darkcomet | 8de3e8407e2ac685ef9a5d097e209276233ab23db8f5e74bad252b22b251e591

General

Target

9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe
Size

1.1MB
MD5

9436dd2ce44f2311d7cf032852a831ab
SHA1

a6c9c7a87d3c7c3848ee6707dca56544596799f3
SHA256

8de3e8407e2ac685ef9a5d097e209276233ab23db8f5e74bad252b22b251e591
SHA512

de8dc4c5d6a2b47bdaba985bbab2b653c860c73d7651cb65fdf669f970243c1f898d3314b5d27215ce3747ba072ecda792a9bfa6a1c7b397d2fa4514d40b7a11
SSDEEP

12288:jjPG0Ond0VO5iICxcNVM82OKQhfAvhIcQjFDk/yXcrnvMftGowccQyYE33lEFUk0:LwJTwZAuTUlErCUkHNFpwzkvNY

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

Executes dropped EXE 1 IoCs

pid	Process
2704	vbc.exe

Loads dropped DLL 1 IoCs

pid	Process
2372	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 2704	2372	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	30
PID 2704 set thread context of 2672	2704	vbc.exe	31

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	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2704	vbc.exe
Token: SeSecurityPrivilege	2704	vbc.exe
Token: SeTakeOwnershipPrivilege	2704	vbc.exe
Token: SeLoadDriverPrivilege	2704	vbc.exe
Token: SeSystemProfilePrivilege	2704	vbc.exe
Token: SeSystemtimePrivilege	2704	vbc.exe
Token: SeProfSingleProcessPrivilege	2704	vbc.exe
Token: SeIncBasePriorityPrivilege	2704	vbc.exe
Token: SeCreatePagefilePrivilege	2704	vbc.exe
Token: SeBackupPrivilege	2704	vbc.exe
Token: SeRestorePrivilege	2704	vbc.exe
Token: SeShutdownPrivilege	2704	vbc.exe
Token: SeDebugPrivilege	2704	vbc.exe
Token: SeSystemEnvironmentPrivilege	2704	vbc.exe
Token: SeChangeNotifyPrivilege	2704	vbc.exe
Token: SeRemoteShutdownPrivilege	2704	vbc.exe
Token: SeUndockPrivilege	2704	vbc.exe
Token: SeManageVolumePrivilege	2704	vbc.exe
Token: SeImpersonatePrivilege	2704	vbc.exe
Token: SeCreateGlobalPrivilege	2704	vbc.exe
Token: 33	2704	vbc.exe
Token: 34	2704	vbc.exe
Token: 35	2704	vbc.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2704	2372	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2704	2372	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2704	2372	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2704	2372	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2704	2372	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2704	2372	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2704	2372	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2704	2372	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2704	2372	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2704	2372	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2704	2372	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2704	2372	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2704	2372	9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2672	2704	vbc.exe	31
PID 2704 wrote to memory of 2672	2704	vbc.exe	31
PID 2704 wrote to memory of 2672	2704	vbc.exe	31
PID 2704 wrote to memory of 2672	2704	vbc.exe	31
PID 2704 wrote to memory of 2672	2704	vbc.exe	31
PID 2704 wrote to memory of 2672	2704	vbc.exe	31

C:\Users\Admin\AppData\Local\Temp\9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9436dd2ce44f2311d7cf032852a831ab_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

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

\Users\Admin\AppData\Local\Temp\vbc.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2372-0-0x00000000740B1000-0x00000000740B2000-memory.dmp

Filesize
4KB

Download
memory/2372-1-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/2372-2-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/2372-27-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/2672-31-0x0000000000400000-0x000000000051E000-memory.dmp

Filesize
1.1MB

Download
memory/2704-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-11-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2704-25-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2704-23-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2704-28-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2704-19-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2704-12-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2704-26-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2704-17-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2704-15-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2704-14-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2704-7-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2704-34-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2704-9-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2704-29-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download

Analysis

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