Malware Analysis Report

2025-01-22 19:57

Sample ID 241016-w8w3layhkm
Target 4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118
SHA256 cc3a14fc4597290919d7f8b806634f722a50eead9319bd115a84cb0cd3691227
Tags
defense_evasion discovery execution impact persistence ransomware
score
9/10

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
9/10

SHA256

cc3a14fc4597290919d7f8b806634f722a50eead9319bd115a84cb0cd3691227

Threat Level: Likely malicious

The file 4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

defense_evasion discovery execution impact persistence ransomware

Deletes shadow copies

Drops startup file

Adds Run key to start application

Unsigned PE

System Location Discovery: System Language Discovery

Uses Volume Shadow Copy service COM API

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Interacts with shadow copies

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-16 18:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-16 18:36

Reported

2024-10-16 18:38

Platform

win7-20241010-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118.exe"

Signatures

Deletes shadow copies

ransomware defense_evasion impact execution

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a5900ac.exe C:\Windows\syswow64\explorer.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\a5900a = "C:\\a5900ac\\a5900ac.exe" C:\Windows\syswow64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*5900a = "C:\\a5900ac\\a5900ac.exe" C:\Windows\syswow64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\a5900ac = "C:\\Users\\Admin\\AppData\\Roaming\\a5900ac.exe" C:\Windows\syswow64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\*5900ac = "C:\\Users\\Admin\\AppData\\Roaming\\a5900ac.exe" C:\Windows\syswow64\explorer.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\syswow64\explorer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\syswow64\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\syswow64\vssadmin.exe N/A

Interacts with shadow copies

ransomware
Description Indicator Process Target
N/A N/A C:\Windows\syswow64\vssadmin.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118.exe N/A
N/A N/A C:\Windows\syswow64\explorer.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeBackupPrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\system32\vssvc.exe N/A
Token: SeAuditPrivilege N/A C:\Windows\system32\vssvc.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1996 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118.exe C:\Windows\syswow64\explorer.exe
PID 1996 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118.exe C:\Windows\syswow64\explorer.exe
PID 1996 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118.exe C:\Windows\syswow64\explorer.exe
PID 1996 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118.exe C:\Windows\syswow64\explorer.exe
PID 2572 wrote to memory of 2160 N/A C:\Windows\syswow64\explorer.exe C:\Windows\syswow64\svchost.exe
PID 2572 wrote to memory of 2160 N/A C:\Windows\syswow64\explorer.exe C:\Windows\syswow64\svchost.exe
PID 2572 wrote to memory of 2160 N/A C:\Windows\syswow64\explorer.exe C:\Windows\syswow64\svchost.exe
PID 2572 wrote to memory of 2160 N/A C:\Windows\syswow64\explorer.exe C:\Windows\syswow64\svchost.exe
PID 2572 wrote to memory of 880 N/A C:\Windows\syswow64\explorer.exe C:\Windows\syswow64\vssadmin.exe
PID 2572 wrote to memory of 880 N/A C:\Windows\syswow64\explorer.exe C:\Windows\syswow64\vssadmin.exe
PID 2572 wrote to memory of 880 N/A C:\Windows\syswow64\explorer.exe C:\Windows\syswow64\vssadmin.exe
PID 2572 wrote to memory of 880 N/A C:\Windows\syswow64\explorer.exe C:\Windows\syswow64\vssadmin.exe

Uses Volume Shadow Copy service COM API

ransomware

Processes

C:\Users\Admin\AppData\Local\Temp\4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118.exe"

C:\Windows\syswow64\explorer.exe

"C:\Windows\syswow64\explorer.exe"

C:\Windows\syswow64\svchost.exe

-k netsvcs

C:\Windows\syswow64\vssadmin.exe

vssadmin.exe Delete Shadows /All /Quiet

C:\Windows\system32\vssvc.exe

C:\Windows\system32\vssvc.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp

Files

memory/1996-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/1996-4-0x0000000000420000-0x0000000000422000-memory.dmp

memory/1996-0-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2572-6-0x0000000000080000-0x00000000000A0000-memory.dmp

memory/2572-7-0x0000000000080000-0x00000000000A0000-memory.dmp

memory/2160-12-0x0000000000080000-0x00000000000A0000-memory.dmp

memory/2160-14-0x0000000000080000-0x00000000000A0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-16 18:36

Reported

2024-10-16 18:38

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118.exe"

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\1cd5ffe.exe C:\Windows\SysWOW64\explorer.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1cd5ff = "C:\\1cd5ffe\\1cd5ffe.exe" C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*cd5ff = "C:\\1cd5ffe\\1cd5ffe.exe" C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1cd5ffe = "C:\\Users\\Admin\\AppData\\Roaming\\1cd5ffe.exe" C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*cd5ffe = "C:\\Users\\Admin\\AppData\\Roaming\\1cd5ffe.exe" C:\Windows\SysWOW64\explorer.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\explorer.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4e62ce349bf0b83eb5290e166f8b1640_JaffaCakes118.exe"

C:\Windows\SysWOW64\explorer.exe

"C:\Windows\syswow64\explorer.exe"

C:\Windows\SysWOW64\svchost.exe

-k netsvcs

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 73.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 100.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 71.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
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 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 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp
US 8.8.8.8:53 poroshenkogitler.com udp
US 8.8.8.8:53 gitlerluvua.com udp
US 8.8.8.8:53 adolfforua.com udp
US 8.8.8.8:53 usawithgitler.com udp
US 8.8.8.8:53 usaalwayswar.com udp

Files

memory/1072-1-0x0000000000400000-0x000000000043A000-memory.dmp

memory/1072-0-0x0000000000420000-0x0000000000422000-memory.dmp

memory/1072-2-0x0000000000400000-0x0000000000420000-memory.dmp

memory/1072-7-0x0000000000420000-0x0000000000421000-memory.dmp

memory/4896-6-0x0000000000C20000-0x0000000000C40000-memory.dmp

memory/1072-9-0x0000000000400000-0x0000000000420000-memory.dmp

memory/4896-10-0x0000000000C20000-0x0000000000C40000-memory.dmp

memory/4120-14-0x0000000000DF0000-0x0000000000E10000-memory.dmp

memory/4120-16-0x0000000000DF0000-0x0000000000E10000-memory.dmp

memory/4120-17-0x0000000000DF0000-0x0000000000E10000-memory.dmp