Malware Analysis Report

2025-01-06 08:11

Sample ID 240604-bh8y9afh4v
Target 933d4a779309aedb897816b62f2bc6ce_JaffaCakes118
SHA256 13e5fa7bb7c75ee80c3ca6671880fe5a0b146028adb63f845415cad9ed07fbd8
Tags
evasion
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

13e5fa7bb7c75ee80c3ca6671880fe5a0b146028adb63f845415cad9ed07fbd8

Threat Level: Likely malicious

The file 933d4a779309aedb897816b62f2bc6ce_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

evasion

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Drops desktop.ini file(s)

Drops file in Windows directory

Unsigned PE

Program crash

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-04 01:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 01:09

Reported

2024-06-04 01:12

Platform

win7-20240508-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\933d4a779309aedb897816b62f2bc6ce_JaffaCakes118.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\933d4a779309aedb897816b62f2bc6ce_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n7484\s7484.exe N/A

Enumerates physical storage devices

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\933d4a779309aedb897816b62f2bc6ce_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\933d4a779309aedb897816b62f2bc6ce_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\n7484\s7484.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n7484\s7484.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n7484\s7484.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\933d4a779309aedb897816b62f2bc6ce_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\933d4a779309aedb897816b62f2bc6ce_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\n7484\s7484.exe

"C:\Users\Admin\AppData\Local\Temp\n7484\s7484.exe" ins.exe /t 5427cff5561ca352328b4567 /h dee515.api.socdn.com /e 12909095 /u ce5170c0-aa9e-11e3-8a58-80c16e6f498c /v "C:\Users\Admin\AppData\Local\Temp\933d4a779309aedb897816b62f2bc6ce_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 dee515.api.socdn.com udp
US 76.223.26.96:80 dee515.api.socdn.com tcp

Files

\Users\Admin\AppData\Local\Temp\n7484\s7484.exe

MD5 7bfe6bbe12a10323b0aa5c1bad6ecd5b
SHA1 7ce4508ddfa0200a95cdbfbe66c4c6b5a8b87122
SHA256 f15a491ef671ebddcc3710a4817244c18fe1a5dd444c83137c2fbd601d1c7214
SHA512 bf0438520ade14a53c7d8a76b7f7e3d8eec9060003954e0da1ee17ed5db024c44a28bae23ebfaa006fd50da400faf9fc77a4dcb1071d0501d753b47a6146d5d7

memory/2428-17-0x000007FEF5BFE000-0x000007FEF5BFF000-memory.dmp

memory/2428-18-0x00000000004B0000-0x00000000004BE000-memory.dmp

memory/2428-19-0x000007FEF5940000-0x000007FEF62DD000-memory.dmp

memory/2428-20-0x000007FEF5940000-0x000007FEF62DD000-memory.dmp

memory/2428-21-0x000007FEF5940000-0x000007FEF62DD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 01:09

Reported

2024-06-04 01:12

Platform

win10v2004-20240426-en

Max time kernel

94s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\933d4a779309aedb897816b62f2bc6ce_JaffaCakes118.exe"

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\933d4a779309aedb897816b62f2bc6ce_JaffaCakes118.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\933d4a779309aedb897816b62f2bc6ce_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n7487\s7487.exe N/A

Drops desktop.ini file(s)

Description Indicator Process Target
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n7487\s7487.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n7487\s7487.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\assembly C:\Users\Admin\AppData\Local\Temp\n7487\s7487.exe N/A
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n7487\s7487.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n7487\s7487.exe N/A

Enumerates physical storage devices

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\933d4a779309aedb897816b62f2bc6ce_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\933d4a779309aedb897816b62f2bc6ce_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\n7487\s7487.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n7487\s7487.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n7487\s7487.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\933d4a779309aedb897816b62f2bc6ce_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\933d4a779309aedb897816b62f2bc6ce_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\n7487\s7487.exe

"C:\Users\Admin\AppData\Local\Temp\n7487\s7487.exe" ins.exe /t 5427cff5561ca352328b4567 /h dee515.api.socdn.com /e 12909095 /u ce5170c0-aa9e-11e3-8a58-80c16e6f498c /v "C:\Users\Admin\AppData\Local\Temp\933d4a779309aedb897816b62f2bc6ce_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3476 -ip 3476

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3476 -s 3864

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 dee515.api.socdn.com udp
US 76.223.26.96:80 dee515.api.socdn.com tcp
US 8.8.8.8:53 96.26.223.76.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\n7487\s7487.exe

MD5 7bfe6bbe12a10323b0aa5c1bad6ecd5b
SHA1 7ce4508ddfa0200a95cdbfbe66c4c6b5a8b87122
SHA256 f15a491ef671ebddcc3710a4817244c18fe1a5dd444c83137c2fbd601d1c7214
SHA512 bf0438520ade14a53c7d8a76b7f7e3d8eec9060003954e0da1ee17ed5db024c44a28bae23ebfaa006fd50da400faf9fc77a4dcb1071d0501d753b47a6146d5d7

memory/2400-14-0x00007FFC02135000-0x00007FFC02136000-memory.dmp

memory/2400-15-0x00007FFC01E80000-0x00007FFC02821000-memory.dmp

memory/2400-16-0x0000000001850000-0x000000000185E000-memory.dmp

memory/2400-17-0x00007FFC01E80000-0x00007FFC02821000-memory.dmp

memory/2400-20-0x000000001C630000-0x000000001CAFE000-memory.dmp

memory/2400-21-0x000000001C060000-0x000000001C0FC000-memory.dmp

memory/2400-22-0x000000001CCE0000-0x000000001CD42000-memory.dmp

memory/2400-23-0x00007FFC01E80000-0x00007FFC02821000-memory.dmp

memory/2400-24-0x00007FFC01E80000-0x00007FFC02821000-memory.dmp

memory/2400-25-0x000000001C130000-0x000000001C138000-memory.dmp

memory/2400-26-0x00007FFC01E80000-0x00007FFC02821000-memory.dmp

memory/2400-27-0x00007FFC01E80000-0x00007FFC02821000-memory.dmp

memory/2400-28-0x00007FFC01E80000-0x00007FFC02821000-memory.dmp

memory/2400-29-0x00007FFC01E80000-0x00007FFC02821000-memory.dmp

memory/2400-30-0x000000001EA10000-0x000000001EB4C000-memory.dmp

memory/2400-31-0x0000000020D10000-0x000000002121E000-memory.dmp

memory/2400-32-0x00007FFC01E80000-0x00007FFC02821000-memory.dmp

memory/2400-33-0x00007FFC02135000-0x00007FFC02136000-memory.dmp

memory/2400-34-0x00007FFC01E80000-0x00007FFC02821000-memory.dmp

memory/2400-36-0x00007FFC01E80000-0x00007FFC02821000-memory.dmp