darkcomet | 4ba1e723f51be5955e65500686d272bdb02fbb214e045d0fa78988ed62632f10

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 07:35

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General

Target

c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Size

628KB
MD5

c182330646efeee20ef10d6530c69498
SHA1

10cdd9bd7c74518c21474377734d531fc27ed3cc
SHA256

4ba1e723f51be5955e65500686d272bdb02fbb214e045d0fa78988ed62632f10
SHA512

bfe90ea2a037c71a59cdffebe6879c36a23e11f037481bbc3d93c30c2016c8710b76386309c6ce36afcc19415c0543a9806a74ba3d4bfc3ab76c6a0cd4eedb12
SSDEEP

12288:3OvkDpnp0t8uejbO4PfLPBCMlQ8BLej8elM:ecFnpiCjbTfz1y8Qj4

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
Mc4FHhKogGQ9
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"	c182330646efeee20ef10d6530c69498_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
2396	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\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\	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	c182330646efeee20ef10d6530c69498_JaffaCakes118.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeSecurityPrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeBackupPrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeRestorePrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeShutdownPrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeDebugPrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeUndockPrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: 33	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: 34	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: 35	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2396	msdcsc.exe
Token: SeSecurityPrivilege	2396	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2396	msdcsc.exe
Token: SeLoadDriverPrivilege	2396	msdcsc.exe
Token: SeSystemProfilePrivilege	2396	msdcsc.exe
Token: SeSystemtimePrivilege	2396	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2396	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2396	msdcsc.exe
Token: SeCreatePagefilePrivilege	2396	msdcsc.exe
Token: SeBackupPrivilege	2396	msdcsc.exe
Token: SeRestorePrivilege	2396	msdcsc.exe
Token: SeShutdownPrivilege	2396	msdcsc.exe
Token: SeDebugPrivilege	2396	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2396	msdcsc.exe
Token: SeChangeNotifyPrivilege	2396	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2396	msdcsc.exe
Token: SeUndockPrivilege	2396	msdcsc.exe
Token: SeManageVolumePrivilege	2396	msdcsc.exe
Token: SeImpersonatePrivilege	2396	msdcsc.exe
Token: SeCreateGlobalPrivilege	2396	msdcsc.exe
Token: 33	2396	msdcsc.exe
Token: 34	2396	msdcsc.exe
Token: 35	2396	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2396	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2396	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe	31
PID 2320 wrote to memory of 2396	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe	31
PID 2320 wrote to memory of 2396	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe	31
PID 2320 wrote to memory of 2396	2320	c182330646efeee20ef10d6530c69498_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\c182330646efeee20ef10d6530c69498_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c182330646efeee20ef10d6530c69498_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:2320
- 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
  PID:2396

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

\Windows\SysWOW64\MSDCSC\msdcsc.exe

Filesize
628KB

MD5
c182330646efeee20ef10d6530c69498

SHA1
10cdd9bd7c74518c21474377734d531fc27ed3cc

SHA256
4ba1e723f51be5955e65500686d272bdb02fbb214e045d0fa78988ed62632f10

SHA512
bfe90ea2a037c71a59cdffebe6879c36a23e11f037481bbc3d93c30c2016c8710b76386309c6ce36afcc19415c0543a9806a74ba3d4bfc3ab76c6a0cd4eedb12

Download Submit
memory/2320-9-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2320-8-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2320-7-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2320-6-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2320-5-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2320-0-0x0000000000401000-0x0000000000403000-memory.dmp

Filesize
8KB

Download
memory/2320-4-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2320-11-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2320-10-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2320-3-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2320-2-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2320-1-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2320-30-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-29-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-36-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-26-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-28-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-25-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-24-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-31-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-32-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-33-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-34-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-35-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-27-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-37-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-38-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-39-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-40-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-41-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-42-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-43-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-44-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-45-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2396-46-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads