Malware Analysis Report

2025-01-06 10:59

Sample ID 240603-fjmvmacb4v
Target 9097b1efe3012d1549bd65c93baa4aa8_JaffaCakes118
SHA256 ae8835b63ab48b083f0acb67d510bd09e00af445477f12d559ccf708a86da5fd
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

ae8835b63ab48b083f0acb67d510bd09e00af445477f12d559ccf708a86da5fd

Threat Level: Likely malicious

The file 9097b1efe3012d1549bd65c93baa4aa8_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

evasion

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

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Drops desktop.ini file(s)

Drops file in Windows directory

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Enumerates system info in registry

Suspicious use of WriteProcessMemory

Modifies system certificate store

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 04:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 04:54

Reported

2024-06-03 04:56

Platform

win7-20240508-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9097b1efe3012d1549bd65c93baa4aa8_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\9097b1efe3012d1549bd65c93baa4aa8_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n1440\s1440.exe N/A

Enumerates physical storage devices

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\9097b1efe3012d1549bd65c93baa4aa8_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\9097b1efe3012d1549bd65c93baa4aa8_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\n1440\s1440.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n1440\s1440.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n1440\s1440.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9097b1efe3012d1549bd65c93baa4aa8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9097b1efe3012d1549bd65c93baa4aa8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\n1440\s1440.exe

"C:\Users\Admin\AppData\Local\Temp\n1440\s1440.exe" ins.exe /e 12909087 /h cee6a9.api.socdn.com /u c9b95e88-a5fe-11e3-8a58-80c16e6f498c /v "C:\Users\Admin\AppData\Local\Temp\9097b1efe3012d1549bd65c93baa4aa8_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 crl.globalsign.net udp
US 104.18.20.226:80 crl.globalsign.net tcp
US 8.8.8.8:53 cee6a9.api.socdn.com udp
US 76.223.26.96:80 cee6a9.api.socdn.com tcp

Files

\Users\Admin\AppData\Local\Temp\n1440\s1440.exe

MD5 39d6a082978e8a365da5acf55a64a72c
SHA1 af8904ce5d78994143df39647d52667ff32ec6e3
SHA256 4116788f634386025cb55ea03fc3cf33724f05e4546ee9bd6dcb8bddf3018e0d
SHA512 9f91087787092469a05571fe73dce71dbcdbb7531d44b49ea57c17c97d422fba65255ad678bfd231fcc9156915bf578aeb7e5ade898218a3ae61e5e4d534baf6

memory/2284-17-0x000007FEF585E000-0x000007FEF585F000-memory.dmp

memory/2284-18-0x000007FEF55A0000-0x000007FEF5F3D000-memory.dmp

memory/2284-34-0x00000000005A0000-0x00000000005AE000-memory.dmp

memory/2284-35-0x000007FEF55A0000-0x000007FEF5F3D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 04:54

Reported

2024-06-03 04:56

Platform

win10v2004-20240426-en

Max time kernel

93s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9097b1efe3012d1549bd65c93baa4aa8_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\9097b1efe3012d1549bd65c93baa4aa8_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\9097b1efe3012d1549bd65c93baa4aa8_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n1433\s1433.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\n1433\s1433.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n1433\s1433.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\n1433\s1433.exe N/A
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n1433\s1433.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n1433\s1433.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\9097b1efe3012d1549bd65c93baa4aa8_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\9097b1efe3012d1549bd65c93baa4aa8_JaffaCakes118.exe N/A

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C C:\Users\Admin\AppData\Local\Temp\n1433\s1433.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 C:\Users\Admin\AppData\Local\Temp\n1433\s1433.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\B1BC968BD4F49D622AA89A81F2150152A41D829C\Blob = 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 C:\Users\Admin\AppData\Local\Temp\n1433\s1433.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\n1433\s1433.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n1433\s1433.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n1433\s1433.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9097b1efe3012d1549bd65c93baa4aa8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\9097b1efe3012d1549bd65c93baa4aa8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\n1433\s1433.exe

"C:\Users\Admin\AppData\Local\Temp\n1433\s1433.exe" ins.exe /e 12909087 /h cee6a9.api.socdn.com /u c9b95e88-a5fe-11e3-8a58-80c16e6f498c /v "C:\Users\Admin\AppData\Local\Temp\9097b1efe3012d1549bd65c93baa4aa8_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1496 -ip 1496

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1496 -s 3856

Network

Country Destination Domain Proto
US 8.8.8.8:53 crl.globalsign.net udp
US 104.18.20.226:80 crl.globalsign.net tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 226.20.18.104.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 cee6a9.api.socdn.com udp
US 13.248.148.254:80 cee6a9.api.socdn.com tcp
US 8.8.8.8:53 254.148.248.13.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\n1433\s1433.exe

MD5 39d6a082978e8a365da5acf55a64a72c
SHA1 af8904ce5d78994143df39647d52667ff32ec6e3
SHA256 4116788f634386025cb55ea03fc3cf33724f05e4546ee9bd6dcb8bddf3018e0d
SHA512 9f91087787092469a05571fe73dce71dbcdbb7531d44b49ea57c17c97d422fba65255ad678bfd231fcc9156915bf578aeb7e5ade898218a3ae61e5e4d534baf6

memory/2412-14-0x00007FFF375F5000-0x00007FFF375F6000-memory.dmp

memory/2412-15-0x00007FFF37340000-0x00007FFF37CE1000-memory.dmp

memory/2412-24-0x0000000000D60000-0x0000000000D6E000-memory.dmp

memory/2412-27-0x000000001BE70000-0x000000001C33E000-memory.dmp

memory/2412-28-0x000000001C3E0000-0x000000001C47C000-memory.dmp

memory/2412-29-0x000000001C7A0000-0x000000001C802000-memory.dmp

memory/2412-30-0x00007FFF37340000-0x00007FFF37CE1000-memory.dmp

memory/2412-31-0x00007FFF37340000-0x00007FFF37CE1000-memory.dmp

memory/2412-32-0x0000000000D70000-0x0000000000D78000-memory.dmp

memory/2412-33-0x00007FFF37340000-0x00007FFF37CE1000-memory.dmp

memory/2412-34-0x00007FFF37340000-0x00007FFF37CE1000-memory.dmp

memory/2412-35-0x00007FFF37340000-0x00007FFF37CE1000-memory.dmp

memory/2412-36-0x00007FFF37340000-0x00007FFF37CE1000-memory.dmp

memory/2412-37-0x000000001E2C0000-0x000000001E3FC000-memory.dmp

memory/2412-38-0x0000000020480000-0x000000002098E000-memory.dmp

memory/2412-39-0x00007FFF37340000-0x00007FFF37CE1000-memory.dmp

memory/2412-40-0x00007FFF375F5000-0x00007FFF375F6000-memory.dmp

memory/2412-41-0x00007FFF37340000-0x00007FFF37CE1000-memory.dmp

memory/2412-42-0x00007FFF37340000-0x00007FFF37CE1000-memory.dmp

memory/2412-44-0x00007FFF37340000-0x00007FFF37CE1000-memory.dmp