Malware Analysis Report

2024-12-07 21:53

Sample ID 240717-jvx2hs1hqr
Target 521a789f6892d554c051004faad5f3d1_JaffaCakes118
SHA256 7c8e070f5d231dceada7b2baee3797c3c835ad813ddf52f8e7ed9cfc50efbe6f
Tags
xtremerat evasion persistence rat spyware themida upx
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

7c8e070f5d231dceada7b2baee3797c3c835ad813ddf52f8e7ed9cfc50efbe6f

Threat Level: Known bad

The file 521a789f6892d554c051004faad5f3d1_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xtremerat evasion persistence rat spyware themida upx

XtremeRAT

Detect XtremeRAT payload

Boot or Logon Autostart Execution: Active Setup

Identifies Wine through registry keys

UPX packed file

Themida packer

Adds Run key to start application

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-17 08:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-17 07:59

Reported

2024-07-17 08:02

Platform

win7-20240704-en

Max time kernel

147s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe"

Signatures

Detect XtremeRAT payload

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

XtremeRAT

persistence spyware rat xtremerat

Boot or Logon Autostart Execution: Active Setup

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{O86F433A-0250-34MD-F405-MV783W3N6H4Q} C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{O86F433A-0250-34MD-F405-MV783W3N6H4Q}\StubPath = "C:\\Windows\\system32\\Install12\\System.exe restart" C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{O86F433A-0250-34MD-F405-MV783W3N6H4Q} C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{O86F433A-0250-34MD-F405-MV783W3N6H4Q}\StubPath = "C:\\Windows\\system32\\Install12\\System.exe restart" C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe N/A

Themida packer

themida
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

UPX packed file

upx
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
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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\Install12\\System.exe" C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\Install12\\System.exe" C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\Install12\\System.exe" C:\Windows\SysWOW64\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\Install12\\System.exe" C:\Windows\SysWOW64\svchost.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Install12\System.exe C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\Install12\System.exe C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2068 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe
PID 2068 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe
PID 2068 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe
PID 2068 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe
PID 2068 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe
PID 2068 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe
PID 2068 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe
PID 2068 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe
PID 2068 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe
PID 2068 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe
PID 2068 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe
PID 2748 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

C:\Windows\SysWOW64\svchost.exe

svchost.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 momo44.no-ip.biz udp

Files

memory/2068-1-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2068-0-0x0000000000400000-0x00000000004EC000-memory.dmp

memory/2068-5-0x0000000001FC0000-0x0000000001FD0000-memory.dmp

memory/2068-8-0x0000000075881000-0x0000000075882000-memory.dmp

memory/2068-7-0x00000000777C0000-0x00000000777C1000-memory.dmp

memory/2068-6-0x0000000001F50000-0x0000000001F60000-memory.dmp

memory/2068-2-0x0000000000400000-0x00000000004EC000-memory.dmp

memory/2068-3-0x0000000000260000-0x00000000002AE000-memory.dmp

memory/2068-4-0x0000000000400000-0x00000000004EC000-memory.dmp

memory/2068-9-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2068-10-0x0000000000400000-0x00000000004EC000-memory.dmp

memory/2748-13-0x00000000001B0000-0x00000000001B4000-memory.dmp

memory/2748-23-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/2748-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2748-20-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/2748-19-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/2748-18-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/2748-16-0x00000000001B0000-0x00000000001B4000-memory.dmp

memory/2068-15-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2068-27-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2068-35-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2068-39-0x0000000000400000-0x00000000004EC000-memory.dmp

memory/2068-41-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2068-40-0x0000000000260000-0x00000000002AE000-memory.dmp

memory/2748-38-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2068-37-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2068-36-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2068-34-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2068-33-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2068-32-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2068-31-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2068-30-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2068-29-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2068-28-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2748-26-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/2748-25-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/2688-47-0x0000000000C80000-0x0000000000C96000-memory.dmp

C:\Windows\SysWOW64\Install12\System.exe

MD5 521a789f6892d554c051004faad5f3d1
SHA1 51ef63218968f62714493f80dce5726186103d61
SHA256 7c8e070f5d231dceada7b2baee3797c3c835ad813ddf52f8e7ed9cfc50efbe6f
SHA512 e560bc1a3a2504fe763981dba9967bf82a83fb73d8b42d5830804f3538ac9b2f73b44146d8ced4ce0e01b4fe9f24b32d2bb4e5b073dc8949523be1afcefe253c

memory/2688-49-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2628-52-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/2748-53-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2628-55-0x0000000000C80000-0x0000000000C96000-memory.dmp

memory/2688-56-0x0000000075870000-0x0000000075980000-memory.dmp

memory/2628-57-0x0000000075870000-0x0000000075980000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-17 07:59

Reported

2024-07-17 08:02

Platform

win10v2004-20240709-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe"

Signatures

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe N/A

Themida packer

themida
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

Processes

C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\521a789f6892d554c051004faad5f3d1_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 37.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/4784-0-0x0000000000660000-0x0000000000661000-memory.dmp

memory/4784-1-0x0000000000690000-0x00000000006DE000-memory.dmp

memory/4784-2-0x0000000000400000-0x00000000004EC000-memory.dmp

memory/4784-11-0x00000000761B0000-0x00000000762A0000-memory.dmp

memory/4784-3-0x0000000000400000-0x00000000004EC000-memory.dmp

memory/4784-13-0x00000000761B0000-0x00000000762A0000-memory.dmp

memory/4784-12-0x00000000761B0000-0x00000000762A0000-memory.dmp

memory/4784-10-0x00000000761D0000-0x00000000761D1000-memory.dmp

memory/4784-9-0x0000000002520000-0x0000000002530000-memory.dmp

memory/4784-8-0x0000000002520000-0x0000000002530000-memory.dmp

memory/4784-7-0x0000000077762000-0x0000000077763000-memory.dmp

memory/4784-6-0x0000000002340000-0x0000000002350000-memory.dmp

memory/4784-5-0x0000000000670000-0x0000000000680000-memory.dmp

memory/4784-4-0x0000000000400000-0x00000000004EC000-memory.dmp

memory/4784-14-0x0000000000400000-0x00000000004EC000-memory.dmp

memory/4784-16-0x0000000000690000-0x00000000006DE000-memory.dmp

memory/4784-23-0x00000000761B0000-0x00000000762A0000-memory.dmp

memory/4784-22-0x00000000761B0000-0x00000000762A0000-memory.dmp

memory/4784-21-0x00000000761B0000-0x00000000762A0000-memory.dmp

memory/4784-20-0x0000000002520000-0x0000000002530000-memory.dmp

memory/4784-19-0x0000000002520000-0x0000000002530000-memory.dmp

memory/4784-18-0x0000000002340000-0x0000000002350000-memory.dmp

memory/4784-17-0x0000000000670000-0x0000000000680000-memory.dmp