Malware Analysis Report

2024-10-23 16:34

Sample ID 241015-vvxlja1cjm
Target 490f448cdc7d37fc3612a1bb5cf9d085_JaffaCakes118
SHA256 77dffca001c85556b1f18d671d7a3f4224ffaefffa4da44c43a7cb0a437c60be
Tags
arkei default stealer discovery
score
10/10

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
10/10

SHA256

77dffca001c85556b1f18d671d7a3f4224ffaefffa4da44c43a7cb0a437c60be

Threat Level: Known bad

The file 490f448cdc7d37fc3612a1bb5cf9d085_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

arkei default stealer discovery

Arkei

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-15 17:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-15 17:19

Reported

2024-10-15 17:21

Platform

win7-20240708-en

Max time kernel

16s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\490f448cdc7d37fc3612a1bb5cf9d085_JaffaCakes118.exe"

Signatures

Arkei

stealer arkei

Processes

C:\Users\Admin\AppData\Local\Temp\490f448cdc7d37fc3612a1bb5cf9d085_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\490f448cdc7d37fc3612a1bb5cf9d085_JaffaCakes118.exe"

Network

N/A

Files

memory/964-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

memory/964-2-0x0000000000400000-0x000000000041B000-memory.dmp

memory/964-3-0x0000000000400000-0x000000000043F000-memory.dmp

memory/964-4-0x0000000000400000-0x000000000043F000-memory.dmp

memory/964-5-0x0000000000400000-0x000000000041B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-15 17:19

Reported

2024-10-15 17:21

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\490f448cdc7d37fc3612a1bb5cf9d085_JaffaCakes118.exe"

Signatures

Arkei

stealer arkei

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\490f448cdc7d37fc3612a1bb5cf9d085_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\490f448cdc7d37fc3612a1bb5cf9d085_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\490f448cdc7d37fc3612a1bb5cf9d085_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3968 -ip 3968

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 548

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/3968-2-0x0000000002190000-0x00000000021A9000-memory.dmp

memory/3968-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

memory/3968-3-0x0000000000400000-0x000000000041B000-memory.dmp

memory/3968-6-0x0000000000400000-0x000000000041B000-memory.dmp

memory/3968-5-0x0000000002190000-0x00000000021A9000-memory.dmp

memory/3968-4-0x0000000000400000-0x000000000043F000-memory.dmp