Malware Analysis Report

2024-11-30 23:46

Sample ID 240916-meersascrb
Target e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118
SHA256 d5d66c62abb9b7a8c80feeee0306f9cbdf0e4a5f2b992231c23ba75342f9d017
Tags
upx lokibot collection credential_access discovery persistence spyware stealer trojan
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

d5d66c62abb9b7a8c80feeee0306f9cbdf0e4a5f2b992231c23ba75342f9d017

Threat Level: Known bad

The file e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

upx lokibot collection credential_access discovery persistence spyware stealer trojan

Lokibot

Credentials from Password Stores: Credentials from Web Browsers

Reads user/profile data of web browsers

UPX packed file

Adds Run key to start application

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

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

2024-09-16 10:22

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-16 10:22

Reported

2024-09-16 10:25

Platform

win7-20240903-en

Max time kernel

144s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe"

Signatures

Lokibot

trojan spyware stealer lokibot

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Reads user/profile data of web browsers

spyware stealer

UPX packed file

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mozilla = "C:\\Users\\Admin\\AppData\\Local\\Mozilla\\MiniCalc.exe" C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A

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\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2436 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe
PID 2436 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe
PID 2436 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe
PID 2436 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe
PID 2436 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe
PID 2436 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe
PID 2436 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe
PID 2436 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe
PID 2436 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 brysonsqroup.com udp

Files

memory/2436-0-0x0000000000400000-0x0000000000516000-memory.dmp

memory/2436-1-0x00000000001B0000-0x00000000001B1000-memory.dmp

memory/1748-7-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/2436-18-0x0000000000400000-0x0000000000516000-memory.dmp

memory/1748-19-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/1748-17-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/1748-13-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/1748-11-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/1748-9-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/1748-5-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/1748-3-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/1748-23-0x0000000000400000-0x00000000004A2000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-457978338-2990298471-2379561640-1000\0f5007522459c86e95ffcc62f32308f1_7ab03691-fc7c-4787-903d-423aed4b9dc2

MD5 d898504a722bff1524134c6ab6a5eaa5
SHA1 e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
SHA256 878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
SHA512 26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-457978338-2990298471-2379561640-1000\0f5007522459c86e95ffcc62f32308f1_7ab03691-fc7c-4787-903d-423aed4b9dc2

MD5 c07225d4e7d01d31042965f048728a0a
SHA1 69d70b340fd9f44c89adb9a2278df84faa9906b7
SHA256 8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
SHA512 23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b

memory/1748-62-0x0000000000400000-0x00000000004A2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-16 10:22

Reported

2024-09-16 10:25

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe"

Signatures

Lokibot

trojan spyware stealer lokibot

Credentials from Password Stores: Credentials from Web Browsers

credential_access stealer

Reads user/profile data of web browsers

spyware stealer

UPX packed file

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

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Mozilla = "C:\\Users\\Admin\\AppData\\Local\\Mozilla\\MiniCalc.exe" C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A

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\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 824 wrote to memory of 4700 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe
PID 824 wrote to memory of 4700 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe
PID 824 wrote to memory of 4700 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe
PID 824 wrote to memory of 4700 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe
PID 824 wrote to memory of 4700 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe
PID 824 wrote to memory of 4700 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe
PID 824 wrote to memory of 4700 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe
PID 824 wrote to memory of 4700 N/A C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e49131c91b49a1473ff9d93d7a35d5a8_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 brysonsqroup.com 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 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 brysonsqroup.com udp
US 8.8.8.8:53 brysonsqroup.com udp

Files

memory/824-0-0x0000000000400000-0x0000000000516000-memory.dmp

memory/824-1-0x00000000009C0000-0x00000000009C1000-memory.dmp

memory/4700-3-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/4700-6-0x0000000000400000-0x00000000004A2000-memory.dmp

memory/824-9-0x0000000000400000-0x0000000000516000-memory.dmp

memory/4700-7-0x0000000000400000-0x00000000004A2000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-523280732-2327480845-3730041215-1000\0f5007522459c86e95ffcc62f32308f1_a5c5e2ae-85e3-447c-9e0b-c9a7b966d823

MD5 d898504a722bff1524134c6ab6a5eaa5
SHA1 e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
SHA256 878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
SHA512 26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-523280732-2327480845-3730041215-1000\0f5007522459c86e95ffcc62f32308f1_a5c5e2ae-85e3-447c-9e0b-c9a7b966d823

MD5 c07225d4e7d01d31042965f048728a0a
SHA1 69d70b340fd9f44c89adb9a2278df84faa9906b7
SHA256 8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
SHA512 23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b

memory/4700-51-0x0000000000400000-0x00000000004A2000-memory.dmp