darkcomet | 10c611a91e873a2ca75ed2bb5b9ea171230b3568b85c494309e7b1af9b104cd5

General

Target
JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Size 695KB
Sample250219-jfcf9ssps5
SHA256 10c611a91e873a2ca75ed2bb5b9ea171230b3568b85c494309e7b1af9b104cd5
MD5 042b519fea63b319f550f3fe347c4fcc
SHA1 c043df2da14e88dc1576fbab9bc93df91a573d0c
SHA512 9ae39be49fd5b56b097aae991b56deee765a1439919e8d78d4f72c5e80c13be12807e530395d5718cd30a74f046dd074b06cc86ab4a896db45c095b948d5e2ab
SSDEEP 12288:NJ6i828AWSUJ0bJldsnDZE+fbcWyAUVZ9B5W2JXyWVTm3B32iPUd1CT3G5kneR4:76iH8AXUJ0tjUDXcrAsDW2tyWVTm3BGC
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet guest16 discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

84.169.70.18:1604
127.0.0.1:1604
192.168.2.100:1604

Mutex

DC_MUTEX-F54S21D

Attributes

gencode
p5mqjs5.Tw�c
install
false
offline_keylogger
false
persistence
false

rc4.plain

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	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 4612	2672	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe	86

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_042b519fea63b319f550f3fe347c4fcc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.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	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeSecurityPrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeTakeOwnershipPrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeLoadDriverPrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeSystemProfilePrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeSystemtimePrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeProfSingleProcessPrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeIncBasePriorityPrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeCreatePagefilePrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeBackupPrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeRestorePrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeShutdownPrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeDebugPrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeSystemEnvironmentPrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeChangeNotifyPrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeRemoteShutdownPrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeUndockPrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeManageVolumePrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeImpersonatePrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: SeCreateGlobalPrivilege	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: 33	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: 34	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: 35	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
Token: 36	4612	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 4612	2672	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe	86
PID 2672 wrote to memory of 4612	2672	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe	86
PID 2672 wrote to memory of 4612	2672	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe	86
PID 2672 wrote to memory of 4612	2672	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe	86
PID 2672 wrote to memory of 4612	2672	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe	86
PID 2672 wrote to memory of 4612	2672	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe	86
PID 2672 wrote to memory of 4612	2672	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe	86
PID 2672 wrote to memory of 4612	2672	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe	86
PID 2672 wrote to memory of 4612	2672	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe	86
PID 2672 wrote to memory of 4612	2672	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe	86
PID 2672 wrote to memory of 4612	2672	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe	86
PID 2672 wrote to memory of 4612	2672	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe	86
PID 2672 wrote to memory of 4612	2672	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe	86
PID 2672 wrote to memory of 4612	2672	JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_042b519fea63b319f550f3fe347c4fcc.exe"
  2⤵
  - Checks BIOS information in registry
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:4612

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

memory/2672-0-0x0000000075052000-0x0000000075053000-memory.dmp

Download

memory/2672-1-0x0000000075050000-0x0000000075601000-memory.dmp

Download

memory/2672-2-0x0000000075050000-0x0000000075601000-memory.dmp

Download

memory/2672-12-0x0000000075050000-0x0000000075601000-memory.dmp

Download

memory/4612-7-0x0000000000400000-0x00000000004D9000-memory.dmp

Download

memory/4612-6-0x0000000000400000-0x00000000004D9000-memory.dmp

Download

memory/4612-4-0x0000000000400000-0x00000000004D9000-memory.dmp

Download

memory/4612-9-0x0000000002EF0000-0x0000000002EF1000-memory.dmp

Download

memory/4612-11-0x0000000000400000-0x00000000004D9000-memory.dmp

Download

memory/4612-10-0x0000000000400000-0x00000000004D9000-memory.dmp

Download

memory/4612-8-0x0000000000400000-0x00000000004D9000-memory.dmp

Download

memory/4612-3-0x0000000000400000-0x00000000004D9000-memory.dmp

Download

memory/4612-13-0x0000000000400000-0x00000000004D9000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads