Malware Analysis Report

2024-07-28 15:31

Sample ID 240613-12tq4ssckb
Target a6d073f7d6181b5becf823673fa69574_JaffaCakes118
SHA256 158856083e8e8173d308229e9a34cf33a739d88b5893808d3a6cb90e4b7eaa77
Tags
evasion
score
9/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

158856083e8e8173d308229e9a34cf33a739d88b5893808d3a6cb90e4b7eaa77

Threat Level: Likely malicious

The file a6d073f7d6181b5becf823673fa69574_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

evasion

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

Checks computer location settings

Executes dropped EXE

Drops desktop.ini file(s)

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Enumerates system info in registry

Suspicious use of WriteProcessMemory

Modifies system certificate store

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Virtualization/Sandbox Evasion
T1497
Subvert Trust Controls
T1553
Install Root Certificate
T1553.004
Modify Registry
T1112
Credential Access
TA0006
Discovery
TA0007
Query Registry
T1012
Virtualization/Sandbox Evasion
T1497
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-13 22:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 22:09

Reported

2024-06-13 22:11

Platform

win7-20231129-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a6d073f7d6181b5becf823673fa69574_JaffaCakes118.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a6d073f7d6181b5becf823673fa69574_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a6d073f7d6181b5becf823673fa69574_JaffaCakes118.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 22:09

Reported

2024-06-13 22:11

Platform

win10v2004-20240611-en

Max time kernel

130s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a6d073f7d6181b5becf823673fa69574_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\a6d073f7d6181b5becf823673fa69574_JaffaCakes118.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\a6d073f7d6181b5becf823673fa69574_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n8246\s8246.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\n8246\s8246.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n8246\s8246.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\n8246\s8246.exe N/A
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n8246\s8246.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n8246\s8246.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\a6d073f7d6181b5becf823673fa69574_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\a6d073f7d6181b5becf823673fa69574_JaffaCakes118.exe N/A

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81 C:\Users\Admin\AppData\Local\Temp\n8246\s8246.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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 C:\Users\Admin\AppData\Local\Temp\n8246\s8246.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\91C6D6EE3E8AC86384E548C299295C756C817B81\Blob = 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 C:\Users\Admin\AppData\Local\Temp\n8246\s8246.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a6d073f7d6181b5becf823673fa69574_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a6d073f7d6181b5becf823673fa69574_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n8246\s8246.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n8246\s8246.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n8246\s8246.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\n8246\s8246.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n8246\s8246.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n8246\s8246.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2880 wrote to memory of 3912 N/A C:\Users\Admin\AppData\Local\Temp\a6d073f7d6181b5becf823673fa69574_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\n8246\s8246.exe
PID 2880 wrote to memory of 3912 N/A C:\Users\Admin\AppData\Local\Temp\a6d073f7d6181b5becf823673fa69574_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\n8246\s8246.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a6d073f7d6181b5becf823673fa69574_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a6d073f7d6181b5becf823673fa69574_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\n8246\s8246.exe

"C:\Users\Admin\AppData\Local\Temp\n8246\s8246.exe" 5166ee5aef5b56e81bca9b49Wf0RNMc+DUrrME/ORrRG0Gl1N67bC5a4VaKbjXDbMmJjUB2QuagBl9HK1stkiV4PPKt1Ba1QI0uBPPCBMtALC18+EIuetrLapwL58bvhHuteJsUmErlZ9H5Wg6ollZjsJFGmRJrjtLTYhrzhDoutTvZzGeGDagHQwVbefSXa /v "C:\Users\Admin\AppData\Local\Temp\a6d073f7d6181b5becf823673fa69574_JaffaCakes118.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 --field-trial-handle=4148,i,6041070687820623968,3004230300437737550,262144 --variations-seed-version --mojo-platform-channel-handle=1328 /prefetch:8

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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 ocsp.thawte.com udp
US 152.199.19.74:80 ocsp.thawte.com tcp
US 8.8.8.8:53 crl.thawte.com udp
US 8.8.8.8:53 74.19.199.152.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
SE 192.229.221.95:80 crl.thawte.com tcp
US 8.8.8.8:53 th.symcd.com udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 152.199.19.74:80 th.symcd.com tcp
US 8.8.8.8:53 baceb.northstar.api.socdn.com udp
US 13.248.148.254:80 baceb.northstar.api.socdn.com tcp
US 8.8.8.8:53 254.148.248.13.in-addr.arpa udp
US 13.248.148.254:80 baceb.northstar.api.socdn.com tcp
US 13.248.148.254:80 baceb.northstar.api.socdn.com tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 13.179.89.13.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\n8246\s8246.exe

MD5 d438749bcfe5bcdf1d59cbbb82341315
SHA1 2f4176c631e0190f35eb2963a4f8ad692fdcd6b7
SHA256 0aa566ada2feeb1714acd636da309edc6c3a9b0b8873d97942b55e053e55dd42
SHA512 f6ea2cf132c6564d685a6386705f2ff9b3912697f70d3e97e1754084c6c589141f3f72d6d82eeb6cc677a331325ab486389b1e3a202b7b21149499e8c020c67e

memory/3912-12-0x00007FFD933A5000-0x00007FFD933A6000-memory.dmp

memory/3912-13-0x00007FFD930F0000-0x00007FFD93A91000-memory.dmp

memory/3912-27-0x000000001B400000-0x000000001B410000-memory.dmp

memory/3912-30-0x000000001BE30000-0x000000001C2FE000-memory.dmp

memory/3912-31-0x000000001C3A0000-0x000000001C43C000-memory.dmp

memory/3912-32-0x00007FFD930F0000-0x00007FFD93A91000-memory.dmp

memory/3912-33-0x000000001C590000-0x000000001C5F2000-memory.dmp

memory/3912-34-0x00007FFD930F0000-0x00007FFD93A91000-memory.dmp

memory/3912-35-0x00007FFD930F0000-0x00007FFD93A91000-memory.dmp

memory/3912-36-0x000000001B420000-0x000000001B428000-memory.dmp

memory/3912-37-0x00007FFD930F0000-0x00007FFD93A91000-memory.dmp

memory/3912-38-0x00007FFD930F0000-0x00007FFD93A91000-memory.dmp

memory/3912-39-0x00007FFD930F0000-0x00007FFD93A91000-memory.dmp

memory/3912-40-0x00007FFD930F0000-0x00007FFD93A91000-memory.dmp

memory/3912-41-0x00007FFD933A5000-0x00007FFD933A6000-memory.dmp

memory/3912-42-0x00007FFD930F0000-0x00007FFD93A91000-memory.dmp

memory/3912-43-0x000000001FF10000-0x000000002004C000-memory.dmp

memory/3912-44-0x0000000020560000-0x0000000020A6E000-memory.dmp

memory/3912-45-0x00007FFD930F0000-0x00007FFD93A91000-memory.dmp

memory/3912-46-0x00007FFD930F0000-0x00007FFD93A91000-memory.dmp

memory/3912-47-0x00007FFD930F0000-0x00007FFD93A91000-memory.dmp

memory/3912-48-0x00007FFD930F0000-0x00007FFD93A91000-memory.dmp

memory/3912-49-0x00007FFD930F0000-0x00007FFD93A91000-memory.dmp

memory/3912-51-0x00007FFD930F0000-0x00007FFD93A91000-memory.dmp