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
1216	winlogon.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-1-5-21-2718105630-359604950-2820636825-1000\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 4672 set thread context of 1216	4672	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	87

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1216-7-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-11-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-12-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-14-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-16-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-15-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-19-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-18-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-20-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-21-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-25-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-26-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-27-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-28-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-29-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-30-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-31-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-32-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-33-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-34-0x0000000000400000-0x00000000004C6000-memory.dmp	upx
behavioral2/memory/1216-35-0x0000000000400000-0x00000000004C6000-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	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4672	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe
4672	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1216	winlogon.exe
Token: SeSecurityPrivilege	1216	winlogon.exe
Token: SeTakeOwnershipPrivilege	1216	winlogon.exe
Token: SeLoadDriverPrivilege	1216	winlogon.exe
Token: SeSystemProfilePrivilege	1216	winlogon.exe
Token: SeSystemtimePrivilege	1216	winlogon.exe
Token: SeProfSingleProcessPrivilege	1216	winlogon.exe
Token: SeIncBasePriorityPrivilege	1216	winlogon.exe
Token: SeCreatePagefilePrivilege	1216	winlogon.exe
Token: SeBackupPrivilege	1216	winlogon.exe
Token: SeRestorePrivilege	1216	winlogon.exe
Token: SeShutdownPrivilege	1216	winlogon.exe
Token: SeDebugPrivilege	1216	winlogon.exe
Token: SeSystemEnvironmentPrivilege	1216	winlogon.exe
Token: SeChangeNotifyPrivilege	1216	winlogon.exe
Token: SeRemoteShutdownPrivilege	1216	winlogon.exe
Token: SeUndockPrivilege	1216	winlogon.exe
Token: SeManageVolumePrivilege	1216	winlogon.exe
Token: SeImpersonatePrivilege	1216	winlogon.exe
Token: SeCreateGlobalPrivilege	1216	winlogon.exe
Token: 33	1216	winlogon.exe
Token: 34	1216	winlogon.exe
Token: 35	1216	winlogon.exe
Token: 36	1216	winlogon.exe
Token: SeDebugPrivilege	4672	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe
Token: SeDebugPrivilege	4672	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1216	winlogon.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 1216	4672	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	87
PID 4672 wrote to memory of 1216	4672	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	87
PID 4672 wrote to memory of 1216	4672	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	87
PID 4672 wrote to memory of 1216	4672	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	87
PID 4672 wrote to memory of 1216	4672	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	87
PID 4672 wrote to memory of 1216	4672	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	87
PID 4672 wrote to memory of 1216	4672	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	87
PID 4672 wrote to memory of 1216	4672	188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\188a433ec37744980bd5447675e6f4c1_JaffaCakes118.exe"
1⤵
- 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:4672
- 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:1216

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

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Downloads

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

Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
memory/1216-18-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-26-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-35-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-34-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-7-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-33-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-11-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-12-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-14-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-16-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-15-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-17-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/1216-19-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-32-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-31-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-21-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-20-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-30-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-25-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-22-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/1216-27-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-28-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1216-29-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/4672-24-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4672-2-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4672-0-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

Filesize
4KB

Download
memory/4672-1-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4672-4-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4672-3-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads