Malware Analysis Report

2024-08-06 19:03

Sample ID 240614-27lhcszepg
Target abef83a4ead4d18c354f98d7e72312f1_JaffaCakes118
SHA256 86ffdda11652f7e00c5fc21eb9f2e97cad4453b5e467501bb1207d3ebb7781ea
Tags
darkcomet rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral8

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

86ffdda11652f7e00c5fc21eb9f2e97cad4453b5e467501bb1207d3ebb7781ea

Threat Level: Known bad

The file abef83a4ead4d18c354f98d7e72312f1_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

darkcomet rat trojan

Darkcomet family

Darkcomet

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SetWindowsHookEx

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 23:13

Signatures

Darkcomet family

darkcomet

Unsigned PE

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

Analysis: behavioral6

Detonation Overview

Submitted

2024-06-14 23:13

Reported

2024-06-14 23:16

Platform

win10v2004-20240508-en

Max time kernel

142s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Spoof extensions\Spoofer.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Spoof extensions\Spoofer.exe

"C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Spoof extensions\Spoofer.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=4240,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=1300 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/1140-0-0x0000000002670000-0x0000000002671000-memory.dmp

memory/1140-1-0x0000000000400000-0x000000000062C000-memory.dmp

memory/1140-3-0x0000000002670000-0x0000000002671000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 23:13

Reported

2024-06-14 23:16

Platform

win10v2004-20240611-en

Max time kernel

141s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Celesty Binder\Celesty.exe"

Signatures

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Celesty Binder\Celesty.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Celesty Binder\Celesty.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Celesty Binder\Celesty.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Celesty Binder\Celesty.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Celesty Binder\Celesty.exe

"C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Celesty Binder\Celesty.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 88.221.83.249:443 www.bing.com tcp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 163.126.19.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 249.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/3944-0-0x00000000007C0000-0x00000000007C1000-memory.dmp

memory/3944-1-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3944-2-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3944-3-0x00000000007C0000-0x00000000007C1000-memory.dmp

memory/3944-4-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3944-5-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3944-6-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3944-7-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3944-8-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3944-9-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3944-10-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3944-11-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3944-12-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3944-13-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3944-14-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3944-15-0x0000000000400000-0x00000000006DC000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-14 23:13

Reported

2024-06-14 23:16

Platform

win7-20240611-en

Max time kernel

131s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe"

Signatures

Darkcomet

trojan rat darkcomet

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe

"C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe"

Network

N/A

Files

memory/1056-0-0x0000000000260000-0x0000000000261000-memory.dmp

memory/1056-1-0x00000000045D0000-0x00000000045D1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\config.ini

MD5 0a5baccb60ddf613c9ef2b18e0b1863f
SHA1 39bb75213fab1a7b9ab51089ef54f43086d8b1f3
SHA256 21a222e00ea35f663dc6c397c0a0aa6d80e52187644b170cee9e186892a22f4e
SHA512 b24b4e15fc975f81e5e5216cc098f8a34faeb5f7b3f10fe8f9f4a19157abe62f293b4687440434744e5c5284736a9a472fc5d04f5fda72e94fe5e7140b36de9b

memory/1056-39-0x0000000000260000-0x0000000000261000-memory.dmp

memory/1056-40-0x00000000045D0000-0x00000000045D1000-memory.dmp

memory/1056-41-0x0000000000400000-0x0000000000F67000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-14 23:13

Reported

2024-06-14 23:16

Platform

win10v2004-20240611-en

Max time kernel

140s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe"

Signatures

Darkcomet

trojan rat darkcomet

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe

"C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\DarkComet.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
BE 88.221.83.195:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 195.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 216.197.17.2.in-addr.arpa udp

Files

memory/2272-0-0x0000000002D40000-0x0000000002D41000-memory.dmp

memory/2272-1-0x0000000005B00000-0x0000000005B01000-memory.dmp

memory/2272-2-0x0000000006420000-0x0000000006421000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\config.ini

MD5 0a5baccb60ddf613c9ef2b18e0b1863f
SHA1 39bb75213fab1a7b9ab51089ef54f43086d8b1f3
SHA256 21a222e00ea35f663dc6c397c0a0aa6d80e52187644b170cee9e186892a22f4e
SHA512 b24b4e15fc975f81e5e5216cc098f8a34faeb5f7b3f10fe8f9f4a19157abe62f293b4687440434744e5c5284736a9a472fc5d04f5fda72e94fe5e7140b36de9b

memory/2272-40-0x0000000000400000-0x0000000000F67000-memory.dmp

memory/2272-42-0x0000000002D40000-0x0000000002D41000-memory.dmp

memory/2272-43-0x0000000005B00000-0x0000000005B01000-memory.dmp

memory/2272-44-0x0000000006420000-0x0000000006421000-memory.dmp

Analysis: behavioral7

Detonation Overview

Submitted

2024-06-14 23:13

Reported

2024-06-14 23:16

Platform

win7-20240611-en

Max time kernel

120s

Max time network

122s

Command Line

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\sqlite3.dll",#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2228 wrote to memory of 1768 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2228 wrote to memory of 1768 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2228 wrote to memory of 1768 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2228 wrote to memory of 1768 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2228 wrote to memory of 1768 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2228 wrote to memory of 1768 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2228 wrote to memory of 1768 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1768 wrote to memory of 2208 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 1768 wrote to memory of 2208 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 1768 wrote to memory of 2208 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe
PID 1768 wrote to memory of 2208 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\sqlite3.dll",#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\sqlite3.dll",#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 220

Network

N/A

Files

N/A

Analysis: behavioral8

Detonation Overview

Submitted

2024-06-14 23:13

Reported

2024-06-14 23:16

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\sqlite3.dll",#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1800 wrote to memory of 2732 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1800 wrote to memory of 2732 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1800 wrote to memory of 2732 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\sqlite3.dll",#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\sqlite3.dll",#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2732 -ip 2732

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 600

Network

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 23:13

Reported

2024-06-14 23:16

Platform

win7-20240508-en

Max time kernel

140s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Celesty Binder\Celesty.exe"

Signatures

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Celesty Binder\Celesty.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Celesty Binder\Celesty.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Celesty Binder\Celesty.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Celesty Binder\Celesty.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Celesty Binder\Celesty.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Celesty Binder\Celesty.exe

"C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Celesty Binder\Celesty.exe"

Network

N/A

Files

memory/3052-0-0x0000000000230000-0x0000000000231000-memory.dmp

memory/3052-1-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3052-2-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3052-3-0x0000000000230000-0x0000000000231000-memory.dmp

memory/3052-4-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3052-5-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3052-6-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3052-7-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3052-8-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3052-9-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3052-10-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3052-11-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3052-12-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3052-13-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3052-14-0x0000000000400000-0x00000000006DC000-memory.dmp

memory/3052-15-0x0000000000400000-0x00000000006DC000-memory.dmp

Analysis: behavioral5

Detonation Overview

Submitted

2024-06-14 23:13

Reported

2024-06-14 23:16

Platform

win7-20231129-en

Max time kernel

140s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Spoof extensions\Spoofer.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Spoof extensions\Spoofer.exe

"C:\Users\Admin\AppData\Local\Temp\Darkcomet RAT 5.3.1\Spoof extensions\Spoofer.exe"

Network

N/A

Files

memory/1680-0-0x00000000003B0000-0x00000000003B1000-memory.dmp

memory/1680-1-0x0000000000400000-0x000000000062C000-memory.dmp

memory/1680-3-0x00000000003B0000-0x00000000003B1000-memory.dmp