Malware Analysis Report

2024-09-22 21:55

Sample ID 240726-w99ebaxbml
Target 753f316cffd68bd3c5161c8387a770b4_JaffaCakes118
SHA256 1ef805d037a3e6d5667c5f09316d85231d217c452c0759fd16ccd34f75e3c22c
Tags
oski credential_access discovery infostealer spyware stealer
score
10/10

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
10/10

SHA256

1ef805d037a3e6d5667c5f09316d85231d217c452c0759fd16ccd34f75e3c22c

Threat Level: Known bad

The file 753f316cffd68bd3c5161c8387a770b4_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

oski credential_access discovery infostealer spyware stealer

Oski

Credentials from Password Stores: Credentials from Web Browsers

Reads user/profile data of web browsers

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-26 18:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-26 18:38

Reported

2024-07-26 22:56

Platform

win7-20240708-en

Max time kernel

54s

Max time network

47s

Command Line

"C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe"

Signatures

Oski

infostealer oski

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Reads user/profile data of web browsers

spyware stealer

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2876 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 2876 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 2876 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 2876 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 2876 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 2876 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 2876 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 2876 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 2876 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 2876 wrote to memory of 2100 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 2100 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2100 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2100 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2100 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe

"{path}"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 760

Network

Country Destination Domain Proto
US 8.8.8.8:53 hanxlas.ac.ug udp

Files

memory/2876-0-0x000000007495E000-0x000000007495F000-memory.dmp

memory/2876-1-0x0000000000A10000-0x0000000000AC4000-memory.dmp

memory/2876-2-0x0000000074950000-0x000000007503E000-memory.dmp

memory/2876-3-0x0000000000320000-0x0000000000328000-memory.dmp

memory/2876-4-0x000000007495E000-0x000000007495F000-memory.dmp

memory/2876-5-0x0000000074950000-0x000000007503E000-memory.dmp

memory/2876-6-0x0000000005EB0000-0x0000000005F42000-memory.dmp

memory/2100-7-0x0000000000400000-0x0000000000434000-memory.dmp

memory/2100-14-0x0000000000400000-0x0000000000434000-memory.dmp

memory/2100-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2100-11-0x0000000000400000-0x0000000000434000-memory.dmp

memory/2100-10-0x0000000000400000-0x0000000000434000-memory.dmp

memory/2100-8-0x0000000000400000-0x0000000000434000-memory.dmp

memory/2100-9-0x0000000000400000-0x0000000000434000-memory.dmp

memory/2100-17-0x0000000000400000-0x0000000000434000-memory.dmp

memory/2100-16-0x0000000000400000-0x0000000000434000-memory.dmp

memory/2876-18-0x0000000074950000-0x000000007503E000-memory.dmp

memory/2100-20-0x0000000000400000-0x0000000000434000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-26 18:38

Reported

2024-07-26 22:56

Platform

win10v2004-20240709-en

Max time kernel

134s

Max time network

106s

Command Line

"C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe"

Signatures

Oski

infostealer oski

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Reads user/profile data of web browsers

spyware stealer

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3156 wrote to memory of 4624 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 3156 wrote to memory of 4624 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 3156 wrote to memory of 4624 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 3156 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 3156 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 3156 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 3156 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 3156 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 3156 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 3156 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 3156 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe
PID 3156 wrote to memory of 1792 N/A C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe

"{path}"

C:\Users\Admin\AppData\Local\Temp\753f316cffd68bd3c5161c8387a770b4_JaffaCakes118.exe

"{path}"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 1792 -ip 1792

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 1304

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.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 hanxlas.ac.ug udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/3156-0-0x00000000750AE000-0x00000000750AF000-memory.dmp

memory/3156-1-0x00000000001F0000-0x00000000002A4000-memory.dmp

memory/3156-2-0x0000000005060000-0x0000000005604000-memory.dmp

memory/3156-3-0x0000000004B50000-0x0000000004BE2000-memory.dmp

memory/3156-4-0x0000000004B30000-0x0000000004B3A000-memory.dmp

memory/3156-5-0x00000000750A0000-0x0000000075850000-memory.dmp

memory/3156-6-0x00000000079A0000-0x0000000007A3C000-memory.dmp

memory/3156-7-0x0000000007900000-0x0000000007908000-memory.dmp

memory/3156-8-0x00000000750AE000-0x00000000750AF000-memory.dmp

memory/3156-9-0x00000000750A0000-0x0000000075850000-memory.dmp

memory/3156-10-0x0000000007A40000-0x0000000007AD2000-memory.dmp

memory/1792-11-0x0000000000400000-0x0000000000434000-memory.dmp

memory/1792-12-0x0000000000400000-0x0000000000434000-memory.dmp

memory/1792-14-0x0000000000400000-0x0000000000434000-memory.dmp

memory/1792-15-0x0000000000400000-0x0000000000434000-memory.dmp

memory/3156-16-0x00000000750A0000-0x0000000075850000-memory.dmp

memory/1792-19-0x0000000000400000-0x0000000000434000-memory.dmp