darkcomet | 22fe32fd72a901239a5635d4fb6efe588e83812e10590cd64419c612e5649e24

General

Target

b545097b070ac19766a36b4617338363_JaffaCakes118.exe
Size

918KB
MD5

b545097b070ac19766a36b4617338363
SHA1

bbec26108117802436b079099a357c04296093fc
SHA256

22fe32fd72a901239a5635d4fb6efe588e83812e10590cd64419c612e5649e24
SHA512

1881ae7735e9dda6f87a3aebe4d73ffd303dd0e44c18116f6da7966ecae9d2a91e87f3956e228eaa55abffaf30f080c6bafc1603d8d43d9c2923175722387b97
SSDEEP

24576:8gefGu8NaXaPkoekz4R7PbMxIozXVbv+4sQuTfpy1BGZ3s:au2iy7P0Bli4Q7peBU3

Score

10^/10

darkcomet latentbot darkz discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

darkz

C2

gameserver2.zapto.org:1604

Mutex

DC_MUTEX-59WS2LP

Attributes

gencode
FCPYmHSjUERL
install
false
offline_keylogger
true
persistence
false

Extracted

Family

latentbot

C2

gameserver2.zapto.org

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot

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

Processes:

b545097b070ac19766a36b4617338363_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	b545097b070ac19766a36b4617338363_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

b545097b070ac19766a36b4617338363_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon.exe = "C:\\Users\\Admin\\AppData\\Roaming\\winlogon.exe"	b545097b070ac19766a36b4617338363_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b545097b070ac19766a36b4617338363_JaffaCakes118.exe

description	pid	Process	procid_target
PID 3928 set thread context of 4356	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	89

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 3 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

Processes:

b545097b070ac19766a36b4617338363_JaffaCakes118.execmd.execvtres.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b545097b070ac19766a36b4617338363_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

cvtres.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4356	cvtres.exe
Token: SeSecurityPrivilege	4356	cvtres.exe
Token: SeTakeOwnershipPrivilege	4356	cvtres.exe
Token: SeLoadDriverPrivilege	4356	cvtres.exe
Token: SeSystemProfilePrivilege	4356	cvtres.exe
Token: SeSystemtimePrivilege	4356	cvtres.exe
Token: SeProfSingleProcessPrivilege	4356	cvtres.exe
Token: SeIncBasePriorityPrivilege	4356	cvtres.exe
Token: SeCreatePagefilePrivilege	4356	cvtres.exe
Token: SeBackupPrivilege	4356	cvtres.exe
Token: SeRestorePrivilege	4356	cvtres.exe
Token: SeShutdownPrivilege	4356	cvtres.exe
Token: SeDebugPrivilege	4356	cvtres.exe
Token: SeSystemEnvironmentPrivilege	4356	cvtres.exe
Token: SeChangeNotifyPrivilege	4356	cvtres.exe
Token: SeRemoteShutdownPrivilege	4356	cvtres.exe
Token: SeUndockPrivilege	4356	cvtres.exe
Token: SeManageVolumePrivilege	4356	cvtres.exe
Token: SeImpersonatePrivilege	4356	cvtres.exe
Token: SeCreateGlobalPrivilege	4356	cvtres.exe
Token: 33	4356	cvtres.exe
Token: 34	4356	cvtres.exe
Token: 35	4356	cvtres.exe
Token: 36	4356	cvtres.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

cvtres.exe

pid	Process
4356	cvtres.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

b545097b070ac19766a36b4617338363_JaffaCakes118.exe

description	pid	Process	procid_target
PID 3928 wrote to memory of 2612	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	86
PID 3928 wrote to memory of 2612	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	86
PID 3928 wrote to memory of 2612	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	86
PID 3928 wrote to memory of 4356	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	89
PID 3928 wrote to memory of 4356	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	89
PID 3928 wrote to memory of 4356	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	89
PID 3928 wrote to memory of 4356	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	89
PID 3928 wrote to memory of 4356	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	89
PID 3928 wrote to memory of 4356	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	89
PID 3928 wrote to memory of 4356	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	89
PID 3928 wrote to memory of 4356	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	89
PID 3928 wrote to memory of 4356	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	89
PID 3928 wrote to memory of 4356	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	89
PID 3928 wrote to memory of 4356	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	89
PID 3928 wrote to memory of 4356	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	89
PID 3928 wrote to memory of 4356	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	89
PID 3928 wrote to memory of 4356	3928	b545097b070ac19766a36b4617338363_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\b545097b070ac19766a36b4617338363_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b545097b070ac19766a36b4617338363_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3928
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C ren C:\Users\Admin\AppData\Roaming\winlogon winlogon.exe && exit
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2612
- 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:4356

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

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\winlogon

Filesize
918KB

MD5
b545097b070ac19766a36b4617338363

SHA1
bbec26108117802436b079099a357c04296093fc

SHA256
22fe32fd72a901239a5635d4fb6efe588e83812e10590cd64419c612e5649e24

SHA512
1881ae7735e9dda6f87a3aebe4d73ffd303dd0e44c18116f6da7966ecae9d2a91e87f3956e228eaa55abffaf30f080c6bafc1603d8d43d9c2923175722387b97

Download Submit
memory/3928-9-0x0000000074BC0000-0x0000000075171000-memory.dmp

Filesize
5.7MB

Download
memory/3928-1-0x0000000074BC0000-0x0000000075171000-memory.dmp

Filesize
5.7MB

Download
memory/3928-2-0x0000000074BC0000-0x0000000075171000-memory.dmp

Filesize
5.7MB

Download
memory/3928-0-0x0000000074BC2000-0x0000000074BC3000-memory.dmp

Filesize
4KB

Download
memory/4356-16-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-18-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-6-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-10-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-13-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-12-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-11-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-14-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-15-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-5-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-17-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-8-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-19-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-20-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-21-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-22-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-23-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-24-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-26-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-27-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-28-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4356-29-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads