darkcomet | 96b55b43390627ab699063ba72b06b59b1c7fece5e90e4e39c761b7df89ae63d

General

Target

878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe
Size

262KB
MD5

878224ab7f5ced8b033af0afa0da61ea
SHA1

8e59a2d04f134cbf6b6a2d06f123c4a4b3b11211
SHA256

96b55b43390627ab699063ba72b06b59b1c7fece5e90e4e39c761b7df89ae63d
SHA512

84bade13c4c07b7bb9802d3b7e809712350b8e6ec54b87af97fa1333ad9b4af70c27a0b8327a576e9a4c36456fce211050a213a2a5445895e3d62b50f2fa54ef
SSDEEP

3072:vK8mzXs8UuVfh49HMoHiarmz4s4vJ/5uxXdKgwzuuqPK7zTc37Hfe+eS1mg0YWvi:C8Os04xVHhFsY5uaujK7zTEG+CgMjP

Score

10^/10

darkcomet jsb discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

JSB

C2

runescape6.no-ip.org:1604

Mutex

DC_MUTEX-1JFHDRH

Attributes

gencode
oRjtH6mtKRdM
install
false
offline_keylogger
true
persistence
false

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	878224ab7f5ced8b033af0afa0da61ea_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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Java = "C:\\Users\\Admin\\AppData\\Local\\Temp\\878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1376 set thread context of 2760	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe	87

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2760-3-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-5-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-6-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-7-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-8-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-9-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-11-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-12-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-15-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-18-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-20-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-21-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-26-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2760-31-0x0000000000400000-0x00000000004B7000-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 5 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	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1332	reg.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2760	cvtres.exe
Token: SeSecurityPrivilege	2760	cvtres.exe
Token: SeTakeOwnershipPrivilege	2760	cvtres.exe
Token: SeLoadDriverPrivilege	2760	cvtres.exe
Token: SeSystemProfilePrivilege	2760	cvtres.exe
Token: SeSystemtimePrivilege	2760	cvtres.exe
Token: SeProfSingleProcessPrivilege	2760	cvtres.exe
Token: SeIncBasePriorityPrivilege	2760	cvtres.exe
Token: SeCreatePagefilePrivilege	2760	cvtres.exe
Token: SeBackupPrivilege	2760	cvtres.exe
Token: SeRestorePrivilege	2760	cvtres.exe
Token: SeShutdownPrivilege	2760	cvtres.exe
Token: SeDebugPrivilege	2760	cvtres.exe
Token: SeSystemEnvironmentPrivilege	2760	cvtres.exe
Token: SeChangeNotifyPrivilege	2760	cvtres.exe
Token: SeRemoteShutdownPrivilege	2760	cvtres.exe
Token: SeUndockPrivilege	2760	cvtres.exe
Token: SeManageVolumePrivilege	2760	cvtres.exe
Token: SeImpersonatePrivilege	2760	cvtres.exe
Token: SeCreateGlobalPrivilege	2760	cvtres.exe
Token: 33	2760	cvtres.exe
Token: 34	2760	cvtres.exe
Token: 35	2760	cvtres.exe
Token: 36	2760	cvtres.exe
Token: SeDebugPrivilege	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2760	cvtres.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 2760	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe	87
PID 1376 wrote to memory of 2760	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe	87
PID 1376 wrote to memory of 2760	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe	87
PID 1376 wrote to memory of 2760	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe	87
PID 1376 wrote to memory of 2760	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe	87
PID 1376 wrote to memory of 2760	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe	87
PID 1376 wrote to memory of 2760	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe	87
PID 1376 wrote to memory of 2760	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe	87
PID 1376 wrote to memory of 4128	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe	88
PID 1376 wrote to memory of 4128	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe	88
PID 1376 wrote to memory of 4128	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe	88
PID 1376 wrote to memory of 2680	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe	90
PID 1376 wrote to memory of 2680	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe	90
PID 1376 wrote to memory of 2680	1376	878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe	90
PID 4128 wrote to memory of 1332	4128	cmd.exe	92
PID 4128 wrote to memory of 1332	4128	cmd.exe	92
PID 4128 wrote to memory of 1332	4128	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2760
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v Java /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4128
- - C:\Windows\SysWOW64\reg.exe
    reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v Java /t REG_SZ /d C:\Users\Admin\AppData\Local\Temp\878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:1332
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c copy C:\Users\Admin\AppData\Local\Temp\878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\878224ab7f5ced8b033af0afa0da61ea_JaffaCakes118.exe /Y & exit
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2680

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

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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/1376-10-0x0000000000F80000-0x0000000000F90000-memory.dmp

Filesize
64KB

Download
memory/1376-1-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/1376-2-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/1376-0-0x00000000747A2000-0x00000000747A3000-memory.dmp

Filesize
4KB

Download
memory/1376-14-0x00000000747A0000-0x0000000074D51000-memory.dmp

Filesize
5.7MB

Download
memory/2760-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-20-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-8-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-9-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-6-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-11-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-12-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-5-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-3-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-18-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-7-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-26-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2760-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads