Malware Analysis Report

2024-09-11 13:19

Sample ID 240613-27q3vaybrq
Target a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118
SHA256 2ef7a67f484ca72228fd9e7de3cf7b31404845781f455d57cb49dc77762367f5
Tags
discovery evasion persistence trojan
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

2ef7a67f484ca72228fd9e7de3cf7b31404845781f455d57cb49dc77762367f5

Threat Level: Shows suspicious behavior

The file a70d4c7907a38b7ba161a7f49b213130_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

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

Modifies registry class

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-13 23:13

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 23:13

Reported

2024-06-13 23:16

Platform

win10v2004-20240611-en

Max time kernel

93s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe"

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
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 102.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 32.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/1380-2-0x0000000002B10000-0x0000000002C55000-memory.dmp

memory/1380-9-0x0000000002B10000-0x0000000002C55000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 23:13

Reported

2024-06-13 23:16

Platform

win7-20240508-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe"

Signatures

Registers COM server for autorun

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32 C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_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\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5} C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Programmable C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0\win32 C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326} C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32 C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\FLAGS\ = "0" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version\ = "1.0" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\HELPDIR C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0 C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\ = "JSIELib" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\0 C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\Version = "1.0" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32 C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\ = "TinyJSObject Class" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\TypeLib\ = "{7E77E9F2-D76B-4D54-B515-9A7F93DF03DF}" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040}\1.0\FLAGS C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\Version = "1.0" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32 C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\LocalServer32\ServerExecutable = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326} C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib\ = "{157B1AA6-3E5C-404A-9118-C1D91F537040}" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\CLSID\{F28C2F70-47DE-4EA5-8F6D-7D1476CD1EF5}\Version C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\TypeLib\{157B1AA6-3E5C-404A-9118-C1D91F537040} C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\ = "ITinyJSObject" C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\Wow6432Node\Interface\{3B3F3AAD-FB97-49FF-BFEE-D22869AC4326}\TypeLib C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a70d4c7907a38b7ba161a7f49b213130_JaffaCakes118.exe"

Network

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

Files

memory/2220-2-0x0000000002300000-0x0000000002445000-memory.dmp

memory/2220-11-0x0000000002300000-0x0000000002445000-memory.dmp

memory/2220-10-0x0000000002300000-0x0000000002445000-memory.dmp

memory/2220-9-0x0000000002300000-0x0000000002445000-memory.dmp

memory/2220-13-0x0000000000170000-0x0000000000171000-memory.dmp

memory/2220-15-0x0000000000170000-0x0000000000171000-memory.dmp