darkcomet | 08057b729ad21b690a8a7130c81684b7635beb9f692520a081c926b21d3cbca3

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 10:21

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General

Target

f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe
Size

1.4MB
MD5

f38dd1bc726b59e23dfaac331981349f
SHA1

6e9a25eeff4f7e6e3e9b1ed4314eff886433aff9
SHA256

08057b729ad21b690a8a7130c81684b7635beb9f692520a081c926b21d3cbca3
SHA512

a17d5a0e912bc0bca35679c20ddd908c3e8a69705fc1096ac497178d396b23ad94d72de66ece1098968c7a00e1a1ac0bd853dd33e93c6da51436b6b0cd905502
SSDEEP

24576:0aHMv6CorjqnyC8llDnsHDumtkowIN/Vfy2t+G5ezJ52bLlL:01vqjdC8rDsH7tkowQtq2t+GQ4lL

Score

10^/10

darkcomet m&m discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

M&M

nikagogichaishvili.no-ip.info:1604

Mutex

DC_MUTEX-98H0DN8

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
nn4atqrKN3Pk
install
true
offline_keylogger
true
persistence
true
reg_key
svchost

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"	uncrypted.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	uncrypted.exe

Executes dropped EXE 2 IoCs

pid	Process
2544	uncrypted.exe
396	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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	uncrypted.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	msdcsc.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1320-0-0x0000000000400000-0x00000000004E4000-memory.dmp	autoit_exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	uncrypted.exe
File opened for modification	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	uncrypted.exe
File opened for modification	C:\Windows\SysWOW64\MSDCSC\	uncrypted.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 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	uncrypted.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	uncrypted.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2544	uncrypted.exe
Token: SeSecurityPrivilege	2544	uncrypted.exe
Token: SeTakeOwnershipPrivilege	2544	uncrypted.exe
Token: SeLoadDriverPrivilege	2544	uncrypted.exe
Token: SeSystemProfilePrivilege	2544	uncrypted.exe
Token: SeSystemtimePrivilege	2544	uncrypted.exe
Token: SeProfSingleProcessPrivilege	2544	uncrypted.exe
Token: SeIncBasePriorityPrivilege	2544	uncrypted.exe
Token: SeCreatePagefilePrivilege	2544	uncrypted.exe
Token: SeBackupPrivilege	2544	uncrypted.exe
Token: SeRestorePrivilege	2544	uncrypted.exe
Token: SeShutdownPrivilege	2544	uncrypted.exe
Token: SeDebugPrivilege	2544	uncrypted.exe
Token: SeSystemEnvironmentPrivilege	2544	uncrypted.exe
Token: SeChangeNotifyPrivilege	2544	uncrypted.exe
Token: SeRemoteShutdownPrivilege	2544	uncrypted.exe
Token: SeUndockPrivilege	2544	uncrypted.exe
Token: SeManageVolumePrivilege	2544	uncrypted.exe
Token: SeImpersonatePrivilege	2544	uncrypted.exe
Token: SeCreateGlobalPrivilege	2544	uncrypted.exe
Token: 33	2544	uncrypted.exe
Token: 34	2544	uncrypted.exe
Token: 35	2544	uncrypted.exe
Token: 36	2544	uncrypted.exe
Token: SeIncreaseQuotaPrivilege	396	msdcsc.exe
Token: SeSecurityPrivilege	396	msdcsc.exe
Token: SeTakeOwnershipPrivilege	396	msdcsc.exe
Token: SeLoadDriverPrivilege	396	msdcsc.exe
Token: SeSystemProfilePrivilege	396	msdcsc.exe
Token: SeSystemtimePrivilege	396	msdcsc.exe
Token: SeProfSingleProcessPrivilege	396	msdcsc.exe
Token: SeIncBasePriorityPrivilege	396	msdcsc.exe
Token: SeCreatePagefilePrivilege	396	msdcsc.exe
Token: SeBackupPrivilege	396	msdcsc.exe
Token: SeRestorePrivilege	396	msdcsc.exe
Token: SeShutdownPrivilege	396	msdcsc.exe
Token: SeDebugPrivilege	396	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	396	msdcsc.exe
Token: SeChangeNotifyPrivilege	396	msdcsc.exe
Token: SeRemoteShutdownPrivilege	396	msdcsc.exe
Token: SeUndockPrivilege	396	msdcsc.exe
Token: SeManageVolumePrivilege	396	msdcsc.exe
Token: SeImpersonatePrivilege	396	msdcsc.exe
Token: SeCreateGlobalPrivilege	396	msdcsc.exe
Token: 33	396	msdcsc.exe
Token: 34	396	msdcsc.exe
Token: 35	396	msdcsc.exe
Token: 36	396	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
396	msdcsc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 2544	1320	f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe	82
PID 1320 wrote to memory of 2544	1320	f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe	82
PID 1320 wrote to memory of 2544	1320	f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe	82
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 476	2544	uncrypted.exe	84
PID 2544 wrote to memory of 396	2544	uncrypted.exe	85
PID 2544 wrote to memory of 396	2544	uncrypted.exe	85
PID 2544 wrote to memory of 396	2544	uncrypted.exe	85

C:\Users\Admin\AppData\Local\Temp\f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f38dd1bc726b59e23dfaac331981349f_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Users\Admin\AppData\Local\Temp\uncrypted.exe
  "C:\Users\Admin\AppData\Local\Temp\uncrypted.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:476
- - C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
    "C:\Windows\system32\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:396

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\autBC0C.tmp

Filesize
658KB

MD5
25b50d5bfcc64eefed6923996eac9263

SHA1
3d21f19f1f80b0a769e5dc740da6be77ff493e97

SHA256
f308102b56a1df121be5b061d6682450e99a2d5c5f2534f3aa8e8f9755585efa

SHA512
8e3df0fe8d2c426852f9e6f0a3e68c874f426a44b01a8ca93bed16647818fd835f6069a3de0a843eb88176c9ffc63b7ab3efe5e45ba856ff5bd0207f4050491f

Download Submit
C:\Users\Admin\AppData\Local\Temp\uncrypted.exe

Filesize
658KB

MD5
311eb91a09dded4b45ef968d5f4cd392

SHA1
cbf4b49206369fe2754859a3b9f39bed587f2abd

SHA256
fc3d9eb6b9997e3aad2e69cd4ef8fb3c874568908b36d7a72bc88e12af7be404

SHA512
2d9e8150d4698f83069c4f69c1651c397711548a21e1a848237d6b905bf3828417a083a8ff16bc4212e6599084af8aef1b97eab468e1b9dfc7e4fd35baf106b9

Download Submit
memory/396-93-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/396-89-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/396-97-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/396-96-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/396-84-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/396-85-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/396-86-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/396-87-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/396-88-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/396-95-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/396-90-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/396-91-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/396-92-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/396-94-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/476-23-0x0000000001170000-0x0000000001171000-memory.dmp

Filesize
4KB

Download
memory/1320-0-0x0000000000400000-0x00000000004E4000-memory.dmp

Filesize
912KB

Download
memory/2544-20-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/2544-82-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads