darkcomet | 17a2b57aac91aee6d92c8825635f5a42eefe1081b4d89837c3c72c0bed24fb8a

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
16-02-2025 00:06

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General

Target

JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Size

254KB
MD5

fdacdb5e42a2764ecb7af4feedf8a7de
SHA1

1a4d5c98d6e8ffbdf3b0b71e80632ff5efb9f25c
SHA256

17a2b57aac91aee6d92c8825635f5a42eefe1081b4d89837c3c72c0bed24fb8a
SHA512

05edacea5a42297a735f9c1ed3dd320786d51d9974b96586369e2e750d1cfaa95f8b4659c2dbe7c72e76e5f6cf3afff735ec7e406615793a661d1c7cef59d687
SSDEEP

6144:lcNYS996KFifeVjBpeExgVTFSXFoMc5o3AY4T:lcW7KEZlPowdT

Score

10^/10

darkcomet guest16 defense_evasion discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

alwa7sh-hack.no-ip.org:81

Mutex

DC_MUTEX-Q51XZQG

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
Po9oHU4nPFTV
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe

Modifies firewall policy service 3 TTPs 3 IoCs

defense_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

Disables RegEdit via registry modification 1 IoCs

defense_evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-189444705-1272902858-1305688695-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
defense_evasion

Downloads MZ/PE file 1 IoCs

flow	pid	Process
42	1628	Process not Found

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-189444705-1272902858-1305688695-1000\Control Panel\International\Geo\Nation	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe

Executes dropped EXE 1 IoCs

pid	Process
4668	msdcsc.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-1-5-21-189444705-1272902858-1305688695-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-189444705-1272902858-1305688695-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2812-0-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/files/0x0008000000023e23-7.dat	upx
behavioral2/memory/4668-14-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/2812-16-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4668-22-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4668-23-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4668-24-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4668-25-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4668-26-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4668-27-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4668-28-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4668-29-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4668-30-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4668-31-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4668-32-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4668-33-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4668-34-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4668-35-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4668-36-0x0000000000400000-0x00000000004B8000-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_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

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

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
956	MicrosoftEdgeUpdate.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeSecurityPrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeTakeOwnershipPrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeLoadDriverPrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeSystemProfilePrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeSystemtimePrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeProfSingleProcessPrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeIncBasePriorityPrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeCreatePagefilePrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeBackupPrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeRestorePrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeShutdownPrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeDebugPrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeSystemEnvironmentPrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeChangeNotifyPrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeRemoteShutdownPrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeUndockPrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeManageVolumePrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeImpersonatePrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeCreateGlobalPrivilege	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: 33	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: 34	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: 35	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: 36	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
Token: SeIncreaseQuotaPrivilege	4668	msdcsc.exe
Token: SeSecurityPrivilege	4668	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4668	msdcsc.exe
Token: SeLoadDriverPrivilege	4668	msdcsc.exe
Token: SeSystemProfilePrivilege	4668	msdcsc.exe
Token: SeSystemtimePrivilege	4668	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4668	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4668	msdcsc.exe
Token: SeCreatePagefilePrivilege	4668	msdcsc.exe
Token: SeBackupPrivilege	4668	msdcsc.exe
Token: SeRestorePrivilege	4668	msdcsc.exe
Token: SeShutdownPrivilege	4668	msdcsc.exe
Token: SeDebugPrivilege	4668	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4668	msdcsc.exe
Token: SeChangeNotifyPrivilege	4668	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4668	msdcsc.exe
Token: SeUndockPrivilege	4668	msdcsc.exe
Token: SeManageVolumePrivilege	4668	msdcsc.exe
Token: SeImpersonatePrivilege	4668	msdcsc.exe
Token: SeCreateGlobalPrivilege	4668	msdcsc.exe
Token: 33	4668	msdcsc.exe
Token: 34	4668	msdcsc.exe
Token: 35	4668	msdcsc.exe
Token: 36	4668	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4668	msdcsc.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 4668	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe	91
PID 2812 wrote to memory of 4668	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe	91
PID 2812 wrote to memory of 4668	2812	JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe	91
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92
PID 4668 wrote to memory of 2096	4668	msdcsc.exe	92

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fdacdb5e42a2764ecb7af4feedf8a7de.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:2812
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies firewall policy service
  - Disables RegEdit via registry modification
  - 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:4668
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2096

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI4IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5MjEiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODE5ODA3NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODQ2NjgzMDE3Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:956

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

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
254KB

MD5
fdacdb5e42a2764ecb7af4feedf8a7de

SHA1
1a4d5c98d6e8ffbdf3b0b71e80632ff5efb9f25c

SHA256
17a2b57aac91aee6d92c8825635f5a42eefe1081b4d89837c3c72c0bed24fb8a

SHA512
05edacea5a42297a735f9c1ed3dd320786d51d9974b96586369e2e750d1cfaa95f8b4659c2dbe7c72e76e5f6cf3afff735ec7e406615793a661d1c7cef59d687

Download Submit
memory/2096-18-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

Filesize
4KB

Download
memory/2812-1-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

Filesize
4KB

Download
memory/2812-0-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2812-16-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2812-19-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

Filesize
4KB

Download
memory/4668-24-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4668-29-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4668-22-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4668-23-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4668-14-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4668-25-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4668-26-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4668-27-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4668-28-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4668-17-0x00000000009D0000-0x00000000009D1000-memory.dmp

Filesize
4KB

Download
memory/4668-30-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4668-31-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4668-32-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4668-33-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4668-34-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4668-35-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4668-36-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads