Malware Analysis Report

2025-01-06 08:13

Sample ID 240604-b1laxagg5z
Target 934bfae26194c99f299ecd90468dc75c_JaffaCakes118
SHA256 5a518c95518f8b07466c21b60e6b00f95d71993370b8f8b4c83308e73d5c7cf7
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

5a518c95518f8b07466c21b60e6b00f95d71993370b8f8b4c83308e73d5c7cf7

Threat Level: Likely malicious

The file 934bfae26194c99f299ecd90468dc75c_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 behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-04 01:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 01:36

Reported

2024-06-04 01:40

Platform

win7-20240221-en

Max time kernel

117s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\934bfae26194c99f299ecd90468dc75c_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\934bfae26194c99f299ecd90468dc75c_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n2921\s2921.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\934bfae26194c99f299ecd90468dc75c_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Users\Admin\AppData\Local\Temp\934bfae26194c99f299ecd90468dc75c_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\934bfae26194c99f299ecd90468dc75c_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n2921\s2921.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\n2921\s2921.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n2921\s2921.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n2921\s2921.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\934bfae26194c99f299ecd90468dc75c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\934bfae26194c99f299ecd90468dc75c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\n2921\s2921.exe

"C:\Users\Admin\AppData\Local\Temp\n2921\s2921.exe" ins.exe /h 13a9a3.api.socdn.com /e 12912908 /u 76873fd7-d775-11e3-8a58-80c16e6f498c /t 54146c0e561ca3220a8b45a3 /v "C:\Users\Admin\AppData\Local\Temp\934bfae26194c99f299ecd90468dc75c_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 crl.globalsign.net udp
US 104.18.21.226:80 crl.globalsign.net tcp
US 8.8.8.8:53 13a9a3.api.socdn.com udp
US 76.223.26.96:80 13a9a3.api.socdn.com tcp

Files

\Users\Admin\AppData\Local\Temp\n2921\s2921.exe

MD5 b135fc75caa27de9314e7d980c51acaf
SHA1 7454bd6f8485da5464bb9a101cdc8464acc00a86
SHA256 06fb2b270b815539fba6c6755b96c41f1ae2d1cf8705a42cdcd643eb68355eba
SHA512 c9e02e843d1e4bdeae948828c389e76f80efd3bc412b5e90e29f5ee2b12f600c44a32a2995b1f8b7a46c15d2828fab23155fd4152b896893d7f40756ce1366fd

memory/1616-17-0x000007FEF5F4E000-0x000007FEF5F4F000-memory.dmp

memory/1616-18-0x000007FEF5C90000-0x000007FEF662D000-memory.dmp

memory/1616-34-0x00000000007A0000-0x00000000007AE000-memory.dmp

memory/1616-35-0x000007FEF5C90000-0x000007FEF662D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 01:36

Reported

2024-06-04 01:40

Platform

win10v2004-20240226-en

Max time kernel

113s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\934bfae26194c99f299ecd90468dc75c_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\934bfae26194c99f299ecd90468dc75c_JaffaCakes118.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\934bfae26194c99f299ecd90468dc75c_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n2967\s2967.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\n2967\s2967.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n2967\s2967.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\n2967\s2967.exe N/A
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n2967\s2967.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\n2967\s2967.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\934bfae26194c99f299ecd90468dc75c_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Local\Temp\934bfae26194c99f299ecd90468dc75c_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\n2967\s2967.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\n2967\s2967.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\n2967\s2967.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\934bfae26194c99f299ecd90468dc75c_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\934bfae26194c99f299ecd90468dc75c_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\n2967\s2967.exe

"C:\Users\Admin\AppData\Local\Temp\n2967\s2967.exe" ins.exe /h 13a9a3.api.socdn.com /e 12912908 /u 76873fd7-d775-11e3-8a58-80c16e6f498c /t 54146c0e561ca3220a8b45a3 /v "C:\Users\Admin\AppData\Local\Temp\934bfae26194c99f299ecd90468dc75c_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 --no-appcompat-clear --mojo-platform-channel-handle=2268 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2148 -ip 2148

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2148 -s 3780

Network

Country Destination Domain Proto
GB 216.58.201.106:443 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 crl.globalsign.net udp
US 104.18.20.226:80 crl.globalsign.net tcp
US 8.8.8.8:53 226.20.18.104.in-addr.arpa udp
US 8.8.8.8:53 226.21.18.104.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 13a9a3.api.socdn.com udp
US 13.248.148.254:80 13a9a3.api.socdn.com tcp
US 8.8.8.8:53 254.148.248.13.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\n2967\s2967.exe

MD5 b135fc75caa27de9314e7d980c51acaf
SHA1 7454bd6f8485da5464bb9a101cdc8464acc00a86
SHA256 06fb2b270b815539fba6c6755b96c41f1ae2d1cf8705a42cdcd643eb68355eba
SHA512 c9e02e843d1e4bdeae948828c389e76f80efd3bc412b5e90e29f5ee2b12f600c44a32a2995b1f8b7a46c15d2828fab23155fd4152b896893d7f40756ce1366fd

memory/948-14-0x00007FFC23105000-0x00007FFC23106000-memory.dmp

memory/948-15-0x00007FFC22E50000-0x00007FFC237F1000-memory.dmp

memory/948-22-0x00000000016F0000-0x00000000016FE000-memory.dmp

memory/948-25-0x000000001C940000-0x000000001CE0E000-memory.dmp

memory/948-26-0x000000001CEB0000-0x000000001CF4C000-memory.dmp

memory/948-27-0x00000000016E0000-0x00000000016E8000-memory.dmp

memory/948-28-0x00007FFC23105000-0x00007FFC23106000-memory.dmp

memory/948-29-0x00007FFC22E50000-0x00007FFC237F1000-memory.dmp

memory/948-30-0x00007FFC22E50000-0x00007FFC237F1000-memory.dmp

memory/948-31-0x00007FFC22E50000-0x00007FFC237F1000-memory.dmp

memory/948-32-0x00007FFC22E50000-0x00007FFC237F1000-memory.dmp

memory/948-33-0x00007FFC22E50000-0x00007FFC237F1000-memory.dmp

memory/948-34-0x00007FFC22E50000-0x00007FFC237F1000-memory.dmp

memory/948-35-0x0000000020510000-0x0000000020572000-memory.dmp

memory/948-36-0x00000000209D0000-0x0000000020B0C000-memory.dmp

memory/948-37-0x0000000021020000-0x000000002152E000-memory.dmp

memory/948-38-0x00007FFC22E50000-0x00007FFC237F1000-memory.dmp

memory/948-39-0x00007FFC22E50000-0x00007FFC237F1000-memory.dmp

memory/948-41-0x00007FFC22E50000-0x00007FFC237F1000-memory.dmp