darkcomet | a3717afaeee0b6a23731d2022445ed8e74b20e723af80b99c81d688e0f7e2eda

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
28-06-2024 09:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Size

502KB
MD5

1995a5672707f582ee59f83b9193c044
SHA1

9b422333131eaf227f24a058e567c9b31e9a3362
SHA256

a3717afaeee0b6a23731d2022445ed8e74b20e723af80b99c81d688e0f7e2eda
SHA512

5dc413600bfd1c251fe20c99460daf40c1b2401b9c15484cfac3d8915ff09f3481d8bc2fc7d2aa9396717666fe0c97901ac91bccf529873845f5e87454ec9d37
SSDEEP

6144:dIT5omhVRsO0osSN4UYOlDX6LYSCJ6wFPa66bwfawGbwyXWx9QYFQkFD998gWNlG:dIj3R4osi6USnjLwGFmx959DENtTird

Score

10^/10

darkcomet ýçñó bootkit persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

ÝÇÑÓ

ogdd.servemp3.com:4433

Mutex

DC_MUTEX-ZEB45K2

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
oNjPFSVD68XS
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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

1995a5672707f582ee59f83b9193c044_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\\Documents\\MSDCSC\\msdcsc.exe"	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe

Drops file in Drivers directory 1 IoCs

Processes:

1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts 1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

2076 msdcsc.exe
Loads dropped DLL 2 IoCs

Processes:

1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe

pid process

2164 1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
2164 1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe

pid	process
2076	msdcsc.exe

pid	process
2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1995a5672707f582ee59f83b9193c044_JaffaCakes118.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

1995a5672707f582ee59f83b9193c044_JaffaCakes118.exemsdcsc.exe

description ioc process

File opened for modification \??\PhysicalDrive0 1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
File opened for modification \??\PhysicalDrive0 msdcsc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File opened for modification	\??\PhysicalDrive0	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
File opened for modification	\??\PhysicalDrive0	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

1995a5672707f582ee59f83b9193c044_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeSecurityPrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeBackupPrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeRestorePrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeShutdownPrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeDebugPrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeUndockPrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: 33	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: 34	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: 35	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2076	msdcsc.exe
Token: SeSecurityPrivilege	2076	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2076	msdcsc.exe
Token: SeLoadDriverPrivilege	2076	msdcsc.exe
Token: SeSystemProfilePrivilege	2076	msdcsc.exe
Token: SeSystemtimePrivilege	2076	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2076	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2076	msdcsc.exe
Token: SeCreatePagefilePrivilege	2076	msdcsc.exe
Token: SeBackupPrivilege	2076	msdcsc.exe
Token: SeRestorePrivilege	2076	msdcsc.exe
Token: SeShutdownPrivilege	2076	msdcsc.exe
Token: SeDebugPrivilege	2076	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2076	msdcsc.exe
Token: SeChangeNotifyPrivilege	2076	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2076	msdcsc.exe
Token: SeUndockPrivilege	2076	msdcsc.exe
Token: SeManageVolumePrivilege	2076	msdcsc.exe
Token: SeImpersonatePrivilege	2076	msdcsc.exe
Token: SeCreateGlobalPrivilege	2076	msdcsc.exe
Token: 33	2076	msdcsc.exe
Token: 34	2076	msdcsc.exe
Token: 35	2076	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

2076 msdcsc.exe

pid	process
2076	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe

description	pid	process	target process
PID 2164 wrote to memory of 2076	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe	msdcsc.exe
PID 2164 wrote to memory of 2076	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe	msdcsc.exe
PID 2164 wrote to memory of 2076	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe	msdcsc.exe
PID 2164 wrote to memory of 2076	2164	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Loads dropped DLL
- Adds Run key to start application
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2164

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2076

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
502KB

MD5
1995a5672707f582ee59f83b9193c044

SHA1
9b422333131eaf227f24a058e567c9b31e9a3362

SHA256
a3717afaeee0b6a23731d2022445ed8e74b20e723af80b99c81d688e0f7e2eda

SHA512
5dc413600bfd1c251fe20c99460daf40c1b2401b9c15484cfac3d8915ff09f3481d8bc2fc7d2aa9396717666fe0c97901ac91bccf529873845f5e87454ec9d37

Download Submit
memory/2076-28-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2076-35-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2076-42-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2076-41-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2076-40-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2076-39-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2076-38-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2076-37-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2076-36-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2076-22-0x0000000000310000-0x0000000000353000-memory.dmp

Filesize
268KB

Download
memory/2076-21-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2076-29-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2076-24-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/2076-34-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2076-33-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2076-43-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2076-32-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2076-30-0x0000000000310000-0x0000000000353000-memory.dmp

Filesize
268KB

Download
memory/2076-31-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2164-6-0x0000000001D10000-0x0000000001D11000-memory.dmp

Filesize
4KB

Download
memory/2164-5-0x0000000001CE0000-0x0000000001CE1000-memory.dmp

Filesize
4KB

Download
memory/2164-27-0x0000000001C90000-0x0000000001CD3000-memory.dmp

Filesize
268KB

Download
memory/2164-23-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2164-19-0x00000000039E0000-0x0000000003ACD000-memory.dmp

Filesize
948KB

Download
memory/2164-1-0x0000000001C90000-0x0000000001CD3000-memory.dmp

Filesize
268KB

Download
memory/2164-7-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

Filesize
4KB

Download
memory/2164-2-0x0000000001C70000-0x0000000001C71000-memory.dmp

Filesize
4KB

Download
memory/2164-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2164-4-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2164-26-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/2164-0-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download