Malware Analysis Report

2024-08-06 13:23

Sample ID 240616-zy9sgsxhrb
Target b536fb920e7ef641d548d0a402a29735_JaffaCakes118
SHA256 6542ea63971032f653f080578ed064421a60fd87102bacb3fe10c2dd774bad41
Tags
azorult infostealer persistence trojan
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

6542ea63971032f653f080578ed064421a60fd87102bacb3fe10c2dd774bad41

Threat Level: Known bad

The file b536fb920e7ef641d548d0a402a29735_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

azorult infostealer persistence trojan

Azorult

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Modifies Internet Explorer settings

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Privilege Escalation
TA0004
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Defense Evasion
TA0005
Modify Registry
T1112
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-16 21:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 21:08

Reported

2024-06-16 21:11

Platform

win7-20240508-en

Max time kernel

120s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe"

Signatures

Azorult

trojan infostealer azorult

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\TILLYSNINGEN = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Predemand.exe" C:\Windows\SysWOW64\mshta.exe N/A

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\SysWOW64\mshta.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Predemand.exe N/A

Suspicious use of UnmapMainImage

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1964 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe C:\Windows\SysWOW64\mshta.exe
PID 1964 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe C:\Windows\SysWOW64\mshta.exe
PID 1964 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe C:\Windows\SysWOW64\mshta.exe
PID 1964 wrote to memory of 1980 N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe C:\Windows\SysWOW64\mshta.exe
PID 1964 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\Predemand.exe
PID 1964 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\Predemand.exe
PID 1964 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\Predemand.exe
PID 1964 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\Predemand.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe"

C:\Windows\SysWOW64\mshta.exe

"C:\Windows\System32\mshta.exe" vbscript:Execute(" Set WshShell = CreateObject(""WScript.Shell"") : myKey = ""HKCU\Software\Microsoft\Windows\CurrentVersion\Run\TILLYSNINGEN"" : WshShell.RegWrite myKey,""C:\Users\Admin\AppData\Local\Temp\Predemand.exe"",""REG_SZ"" : window.close")

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 sewakoto.us udp
US 8.8.8.8:53 sewakoto.us udp

Files

memory/1964-3-0x0000000077C71000-0x0000000077D72000-memory.dmp

memory/1964-4-0x0000000077C70000-0x0000000077E19000-memory.dmp

\Users\Admin\AppData\Local\Temp\Predemand.exe

MD5 4e69ea4634d3359e0e1f3002f0b04207
SHA1 4be6f8f9f370704676f7cc6a36772bd3dbfda2f5
SHA256 142736ef1560b1a3fea549754afc298eb5e22f92b9aeda3a8b3b989f02e1c37c
SHA512 d7d0180acd16ded85501db6ed986aa710716f228b582a88d100ace812d5889a71dca64eca88eaeba6f8a332155eaea7d61260e159d8d96718178793d8004ae21

memory/2568-18-0x0000000000400000-0x0000000000420000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 21:08

Reported

2024-06-16 21:11

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe"

Signatures

Azorult

trojan infostealer azorult

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TILLYSNINGEN = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Predemand.exe" C:\Windows\SysWOW64\mshta.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Predemand.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 760 wrote to memory of 4732 N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe C:\Windows\SysWOW64\mshta.exe
PID 760 wrote to memory of 4732 N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe C:\Windows\SysWOW64\mshta.exe
PID 760 wrote to memory of 4732 N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe C:\Windows\SysWOW64\mshta.exe
PID 760 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\Predemand.exe
PID 760 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\Predemand.exe
PID 760 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\Predemand.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b536fb920e7ef641d548d0a402a29735_JaffaCakes118.exe"

C:\Windows\SysWOW64\mshta.exe

"C:\Windows\System32\mshta.exe" vbscript:Execute(" Set WshShell = CreateObject(""WScript.Shell"") : myKey = ""HKCU\Software\Microsoft\Windows\CurrentVersion\Run\TILLYSNINGEN"" : WshShell.RegWrite myKey,""C:\Users\Admin\AppData\Local\Temp\Predemand.exe"",""REG_SZ"" : window.close")

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

"C:\Users\Admin\AppData\Local\Temp\Predemand.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
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 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 sewakoto.us udp
US 8.8.8.8:53 sewakoto.us udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 241.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/760-3-0x0000000077091000-0x00000000771B1000-memory.dmp

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

MD5 4e69ea4634d3359e0e1f3002f0b04207
SHA1 4be6f8f9f370704676f7cc6a36772bd3dbfda2f5
SHA256 142736ef1560b1a3fea549754afc298eb5e22f92b9aeda3a8b3b989f02e1c37c
SHA512 d7d0180acd16ded85501db6ed986aa710716f228b582a88d100ace812d5889a71dca64eca88eaeba6f8a332155eaea7d61260e159d8d96718178793d8004ae21

memory/2796-14-0x0000000000400000-0x0000000000420000-memory.dmp