darkcomet | f11654eab679b3d77ec8f6ff5f0d32cf06d7b8874f8e92f01da53000f1148745

Analysis

max time kernel
142s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/10/2024, 21:46

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General

Target

25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Size

304KB
MD5

25e93a1b507fb59fb54e34110c09d3b2
SHA1

9467c2acff207f500b6c8c87ae418af90efb447b
SHA256

f11654eab679b3d77ec8f6ff5f0d32cf06d7b8874f8e92f01da53000f1148745
SHA512

163ed86c28d496447e04e2713d5ce32486696cde923e65ec341a9bba2f1cc363b60e499ae6b57cc77476c1a1f21d31ab28eb58bdf1d35523eb9b49240b309960
SSDEEP

6144:c4UodkM6M0rJbP6QxdPi89vlNTimmv0eQLMCX1izZ9nKNlUIXXp7zpaAy:rGfh685i8HtSvXsMgizZYkA7laAy

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

mkidech.zapto.org:1604

Mutex

DC_MUTEX-NB20Q2J

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
STjsNl3PnbGg
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

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\\Desktop\\MSDCSC\\msdcsc.exe"	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2804	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
2952	25e93a1b507fb59fb54e34110c09d3b2_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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe"	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe"	msdcsc.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	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeSecurityPrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeBackupPrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeRestorePrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeShutdownPrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeDebugPrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeUndockPrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: 33	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: 34	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: 35	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2804	msdcsc.exe
Token: SeSecurityPrivilege	2804	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2804	msdcsc.exe
Token: SeLoadDriverPrivilege	2804	msdcsc.exe
Token: SeSystemProfilePrivilege	2804	msdcsc.exe
Token: SeSystemtimePrivilege	2804	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2804	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2804	msdcsc.exe
Token: SeCreatePagefilePrivilege	2804	msdcsc.exe
Token: SeBackupPrivilege	2804	msdcsc.exe
Token: SeRestorePrivilege	2804	msdcsc.exe
Token: SeShutdownPrivilege	2804	msdcsc.exe
Token: SeDebugPrivilege	2804	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2804	msdcsc.exe
Token: SeChangeNotifyPrivilege	2804	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2804	msdcsc.exe
Token: SeUndockPrivilege	2804	msdcsc.exe
Token: SeManageVolumePrivilege	2804	msdcsc.exe
Token: SeImpersonatePrivilege	2804	msdcsc.exe
Token: SeCreateGlobalPrivilege	2804	msdcsc.exe
Token: 33	2804	msdcsc.exe
Token: 34	2804	msdcsc.exe
Token: 35	2804	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2804	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 2804	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe	29
PID 2952 wrote to memory of 2804	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe	29
PID 2952 wrote to memory of 2804	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe	29
PID 2952 wrote to memory of 2804	2952	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\25e93a1b507fb59fb54e34110c09d3b2_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:2952
- C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2804

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

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

\Users\Admin\Desktop\MSDCSC\msdcsc.exe

Filesize
304KB

MD5
25e93a1b507fb59fb54e34110c09d3b2

SHA1
9467c2acff207f500b6c8c87ae418af90efb447b

SHA256
f11654eab679b3d77ec8f6ff5f0d32cf06d7b8874f8e92f01da53000f1148745

SHA512
163ed86c28d496447e04e2713d5ce32486696cde923e65ec341a9bba2f1cc363b60e499ae6b57cc77476c1a1f21d31ab28eb58bdf1d35523eb9b49240b309960

Download Submit
memory/2804-18-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2804-20-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2804-33-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2804-30-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2804-29-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2804-17-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2804-27-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2804-25-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2804-23-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2804-21-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2804-19-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2952-2-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2952-0-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2952-13-0x0000000003560000-0x0000000003635000-memory.dmp

Filesize
852KB

Download
memory/2952-15-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2952-1-0x00000000004B5000-0x00000000004B7000-memory.dmp

Filesize
8KB

Download
memory/2952-3-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads