darkcomet | 89d4174111f2938051d86672b40965bedbee157227ccccc41ab937a32146de7d

General

Target

5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Size

659KB
MD5

5eeb8b4e21e59894b65a6eb02266734f
SHA1

a76a1311b98e655b139bc934483ed6687f0be551
SHA256

89d4174111f2938051d86672b40965bedbee157227ccccc41ab937a32146de7d
SHA512

fd921d9a296116ebf31d649a823394e33d82b282fa57a0a9fc5a446ac2ddb17eaa51d260d89e8b4688e2990846f7d46efc90d5f9120f749de5ce7cfe4dd081a9
SSDEEP

12288:C9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFK:uiBIGkbxqEcjsWiDxguehC2SV

Score

10^/10

darkcomet guest16 evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-TX8PZLM

Attributes

InstallPath
MSDCSC\explorer.exe
gencode
CKTbkZPpFBmx
install
true
offline_keylogger
true
password
18082004
persistence
true
reg_key
AudioDriver

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Desktop\\MSDCSC\\explorer.exe"	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

explorer.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	explorer.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

2512 attrib.exe
2884 attrib.exe
Deletes itself 1 IoCs

Processes:

notepad.exe

pid process

2868 notepad.exe
Executes dropped EXE 1 IoCs

Processes:

explorer.exe

pid process

2624 explorer.exe
Loads dropped DLL 2 IoCs

Processes:

5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe

pid process

1612 5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
1612 5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe

pid	process
2512	attrib.exe
2884	attrib.exe

pid	process
2868	notepad.exe

pid	process
2624	explorer.exe

pid	process
1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exeexplorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\AudioDriver = "C:\\Users\\Admin\\Desktop\\MSDCSC\\explorer.exe"	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\AudioDriver = "C:\\Users\\Admin\\Desktop\\MSDCSC\\explorer.exe"	explorer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

explorer.exe

pid process

2624 explorer.exe

pid	process
2624	explorer.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exeexplorer.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeSecurityPrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeBackupPrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeRestorePrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeShutdownPrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeDebugPrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeUndockPrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: 33	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: 34	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: 35	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2624	explorer.exe
Token: SeSecurityPrivilege	2624	explorer.exe
Token: SeTakeOwnershipPrivilege	2624	explorer.exe
Token: SeLoadDriverPrivilege	2624	explorer.exe
Token: SeSystemProfilePrivilege	2624	explorer.exe
Token: SeSystemtimePrivilege	2624	explorer.exe
Token: SeProfSingleProcessPrivilege	2624	explorer.exe
Token: SeIncBasePriorityPrivilege	2624	explorer.exe
Token: SeCreatePagefilePrivilege	2624	explorer.exe
Token: SeBackupPrivilege	2624	explorer.exe
Token: SeRestorePrivilege	2624	explorer.exe
Token: SeShutdownPrivilege	2624	explorer.exe
Token: SeDebugPrivilege	2624	explorer.exe
Token: SeSystemEnvironmentPrivilege	2624	explorer.exe
Token: SeChangeNotifyPrivilege	2624	explorer.exe
Token: SeRemoteShutdownPrivilege	2624	explorer.exe
Token: SeUndockPrivilege	2624	explorer.exe
Token: SeManageVolumePrivilege	2624	explorer.exe
Token: SeImpersonatePrivilege	2624	explorer.exe
Token: SeCreateGlobalPrivilege	2624	explorer.exe
Token: 33	2624	explorer.exe
Token: 34	2624	explorer.exe
Token: 35	2624	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

explorer.exe

pid process

2624 explorer.exe

pid	process
2624	explorer.exe

Suspicious use of WriteProcessMemory 61 IoCs

Processes:

5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.execmd.execmd.exeexplorer.exe

description	pid	process	target process
PID 1612 wrote to memory of 3020	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	cmd.exe
PID 1612 wrote to memory of 3020	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	cmd.exe
PID 1612 wrote to memory of 3020	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	cmd.exe
PID 1612 wrote to memory of 3020	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	cmd.exe
PID 1612 wrote to memory of 2916	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	cmd.exe
PID 1612 wrote to memory of 2916	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	cmd.exe
PID 1612 wrote to memory of 2916	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	cmd.exe
PID 1612 wrote to memory of 2916	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	cmd.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 1612 wrote to memory of 2868	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	notepad.exe
PID 3020 wrote to memory of 2884	3020	cmd.exe	attrib.exe
PID 3020 wrote to memory of 2884	3020	cmd.exe	attrib.exe
PID 3020 wrote to memory of 2884	3020	cmd.exe	attrib.exe
PID 3020 wrote to memory of 2884	3020	cmd.exe	attrib.exe
PID 2916 wrote to memory of 2512	2916	cmd.exe	attrib.exe
PID 2916 wrote to memory of 2512	2916	cmd.exe	attrib.exe
PID 2916 wrote to memory of 2512	2916	cmd.exe	attrib.exe
PID 2916 wrote to memory of 2512	2916	cmd.exe	attrib.exe
PID 1612 wrote to memory of 2624	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	explorer.exe
PID 1612 wrote to memory of 2624	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	explorer.exe
PID 1612 wrote to memory of 2624	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	explorer.exe
PID 1612 wrote to memory of 2624	1612	5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe	explorer.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe
PID 2624 wrote to memory of 2404	2624	explorer.exe	notepad.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

2512 attrib.exe
2884 attrib.exe

pid	process
2512	attrib.exe
2884	attrib.exe

C:\Users\Admin\AppData\Local\Temp\5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:3020

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\5eeb8b4e21e59894b65a6eb02266734f_JaffaCakes118.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2884

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:2916

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2512

C:\Windows\SysWOW64\notepad.exe
notepad
2⤵
- Deletes itself
PID:2868

C:\Users\Admin\Desktop\MSDCSC\explorer.exe
"C:\Users\Admin\Desktop\MSDCSC\explorer.exe"
2⤵
- Disables RegEdit via registry modification
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2624

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:2404

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\Desktop\MSDCSC\explorer.exe
Filesize
659KB

MD5
5eeb8b4e21e59894b65a6eb02266734f

SHA1
a76a1311b98e655b139bc934483ed6687f0be551

SHA256
89d4174111f2938051d86672b40965bedbee157227ccccc41ab937a32146de7d

SHA512
fd921d9a296116ebf31d649a823394e33d82b282fa57a0a9fc5a446ac2ddb17eaa51d260d89e8b4688e2990846f7d46efc90d5f9120f749de5ce7cfe4dd081a9

Download Submit
memory/1612-0-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1612-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2404-66-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2624-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2624-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2624-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2624-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2624-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2868-4-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2868-18-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads