6579cc4e90

Analysis

max time kernel
150s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 15:46

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General

Target

40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
Size

421KB
MD5

40b4d53e52d6ac2f37aa6540b9258b9d
SHA1

87415fc56d8d87ea631f5161f6584e3e3d338fd1
SHA256

2a8dca5794c095ea67845468a3fd0a8e91a24bf3f0bb5e0ec6c16a6579cc4e90
SHA512

05f5c90c3ea91d4e42accf91ff0a3367f1984bfdcaee43f9288d08f5a749e373161212c580096830231f570bba6220ab060b199a218ca6f90d30195600efa33f
SSDEEP

6144:m9kzClPoAZwmO1wiK8Om6laacRNNFSGpvK2wh1MQGVlC+MBQTnjlUWRlYwLnjECV:kkzClwT6a7tSGpv/wh1NaQ0jlUAtjJ

Score

10^/10

darkcomet work discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Work

microsoft-live.servegame.com:7

microsoft-live.servegame.com:777

Mutex

DC_MUTEX-2RAXGRK

Attributes

gencode
hdpDZykSFqu1
install
false
offline_keylogger
true
password
123@nine
persistence
false

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
2832	diager.exe
2564	vfnws.exe

Loads dropped DLL 4 IoCs

pid	Process
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2832	diager.exe
2832	diager.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\diager.exe"	diager.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 2812	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	30
PID 2564 set thread context of 2628	2564	vfnws.exe	33

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2812-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2812-9-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2812-15-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2812-14-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2812-10-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2812-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2812-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2812-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2812-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2812-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2812-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-47-0x0000000000400000-0x00000000004B7000-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 5 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	vfnws.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	diager.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2832	diager.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2564	vfnws.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2832	diager.exe
2564	vfnws.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2832	diager.exe
2564	vfnws.exe
2832	diager.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2564	vfnws.exe
2832	diager.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2564	vfnws.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2832	diager.exe
2564	vfnws.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2832	diager.exe
2564	vfnws.exe
2832	diager.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2564	vfnws.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2832	diager.exe
2564	vfnws.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2832	diager.exe
2564	vfnws.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2832	diager.exe
2564	vfnws.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2832	diager.exe
2564	vfnws.exe
2832	diager.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2564	vfnws.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2832	diager.exe
2564	vfnws.exe
2832	diager.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2564	vfnws.exe
2832	diager.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2564	vfnws.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2832	diager.exe
2564	vfnws.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2832	diager.exe
2564	vfnws.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2832	diager.exe
2564	vfnws.exe
2832	diager.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
2564	vfnws.exe
2832	diager.exe
2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2812	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
Token: SeDebugPrivilege	2832	diager.exe
Token: SeIncreaseQuotaPrivilege	2812	AppLaunch.exe
Token: SeSecurityPrivilege	2812	AppLaunch.exe
Token: SeTakeOwnershipPrivilege	2812	AppLaunch.exe
Token: SeLoadDriverPrivilege	2812	AppLaunch.exe
Token: SeSystemProfilePrivilege	2812	AppLaunch.exe
Token: SeSystemtimePrivilege	2812	AppLaunch.exe
Token: SeProfSingleProcessPrivilege	2812	AppLaunch.exe
Token: SeIncBasePriorityPrivilege	2812	AppLaunch.exe
Token: SeCreatePagefilePrivilege	2812	AppLaunch.exe
Token: SeBackupPrivilege	2812	AppLaunch.exe
Token: SeRestorePrivilege	2812	AppLaunch.exe
Token: SeShutdownPrivilege	2812	AppLaunch.exe
Token: SeDebugPrivilege	2812	AppLaunch.exe
Token: SeSystemEnvironmentPrivilege	2812	AppLaunch.exe
Token: SeChangeNotifyPrivilege	2812	AppLaunch.exe
Token: SeRemoteShutdownPrivilege	2812	AppLaunch.exe
Token: SeUndockPrivilege	2812	AppLaunch.exe
Token: SeManageVolumePrivilege	2812	AppLaunch.exe
Token: SeImpersonatePrivilege	2812	AppLaunch.exe
Token: SeCreateGlobalPrivilege	2812	AppLaunch.exe
Token: 33	2812	AppLaunch.exe
Token: 34	2812	AppLaunch.exe
Token: 35	2812	AppLaunch.exe
Token: SeDebugPrivilege	2564	vfnws.exe
Token: SeIncreaseQuotaPrivilege	2628	AppLaunch.exe
Token: SeSecurityPrivilege	2628	AppLaunch.exe
Token: SeTakeOwnershipPrivilege	2628	AppLaunch.exe
Token: SeLoadDriverPrivilege	2628	AppLaunch.exe
Token: SeSystemProfilePrivilege	2628	AppLaunch.exe
Token: SeSystemtimePrivilege	2628	AppLaunch.exe
Token: SeProfSingleProcessPrivilege	2628	AppLaunch.exe
Token: SeIncBasePriorityPrivilege	2628	AppLaunch.exe
Token: SeCreatePagefilePrivilege	2628	AppLaunch.exe
Token: SeBackupPrivilege	2628	AppLaunch.exe
Token: SeRestorePrivilege	2628	AppLaunch.exe
Token: SeShutdownPrivilege	2628	AppLaunch.exe
Token: SeDebugPrivilege	2628	AppLaunch.exe
Token: SeSystemEnvironmentPrivilege	2628	AppLaunch.exe
Token: SeChangeNotifyPrivilege	2628	AppLaunch.exe
Token: SeRemoteShutdownPrivilege	2628	AppLaunch.exe
Token: SeUndockPrivilege	2628	AppLaunch.exe
Token: SeManageVolumePrivilege	2628	AppLaunch.exe
Token: SeImpersonatePrivilege	2628	AppLaunch.exe
Token: SeCreateGlobalPrivilege	2628	AppLaunch.exe
Token: 33	2628	AppLaunch.exe
Token: 34	2628	AppLaunch.exe
Token: 35	2628	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2812	AppLaunch.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2812	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2832	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2832	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2832	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	31
PID 2232 wrote to memory of 2832	2232	40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe	31
PID 2832 wrote to memory of 2564	2832	diager.exe	32
PID 2832 wrote to memory of 2564	2832	diager.exe	32
PID 2832 wrote to memory of 2564	2832	diager.exe	32
PID 2832 wrote to memory of 2564	2832	diager.exe	32
PID 2564 wrote to memory of 2628	2564	vfnws.exe	33
PID 2564 wrote to memory of 2628	2564	vfnws.exe	33
PID 2564 wrote to memory of 2628	2564	vfnws.exe	33
PID 2564 wrote to memory of 2628	2564	vfnws.exe	33
PID 2564 wrote to memory of 2628	2564	vfnws.exe	33
PID 2564 wrote to memory of 2628	2564	vfnws.exe	33
PID 2564 wrote to memory of 2628	2564	vfnws.exe	33
PID 2564 wrote to memory of 2628	2564	vfnws.exe	33
PID 2564 wrote to memory of 2628	2564	vfnws.exe	33
PID 2564 wrote to memory of 2628	2564	vfnws.exe	33
PID 2564 wrote to memory of 2628	2564	vfnws.exe	33

C:\Users\Admin\AppData\Local\Temp\40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\40b4d53e52d6ac2f37aa6540b9258b9d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2812
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\diager.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\diager.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2832
- - C:\Users\Admin\AppData\Local\Temp\vfnws.exe
    "C:\Users\Admin\AppData\Local\Temp\vfnws.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2564
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:2628

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\Roaming\Microsoft\Windows\Templates\diager.exe

Filesize
10KB

MD5
ef4e862d27e079fbbd99c60dd0880447

SHA1
dd87d70bb10098110c20a128952596b5e91272f3

SHA256
b42ec18f36f7b06ba7348d7de3fa5c92613073ec3aa5a76fd8a3fe01d964a9df

SHA512
0d0a2656dc4172bbebcc58f8c3c61bc7a7920cb7c155f45fc1dc783d345391cad0ab4282d05d56687737cc13d8298253a4552f76346b247f377cf02af8c857d8

Download Submit
\Users\Admin\AppData\Local\Temp\vfnws.exe

Filesize
421KB

MD5
40b4d53e52d6ac2f37aa6540b9258b9d

SHA1
87415fc56d8d87ea631f5161f6584e3e3d338fd1

SHA256
2a8dca5794c095ea67845468a3fd0a8e91a24bf3f0bb5e0ec6c16a6579cc4e90

SHA512
05f5c90c3ea91d4e42accf91ff0a3367f1984bfdcaee43f9288d08f5a749e373161212c580096830231f570bba6220ab060b199a218ca6f90d30195600efa33f

Download Submit
memory/2232-1-0x0000000074F50000-0x00000000754FB000-memory.dmp

Filesize
5.7MB

Download
memory/2232-2-0x0000000074F50000-0x00000000754FB000-memory.dmp

Filesize
5.7MB

Download
memory/2232-49-0x0000000074F50000-0x00000000754FB000-memory.dmp

Filesize
5.7MB

Download
memory/2232-0-0x0000000074F51000-0x0000000074F52000-memory.dmp

Filesize
4KB

Download
memory/2628-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2812-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2812-10-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2812-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2812-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2812-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2812-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2812-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2812-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2812-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2812-8-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2812-14-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2812-9-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2812-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download