darkcomet | 690d40f6a74d37e5f82caf43f8eb2c1a1d37749f145c6bc522acc011f7884069

General

Target

2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe
Size

941KB
MD5

2466ea7e364d34e42b94c5747ca2a1da
SHA1

53ba2a704952962b35dc32e5a084fe94e66a7f7b
SHA256

690d40f6a74d37e5f82caf43f8eb2c1a1d37749f145c6bc522acc011f7884069
SHA512

08856857ca8d598d5cd43c2d7616c66446cf3ba3ad8ba5953535e5b72ac8fb5e10bb60f8f291d86062c2aafd79e0eadea0c122418430fbaaad83893a0766dae2
SSDEEP

12288:YktwDM1afm34GNzONSFm9lAIpeSXLzdMWdSJfO:TYM1alyzhmYsPqWdS

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

seytaninamiri.no-ip.org:1604

Mutex

DC_MUTEX-F54S21D

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
45mA5CehMwMt
install
true
offline_keylogger
false
persistence
false
reg_key
MicroUpdate

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	Service.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Service.exe

Executes dropped EXE 2 IoCs

pid	Process
1740	Service.exe
2288	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2116	2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe
1740	Service.exe

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-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	Service.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 1740	2116	2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1740	Service.exe
Token: SeSecurityPrivilege	1740	Service.exe
Token: SeTakeOwnershipPrivilege	1740	Service.exe
Token: SeLoadDriverPrivilege	1740	Service.exe
Token: SeSystemProfilePrivilege	1740	Service.exe
Token: SeSystemtimePrivilege	1740	Service.exe
Token: SeProfSingleProcessPrivilege	1740	Service.exe
Token: SeIncBasePriorityPrivilege	1740	Service.exe
Token: SeCreatePagefilePrivilege	1740	Service.exe
Token: SeBackupPrivilege	1740	Service.exe
Token: SeRestorePrivilege	1740	Service.exe
Token: SeShutdownPrivilege	1740	Service.exe
Token: SeDebugPrivilege	1740	Service.exe
Token: SeSystemEnvironmentPrivilege	1740	Service.exe
Token: SeChangeNotifyPrivilege	1740	Service.exe
Token: SeRemoteShutdownPrivilege	1740	Service.exe
Token: SeUndockPrivilege	1740	Service.exe
Token: SeManageVolumePrivilege	1740	Service.exe
Token: SeImpersonatePrivilege	1740	Service.exe
Token: SeCreateGlobalPrivilege	1740	Service.exe
Token: 33	1740	Service.exe
Token: 34	1740	Service.exe
Token: 35	1740	Service.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 1740	2116	2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe	28
PID 2116 wrote to memory of 1740	2116	2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe	28
PID 2116 wrote to memory of 1740	2116	2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe	28
PID 2116 wrote to memory of 1740	2116	2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe	28
PID 2116 wrote to memory of 1740	2116	2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe	28
PID 2116 wrote to memory of 1740	2116	2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe	28
PID 2116 wrote to memory of 1740	2116	2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe	28
PID 2116 wrote to memory of 1740	2116	2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe	28
PID 2116 wrote to memory of 1740	2116	2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe	28
PID 2116 wrote to memory of 1740	2116	2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe	28
PID 2116 wrote to memory of 1740	2116	2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe	28
PID 2116 wrote to memory of 1740	2116	2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe	28
PID 2116 wrote to memory of 1740	2116	2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe	28
PID 1740 wrote to memory of 2288	1740	Service.exe	29
PID 1740 wrote to memory of 2288	1740	Service.exe	29
PID 1740 wrote to memory of 2288	1740	Service.exe	29
PID 1740 wrote to memory of 2288	1740	Service.exe	29

C:\Users\Admin\AppData\Local\Temp\2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2466ea7e364d34e42b94c5747ca2a1da_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\plugtemp\Service.exe
  C:\Users\Admin\AppData\Local\Temp\\plugtemp\Service.exe
  2⤵
  - Modifies WinLogon for persistence
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    PID:2288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\plugtemp\Service.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/1740-14-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1740-13-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1740-35-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1740-25-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1740-20-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1740-22-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1740-15-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1740-17-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1740-24-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1740-16-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1740-8-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1740-12-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1740-10-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/1740-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1740-23-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/2116-2-0x0000000074740000-0x0000000074CEB000-memory.dmp

Filesize
5.7MB

Download
memory/2116-0-0x0000000074741000-0x0000000074742000-memory.dmp

Filesize
4KB

Download
memory/2116-1-0x0000000074740000-0x0000000074CEB000-memory.dmp

Filesize
5.7MB

Download
memory/2116-38-0x0000000074740000-0x0000000074CEB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads