Malware Analysis Report

2024-08-06 19:03

Sample ID 240614-n3jlbazcjh
Target a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118
SHA256 38a203424197ac77d6157ac414b7b03af93e9e3d0bac0db8d1bf6c22b6d1003a
Tags
berat malý darkcomet rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

38a203424197ac77d6157ac414b7b03af93e9e3d0bac0db8d1bf6c22b6d1003a

Threat Level: Known bad

The file a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

berat malý darkcomet rat trojan

Darkcomet family

Darkcomet

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-14 11:55

Signatures

Darkcomet family

darkcomet

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 11:55

Reported

2024-06-14 11:57

Platform

win7-20231129-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe"

Signatures

Darkcomet

trojan rat darkcomet

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1368 set thread context of 1956 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\iexplore.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeSecurityPrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeSystemtimePrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeBackupPrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeRestorePrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeShutdownPrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeUndockPrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeManageVolumePrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeImpersonatePrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: 33 N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: 34 N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A
Token: 35 N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Internet Explorer\iexplore.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1368 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\iexplore.exe
PID 1368 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\iexplore.exe
PID 1368 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\iexplore.exe
PID 1368 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\iexplore.exe
PID 1368 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\iexplore.exe
PID 1368 wrote to memory of 1956 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\iexplore.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe"

C:\Program Files (x86)\Internet Explorer\iexplore.exe

"C:\Program Files (x86)\Internet Explorer\iexplore.exe"

Network

Country Destination Domain Proto
N/A 192.168.1.106:1000 tcp
N/A 192.168.1.106:1000 tcp
N/A 192.168.1.106:1000 tcp
N/A 192.168.1.106:1000 tcp
N/A 192.168.1.106:1000 tcp
N/A 192.168.1.106:1000 tcp
N/A 192.168.1.106:1000 tcp
N/A 192.168.1.106:1000 tcp

Files

memory/1368-0-0x0000000000280000-0x0000000000281000-memory.dmp

memory/1956-1-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/1368-2-0x0000000000400000-0x00000000004B2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 11:55

Reported

2024-06-14 11:57

Platform

win10v2004-20240508-en

Max time kernel

143s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe"

Signatures

Darkcomet

trojan rat darkcomet

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4496 wrote to memory of 4756 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\iexplore.exe
PID 4496 wrote to memory of 4756 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\iexplore.exe
PID 4496 wrote to memory of 4756 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe C:\Program Files (x86)\Internet Explorer\iexplore.exe
PID 4496 wrote to memory of 1436 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe C:\Windows\explorer.exe
PID 4496 wrote to memory of 1436 N/A C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe C:\Windows\explorer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a98bc6373182dfdbcbf933779c8b23a0_JaffaCakes118.exe"

C:\Program Files (x86)\Internet Explorer\iexplore.exe

"C:\Program Files (x86)\Internet Explorer\iexplore.exe"

C:\Windows\explorer.exe

"C:\Windows\explorer.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4212,i,14486271492189381216,15799931579469722648,262144 --variations-seed-version --mojo-platform-channel-handle=4356 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
N/A 192.168.1.106:1000 tcp

Files

memory/4496-0-0x0000000002140000-0x0000000002141000-memory.dmp

memory/4496-1-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/4496-3-0x0000000000400000-0x00000000004B2000-memory.dmp