darkcomet | d4e0fbc80c5b130e7372443226520eea2bbe1f47af2edf82c727cce59862d944

General

Target

153c9a83b35793608d96499376758481_JaffaCakes118.exe
Size

560KB
MD5

153c9a83b35793608d96499376758481
SHA1

b75cab73b740c00248fb2700db0458b4d0fb013b
SHA256

d4e0fbc80c5b130e7372443226520eea2bbe1f47af2edf82c727cce59862d944
SHA512

177dc6142c4fb52cb0f2d6297ca65c4badf9e6f5475f508793904e66c9eef21f49995688882650060d5aa0592c7f1b6be0b16d52942d079e2eee07508502cb04
SSDEEP

12288:3eVOeheJYvaFzBIzYMjxTg8xJm5+H+0+KBPNAPqDckkA:OH8JiaFKjNAo+K8PFe

Score

10^/10

darkcomet guest16 persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

tebox.no-ip.biz:91

Mutex

DC_MUTEX-GX7446Y

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
GvQvW3bSTE6M
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:

153c9a83b35793608d96499376758481_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"	153c9a83b35793608d96499376758481_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

1924 msdcsc.exe
Loads dropped DLL 2 IoCs

Processes:

153c9a83b35793608d96499376758481_JaffaCakes118.exe

pid process

840 153c9a83b35793608d96499376758481_JaffaCakes118.exe
840 153c9a83b35793608d96499376758481_JaffaCakes118.exe

pid	process
1924	msdcsc.exe

pid	process
840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
840	153c9a83b35793608d96499376758481_JaffaCakes118.exe

Molebox Virtualization software 1 IoCs

Detects file using Molebox Virtualization software.

Processes:

resource	yara_rule
\Users\Admin\Documents\MSDCSC\msdcsc.exe	molebox

UPX packed file 15 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/840-18-0x0000000000400000-0x0000000000511000-memory.dmp	upx
behavioral1/memory/1924-32-0x0000000000400000-0x0000000000511000-memory.dmp	upx
behavioral1/memory/1924-33-0x0000000000400000-0x0000000000511000-memory.dmp	upx
behavioral1/memory/1924-36-0x0000000000400000-0x0000000000511000-memory.dmp	upx
behavioral1/memory/1924-37-0x0000000000400000-0x0000000000511000-memory.dmp	upx
behavioral1/memory/1924-38-0x0000000000400000-0x0000000000511000-memory.dmp	upx
behavioral1/memory/1924-39-0x0000000000400000-0x0000000000511000-memory.dmp	upx
behavioral1/memory/1924-40-0x0000000000400000-0x0000000000511000-memory.dmp	upx
behavioral1/memory/1924-41-0x0000000000400000-0x0000000000511000-memory.dmp	upx
behavioral1/memory/1924-42-0x0000000000400000-0x0000000000511000-memory.dmp	upx
behavioral1/memory/1924-43-0x0000000000400000-0x0000000000511000-memory.dmp	upx
behavioral1/memory/1924-44-0x0000000000400000-0x0000000000511000-memory.dmp	upx
behavioral1/memory/1924-45-0x0000000000400000-0x0000000000511000-memory.dmp	upx
behavioral1/memory/1924-46-0x0000000000400000-0x0000000000511000-memory.dmp	upx
behavioral1/memory/1924-47-0x0000000000400000-0x0000000000511000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

153c9a83b35793608d96499376758481_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	153c9a83b35793608d96499376758481_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

153c9a83b35793608d96499376758481_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeSecurityPrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeSystemtimePrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeBackupPrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeRestorePrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeShutdownPrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeDebugPrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeUndockPrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeManageVolumePrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeImpersonatePrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: 33	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: 34	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: 35	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1924	msdcsc.exe
Token: SeSecurityPrivilege	1924	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1924	msdcsc.exe
Token: SeLoadDriverPrivilege	1924	msdcsc.exe
Token: SeSystemProfilePrivilege	1924	msdcsc.exe
Token: SeSystemtimePrivilege	1924	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1924	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1924	msdcsc.exe
Token: SeCreatePagefilePrivilege	1924	msdcsc.exe
Token: SeBackupPrivilege	1924	msdcsc.exe
Token: SeRestorePrivilege	1924	msdcsc.exe
Token: SeShutdownPrivilege	1924	msdcsc.exe
Token: SeDebugPrivilege	1924	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1924	msdcsc.exe
Token: SeChangeNotifyPrivilege	1924	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1924	msdcsc.exe
Token: SeUndockPrivilege	1924	msdcsc.exe
Token: SeManageVolumePrivilege	1924	msdcsc.exe
Token: SeImpersonatePrivilege	1924	msdcsc.exe
Token: SeCreateGlobalPrivilege	1924	msdcsc.exe
Token: 33	1924	msdcsc.exe
Token: 34	1924	msdcsc.exe
Token: 35	1924	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

1924 msdcsc.exe

pid	process
1924	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

153c9a83b35793608d96499376758481_JaffaCakes118.exe

description	pid	process	target process
PID 840 wrote to memory of 1924	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe	msdcsc.exe
PID 840 wrote to memory of 1924	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe	msdcsc.exe
PID 840 wrote to memory of 1924	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe	msdcsc.exe
PID 840 wrote to memory of 1924	840	153c9a83b35793608d96499376758481_JaffaCakes118.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\153c9a83b35793608d96499376758481_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\153c9a83b35793608d96499376758481_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:840

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1924

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

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\Documents\MSDCSC\msdcsc.exe
Filesize
560KB

MD5
153c9a83b35793608d96499376758481

SHA1
b75cab73b740c00248fb2700db0458b4d0fb013b

SHA256
d4e0fbc80c5b130e7372443226520eea2bbe1f47af2edf82c727cce59862d944

SHA512
177dc6142c4fb52cb0f2d6297ca65c4badf9e6f5475f508793904e66c9eef21f49995688882650060d5aa0592c7f1b6be0b16d52942d079e2eee07508502cb04

Download Submit
memory/840-23-0x0000000075A70000-0x0000000075B80000-memory.dmp

Filesize
1.1MB

Download
memory/840-0-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/840-3-0x0000000000620000-0x0000000000630000-memory.dmp

Filesize
64KB

Download
memory/840-2-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/840-4-0x0000000077DC0000-0x0000000077DC1000-memory.dmp

Filesize
4KB

Download
memory/840-5-0x0000000075A81000-0x0000000075A82000-memory.dmp

Filesize
4KB

Download
memory/840-6-0x0000000075A70000-0x0000000075B80000-memory.dmp

Filesize
1.1MB

Download
memory/840-18-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/840-19-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/840-1-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/1924-22-0x0000000075A70000-0x0000000075B80000-memory.dmp

Filesize
1.1MB

Download
memory/1924-35-0x0000000075A70000-0x0000000075B80000-memory.dmp

Filesize
1.1MB

Download
memory/1924-31-0x0000000075A70000-0x0000000075B80000-memory.dmp

Filesize
1.1MB

Download
memory/1924-29-0x0000000075A70000-0x0000000075B80000-memory.dmp

Filesize
1.1MB

Download
memory/1924-28-0x0000000075A70000-0x0000000075B80000-memory.dmp

Filesize
1.1MB

Download
memory/1924-24-0x0000000075A70000-0x0000000075B80000-memory.dmp

Filesize
1.1MB

Download
memory/1924-27-0x0000000075A70000-0x0000000075B80000-memory.dmp

Filesize
1.1MB

Download
memory/1924-25-0x0000000075A70000-0x0000000075B80000-memory.dmp

Filesize
1.1MB

Download
memory/1924-20-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/1924-26-0x0000000075A70000-0x0000000075B80000-memory.dmp

Filesize
1.1MB

Download
memory/1924-21-0x0000000075A70000-0x0000000075B80000-memory.dmp

Filesize
1.1MB

Download
memory/1924-32-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/1924-33-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/1924-30-0x0000000075A70000-0x0000000075B80000-memory.dmp

Filesize
1.1MB

Download
memory/1924-34-0x0000000075A70000-0x0000000075B80000-memory.dmp

Filesize
1.1MB

Download
memory/1924-36-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/1924-37-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/1924-38-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/1924-39-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/1924-40-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/1924-41-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/1924-42-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/1924-43-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/1924-44-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/1924-45-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/1924-46-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/1924-47-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads