Malware Analysis Report

2025-04-03 09:47

Sample ID 240331-jztvnaha72
Target 515f7da0562307df4c9354d5d5486e4f_JaffaCakes118
SHA256 ae30c77472bd494b2116c5ef0fc7bedc11fca5a57c4796e316333d95ef61f437
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

ae30c77472bd494b2116c5ef0fc7bedc11fca5a57c4796e316333d95ef61f437

Threat Level: Known bad

The file 515f7da0562307df4c9354d5d5486e4f_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

outlook_office_path

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-31 08:06

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

2024-03-31 08:06

Reported

2024-03-31 08:09

Platform

win10v2004-20231215-en

Max time kernel

90s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\zknj.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 1696 wrote to memory of 2376 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1696 wrote to memory of 2376 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1696 wrote to memory of 2376 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\zknj.dll,#1

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2376 -ip 2376

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 724

Network

Country Destination Domain Proto
US 8.8.8.8:53 41.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
GB 23.44.234.16:80 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-31 08:06

Reported

2024-03-31 08:09

Platform

win7-20240319-en

Max time kernel

142s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_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\515f7da0562307df4c9354d5d5486e4f_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-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_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\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2316 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe
PID 2316 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe
PID 2316 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe
PID 2316 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe
PID 2316 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe
PID 2316 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe
PID 2316 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe
PID 2316 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe
PID 2316 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe
PID 2316 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 63.250.40.204:80 tcp
US 63.250.40.204:80 tcp
US 63.250.40.204:80 tcp
US 63.250.40.204:80 tcp
US 63.250.40.204:80 tcp
US 63.250.40.204:80 tcp

Files

\Users\Admin\AppData\Local\Temp\nsi338F.tmp\zknj.dll

MD5 9341d7e6ace114d0d860b083a0abe0b6
SHA1 dac2d2f0b2d50b21440fb8afb3de23f83a59374a
SHA256 6cccaba74963a25e1d95ef66e14ef02cd7b45331d5054a35d3eecf0ae9cfd160
SHA512 dd23f98e305f9e6acf69791604bc306d49290570ca7a8bc982be3d68f3f5f7bbcd57703ba5d5577759f370f0a1070f912e9e0629fa1bbdbc4a02a8a07ea87cd0

memory/2740-8-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/2740-10-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/2740-14-0x0000000000400000-0x00000000004A2000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2610426812-2871295383-373749122-1000\0f5007522459c86e95ffcc62f32308f1_48674c58-8cfd-4d65-8b7c-e55c67722e1b

MD5 d898504a722bff1524134c6ab6a5eaa5
SHA1 e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
SHA256 878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
SHA512 26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2610426812-2871295383-373749122-1000\0f5007522459c86e95ffcc62f32308f1_48674c58-8cfd-4d65-8b7c-e55c67722e1b

MD5 c07225d4e7d01d31042965f048728a0a
SHA1 69d70b340fd9f44c89adb9a2278df84faa9906b7
SHA256 8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
SHA512 23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b

memory/2740-32-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/2740-54-0x0000000000400000-0x00000000004A2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-31 08:06

Reported

2024-03-31 08:09

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\515f7da0562307df4c9354d5d5486e4f_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2064 -ip 2064

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 1056

Network

Country Destination Domain Proto
US 8.8.8.8:53 40.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.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 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 27.173.189.20.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\nsn4DF2.tmp\zknj.dll

MD5 9341d7e6ace114d0d860b083a0abe0b6
SHA1 dac2d2f0b2d50b21440fb8afb3de23f83a59374a
SHA256 6cccaba74963a25e1d95ef66e14ef02cd7b45331d5054a35d3eecf0ae9cfd160
SHA512 dd23f98e305f9e6acf69791604bc306d49290570ca7a8bc982be3d68f3f5f7bbcd57703ba5d5577759f370f0a1070f912e9e0629fa1bbdbc4a02a8a07ea87cd0

Analysis: behavioral3

Detonation Overview

Submitted

2024-03-31 08:06

Reported

2024-03-31 08:09

Platform

win7-20240215-en

Max time kernel

117s

Max time network

118s

Command Line

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

Signatures

Processes

C:\Windows\system32\rundll32.exe

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

C:\Windows\SysWOW64\rundll32.exe

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 260

Network

N/A

Files

N/A