darkcomet | 8637f04a19f7dba7f86b49ce3c5b4918483b5f59285688d703c49dda0b6583ae

General

Target

cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe
Size

1.1MB
MD5

cdeea75da3a74740777978d7382ee4f6
SHA1

5808f22d1acef60e4bd74aba0b2059d462bdfc31
SHA256

8637f04a19f7dba7f86b49ce3c5b4918483b5f59285688d703c49dda0b6583ae
SHA512

a34391b177a0e3ce0c0e8989387f46ccbd988753fde4e30b8136d1b268dde8e1b55a55f5b040471f83b29059f59fa76155db61468a2b9fb7c971d63e9a1440a5
SSDEEP

12288:xKtsdQLKWSYiN/3vGA0vVE6F1FCQ56ezLuyM1fw1ijOLqeIJb8UUQ946jr6eyxwT:xvlvEvVERNmI9p656Q9zpDoRkwYycod

Score

10^/10

darkcomet discovery persistence 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
1672	vbc.exe

Loads dropped DLL 1 IoCs

pid	Process
2088	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe"	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2088 set thread context of 1672	2088	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe	31
PID 1672 set thread context of 2356	1672	vbc.exe	32

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	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1672	vbc.exe
Token: SeSecurityPrivilege	1672	vbc.exe
Token: SeTakeOwnershipPrivilege	1672	vbc.exe
Token: SeLoadDriverPrivilege	1672	vbc.exe
Token: SeSystemProfilePrivilege	1672	vbc.exe
Token: SeSystemtimePrivilege	1672	vbc.exe
Token: SeProfSingleProcessPrivilege	1672	vbc.exe
Token: SeIncBasePriorityPrivilege	1672	vbc.exe
Token: SeCreatePagefilePrivilege	1672	vbc.exe
Token: SeBackupPrivilege	1672	vbc.exe
Token: SeRestorePrivilege	1672	vbc.exe
Token: SeShutdownPrivilege	1672	vbc.exe
Token: SeDebugPrivilege	1672	vbc.exe
Token: SeSystemEnvironmentPrivilege	1672	vbc.exe
Token: SeChangeNotifyPrivilege	1672	vbc.exe
Token: SeRemoteShutdownPrivilege	1672	vbc.exe
Token: SeUndockPrivilege	1672	vbc.exe
Token: SeManageVolumePrivilege	1672	vbc.exe
Token: SeImpersonatePrivilege	1672	vbc.exe
Token: SeCreateGlobalPrivilege	1672	vbc.exe
Token: 33	1672	vbc.exe
Token: 34	1672	vbc.exe
Token: 35	1672	vbc.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 1672	2088	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe	31
PID 2088 wrote to memory of 1672	2088	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe	31
PID 2088 wrote to memory of 1672	2088	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe	31
PID 2088 wrote to memory of 1672	2088	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe	31
PID 2088 wrote to memory of 1672	2088	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe	31
PID 2088 wrote to memory of 1672	2088	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe	31
PID 2088 wrote to memory of 1672	2088	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe	31
PID 2088 wrote to memory of 1672	2088	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe	31
PID 2088 wrote to memory of 1672	2088	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe	31
PID 2088 wrote to memory of 1672	2088	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe	31
PID 2088 wrote to memory of 1672	2088	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe	31
PID 2088 wrote to memory of 1672	2088	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe	31
PID 2088 wrote to memory of 1672	2088	cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe	31
PID 1672 wrote to memory of 2356	1672	vbc.exe	32
PID 1672 wrote to memory of 2356	1672	vbc.exe	32
PID 1672 wrote to memory of 2356	1672	vbc.exe	32
PID 1672 wrote to memory of 2356	1672	vbc.exe	32
PID 1672 wrote to memory of 2356	1672	vbc.exe	32
PID 1672 wrote to memory of 2356	1672	vbc.exe	32

C:\Users\Admin\AppData\Local\Temp\cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cdeea75da3a74740777978d7382ee4f6_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088
- 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:1672
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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/1672-29-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1672-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1672-35-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1672-15-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1672-9-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1672-19-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1672-13-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1672-27-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1672-11-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1672-17-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1672-24-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1672-26-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1672-20-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1672-30-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1672-21-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2088-28-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2088-2-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2088-0-0x0000000074451000-0x0000000074452000-memory.dmp

Filesize
4KB

Download
memory/2088-1-0x0000000074450000-0x00000000749FB000-memory.dmp

Filesize
5.7MB

Download
memory/2356-32-0x0000000000400000-0x000000000051E000-memory.dmp

Filesize
1.1MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads