Malware Analysis Report

2025-01-02 03:36

Sample ID 240510-gs1zaaad88
Target 2db46fd98a381ceb488748971288e73c_JaffaCakes118
SHA256 259c6c9f64c7d8a5ea07770ed04a94ef4266f115bee1211f4b0a161614f1caac
Tags
remcos persistence rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

259c6c9f64c7d8a5ea07770ed04a94ef4266f115bee1211f4b0a161614f1caac

Threat Level: Known bad

The file 2db46fd98a381ceb488748971288e73c_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

remcos persistence rat

Remcos

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Adds Run key to start application

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Suspicious use of UnmapMainImage

Suspicious use of SetWindowsHookEx

Runs ping.exe

Suspicious use of WriteProcessMemory

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-10 06:04

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 06:04

Reported

2024-05-10 06:07

Platform

win7-20240508-en

Max time kernel

149s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe"

Signatures

Remcos

rat remcos

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe N/A

Loads dropped DLL

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\wjhjnhtg = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microfiles2\\HDPeal.exe\"" C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\wjhjnhtg = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microfiles2\\HDPeal.exe\"" C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2952 set thread context of 2184 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2380 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2380 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2380 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2380 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2380 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2380 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2380 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2728 wrote to memory of 2500 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2728 wrote to memory of 2500 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2728 wrote to memory of 2500 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2728 wrote to memory of 2500 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2728 wrote to memory of 2952 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe
PID 2728 wrote to memory of 2952 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe
PID 2728 wrote to memory of 2952 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe
PID 2728 wrote to memory of 2952 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe
PID 2952 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2952 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2952 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2952 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2952 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2952 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2952 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2952 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2952 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2952 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c ""C:\Users\Admin\AppData\Local\Temp\install.bat" "

C:\Windows\SysWOW64\PING.EXE

PING 127.0.0.1 -n 2

C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe

"C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 civita2.no-ip.biz udp

Files

memory/2380-2-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2380-6-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2380-7-0x0000000072940000-0x0000000072A60000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\install.bat

MD5 9e63d0d86376e45cfd856537efb86171
SHA1 566c68ff9c1f2fa5a75207258b1092447e81fcce
SHA256 6f6f2f859525c5c8668364d9feb6da278eee5ed59580a5184e8dda65832cce7d
SHA512 d5359f1a3701a010c3fb90faac3da226881c6777dd7e1bfaf475cef0f18f6dfab9f317ac3431daa77869b2872f5a5c9a16cad10bc51a5d127219a095df7ccb98

memory/2380-16-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2380-17-0x0000000072940000-0x0000000072A60000-memory.dmp

\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe

MD5 2db46fd98a381ceb488748971288e73c
SHA1 e2fa0529ebb4a047785c921e07b75e13ad054f03
SHA256 259c6c9f64c7d8a5ea07770ed04a94ef4266f115bee1211f4b0a161614f1caac
SHA512 420bba3fa2d4a8e400e351d98071fb2572f681952ec27cf94bcbedd9fa141dd18f45b26499339b2bd9477810dd09ce1c1b39c56eb2f840e203e770a04698b61f

memory/2952-26-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2952-25-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2952-29-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2184-30-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2184-42-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2184-40-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2184-38-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2184-36-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2184-34-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2184-32-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2184-46-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2952-44-0x0000000072940000-0x0000000072A93000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-10 06:04

Reported

2024-05-10 06:07

Platform

win10v2004-20240226-en

Max time kernel

151s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe"

Signatures

Remcos

rat remcos

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wjhjnhtg = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microfiles2\\HDPeal.exe\"" C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wjhjnhtg = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microfiles2\\HDPeal.exe\"" C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2304 set thread context of 4684 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2828 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2828 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2828 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1728 wrote to memory of 4968 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1728 wrote to memory of 4968 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1728 wrote to memory of 4968 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1728 wrote to memory of 2304 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe
PID 1728 wrote to memory of 2304 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe
PID 1728 wrote to memory of 2304 N/A C:\Windows\SysWOW64\cmd.exe C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe
PID 2304 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2304 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2304 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2304 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2304 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2304 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2304 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2304 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe
PID 2304 wrote to memory of 4684 N/A C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2db46fd98a381ceb488748971288e73c_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\install.bat" "

C:\Windows\SysWOW64\PING.EXE

PING 127.0.0.1 -n 2

C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe

"C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe"

C:\Windows\SysWOW64\svchost.exe

C:\Windows\SysWOW64\svchost.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 --mojo-platform-channel-handle=3900 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
GB 172.217.169.74:443 tcp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 civita2.no-ip.biz udp
US 8.8.8.8:53 88.16.208.104.in-addr.arpa udp

Files

memory/2828-4-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2828-8-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2828-11-0x0000000000400000-0x0000000000419000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\install.bat

MD5 9e63d0d86376e45cfd856537efb86171
SHA1 566c68ff9c1f2fa5a75207258b1092447e81fcce
SHA256 6f6f2f859525c5c8668364d9feb6da278eee5ed59580a5184e8dda65832cce7d
SHA512 d5359f1a3701a010c3fb90faac3da226881c6777dd7e1bfaf475cef0f18f6dfab9f317ac3431daa77869b2872f5a5c9a16cad10bc51a5d127219a095df7ccb98

C:\Users\Admin\AppData\Roaming\Microfiles2\HDPeal.exe

MD5 2db46fd98a381ceb488748971288e73c
SHA1 e2fa0529ebb4a047785c921e07b75e13ad054f03
SHA256 259c6c9f64c7d8a5ea07770ed04a94ef4266f115bee1211f4b0a161614f1caac
SHA512 420bba3fa2d4a8e400e351d98071fb2572f681952ec27cf94bcbedd9fa141dd18f45b26499339b2bd9477810dd09ce1c1b39c56eb2f840e203e770a04698b61f

memory/2304-20-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2304-25-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2304-24-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2304-23-0x0000000000400000-0x0000000000419000-memory.dmp

memory/4684-26-0x0000000000400000-0x0000000000419000-memory.dmp

memory/4684-29-0x0000000000400000-0x0000000000419000-memory.dmp

memory/2304-33-0x0000000000400000-0x0000000000442000-memory.dmp

memory/2304-34-0x0000000000400000-0x0000000000442000-memory.dmp