darkcomet | 131b8c954a6dda5275a42067ad1c60e71b0c9c192281eb81b11ef68865f08a75

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

Processes:

b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe

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

Processes:

msdcsc.exe

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

Processes:

attrib.exeattrib.exe

pid	Process
2684	attrib.exe
2676	attrib.exe

Deletes itself 1 IoCs

Processes:

notepad.exe

pid	Process
2452	notepad.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid	Process
2716	msdcsc.exe

Loads dropped DLL 2 IoCs

Processes:

b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe

pid	Process
2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

msdcsc.exe

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

Processes:

b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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

Processes:

cmd.exemsdcsc.execmd.exeattrib.exenotepad.exeattrib.exeb30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exenotepad.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid	Process
2716	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exemsdcsc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeSecurityPrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeBackupPrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeRestorePrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeShutdownPrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeDebugPrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeUndockPrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: 33	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: 34	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: 35	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2716	msdcsc.exe
Token: SeSecurityPrivilege	2716	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2716	msdcsc.exe
Token: SeLoadDriverPrivilege	2716	msdcsc.exe
Token: SeSystemProfilePrivilege	2716	msdcsc.exe
Token: SeSystemtimePrivilege	2716	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2716	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2716	msdcsc.exe
Token: SeCreatePagefilePrivilege	2716	msdcsc.exe
Token: SeBackupPrivilege	2716	msdcsc.exe
Token: SeRestorePrivilege	2716	msdcsc.exe
Token: SeShutdownPrivilege	2716	msdcsc.exe
Token: SeDebugPrivilege	2716	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2716	msdcsc.exe
Token: SeChangeNotifyPrivilege	2716	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2716	msdcsc.exe
Token: SeUndockPrivilege	2716	msdcsc.exe
Token: SeManageVolumePrivilege	2716	msdcsc.exe
Token: SeImpersonatePrivilege	2716	msdcsc.exe
Token: SeCreateGlobalPrivilege	2716	msdcsc.exe
Token: 33	2716	msdcsc.exe
Token: 34	2716	msdcsc.exe
Token: 35	2716	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid	Process
2716	msdcsc.exe

Suspicious use of WriteProcessMemory 61 IoCs

Processes:

b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exemsdcsc.execmd.execmd.exe

description	pid	Process	procid_target
PID 2528 wrote to memory of 1536	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	30
PID 2528 wrote to memory of 1536	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	30
PID 2528 wrote to memory of 1536	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	30
PID 2528 wrote to memory of 1536	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	30
PID 2528 wrote to memory of 1400	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	32
PID 2528 wrote to memory of 1400	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	32
PID 2528 wrote to memory of 1400	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	32
PID 2528 wrote to memory of 1400	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	32
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2452	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2716	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	35
PID 2528 wrote to memory of 2716	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	35
PID 2528 wrote to memory of 2716	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	35
PID 2528 wrote to memory of 2716	2528	b30d655aefc52618b2a7e6e3e13de11f_JaffaCakes118.exe	35
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 2716 wrote to memory of 2768	2716	msdcsc.exe	36
PID 1400 wrote to memory of 2676	1400	cmd.exe	37
PID 1400 wrote to memory of 2676	1400	cmd.exe	37
PID 1400 wrote to memory of 2676	1400	cmd.exe	37
PID 1400 wrote to memory of 2676	1400	cmd.exe	37
PID 1536 wrote to memory of 2684	1536	cmd.exe	38
PID 1536 wrote to memory of 2684	1536	cmd.exe	38
PID 1536 wrote to memory of 2684	1536	cmd.exe	38
PID 1536 wrote to memory of 2684	1536	cmd.exe	38

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
2676	attrib.exe
2684	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
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528
- 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:1536
- - 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:2684
- 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:1400
- - 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:2676
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2452
- 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:2716
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2768

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

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

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

Filesize
894KB

MD5
b30d655aefc52618b2a7e6e3e13de11f

SHA1
4ed6181c465ee67cc86af3abbfd8f98aa4be009b

SHA256
131b8c954a6dda5275a42067ad1c60e71b0c9c192281eb81b11ef68865f08a75

SHA512
58909a6ecb983ef4bcfff1598986a03cacc157f0b1e83d5222fa9cc5afdb2b214cde9ce04af3f655c1f28c7860a2b967df326c655459e7d331a5d3919f51272f

Download Submit
memory/2452-18-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2452-3-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2528-67-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2528-0-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2716-69-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2716-70-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2716-71-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2716-72-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2716-73-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2716-74-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2716-75-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2768-66-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download