darkcomet | e77f7308e33f65c60c4583403757b922f60c2b652be673c6f05d3bb8e5cbaebc

Analysis

max time kernel
140s
max time network
144s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
10-12-2024 03:45

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General

Target

dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Size

253KB
MD5

dcddac42de4c2fc0364b9a343bf1a344
SHA1

3f328948addf10670e26eb2e400df752c2256c6a
SHA256

e77f7308e33f65c60c4583403757b922f60c2b652be673c6f05d3bb8e5cbaebc
SHA512

5b10125fd3ef4a4a81458cd5d41fdf62bab0b45ec36219be8040a071dca9da3db09f463548902fb1fc55445df3b963f44d021119b36bf5dd32dceba2ef407fb4
SSDEEP

6144:7D7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZ:7l8E4w5huat7UovONzbXw

Score

10^/10

darkcomet nuevo discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Nuevo

87.221.49.179:1604

stealht.no-ip.biz:1604

192.168.1.129:1604

127.0.0.1:1604

Mutex

DC_MUTEX-SVYNZJ4

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
bYFqC5Pe6j8A
install
true
offline_keylogger
true
persistence
true
reg_key
MicroSound

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:\\MSDCSC\\msdcsc.exe"	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2556	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
2552	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
1040	dcddac42de4c2fc0364b9a343bf1a344_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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroSound = "C:\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroSound = "C:\\MSDCSC\\msdcsc.exe"	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1040-0-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/files/0x0008000000016875-28.dat	upx
behavioral1/memory/1040-37-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2552-40-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2552-41-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2552-43-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2552-44-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2552-46-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2552-48-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2552-50-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2552-52-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2552-55-0x0000000000400000-0x00000000004BA000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeSecurityPrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeBackupPrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeRestorePrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeShutdownPrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeDebugPrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeUndockPrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: 33	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: 34	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: 35	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2552	msdcsc.exe
Token: SeSecurityPrivilege	2552	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2552	msdcsc.exe
Token: SeLoadDriverPrivilege	2552	msdcsc.exe
Token: SeSystemProfilePrivilege	2552	msdcsc.exe
Token: SeSystemtimePrivilege	2552	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2552	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2552	msdcsc.exe
Token: SeCreatePagefilePrivilege	2552	msdcsc.exe
Token: SeBackupPrivilege	2552	msdcsc.exe
Token: SeRestorePrivilege	2552	msdcsc.exe
Token: SeShutdownPrivilege	2552	msdcsc.exe
Token: SeDebugPrivilege	2552	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2552	msdcsc.exe
Token: SeChangeNotifyPrivilege	2552	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2552	msdcsc.exe
Token: SeUndockPrivilege	2552	msdcsc.exe
Token: SeManageVolumePrivilege	2552	msdcsc.exe
Token: SeImpersonatePrivilege	2552	msdcsc.exe
Token: SeCreateGlobalPrivilege	2552	msdcsc.exe
Token: 33	2552	msdcsc.exe
Token: 34	2552	msdcsc.exe
Token: 35	2552	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2552	msdcsc.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2556	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	30
PID 1040 wrote to memory of 2552	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	31
PID 1040 wrote to memory of 2552	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	31
PID 1040 wrote to memory of 2552	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	31
PID 1040 wrote to memory of 2552	1040	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dcddac42de4c2fc0364b9a343bf1a344_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:1040
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2556
- C:\MSDCSC\msdcsc.exe
  "C:\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:2552

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

\MSDCSC\msdcsc.exe

Filesize
253KB

MD5
dcddac42de4c2fc0364b9a343bf1a344

SHA1
3f328948addf10670e26eb2e400df752c2256c6a

SHA256
e77f7308e33f65c60c4583403757b922f60c2b652be673c6f05d3bb8e5cbaebc

SHA512
5b10125fd3ef4a4a81458cd5d41fdf62bab0b45ec36219be8040a071dca9da3db09f463548902fb1fc55445df3b963f44d021119b36bf5dd32dceba2ef407fb4

Download Submit
memory/1040-35-0x0000000003750000-0x000000000380A000-memory.dmp

Filesize
744KB

Download
memory/1040-1-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/1040-0-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1040-37-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2552-40-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2552-38-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2552-42-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2552-41-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2552-43-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2552-44-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2552-46-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2552-48-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2552-50-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2552-52-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2552-55-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2556-26-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/2556-5-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads