darkcomet | e42c9f7fcb82b48b7ac2e9204f7cde48d434c8465de2096b20f05577ffe95b7c

Analysis

max time kernel
137s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
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
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid	Process
3052	svchost.exe

Loads dropped DLL 2 IoCs

Processes:

bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe

pid	Process
1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\MSC\\21\\svchost.exe"	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\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 46 IoCs

Processes:

bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exesvchost.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeSecurityPrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeBackupPrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeRestorePrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeShutdownPrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeDebugPrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeUndockPrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: 33	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: 34	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: 35	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3052	svchost.exe
Token: SeSecurityPrivilege	3052	svchost.exe
Token: SeTakeOwnershipPrivilege	3052	svchost.exe
Token: SeLoadDriverPrivilege	3052	svchost.exe
Token: SeSystemProfilePrivilege	3052	svchost.exe
Token: SeSystemtimePrivilege	3052	svchost.exe
Token: SeProfSingleProcessPrivilege	3052	svchost.exe
Token: SeIncBasePriorityPrivilege	3052	svchost.exe
Token: SeCreatePagefilePrivilege	3052	svchost.exe
Token: SeBackupPrivilege	3052	svchost.exe
Token: SeRestorePrivilege	3052	svchost.exe
Token: SeShutdownPrivilege	3052	svchost.exe
Token: SeDebugPrivilege	3052	svchost.exe
Token: SeSystemEnvironmentPrivilege	3052	svchost.exe
Token: SeChangeNotifyPrivilege	3052	svchost.exe
Token: SeRemoteShutdownPrivilege	3052	svchost.exe
Token: SeUndockPrivilege	3052	svchost.exe
Token: SeManageVolumePrivilege	3052	svchost.exe
Token: SeImpersonatePrivilege	3052	svchost.exe
Token: SeCreateGlobalPrivilege	3052	svchost.exe
Token: 33	3052	svchost.exe
Token: 34	3052	svchost.exe
Token: 35	3052	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid	Process
3052	svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe

description	pid	Process	procid_target
PID 1984 wrote to memory of 3052	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe	30
PID 1984 wrote to memory of 3052	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe	30
PID 1984 wrote to memory of 3052	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe	30
PID 1984 wrote to memory of 3052	1984	bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bb528c3ea8d0f3092ae05bf9826f2535_JaffaCakes118.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:1984
- 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:3052

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

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

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

Filesize
755KB

MD5
bb528c3ea8d0f3092ae05bf9826f2535

SHA1
08fe7c0a3cfaae422cfb21c171f080ec27c1d276

SHA256
e42c9f7fcb82b48b7ac2e9204f7cde48d434c8465de2096b20f05577ffe95b7c

SHA512
a9640aee50e188e27933ef219a719f14c6eb9a5cad6b0a23e6ad47688c4618c3a090f63c0ab9d028b7c386340ba0d68e8df472cecd34e8321b7aa5d736ddb2ef

Download Submit
memory/1984-11-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1984-0-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/3052-17-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3052-19-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3052-14-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3052-15-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3052-16-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3052-12-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/3052-18-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3052-13-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3052-20-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3052-21-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3052-22-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3052-23-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3052-24-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3052-25-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3052-26-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download