darkcomet | 8769b01f01ea8136727f130de5056ac4eacbc95d129b72c2b9bc5dd1351d1292

Analysis

max time kernel
150s
max time network
128s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 10:05

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General

Target

0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe
Size

1.9MB
MD5

0da96f38b93ee8ca2b3cde7ba2b7f0ea
SHA1

3548c4fff163f09ad84755c182464a85f83c5f8a
SHA256

8769b01f01ea8136727f130de5056ac4eacbc95d129b72c2b9bc5dd1351d1292
SHA512

f68315cd1aaa8f8da19a7f6f70d43870d5df2a55c7d840e02da9eb5598c20437c4ab30f7fe756f01306f51a390a160e3d08a7008217f5abc6d15e86a1eca7a0b
SSDEEP

24576:cRhRnEyesIa0J7zaflk1VpxZ5jCDz8VzvLaqe0DrwP:4ZSokZc2WL

Score

10^/10

darkcomet persistence rat trojan

Malware Config

Signatures

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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	svhost.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\winamp.exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\winamp.exe	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2656	svhost.exe

Loads dropped DLL 2 IoCs

pid	Process
2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe
2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\winamp = "C:\\Users\\Admin\\AppData\\Roaming\\rundll32-.exe"	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Roaming\\rundll32-.exe"	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2440 set thread context of 2656	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	svhost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	svhost.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	svhost.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe
2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe
2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe
2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe
2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe
2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe
2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe
2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe
2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2656	svhost.exe
Token: SeSecurityPrivilege	2656	svhost.exe
Token: SeTakeOwnershipPrivilege	2656	svhost.exe
Token: SeLoadDriverPrivilege	2656	svhost.exe
Token: SeSystemProfilePrivilege	2656	svhost.exe
Token: SeSystemtimePrivilege	2656	svhost.exe
Token: SeProfSingleProcessPrivilege	2656	svhost.exe
Token: SeIncBasePriorityPrivilege	2656	svhost.exe
Token: SeCreatePagefilePrivilege	2656	svhost.exe
Token: SeBackupPrivilege	2656	svhost.exe
Token: SeRestorePrivilege	2656	svhost.exe
Token: SeShutdownPrivilege	2656	svhost.exe
Token: SeDebugPrivilege	2656	svhost.exe
Token: SeSystemEnvironmentPrivilege	2656	svhost.exe
Token: SeChangeNotifyPrivilege	2656	svhost.exe
Token: SeRemoteShutdownPrivilege	2656	svhost.exe
Token: SeUndockPrivilege	2656	svhost.exe
Token: SeManageVolumePrivilege	2656	svhost.exe
Token: SeImpersonatePrivilege	2656	svhost.exe
Token: SeCreateGlobalPrivilege	2656	svhost.exe
Token: 33	2656	svhost.exe
Token: 34	2656	svhost.exe
Token: 35	2656	svhost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2656	svhost.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 1384	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	28
PID 2440 wrote to memory of 1384	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	28
PID 2440 wrote to memory of 1384	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	28
PID 2440 wrote to memory of 1384	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	28
PID 2440 wrote to memory of 2752	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2752	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2752	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2752	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	30
PID 2440 wrote to memory of 2656	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2656	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2656	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2656	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2656	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2656	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2656	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2656	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2656	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2656	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2656	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2656	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	31
PID 2440 wrote to memory of 2656	2440	0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0da96f38b93ee8ca2b3cde7ba2b7f0ea_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\\java.bat
  2⤵
  - Drops startup file
  PID:1384
- C:\Users\Admin\AppData\Local\Temp\winamp\svhost.exe
  C:\Users\Admin\AppData\Local\Temp\\winamp\svhost.exe
  2⤵
  PID:2752
- C:\Users\Admin\AppData\Local\Temp\winamp\svhost.exe
  C:\Users\Admin\AppData\Local\Temp\\winamp\svhost.exe
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2656

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
221B

MD5
f2f526bc87165c2dfdfd047ded4bfe30

SHA1
757834ff354568cf8b72c89b59a8e1174a98e4e4

SHA256
df0c021e2e0cb0fe28ed8f78b46e36d2587a65bc9001a19330e88f5582ae90cd

SHA512
3c137e6e436c3b8c41dfba9eb8b07b69cdea97c0776c5bf02e15eb5120c8886218e90951d1f360f50f730a6fd011bed4fbc4768d11b23a035d2c49f1f2cc29d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\rundll32-.exe

Filesize
1.9MB

MD5
0da96f38b93ee8ca2b3cde7ba2b7f0ea

SHA1
3548c4fff163f09ad84755c182464a85f83c5f8a

SHA256
8769b01f01ea8136727f130de5056ac4eacbc95d129b72c2b9bc5dd1351d1292

SHA512
f68315cd1aaa8f8da19a7f6f70d43870d5df2a55c7d840e02da9eb5598c20437c4ab30f7fe756f01306f51a390a160e3d08a7008217f5abc6d15e86a1eca7a0b

Download Submit
\Users\Admin\AppData\Local\Temp\winamp\svhost.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2440-0-0x00000000748C1000-0x00000000748C2000-memory.dmp

Filesize
4KB

Download
memory/2440-1-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2440-2-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2440-54-0x00000000748C0000-0x0000000074E6B000-memory.dmp

Filesize
5.7MB

Download
memory/2656-49-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-29-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-43-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-41-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-40-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-39-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-38-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-35-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-34-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-31-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-30-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-48-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-47-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-45-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-52-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-51-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-50-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-46-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-55-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-56-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-57-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-58-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-59-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-60-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-61-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-62-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-63-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-64-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-65-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-66-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-67-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-68-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2656-69-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download