darkcomet | 131b8c954a6dda5275a42067ad1c60e71b0c9c192281eb81b11ef68865f08a75

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
29-11-2024 18:25

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General

Target

b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Size

894KB
MD5

b30d655aefc52618b2a7e6e3e13de11f
SHA1

4ed6181c465ee67cc86af3abbfd8f98aa4be009b
SHA256

131b8c954a6dda5275a42067ad1c60e71b0c9c192281eb81b11ef68865f08a75
SHA512

58909a6ecb983ef4bcfff1598986a03cacc157f0b1e83d5222fa9cc5afdb2b214cde9ce04af3f655c1f28c7860a2b967df326c655459e7d331a5d3919f51272f
SSDEEP

12288:89HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hK3cwgBb:QZ1xuVVjfFoynPaVBUR8f+kN10EBvv

Score

10^/10

darkcomet latentbot windowscvtrell discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

windowscvtrell

anonymedeskype81.zapto.org:1500

Mutex

DC_MUTEX-BU1D65U

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
2HVjF5Bcnmu5
install
true
offline_keylogger
true
persistence
false
reg_key
windowscvtrell

Extracted

Family

latentbot

anonymedeskype81.zapto.org

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet
LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot
Latentbot family
latentbot

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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2924	attrib.exe
740	attrib.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3384	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
4264	msdcsc.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\windowscvtrell = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.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 8 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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4264	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeSecurityPrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeBackupPrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeRestorePrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeShutdownPrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeDebugPrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeUndockPrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: 33	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: 34	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: 35	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: 36	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4264	msdcsc.exe
Token: SeSecurityPrivilege	4264	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4264	msdcsc.exe
Token: SeLoadDriverPrivilege	4264	msdcsc.exe
Token: SeSystemProfilePrivilege	4264	msdcsc.exe
Token: SeSystemtimePrivilege	4264	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4264	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4264	msdcsc.exe
Token: SeCreatePagefilePrivilege	4264	msdcsc.exe
Token: SeBackupPrivilege	4264	msdcsc.exe
Token: SeRestorePrivilege	4264	msdcsc.exe
Token: SeShutdownPrivilege	4264	msdcsc.exe
Token: SeDebugPrivilege	4264	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4264	msdcsc.exe
Token: SeChangeNotifyPrivilege	4264	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4264	msdcsc.exe
Token: SeUndockPrivilege	4264	msdcsc.exe
Token: SeManageVolumePrivilege	4264	msdcsc.exe
Token: SeImpersonatePrivilege	4264	msdcsc.exe
Token: SeCreateGlobalPrivilege	4264	msdcsc.exe
Token: 33	4264	msdcsc.exe
Token: 34	4264	msdcsc.exe
Token: 35	4264	msdcsc.exe
Token: 36	4264	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4264	msdcsc.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 4476	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	85
PID 2292 wrote to memory of 4476	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	85
PID 2292 wrote to memory of 4476	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	85
PID 2292 wrote to memory of 2408	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	87
PID 2292 wrote to memory of 2408	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	87
PID 2292 wrote to memory of 2408	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	87
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 3384	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	88
PID 2292 wrote to memory of 4264	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	90
PID 2292 wrote to memory of 4264	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	90
PID 2292 wrote to memory of 4264	2292	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	90
PID 2408 wrote to memory of 2924	2408	cmd.exe	91
PID 2408 wrote to memory of 2924	2408	cmd.exe	91
PID 2408 wrote to memory of 2924	2408	cmd.exe	91
PID 4476 wrote to memory of 740	4476	cmd.exe	92
PID 4476 wrote to memory of 740	4476	cmd.exe	92
PID 4476 wrote to memory of 740	4476	cmd.exe	92
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93
PID 4264 wrote to memory of 2084	4264	msdcsc.exe	93

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2924	attrib.exe
740	attrib.exe

C:\Users\Admin\AppData\Local\Temp\b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b30d655aefc52618b2a7e6e3e13de11f_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:2292
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4476
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2408
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2924
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3384
- C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
  2⤵
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4264
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2084

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

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:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe

Filesize
894KB

MD5
b30d655aefc52618b2a7e6e3e13de11f

SHA1
4ed6181c465ee67cc86af3abbfd8f98aa4be009b

SHA256
131b8c954a6dda5275a42067ad1c60e71b0c9c192281eb81b11ef68865f08a75

SHA512
58909a6ecb983ef4bcfff1598986a03cacc157f0b1e83d5222fa9cc5afdb2b214cde9ce04af3f655c1f28c7860a2b967df326c655459e7d331a5d3919f51272f

Download Submit
memory/2084-15-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2292-16-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2292-0-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/3384-3-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/4264-22-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4264-24-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4264-19-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4264-20-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4264-21-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4264-14-0x0000000002300000-0x0000000002301000-memory.dmp

Filesize
4KB

Download
memory/4264-23-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4264-18-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4264-25-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4264-26-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4264-27-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4264-28-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4264-29-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4264-30-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4264-31-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads