Malware Analysis Report

2024-11-16 13:21

Sample ID 240614-fapb4avgmc
Target a8073d4bfee55724699f138d19c57d48_JaffaCakes118
SHA256 71e7179db9553fd85ccb1bf4c43293a135e8ee813fcaffe75e66ead9c71f1b4e
Tags
discovery evasion persistence trojan
score
7/10

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
7/10

SHA256

71e7179db9553fd85ccb1bf4c43293a135e8ee813fcaffe75e66ead9c71f1b4e

Threat Level: Shows suspicious behavior

The file a8073d4bfee55724699f138d19c57d48_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery evasion persistence trojan

Registers COM server for autorun

Checks installed software on the system

Checks whether UAC is enabled

Unsigned PE

Modifies Internet Explorer settings

Modifies registry class

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-14 04:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 04:40

Reported

2024-06-14 04:42

Platform

win7-20240611-en

Max time kernel

119s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe"

Signatures

Registers COM server for autorun

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32 C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A

Checks installed software on the system

discovery

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32 C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Programmable C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32 C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\Version = "1.0" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\ = "JSIELib" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\Version = "1.0" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\CLSID C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040} C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\FLAGS\ = "0" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0 C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\FLAGS C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0\win32 C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5} C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib\ = "{7E77E9F2-D76B-4D54-B515-9A7F93DF03DF}" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Interface C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326} C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\Interface C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326} C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0 C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\ = "TinyJSObject Class" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version\ = "1.0" C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32 C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\TypeLib C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 r1.joburnt.net udp
US 8.8.8.8:53 c1.allocal.info udp
US 8.8.8.8:53 c2.allocal.info udp

Files

memory/2264-2-0x0000000001F90000-0x00000000020D6000-memory.dmp

memory/2264-11-0x0000000001F90000-0x00000000020D6000-memory.dmp

memory/2264-10-0x0000000001F90000-0x00000000020D6000-memory.dmp

memory/2264-9-0x0000000001F90000-0x00000000020D6000-memory.dmp

memory/2264-13-0x00000000002C0000-0x00000000002C1000-memory.dmp

memory/2264-15-0x00000000002C0000-0x00000000002C1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 04:40

Reported

2024-06-14 04:42

Platform

win10v2004-20240611-en

Max time kernel

125s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a8073d4bfee55724699f138d19c57d48_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=4184,i,11751898164297348119,13021661521765644467,262144 --variations-seed-version --mojo-platform-channel-handle=3580 /prefetch:8

Network

Country Destination Domain Proto
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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
BE 88.221.83.208:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 208.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/3024-3-0x0000000002560000-0x00000000026A6000-memory.dmp

memory/3024-9-0x0000000002560000-0x00000000026A6000-memory.dmp