darkcomet | b759beb7f21fc18836d930d48286e98e5dccf449d8ea851a5b936e0557147dae

General

Target

188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe
Size

405KB
MD5

188a433ec37744980bd5447675e6f4c1
SHA1

928d2aa5cf082f5c21866df3c3cbe345dbabf357
SHA256

b759beb7f21fc18836d930d48286e98e5dccf449d8ea851a5b936e0557147dae
SHA512

1ff298367d1db404bb621704b8ff5c58699c7a2e10f23b242e5a86e83a1ebd05209d6a93f81b8b59987f8c506d9f1a6bef58103e9a294c2c1891aeb0f5aab0a6
SSDEEP

6144:RewhNckA6ec4X0dC3ThO/W8ig3ADIE1JZ5d7rVZF2q8/E4e9jQjSKtKiuzNVCu2F:Rn5A6edEdMO/7iutC12b/E4oKsiupu

Score

10^/10

darkcomet dezember discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Dezember

C2

hurt2101.no-ip.info:3333

Mutex

ASD-TGZYX9A

Attributes

gencode
6mjknFnzvUNC
install
false
offline_keylogger
true
persistence
false

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2552	winlogon.exe

Loads dropped DLL 1 IoCs

pid	Process
1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Live = "C:\\Users\\Admin\\AppData\\Local\\Temp\\188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe"	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1648 set thread context of 2552	1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	31

UPX packed file 23 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2552-17-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-16-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-14-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-11-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-10-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-18-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-19-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-20-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-24-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-23-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-29-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-30-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-31-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-32-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-33-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-34-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-35-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-36-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-37-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-38-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-39-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-40-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral1/memory/2552-41-0x0000000000400000-0x00000000004C6000-memory.dmp	upx

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

System Information Discovery
T1082

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	winlogon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe
1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2552	winlogon.exe
Token: SeSecurityPrivilege	2552	winlogon.exe
Token: SeTakeOwnershipPrivilege	2552	winlogon.exe
Token: SeLoadDriverPrivilege	2552	winlogon.exe
Token: SeSystemProfilePrivilege	2552	winlogon.exe
Token: SeSystemtimePrivilege	2552	winlogon.exe
Token: SeProfSingleProcessPrivilege	2552	winlogon.exe
Token: SeIncBasePriorityPrivilege	2552	winlogon.exe
Token: SeCreatePagefilePrivilege	2552	winlogon.exe
Token: SeBackupPrivilege	2552	winlogon.exe
Token: SeRestorePrivilege	2552	winlogon.exe
Token: SeShutdownPrivilege	2552	winlogon.exe
Token: SeDebugPrivilege	2552	winlogon.exe
Token: SeSystemEnvironmentPrivilege	2552	winlogon.exe
Token: SeChangeNotifyPrivilege	2552	winlogon.exe
Token: SeRemoteShutdownPrivilege	2552	winlogon.exe
Token: SeUndockPrivilege	2552	winlogon.exe
Token: SeManageVolumePrivilege	2552	winlogon.exe
Token: SeImpersonatePrivilege	2552	winlogon.exe
Token: SeCreateGlobalPrivilege	2552	winlogon.exe
Token: 33	2552	winlogon.exe
Token: 34	2552	winlogon.exe
Token: 35	2552	winlogon.exe
Token: SeDebugPrivilege	1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe
Token: SeDebugPrivilege	1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2552	winlogon.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 2552	1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	31
PID 1648 wrote to memory of 2552	1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	31
PID 1648 wrote to memory of 2552	1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	31
PID 1648 wrote to memory of 2552	1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	31
PID 1648 wrote to memory of 2552	1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	31
PID 1648 wrote to memory of 2552	1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	31
PID 1648 wrote to memory of 2552	1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	31
PID 1648 wrote to memory of 2552	1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	31
PID 1648 wrote to memory of 2552	1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	31
PID 1648 wrote to memory of 2552	1648	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Users\Admin\AppData\Local\Temp\winlogon.exe
  C:\Users\Admin\AppData\Local\Temp\\winlogon.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\winlogon.exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
memory/1648-0-0x0000000074711000-0x0000000074712000-memory.dmp

Filesize
4KB

Download
memory/1648-1-0x0000000074710000-0x0000000074CBB000-memory.dmp

Filesize
5.7MB

Download
memory/1648-2-0x0000000074710000-0x0000000074CBB000-memory.dmp

Filesize
5.7MB

Download
memory/1648-3-0x0000000074710000-0x0000000074CBB000-memory.dmp

Filesize
5.7MB

Download
memory/1648-28-0x0000000074710000-0x0000000074CBB000-memory.dmp

Filesize
5.7MB

Download
memory/2552-24-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-8-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-14-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2552-11-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-10-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-18-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-19-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-21-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2552-20-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-17-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-23-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-25-0x0000000002D60000-0x0000000002D61000-memory.dmp

Filesize
4KB

Download
memory/2552-16-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-29-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-30-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-31-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-32-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-33-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-34-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-35-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-36-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-37-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-38-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-39-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-40-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2552-41-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads