darkcomet | add5258839eba2f2e7a3f1c3378eacd734b52b7919c5c04fadd6e1ce41934ece

General

Target

acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe
Size

609KB
MD5

acd56cef01889b7ff2b8b1f39cbcf3f5
SHA1

683cfb3d1096845a611737ba331dc97629696900
SHA256

add5258839eba2f2e7a3f1c3378eacd734b52b7919c5c04fadd6e1ce41934ece
SHA512

254b25a4907582c6a9d7b562448b800376fdf490119d5972282b6f5b89f58ee3a5d6ecb70c83a663cf32e28a880da249a97212a5768dbec978b18b7338bb3744
SSDEEP

12288:use58KBby4sgTDh25dau/ONUBWGNQcEqFWEAr7BwhP42GlkshJRDdQQ9gU/:usepmg3hbqBucE/EAWhw20dQGg

Score

10^/10

darkcomet windowsreg discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

windowsreg

C2

heyhey123.no-ip.org:1803

Mutex

DC_MUTEX-Q4WFDU4

Attributes

gencode
u5zZfFtsaBH9
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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
224	tmp9E92.tmp.exe
2292	tmp9E92.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1523142539 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tmp9E92.tmp.exe\""	tmp9E92.tmp.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1908131662 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tmp9E92.tmp.exe\""	tmp9E92.tmp.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2172 set thread context of 4756	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	84

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe
File opened for modification	C:\Windows\assembly	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe
File created	C:\Windows\assembly\Desktop.ini	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe

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 4 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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp9E92.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp9E92.tmp.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe
Token: SeDebugPrivilege	224	tmp9E92.tmp.exe
Token: SeDebugPrivilege	2292	tmp9E92.tmp.exe
Token: SeIncreaseQuotaPrivilege	4756	vbc.exe
Token: SeSecurityPrivilege	4756	vbc.exe
Token: SeTakeOwnershipPrivilege	4756	vbc.exe
Token: SeLoadDriverPrivilege	4756	vbc.exe
Token: SeSystemProfilePrivilege	4756	vbc.exe
Token: SeSystemtimePrivilege	4756	vbc.exe
Token: SeProfSingleProcessPrivilege	4756	vbc.exe
Token: SeIncBasePriorityPrivilege	4756	vbc.exe
Token: SeCreatePagefilePrivilege	4756	vbc.exe
Token: SeBackupPrivilege	4756	vbc.exe
Token: SeRestorePrivilege	4756	vbc.exe
Token: SeShutdownPrivilege	4756	vbc.exe
Token: SeDebugPrivilege	4756	vbc.exe
Token: SeSystemEnvironmentPrivilege	4756	vbc.exe
Token: SeChangeNotifyPrivilege	4756	vbc.exe
Token: SeRemoteShutdownPrivilege	4756	vbc.exe
Token: SeUndockPrivilege	4756	vbc.exe
Token: SeManageVolumePrivilege	4756	vbc.exe
Token: SeImpersonatePrivilege	4756	vbc.exe
Token: SeCreateGlobalPrivilege	4756	vbc.exe
Token: 33	4756	vbc.exe
Token: 34	4756	vbc.exe
Token: 35	4756	vbc.exe
Token: 36	4756	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4756	vbc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 224	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	82
PID 2172 wrote to memory of 224	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	82
PID 2172 wrote to memory of 224	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	82
PID 2172 wrote to memory of 2292	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	83
PID 2172 wrote to memory of 2292	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	83
PID 2172 wrote to memory of 2292	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	83
PID 2172 wrote to memory of 4756	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	84
PID 2172 wrote to memory of 4756	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	84
PID 2172 wrote to memory of 4756	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	84
PID 2172 wrote to memory of 4756	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	84
PID 2172 wrote to memory of 4756	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	84
PID 2172 wrote to memory of 4756	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	84
PID 2172 wrote to memory of 4756	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	84
PID 2172 wrote to memory of 4756	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	84
PID 2172 wrote to memory of 4756	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	84
PID 2172 wrote to memory of 4756	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	84
PID 2172 wrote to memory of 4756	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	84
PID 2172 wrote to memory of 4756	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	84
PID 2172 wrote to memory of 4756	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	84
PID 2172 wrote to memory of 4756	2172	acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\acd56cef01889b7ff2b8b1f39cbcf3f5_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\tmp9E92.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp9E92.tmp.exe" -p
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:224
- C:\Users\Admin\AppData\Local\Temp\tmp9E92.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp9E92.tmp.exe" -p
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2292
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\\vbc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\tmp9E92.tmp.exe.log

Filesize
217B

MD5
594f9a7c2c9174efbb2099b6b21ca0c1

SHA1
859abbb672399e195267d2ebd57395ae9153dcd0

SHA256
3f56509adf13b45203567538dcd316e5217122182ff5b051da5ea2edc6bbc9a7

SHA512
13680a4fb1d115efb80d1fc2888420c48af6429360b6d14d77a60ed57d15c29233f424955e4b840a131d40881507b1465beeac1aa258b6ca20d311a668240b7d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9E92.tmp.exe

Filesize
609KB

MD5
acd56cef01889b7ff2b8b1f39cbcf3f5

SHA1
683cfb3d1096845a611737ba331dc97629696900

SHA256
add5258839eba2f2e7a3f1c3378eacd734b52b7919c5c04fadd6e1ce41934ece

SHA512
254b25a4907582c6a9d7b562448b800376fdf490119d5972282b6f5b89f58ee3a5d6ecb70c83a663cf32e28a880da249a97212a5768dbec978b18b7338bb3744

Download Submit
memory/224-16-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/224-17-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/224-19-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/2172-32-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/2172-1-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/2172-2-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/2172-0-0x0000000075412000-0x0000000075413000-memory.dmp

Filesize
4KB

Download
memory/2292-31-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/2292-27-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/2292-26-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/4756-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-38-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-33-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-34-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-35-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-36-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-37-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-39-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-40-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-41-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-42-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-43-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-44-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-45-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-46-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4756-47-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads