darkcomet | e77f7308e33f65c60c4583403757b922f60c2b652be673c6f05d3bb8e5cbaebc

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3620	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
2808	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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroSound = "C:\\MSDCSC\\msdcsc.exe"	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroSound = "C:\\MSDCSC\\msdcsc.exe"	msdcsc.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/432-0-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/files/0x000a000000023ba7-7.dat	upx
behavioral2/memory/2808-16-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/432-17-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2808-20-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2808-21-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2808-23-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2808-25-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2808-27-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2808-29-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2808-32-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2808-34-0x0000000000400000-0x00000000004BA000-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 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeSecurityPrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeSystemtimePrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeBackupPrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeRestorePrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeShutdownPrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeDebugPrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeUndockPrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeManageVolumePrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeImpersonatePrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: 33	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: 34	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: 35	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: 36	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2808	msdcsc.exe
Token: SeSecurityPrivilege	2808	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2808	msdcsc.exe
Token: SeLoadDriverPrivilege	2808	msdcsc.exe
Token: SeSystemProfilePrivilege	2808	msdcsc.exe
Token: SeSystemtimePrivilege	2808	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2808	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2808	msdcsc.exe
Token: SeCreatePagefilePrivilege	2808	msdcsc.exe
Token: SeBackupPrivilege	2808	msdcsc.exe
Token: SeRestorePrivilege	2808	msdcsc.exe
Token: SeShutdownPrivilege	2808	msdcsc.exe
Token: SeDebugPrivilege	2808	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2808	msdcsc.exe
Token: SeChangeNotifyPrivilege	2808	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2808	msdcsc.exe
Token: SeUndockPrivilege	2808	msdcsc.exe
Token: SeManageVolumePrivilege	2808	msdcsc.exe
Token: SeImpersonatePrivilege	2808	msdcsc.exe
Token: SeCreateGlobalPrivilege	2808	msdcsc.exe
Token: 33	2808	msdcsc.exe
Token: 34	2808	msdcsc.exe
Token: 35	2808	msdcsc.exe
Token: 36	2808	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2808	msdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 3620	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	82
PID 432 wrote to memory of 2808	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	83
PID 432 wrote to memory of 2808	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	83
PID 432 wrote to memory of 2808	432	dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dcddac42de4c2fc0364b9a343bf1a344_JaffaCakes118.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:432
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3620
- 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:2808

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:\MSDCSC\msdcsc.exe

Filesize
253KB

MD5
dcddac42de4c2fc0364b9a343bf1a344

SHA1
3f328948addf10670e26eb2e400df752c2256c6a

SHA256
e77f7308e33f65c60c4583403757b922f60c2b652be673c6f05d3bb8e5cbaebc

SHA512
5b10125fd3ef4a4a81458cd5d41fdf62bab0b45ec36219be8040a071dca9da3db09f463548902fb1fc55445df3b963f44d021119b36bf5dd32dceba2ef407fb4

Download Submit
memory/432-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/432-1-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

Filesize
4KB

Download
memory/432-0-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2808-18-0x0000000002380000-0x0000000002381000-memory.dmp

Filesize
4KB

Download
memory/2808-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2808-20-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2808-21-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2808-23-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2808-25-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2808-27-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2808-29-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2808-32-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2808-34-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3620-5-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads