darkcomet | daed32b7a133f4597413ca9d53307b06ab5fbb642a172a612d4b121645c25a0d

Analysis

max time kernel
149s
max time network
138s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 19:25

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General

Target

fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Size

758KB
MD5

fcd050d24c326e9e50b3cdccd08dda2a
SHA1

dfeff196f7394f036fc081b96bba2cd0b3f23e6e
SHA256

daed32b7a133f4597413ca9d53307b06ab5fbb642a172a612d4b121645c25a0d
SHA512

c49685573489e50a5ecac7f86e09c9cd83d42a53c2fb3793f3b60af5cad661cb4ee850df6927bd2410933a18269b6f0029560d94bed91fcda8f3a27e2a53439b
SSDEEP

12288:CXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452U3:snAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jn

Score

10^/10

darkcomet guest16 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

130.193.132.148:1604

Mutex

DC_MUTEX-E5SXSBX

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
CsuuJMHztt7z
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
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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe

Windows security bypass 2 TTPs 2 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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "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
2704	attrib.exe
2824	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2268	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe

Windows security modification 2 TTPs 2 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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.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 7 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	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeSecurityPrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeBackupPrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeRestorePrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeShutdownPrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeDebugPrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeUndockPrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: 33	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: 34	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: 35	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2268	msdcsc.exe
Token: SeSecurityPrivilege	2268	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2268	msdcsc.exe
Token: SeLoadDriverPrivilege	2268	msdcsc.exe
Token: SeSystemProfilePrivilege	2268	msdcsc.exe
Token: SeSystemtimePrivilege	2268	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2268	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2268	msdcsc.exe
Token: SeCreatePagefilePrivilege	2268	msdcsc.exe
Token: SeBackupPrivilege	2268	msdcsc.exe
Token: SeRestorePrivilege	2268	msdcsc.exe
Token: SeShutdownPrivilege	2268	msdcsc.exe
Token: SeDebugPrivilege	2268	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2268	msdcsc.exe
Token: SeChangeNotifyPrivilege	2268	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2268	msdcsc.exe
Token: SeUndockPrivilege	2268	msdcsc.exe
Token: SeManageVolumePrivilege	2268	msdcsc.exe
Token: SeImpersonatePrivilege	2268	msdcsc.exe
Token: SeCreateGlobalPrivilege	2268	msdcsc.exe
Token: 33	2268	msdcsc.exe
Token: 34	2268	msdcsc.exe
Token: 35	2268	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2268	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2928	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	31
PID 2664 wrote to memory of 2928	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	31
PID 2664 wrote to memory of 2928	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	31
PID 2664 wrote to memory of 2928	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	31
PID 2664 wrote to memory of 2696	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	32
PID 2664 wrote to memory of 2696	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	32
PID 2664 wrote to memory of 2696	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	32
PID 2664 wrote to memory of 2696	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	32
PID 2696 wrote to memory of 2704	2696	cmd.exe	35
PID 2696 wrote to memory of 2704	2696	cmd.exe	35
PID 2696 wrote to memory of 2704	2696	cmd.exe	35
PID 2696 wrote to memory of 2704	2696	cmd.exe	35
PID 2928 wrote to memory of 2824	2928	cmd.exe	36
PID 2928 wrote to memory of 2824	2928	cmd.exe	36
PID 2928 wrote to memory of 2824	2928	cmd.exe	36
PID 2928 wrote to memory of 2824	2928	cmd.exe	36
PID 2664 wrote to memory of 2268	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	37
PID 2664 wrote to memory of 2268	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	37
PID 2664 wrote to memory of 2268	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	37
PID 2664 wrote to memory of 2268	2664	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	37
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38
PID 2268 wrote to memory of 2856	2268	msdcsc.exe	38

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2704	attrib.exe
2824	attrib.exe

C:\Users\Admin\AppData\Local\Temp\fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fcd050d24c326e9e50b3cdccd08dda2a_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:2664
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2928
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2824
- 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:2696
- - 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:2704
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Windows security modification
  - 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:2268
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2856

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

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Downloads

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

Filesize
758KB

MD5
fcd050d24c326e9e50b3cdccd08dda2a

SHA1
dfeff196f7394f036fc081b96bba2cd0b3f23e6e

SHA256
daed32b7a133f4597413ca9d53307b06ab5fbb642a172a612d4b121645c25a0d

SHA512
c49685573489e50a5ecac7f86e09c9cd83d42a53c2fb3793f3b60af5cad661cb4ee850df6927bd2410933a18269b6f0029560d94bed91fcda8f3a27e2a53439b

Download Submit
memory/2268-51-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2268-53-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2664-0-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2664-11-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2856-12-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2856-50-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads