darkcomet | ec4c1d8b7d07b17db8c31b16c0c0af488aae266afaf727c40bdb84eeb69ec44e

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-11-2024 10:47

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General

Target

a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Size

628KB
MD5

a17860f4995ff2c69420d397d8683f0b
SHA1

bba821623df6d4bae9b5401b539e197b7aeecbb6
SHA256

ec4c1d8b7d07b17db8c31b16c0c0af488aae266afaf727c40bdb84eeb69ec44e
SHA512

7b4e0f6f48d46edec41846f703dbad46667ba5ac71b91a786a0d8a0b918c4c714816bc5c108f03994b2dae1a4f757fe225cd65f0a3ccf3e08a16fdfa30b662f9
SSDEEP

12288:Bl62RLeQqWg5CS9Xg9MCOgBC1rD/fJ6E3SCEnZO8XBOMSHcEX0lg:e2RLejJ5J9w9ML1rTfM33hoMNED

Score

10^/10

darkcomet öííé discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

ÖÍíÉ

ehzv.zapto.org:1604

Mutex

DC_MUTEX-EDFVJ7D

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
iVc60K4UGbP9
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

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:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	a17860f4995ff2c69420d397d8683f0b_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

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

Executes dropped EXE 1 IoCs

pid	Process
2784	msdcsc.exe

Loads dropped DLL 7 IoCs

pid	Process
2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
2688	WerFault.exe
2688	WerFault.exe
2688	WerFault.exe
2688	WerFault.exe
2688	WerFault.exe

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\MSDCSC\	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2688	2784	WerFault.exe	31

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeSecurityPrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeBackupPrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeRestorePrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeShutdownPrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeDebugPrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeUndockPrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: 33	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: 34	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: 35	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2784	msdcsc.exe
Token: SeSecurityPrivilege	2784	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2784	msdcsc.exe
Token: SeLoadDriverPrivilege	2784	msdcsc.exe
Token: SeSystemProfilePrivilege	2784	msdcsc.exe
Token: SeSystemtimePrivilege	2784	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2784	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2784	msdcsc.exe
Token: SeCreatePagefilePrivilege	2784	msdcsc.exe
Token: SeBackupPrivilege	2784	msdcsc.exe
Token: SeRestorePrivilege	2784	msdcsc.exe
Token: SeShutdownPrivilege	2784	msdcsc.exe
Token: SeDebugPrivilege	2784	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2784	msdcsc.exe
Token: SeChangeNotifyPrivilege	2784	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2784	msdcsc.exe
Token: SeUndockPrivilege	2784	msdcsc.exe
Token: SeManageVolumePrivilege	2784	msdcsc.exe
Token: SeImpersonatePrivilege	2784	msdcsc.exe
Token: SeCreateGlobalPrivilege	2784	msdcsc.exe
Token: 33	2784	msdcsc.exe
Token: 34	2784	msdcsc.exe
Token: 35	2784	msdcsc.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3068	DllHost.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2784	msdcsc.exe
3068	DllHost.exe
3068	DllHost.exe
3068	DllHost.exe
3068	DllHost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2784	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe	31
PID 2356 wrote to memory of 2784	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe	31
PID 2356 wrote to memory of 2784	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe	31
PID 2356 wrote to memory of 2784	2356	a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe	31
PID 2784 wrote to memory of 2688	2784	msdcsc.exe	32
PID 2784 wrote to memory of 2688	2784	msdcsc.exe	32
PID 2784 wrote to memory of 2688	2784	msdcsc.exe	32
PID 2784 wrote to memory of 2688	2784	msdcsc.exe	32

C:\Users\Admin\AppData\Local\Temp\a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a17860f4995ff2c69420d397d8683f0b_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
  "C:\Windows\system32\MSDCSC\msdcsc.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
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 556
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2688

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3068

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\43285LMADA.JPG

Filesize
14KB

MD5
4b44997a57bb3415bf0b531630627e49

SHA1
db454a03ccec4af3bd4b985d6473181b94e30e57

SHA256
b0bffcf3c67cd6d9ad49393e212901da51275792474c300ff9c98f3990e6b8cf

SHA512
70c7d8f61c9319d76a5e23e87cdf150c9b1a07410f88c9a3eaf0647a43def1324c79fd8cb2b21ca263d5b44f919837ea8062ef77395dffe2a45317838d0a8908

Download Submit
\Windows\SysWOW64\MSDCSC\msdcsc.exe

Filesize
628KB

MD5
a17860f4995ff2c69420d397d8683f0b

SHA1
bba821623df6d4bae9b5401b539e197b7aeecbb6

SHA256
ec4c1d8b7d07b17db8c31b16c0c0af488aae266afaf727c40bdb84eeb69ec44e

SHA512
7b4e0f6f48d46edec41846f703dbad46667ba5ac71b91a786a0d8a0b918c4c714816bc5c108f03994b2dae1a4f757fe225cd65f0a3ccf3e08a16fdfa30b662f9

Download Submit
memory/2356-13-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2356-12-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2356-9-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2356-8-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2356-7-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2356-6-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2356-37-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2356-10-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2356-5-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2356-4-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2356-1-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2356-17-0x0000000004430000-0x0000000004432000-memory.dmp

Filesize
8KB

Download
memory/2356-39-0x0000000000401000-0x0000000000403000-memory.dmp

Filesize
8KB

Download
memory/2356-0-0x0000000000401000-0x0000000000403000-memory.dmp

Filesize
8KB

Download
memory/2356-11-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2356-3-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2784-35-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2784-31-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2784-36-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2784-34-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2784-33-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2784-32-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2784-40-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2784-38-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2784-47-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/3068-19-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/3068-18-0x0000000000160000-0x0000000000162000-memory.dmp

Filesize
8KB

Download
memory/3068-48-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads