darkcomet | 955496694e023d1c084e4c719e501c7f6e3908d98c380e597aca93f0931be375

General

Target

JaffaCakes118_268667073c17eeb25c92a7409c324d4a.exe
Size

1.9MB
MD5

268667073c17eeb25c92a7409c324d4a
SHA1

3958d919bec76e459f49beb448e5e15938b0fc8e
SHA256

955496694e023d1c084e4c719e501c7f6e3908d98c380e597aca93f0931be375
SHA512

24d14e5880f8baf543032fcf51078481a7680407248e31181621c51a3979e7b019082f66f28268257a529808101d34d4f794e130fed2b5c2c8e0ec3622a3f226
SSDEEP

12288:Sm6+ZMvTxT4Jf6qQqR2kSBjg4xk60+7RGR1ExvkJdnLSAfmIzvGsXfVrHDGLqgTr:SSSnhwmJAqC9uGuFPKXDnsnTbich1

Score

10^/10

darkcomet guest16 discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

kroftyminecraft.no-ip.org:1604

Mutex

DC_MUTEX-RNGJX9D

Attributes

gencode
install
false
offline_keylogger
false
persistence
false
reg_key
winupdater

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	679.exe

Executes dropped EXE 1 IoCs

pid	Process
4728	679.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	679.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	679.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	679.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	679.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	679.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	679.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4728	679.exe
Token: SeSecurityPrivilege	4728	679.exe
Token: SeTakeOwnershipPrivilege	4728	679.exe
Token: SeLoadDriverPrivilege	4728	679.exe
Token: SeSystemProfilePrivilege	4728	679.exe
Token: SeSystemtimePrivilege	4728	679.exe
Token: SeProfSingleProcessPrivilege	4728	679.exe
Token: SeIncBasePriorityPrivilege	4728	679.exe
Token: SeCreatePagefilePrivilege	4728	679.exe
Token: SeBackupPrivilege	4728	679.exe
Token: SeRestorePrivilege	4728	679.exe
Token: SeShutdownPrivilege	4728	679.exe
Token: SeDebugPrivilege	4728	679.exe
Token: SeSystemEnvironmentPrivilege	4728	679.exe
Token: SeChangeNotifyPrivilege	4728	679.exe
Token: SeRemoteShutdownPrivilege	4728	679.exe
Token: SeUndockPrivilege	4728	679.exe
Token: SeManageVolumePrivilege	4728	679.exe
Token: SeImpersonatePrivilege	4728	679.exe
Token: SeCreateGlobalPrivilege	4728	679.exe
Token: 33	4728	679.exe
Token: 34	4728	679.exe
Token: 35	4728	679.exe
Token: 36	4728	679.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 4728	3688	JaffaCakes118_268667073c17eeb25c92a7409c324d4a.exe	88
PID 3688 wrote to memory of 4728	3688	JaffaCakes118_268667073c17eeb25c92a7409c324d4a.exe	88
PID 3688 wrote to memory of 4728	3688	JaffaCakes118_268667073c17eeb25c92a7409c324d4a.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_268667073c17eeb25c92a7409c324d4a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_268667073c17eeb25c92a7409c324d4a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3688
- C:\Users\Admin\AppData\Local\Temp\679.exe
  C:\Users\Admin\AppData\Local\Temp\679.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 use of AdjustPrivilegeToken
  PID:4728

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\679.exe

Filesize
710KB

MD5
2c03db08ef30f9d470877851647b8686

SHA1
f60154b3ac972874204ea579f49abeeaf7dac1f7

SHA256
14243813c7655894c3418e99b4a419dbf79e4bf440d147873e591efb37ef83ae

SHA512
2fe02299531b49ea7c8eaf2ccc5592e713dab7dffd29958a5e32f5d22faa185522acaee608e6de382dad9e30826a362ccb41f79a3b2835bd9f5122fbc721373a

Download Submit
memory/3688-10-0x00007FFD63400000-0x00007FFD63DA1000-memory.dmp

Filesize
9.6MB

Download
memory/3688-1-0x000000001B5F0000-0x000000001B696000-memory.dmp

Filesize
664KB

Download
memory/3688-2-0x00007FFD63400000-0x00007FFD63DA1000-memory.dmp

Filesize
9.6MB

Download
memory/3688-6-0x00007FFD63400000-0x00007FFD63DA1000-memory.dmp

Filesize
9.6MB

Download
memory/3688-0-0x00007FFD636B5000-0x00007FFD636B6000-memory.dmp

Filesize
4KB

Download
memory/4728-14-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4728-17-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4728-12-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4728-13-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4728-8-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/4728-15-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4728-16-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4728-11-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4728-18-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4728-19-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4728-20-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4728-21-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4728-22-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4728-23-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4728-24-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads