darkcomet | 593c221dae784ec58e2fe876bff9c1de8fcce00b2f74c323212a2ba06db80dff

General

Target

JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe
Size

608KB
MD5

04eefd454ba9b64349e84594a0a87c05
SHA1

68ea164e7437270c1f9bf3397a69277de55ea70e
SHA256

593c221dae784ec58e2fe876bff9c1de8fcce00b2f74c323212a2ba06db80dff
SHA512

f89e6cd7e6f89c5e97ba23705bc4bd0d54a2da4f6c506e103518dbf1efd3db9097ca6dec9c971c3b60b4b82aa34fd0f3fa68b13807938e2620956576966a1dfc
SSDEEP

12288:I+yAivfq/sUmqIF5ivLtcso6ILVd8WyYtmfRTZ:5e3qUUU4tQ6WyVYCTZ

Score

10^/10

darkcomet discovery rat trojan

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 1 IoCs

pid	Process
4832	svchost.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2140 set thread context of 4832	2140	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe	83

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe
File opened for modification	C:\Windows\assembly	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe
File created	C:\Windows\assembly\Desktop.ini	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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_04eefd454ba9b64349e84594a0a87c05.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4832	svchost.exe
Token: SeSecurityPrivilege	4832	svchost.exe
Token: SeTakeOwnershipPrivilege	4832	svchost.exe
Token: SeLoadDriverPrivilege	4832	svchost.exe
Token: SeSystemProfilePrivilege	4832	svchost.exe
Token: SeSystemtimePrivilege	4832	svchost.exe
Token: SeProfSingleProcessPrivilege	4832	svchost.exe
Token: SeIncBasePriorityPrivilege	4832	svchost.exe
Token: SeCreatePagefilePrivilege	4832	svchost.exe
Token: SeBackupPrivilege	4832	svchost.exe
Token: SeRestorePrivilege	4832	svchost.exe
Token: SeShutdownPrivilege	4832	svchost.exe
Token: SeDebugPrivilege	4832	svchost.exe
Token: SeSystemEnvironmentPrivilege	4832	svchost.exe
Token: SeChangeNotifyPrivilege	4832	svchost.exe
Token: SeRemoteShutdownPrivilege	4832	svchost.exe
Token: SeUndockPrivilege	4832	svchost.exe
Token: SeManageVolumePrivilege	4832	svchost.exe
Token: SeImpersonatePrivilege	4832	svchost.exe
Token: SeCreateGlobalPrivilege	4832	svchost.exe
Token: 33	4832	svchost.exe
Token: 34	4832	svchost.exe
Token: 35	4832	svchost.exe
Token: 36	4832	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4832	svchost.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 4832	2140	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe	83
PID 2140 wrote to memory of 4832	2140	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe	83
PID 2140 wrote to memory of 4832	2140	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe	83
PID 2140 wrote to memory of 4832	2140	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe	83
PID 2140 wrote to memory of 4832	2140	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe	83
PID 2140 wrote to memory of 4832	2140	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe	83
PID 2140 wrote to memory of 4832	2140	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe	83
PID 2140 wrote to memory of 4832	2140	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe	83
PID 2140 wrote to memory of 4832	2140	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe	83
PID 2140 wrote to memory of 4832	2140	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe	83
PID 2140 wrote to memory of 4832	2140	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe	83
PID 2140 wrote to memory of 4832	2140	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe	83
PID 2140 wrote to memory of 4832	2140	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe	83
PID 2140 wrote to memory of 4832	2140	JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe	83
PID 4832 wrote to memory of 4552	4832	svchost.exe	85
PID 4832 wrote to memory of 4552	4832	svchost.exe	85
PID 4832 wrote to memory of 4552	4832	svchost.exe	85
PID 4832 wrote to memory of 2660	4832	svchost.exe	86
PID 4832 wrote to memory of 2660	4832	svchost.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04eefd454ba9b64349e84594a0a87c05.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Users\Admin\AppData\Local\Temp\plugtemp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\plugtemp\svchost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4832
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:4552
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\plugtemp\svchost.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/2140-17-0x0000000074DC0000-0x0000000075371000-memory.dmp

Filesize
5.7MB

Download
memory/2140-1-0x0000000074DC0000-0x0000000075371000-memory.dmp

Filesize
5.7MB

Download
memory/2140-2-0x0000000074DC0000-0x0000000075371000-memory.dmp

Filesize
5.7MB

Download
memory/2140-0-0x0000000074DC2000-0x0000000074DC3000-memory.dmp

Filesize
4KB

Download
memory/4832-22-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/4832-24-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-13-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-16-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/4832-8-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-19-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-20-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-18-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-21-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-11-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-23-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-15-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-25-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-26-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-27-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-28-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-29-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-30-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-31-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-32-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-33-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-34-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/4832-35-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download

Analysis

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