darkcomet | e7ac7342131ff1d71329b63222f9d6151e37d9821b9084db04ba096b8b5b6db5

General

Target

b7ce2ce20844b40c1ff835f980596930_JaffaCakes118.exe
Size

1.7MB
MD5

b7ce2ce20844b40c1ff835f980596930
SHA1

58dee7f166c22ed41ed876125e72516ea08d80f5
SHA256

e7ac7342131ff1d71329b63222f9d6151e37d9821b9084db04ba096b8b5b6db5
SHA512

11e296763722b81967b6a04ee754cf84e0182c5dd0e3601f162186206d8dce9c538e2bbd56473c43861591a29a75450562d8a9aaa33fbed59fd44203a5f6fe1d
SSDEEP

12288:EYezfM5AXsdz5vSpHm790cseYsO8fGzsm56v+D86p5Ng12zpXD7RxOtR9bT7FQ7E:6Ti55eSv85NlxOhb+jM4ftTkl++N94

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

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	797.exe

Executes dropped EXE 1 IoCs

pid	Process
4884	797.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	797.exe

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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	797.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	797.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	797.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	797.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	797.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4884	797.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4884	797.exe
Token: SeSecurityPrivilege	4884	797.exe
Token: SeTakeOwnershipPrivilege	4884	797.exe
Token: SeLoadDriverPrivilege	4884	797.exe
Token: SeSystemProfilePrivilege	4884	797.exe
Token: SeSystemtimePrivilege	4884	797.exe
Token: SeProfSingleProcessPrivilege	4884	797.exe
Token: SeIncBasePriorityPrivilege	4884	797.exe
Token: SeCreatePagefilePrivilege	4884	797.exe
Token: SeBackupPrivilege	4884	797.exe
Token: SeRestorePrivilege	4884	797.exe
Token: SeShutdownPrivilege	4884	797.exe
Token: SeDebugPrivilege	4884	797.exe
Token: SeSystemEnvironmentPrivilege	4884	797.exe
Token: SeChangeNotifyPrivilege	4884	797.exe
Token: SeRemoteShutdownPrivilege	4884	797.exe
Token: SeUndockPrivilege	4884	797.exe
Token: SeManageVolumePrivilege	4884	797.exe
Token: SeImpersonatePrivilege	4884	797.exe
Token: SeCreateGlobalPrivilege	4884	797.exe
Token: 33	4884	797.exe
Token: 34	4884	797.exe
Token: 35	4884	797.exe
Token: 36	4884	797.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4884	797.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 4884	4916	b7ce2ce20844b40c1ff835f980596930_JaffaCakes118.exe	84
PID 4916 wrote to memory of 4884	4916	b7ce2ce20844b40c1ff835f980596930_JaffaCakes118.exe	84
PID 4916 wrote to memory of 4884	4916	b7ce2ce20844b40c1ff835f980596930_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\b7ce2ce20844b40c1ff835f980596930_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b7ce2ce20844b40c1ff835f980596930_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Users\Admin\AppData\Local\Temp\797.exe
  C:\Users\Admin\AppData\Local\Temp\797.exe
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\797.exe

Filesize
635KB

MD5
7231107356fcd7b07065165bebcb3be9

SHA1
8fdef0a9e135fd37ae75c89e449701f870d909b7

SHA256
535dafac4f0fbf028605f86dce8af65fb0d0cca81eec83f3112a7981061cfb94

SHA512
2a69bbed468548218427249b2aa018b851435f24f2a0239f9c80ff2fdba2c6b5501d0003d4d9d3d8ee65871281d9106f144936157a6240f95d27531ac1f9f184

Download Submit
memory/4884-14-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4884-18-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4884-13-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4884-23-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4884-8-0x0000000002860000-0x0000000002861000-memory.dmp

Filesize
4KB

Download
memory/4884-21-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4884-11-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4884-15-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4884-24-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4884-22-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4884-12-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4884-16-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4884-17-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4884-20-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4884-19-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4916-2-0x00007FFB1AD30000-0x00007FFB1B6D1000-memory.dmp

Filesize
9.6MB

Download
memory/4916-10-0x00007FFB1AD30000-0x00007FFB1B6D1000-memory.dmp

Filesize
9.6MB

Download
memory/4916-0-0x00007FFB1AFE5000-0x00007FFB1AFE6000-memory.dmp

Filesize
4KB

Download
memory/4916-7-0x00007FFB1AD30000-0x00007FFB1B6D1000-memory.dmp

Filesize
9.6MB

Download
memory/4916-1-0x000000001B850000-0x000000001B8F6000-memory.dmp

Filesize
664KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads