darkcomet | e959f60435cca2ae4975b01332aeba8ae4e51a0b09130700c8ed8141c676b5d3

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-10-2024 06:03

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General

Target

5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Size

349KB
MD5

5b30ba2ee3983312f357f3db3a88cbae
SHA1

f7aff06afd941bdb543e2207b3512f5cf30128df
SHA256

e959f60435cca2ae4975b01332aeba8ae4e51a0b09130700c8ed8141c676b5d3
SHA512

04e085abdabbf96a94cfdcbbf39584e318df40134722862e2549a5e312c91c94d924d0d247a9bd6ce52601283850dd69c27b719121e4ad10b4de0c891cb28f49
SSDEEP

6144:AcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37Od/y:AcW7KEZlPzCy37+K

Score

10^/10

darkcomet guest16 discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

zeddnsour.zapto.org:1605

Mutex

DC_MUTEX-3KCU30P

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
e2mQibs06LB5
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

Processes:

5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe

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"	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid	Process
2816	msdcsc.exe

Loads dropped DLL 2 IoCs

Processes:

5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe

pid	Process
2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exemsdcsc.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\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

Processes:

resource	yara_rule
behavioral1/memory/2220-0-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/files/0x0008000000016c89-5.dat	upx
behavioral1/memory/2816-13-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2220-54-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2816-55-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2816-56-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2816-57-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2816-58-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2816-59-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2816-60-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2816-61-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2816-62-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2816-63-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2816-64-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2816-65-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2816-66-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2816-67-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2816-68-0x0000000000400000-0x00000000004E8000-memory.dmp	upx
behavioral1/memory/2816-69-0x0000000000400000-0x00000000004E8000-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 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

Processes:

5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exemsdcsc.exenotepad.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exemsdcsc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeSecurityPrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeBackupPrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeRestorePrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeShutdownPrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeDebugPrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeUndockPrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: 33	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: 34	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: 35	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2816	msdcsc.exe
Token: SeSecurityPrivilege	2816	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2816	msdcsc.exe
Token: SeLoadDriverPrivilege	2816	msdcsc.exe
Token: SeSystemProfilePrivilege	2816	msdcsc.exe
Token: SeSystemtimePrivilege	2816	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2816	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2816	msdcsc.exe
Token: SeCreatePagefilePrivilege	2816	msdcsc.exe
Token: SeBackupPrivilege	2816	msdcsc.exe
Token: SeRestorePrivilege	2816	msdcsc.exe
Token: SeShutdownPrivilege	2816	msdcsc.exe
Token: SeDebugPrivilege	2816	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2816	msdcsc.exe
Token: SeChangeNotifyPrivilege	2816	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2816	msdcsc.exe
Token: SeUndockPrivilege	2816	msdcsc.exe
Token: SeManageVolumePrivilege	2816	msdcsc.exe
Token: SeImpersonatePrivilege	2816	msdcsc.exe
Token: SeCreateGlobalPrivilege	2816	msdcsc.exe
Token: 33	2816	msdcsc.exe
Token: 34	2816	msdcsc.exe
Token: 35	2816	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid	Process
2816	msdcsc.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exemsdcsc.exe

description	pid	Process	procid_target
PID 2220 wrote to memory of 2816	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe	31
PID 2220 wrote to memory of 2816	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe	31
PID 2220 wrote to memory of 2816	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe	31
PID 2220 wrote to memory of 2816	2220	5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe	31
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2716	2816	msdcsc.exe	32

C:\Users\Admin\AppData\Local\Temp\5b30ba2ee3983312f357f3db3a88cbae_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5b30ba2ee3983312f357f3db3a88cbae_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:2220
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\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
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2716

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

Replay Monitor

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Downloads

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

Filesize
349KB

MD5
5b30ba2ee3983312f357f3db3a88cbae

SHA1
f7aff06afd941bdb543e2207b3512f5cf30128df

SHA256
e959f60435cca2ae4975b01332aeba8ae4e51a0b09130700c8ed8141c676b5d3

SHA512
04e085abdabbf96a94cfdcbbf39584e318df40134722862e2549a5e312c91c94d924d0d247a9bd6ce52601283850dd69c27b719121e4ad10b4de0c891cb28f49

Download Submit
memory/2220-54-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2220-1-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2220-0-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2220-11-0x0000000004120000-0x0000000004208000-memory.dmp

Filesize
928KB

Download
memory/2716-15-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2716-53-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2816-57-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2816-61-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2816-56-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2816-13-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2816-58-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2816-59-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2816-60-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2816-55-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2816-62-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2816-63-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2816-64-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2816-65-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2816-66-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2816-67-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2816-68-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2816-69-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download