Malware Analysis Report

2025-04-03 09:48

Sample ID 240329-a9vehadg66
Target 1467b6a392e31fdf968a1d500089acfb_JaffaCakes118
SHA256 4a07b3b4c08db64e0aa91b63b89bdf438814a5236de328efcb11fd9a78ed19bd
Tags
lokibot collection spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4a07b3b4c08db64e0aa91b63b89bdf438814a5236de328efcb11fd9a78ed19bd

Threat Level: Known bad

The file 1467b6a392e31fdf968a1d500089acfb_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

lokibot collection spyware stealer trojan

Lokibot

Reads user/profile data of web browsers

Loads dropped DLL

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Enumerates physical storage devices

NSIS installer

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

outlook_win_path

Suspicious use of WriteProcessMemory

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-29 00:55

Signatures

Unsigned PE

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

NSIS installer

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

Analysis: behavioral4

Detonation Overview

Submitted

2024-03-29 00:55

Reported

2024-03-29 00:57

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mxnklldcac.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 908 wrote to memory of 4512 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 908 wrote to memory of 4512 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 908 wrote to memory of 4512 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mxnklldcac.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mxnklldcac.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4512 -ip 4512

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 624

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 --no-appcompat-clear --mojo-platform-channel-handle=4156 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 98.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.200.42:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 42.200.250.142.in-addr.arpa udp
US 8.8.8.8:53 168.253.116.51.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-29 00:55

Reported

2024-03-29 00:57

Platform

win7-20240221-en

Max time kernel

142s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe"

Signatures

Lokibot

trojan spyware stealer lokibot

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe N/A

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1252 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe
PID 1252 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe
PID 1252 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe
PID 1252 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe
PID 1252 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe
PID 1252 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe
PID 1252 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe
PID 1252 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe
PID 1252 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe
PID 1252 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe"

Network

Country Destination Domain Proto
DE 136.243.159.53:80 tcp
DE 136.243.159.53:80 tcp
DE 136.243.159.53:80 tcp
DE 136.243.159.53:80 tcp
DE 136.243.159.53:80 tcp
DE 136.243.159.53:80 tcp

Files

\Users\Admin\AppData\Local\Temp\nsd7540.tmp\mxnklldcac.dll

MD5 e8821f4a219ccb45aed1c7612459085d
SHA1 5c484233d7cf59acc5298a23780afc0af780858e
SHA256 52e8f0963d2e0439aaf8d3ab16a984403c98d08b96c9a83ad44eee60b8596c7d
SHA512 4a3c87bd7cb72185b7cab1b2867b67cb873feb8a3c124cee809df4b373f50c6588c3422563b43abc0341138e2191a192845b3831f70b92bc57d1b2a8cc0087ac

memory/2060-8-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/2060-10-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/2060-14-0x0000000000400000-0x00000000004A2000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-330940541-141609230-1670313778-1000\0f5007522459c86e95ffcc62f32308f1_4456596e-0528-4680-8940-5edc26c0ff50

MD5 d898504a722bff1524134c6ab6a5eaa5
SHA1 e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
SHA256 878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
SHA512 26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-330940541-141609230-1670313778-1000\0f5007522459c86e95ffcc62f32308f1_4456596e-0528-4680-8940-5edc26c0ff50

MD5 c07225d4e7d01d31042965f048728a0a
SHA1 69d70b340fd9f44c89adb9a2278df84faa9906b7
SHA256 8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
SHA512 23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b

memory/2060-32-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/2060-54-0x0000000000400000-0x00000000004A2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-29 00:55

Reported

2024-03-29 00:57

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1467b6a392e31fdf968a1d500089acfb_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 232 -ip 232

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 980

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 98.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 78.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

C:\Users\Admin\AppData\Local\Temp\nso44E9.tmp\mxnklldcac.dll

MD5 e8821f4a219ccb45aed1c7612459085d
SHA1 5c484233d7cf59acc5298a23780afc0af780858e
SHA256 52e8f0963d2e0439aaf8d3ab16a984403c98d08b96c9a83ad44eee60b8596c7d
SHA512 4a3c87bd7cb72185b7cab1b2867b67cb873feb8a3c124cee809df4b373f50c6588c3422563b43abc0341138e2191a192845b3831f70b92bc57d1b2a8cc0087ac

Analysis: behavioral3

Detonation Overview

Submitted

2024-03-29 00:55

Reported

2024-03-29 00:57

Platform

win7-20240221-en

Max time kernel

119s

Max time network

124s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mxnklldcac.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mxnklldcac.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\mxnklldcac.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 236

Network

N/A

Files

N/A