darkcomet | 039fb1c8675255b8edefc207b6362e0da58b6d9ddd767fea06a705ce54326fb8

General

Target

ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Size

1.3MB
MD5

ffc2e4b24496363b727f6e4dbca30824
SHA1

596e01d5c84cd459689c4bf69e3f83f4575be640
SHA256

039fb1c8675255b8edefc207b6362e0da58b6d9ddd767fea06a705ce54326fb8
SHA512

75a8da478550e1922621d3bbded40dd9baeb6e292cd493c8a5e116344565f20305c67969fa07f390ab54d113fc0471cdf37888dd2015cea881e7e4da10549493
SSDEEP

24576:xv3eNL+gpwfoYqFzwRWGqx8BsptOwCRS03kWaZYjEeUK/cRgOnmq9g6mzk8Axq:J3e5+gpwIFzwzqxmsvOPS0UWuucOU7m1

Score

10^/10

darkcomet guest16 evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

dark123comet00.no-ip.biz:1604

Mutex

DC_MUTEX-H9W4RQ4

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
HyRqKCh4ATSA
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

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:

ffc2e4b24496363b727f6e4dbca30824_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"	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

2792 msdcsc.exe

pid	process
2792	msdcsc.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exemsdcsc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Wine	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Wine	msdcsc.exe

Loads dropped DLL 2 IoCs

Processes:

ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe

pid process

2020 ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
2020 ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe

pid	process
2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exemsdcsc.exe

pid process

2020 ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
2792 msdcsc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exemsdcsc.exe

pid process

2020 ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
2792 msdcsc.exe

pid	process
2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
2792	msdcsc.exe

pid	process
2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
2792	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeSecurityPrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeBackupPrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeRestorePrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeShutdownPrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeDebugPrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeUndockPrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: 33	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: 34	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: 35	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2792	msdcsc.exe
Token: SeSecurityPrivilege	2792	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2792	msdcsc.exe
Token: SeLoadDriverPrivilege	2792	msdcsc.exe
Token: SeSystemProfilePrivilege	2792	msdcsc.exe
Token: SeSystemtimePrivilege	2792	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2792	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2792	msdcsc.exe
Token: SeCreatePagefilePrivilege	2792	msdcsc.exe
Token: SeBackupPrivilege	2792	msdcsc.exe
Token: SeRestorePrivilege	2792	msdcsc.exe
Token: SeShutdownPrivilege	2792	msdcsc.exe
Token: SeDebugPrivilege	2792	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2792	msdcsc.exe
Token: SeChangeNotifyPrivilege	2792	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2792	msdcsc.exe
Token: SeUndockPrivilege	2792	msdcsc.exe
Token: SeManageVolumePrivilege	2792	msdcsc.exe
Token: SeImpersonatePrivilege	2792	msdcsc.exe
Token: SeCreateGlobalPrivilege	2792	msdcsc.exe
Token: 33	2792	msdcsc.exe
Token: 34	2792	msdcsc.exe
Token: 35	2792	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

2792 msdcsc.exe

pid	process
2792	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe

description	pid	process	target process
PID 2020 wrote to memory of 2792	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe	msdcsc.exe
PID 2020 wrote to memory of 2792	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe	msdcsc.exe
PID 2020 wrote to memory of 2792	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe	msdcsc.exe
PID 2020 wrote to memory of 2792	2020	ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ffc2e4b24496363b727f6e4dbca30824_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Identifies Wine through registry keys
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020

C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
"C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2792

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

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

1

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
Filesize
1.3MB

MD5
ffc2e4b24496363b727f6e4dbca30824

SHA1
596e01d5c84cd459689c4bf69e3f83f4575be640

SHA256
039fb1c8675255b8edefc207b6362e0da58b6d9ddd767fea06a705ce54326fb8

SHA512
75a8da478550e1922621d3bbded40dd9baeb6e292cd493c8a5e116344565f20305c67969fa07f390ab54d113fc0471cdf37888dd2015cea881e7e4da10549493

Download Submit
memory/2020-8-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2020-7-0x0000000000320000-0x0000000000380000-memory.dmp

Filesize
384KB

Download
memory/2020-3-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/2020-4-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/2020-9-0x00000000053B0000-0x00000000053B1000-memory.dmp

Filesize
4KB

Download
memory/2020-6-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/2020-2-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2020-26-0x0000000006720000-0x00000000069AD000-memory.dmp

Filesize
2.6MB

Download
memory/2020-5-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2020-10-0x00000000053C0000-0x00000000053C1000-memory.dmp

Filesize
4KB

Download
memory/2020-11-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2020-12-0x0000000005230000-0x0000000005231000-memory.dmp

Filesize
4KB

Download
memory/2020-1-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/2020-0-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2020-23-0x0000000006720000-0x00000000069AD000-memory.dmp

Filesize
2.6MB

Download
memory/2020-28-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-29-0x00000000053B0000-0x00000000053B1000-memory.dmp

Filesize
4KB

Download
memory/2792-38-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-25-0x0000000000360000-0x00000000003C0000-memory.dmp

Filesize
384KB

Download
memory/2792-24-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-30-0x00000000053C0000-0x00000000053C1000-memory.dmp

Filesize
4KB

Download
memory/2792-32-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-31-0x0000000005230000-0x0000000005231000-memory.dmp

Filesize
4KB

Download
memory/2792-34-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-35-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-36-0x0000000000360000-0x00000000003C0000-memory.dmp

Filesize
384KB

Download
memory/2792-37-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-27-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-39-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-40-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-41-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-42-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-43-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-44-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-45-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-46-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-47-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-48-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-49-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download
memory/2792-50-0x0000000000400000-0x000000000068D000-memory.dmp

Filesize
2.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads