darkcomet | 141606dc58e0d2ff01159aa4b12365e989e82fe4e1d42f672d821573e46d16ec

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
15/03/2025, 20:15

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General

Target

JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Size

278KB
MD5

77c931b93ed82c1694767135d8f7cb03
SHA1

18a588300c72115d7f37f0cc6a252c34622ca361
SHA256

141606dc58e0d2ff01159aa4b12365e989e82fe4e1d42f672d821573e46d16ec
SHA512

f6330cb7dd4436ef1f9f00897d2ca25f6c3e46bec4f6509a01e4966aca097d8d97b097c58973fc6c47ee445aa54e436224d21a4925aac351010df59ca413caa3
SSDEEP

6144:DUc8SY8u+rv6Kl9QFhC6z3sbS4P2UI9icyXV13kPKuzGnVAe+Tl:DUcrY8driIQHG2D1axkPKdp+Tl

Score

10^/10

darkcomet 1 discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

aha76.no-ip.biz:1604

Mutex

DC_MUTEX-XW33WU1

Attributes

InstallPath
temp\svchost.exe
gencode
�Wob.izocarn
install
true
offline_keylogger
false
password
a1x8a76
persistence
false

rc4.plain

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\temp\\svchost.exe"	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe

Deletes itself 1 IoCs

pid	Process
2424	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2584	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.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-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "C:\\temp\\svchost.exe"	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1776-0-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/files/0x0008000000015ce8-5.dat	upx
behavioral1/memory/1776-12-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-15-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/1776-17-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-18-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-19-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-20-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-21-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-22-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-23-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-24-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-25-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-26-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-27-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-28-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-29-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-30-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-31-0x0000000000400000-0x00000000004CB000-memory.dmp	upx
behavioral1/memory/2584-32-0x0000000000400000-0x00000000004CB000-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 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	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2424	cmd.exe
2768	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2768	PING.EXE

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeSecurityPrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeTakeOwnershipPrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeLoadDriverPrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeSystemProfilePrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeSystemtimePrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeProfSingleProcessPrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeIncBasePriorityPrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeCreatePagefilePrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeBackupPrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeRestorePrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeShutdownPrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeDebugPrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeSystemEnvironmentPrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeChangeNotifyPrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeRemoteShutdownPrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeUndockPrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeManageVolumePrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeImpersonatePrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeCreateGlobalPrivilege	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: 33	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: 34	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: 35	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
Token: SeIncreaseQuotaPrivilege	2584	svchost.exe
Token: SeSecurityPrivilege	2584	svchost.exe
Token: SeTakeOwnershipPrivilege	2584	svchost.exe
Token: SeLoadDriverPrivilege	2584	svchost.exe
Token: SeSystemProfilePrivilege	2584	svchost.exe
Token: SeSystemtimePrivilege	2584	svchost.exe
Token: SeProfSingleProcessPrivilege	2584	svchost.exe
Token: SeIncBasePriorityPrivilege	2584	svchost.exe
Token: SeCreatePagefilePrivilege	2584	svchost.exe
Token: SeBackupPrivilege	2584	svchost.exe
Token: SeRestorePrivilege	2584	svchost.exe
Token: SeShutdownPrivilege	2584	svchost.exe
Token: SeDebugPrivilege	2584	svchost.exe
Token: SeSystemEnvironmentPrivilege	2584	svchost.exe
Token: SeChangeNotifyPrivilege	2584	svchost.exe
Token: SeRemoteShutdownPrivilege	2584	svchost.exe
Token: SeUndockPrivilege	2584	svchost.exe
Token: SeManageVolumePrivilege	2584	svchost.exe
Token: SeImpersonatePrivilege	2584	svchost.exe
Token: SeCreateGlobalPrivilege	2584	svchost.exe
Token: 33	2584	svchost.exe
Token: 34	2584	svchost.exe
Token: 35	2584	svchost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 2584	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe	31
PID 1776 wrote to memory of 2584	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe	31
PID 1776 wrote to memory of 2584	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe	31
PID 1776 wrote to memory of 2584	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe	31
PID 1776 wrote to memory of 2424	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe	32
PID 1776 wrote to memory of 2424	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe	32
PID 1776 wrote to memory of 2424	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe	32
PID 1776 wrote to memory of 2424	1776	JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe	32
PID 2424 wrote to memory of 2768	2424	cmd.exe	34
PID 2424 wrote to memory of 2768	2424	cmd.exe	34
PID 2424 wrote to memory of 2768	2424	cmd.exe	34
PID 2424 wrote to memory of 2768	2424	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776
- C:\temp\svchost.exe
  "C:\temp\svchost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2584
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77c931b93ed82c1694767135d8f7cb03.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 5
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\temp\svchost.exe

Filesize
278KB

MD5
77c931b93ed82c1694767135d8f7cb03

SHA1
18a588300c72115d7f37f0cc6a252c34622ca361

SHA256
141606dc58e0d2ff01159aa4b12365e989e82fe4e1d42f672d821573e46d16ec

SHA512
f6330cb7dd4436ef1f9f00897d2ca25f6c3e46bec4f6509a01e4966aca097d8d97b097c58973fc6c47ee445aa54e436224d21a4925aac351010df59ca413caa3

Download Submit
memory/1776-17-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1776-1-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1776-12-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1776-0-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1776-14-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1776-7-0x0000000003E00000-0x0000000003ECB000-memory.dmp

Filesize
812KB

Download
memory/2584-20-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2584-24-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2584-19-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2584-15-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2584-21-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2584-22-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2584-23-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2584-18-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2584-25-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2584-26-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2584-27-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2584-28-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2584-29-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2584-30-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2584-31-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2584-32-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads