darkcomet | e42c9f7fcb82b48b7ac2e9204f7cde48d434c8465de2096b20f05577ffe95b7c

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 02:31

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General

Target

bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Size

755KB
MD5

bb528c3ea8d0f3092ae05bf9826f2535
SHA1

08fe7c0a3cfaae422cfb21c171f080ec27c1d276
SHA256

e42c9f7fcb82b48b7ac2e9204f7cde48d434c8465de2096b20f05577ffe95b7c
SHA512

a9640aee50e188e27933ef219a719f14c6eb9a5cad6b0a23e6ad47688c4618c3a090f63c0ab9d028b7c386340ba0d68e8df472cecd34e8321b7aa5d736ddb2ef
SSDEEP

12288:CFLlJnnbWOtz6sVJhvaz1Qc/WdI//vfM4qwrbkniafLo6vUTyl0w/q9jJ1:G3nbWmJVJFwSddIXvfhqbiaxvRxq9

Score

10^/10

darkcomet latentbot discovery evasion persistence rat trojan

Malware Config

Extracted

Family

latentbot

leztinhcsnetup.zapto.org

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\MSC\\21\\svchost.exe"	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

svchost.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	svchost.exe

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:

bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid	Process
4928	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exesvchost.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\MSC\\21\\svchost.exe"	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\MSC\\21\\svchost.exe"	svchost.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 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

Processes:

bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exesvchost.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exesvchost.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeSecurityPrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeBackupPrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeRestorePrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeShutdownPrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeDebugPrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeUndockPrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: 33	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: 34	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: 35	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: 36	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4928	svchost.exe
Token: SeSecurityPrivilege	4928	svchost.exe
Token: SeTakeOwnershipPrivilege	4928	svchost.exe
Token: SeLoadDriverPrivilege	4928	svchost.exe
Token: SeSystemProfilePrivilege	4928	svchost.exe
Token: SeSystemtimePrivilege	4928	svchost.exe
Token: SeProfSingleProcessPrivilege	4928	svchost.exe
Token: SeIncBasePriorityPrivilege	4928	svchost.exe
Token: SeCreatePagefilePrivilege	4928	svchost.exe
Token: SeBackupPrivilege	4928	svchost.exe
Token: SeRestorePrivilege	4928	svchost.exe
Token: SeShutdownPrivilege	4928	svchost.exe
Token: SeDebugPrivilege	4928	svchost.exe
Token: SeSystemEnvironmentPrivilege	4928	svchost.exe
Token: SeChangeNotifyPrivilege	4928	svchost.exe
Token: SeRemoteShutdownPrivilege	4928	svchost.exe
Token: SeUndockPrivilege	4928	svchost.exe
Token: SeManageVolumePrivilege	4928	svchost.exe
Token: SeImpersonatePrivilege	4928	svchost.exe
Token: SeCreateGlobalPrivilege	4928	svchost.exe
Token: 33	4928	svchost.exe
Token: 34	4928	svchost.exe
Token: 35	4928	svchost.exe
Token: 36	4928	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid	Process
4928	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe

description	pid	Process	procid_target
PID 3344 wrote to memory of 4928	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe	83
PID 3344 wrote to memory of 4928	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe	83
PID 3344 wrote to memory of 4928	3344	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Users\Admin\AppData\Roaming\MSC\21\svchost.exe
  "C:\Users\Admin\AppData\Roaming\MSC\21\svchost.exe"
  2⤵
  - Modifies firewall policy service
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4928

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\MSC\21\svchost.exe

Filesize
755KB

MD5
bb528c3ea8d0f3092ae05bf9826f2535

SHA1
08fe7c0a3cfaae422cfb21c171f080ec27c1d276

SHA256
e42c9f7fcb82b48b7ac2e9204f7cde48d434c8465de2096b20f05577ffe95b7c

SHA512
a9640aee50e188e27933ef219a719f14c6eb9a5cad6b0a23e6ad47688c4618c3a090f63c0ab9d028b7c386340ba0d68e8df472cecd34e8321b7aa5d736ddb2ef

Download Submit
memory/3344-0-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/3344-13-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4928-19-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4928-21-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4928-16-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4928-17-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4928-18-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4928-14-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/4928-20-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4928-15-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4928-22-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4928-23-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4928-24-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4928-25-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4928-26-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4928-27-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4928-28-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download