Malware Analysis Report

2025-08-11 00:58

Sample ID 240518-bwacvadg25
Target 5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118
SHA256 8c2f6b4e75a6b1e473c508245daa01473e0f89a114986d7ffef169e1f49dd335
Tags
blackmoon banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

8c2f6b4e75a6b1e473c508245daa01473e0f89a114986d7ffef169e1f49dd335

Threat Level: Known bad

The file 5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

blackmoon banker trojan

Blackmoon family

Blackmoon, KrBanker

Detect Blackmoon payload

Deletes itself

Executes dropped EXE

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-18 01:29

Signatures

Blackmoon family

blackmoon

Detect Blackmoon payload

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-18 01:29

Reported

2024-05-18 01:31

Platform

win7-20240419-en

Max time kernel

121s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe"

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon payload

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

Deletes itself

Description Indicator Process Target
N/A N/A \??\c:\xxxrxrl.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A \??\c:\xxxrxrl.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe \??\c:\xxxrxrl.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe"

\??\c:\xxxrxrl.exe

c:\xxxrxrl.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 96

Network

N/A

Files

C:\xxxrxrl.exe

MD5 e6dc8e7a5a77423731ae57a2d4fe12a6
SHA1 1b599f31e1544435401be7c8fb7ea846ed2ccc0c
SHA256 5b87d2168b0554dd3a0c5de5f647cf16501b29702d2b49b2f853b1267bf7c138
SHA512 9aac891acb1d423ecec63d84e64c43a0ae512d10709d77ca97e44a2d589bc1c74b92716342e647c15d876f24b800880662ff6ac66a9bc1bbbbd849bce1dd2fe4

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-18 01:29

Reported

2024-05-18 01:31

Platform

win10v2004-20240508-en

Max time kernel

139s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe"

Signatures

Blackmoon, KrBanker

trojan banker blackmoon

Detect Blackmoon payload

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

Deletes itself

Description Indicator Process Target
N/A N/A \??\c:\tnbthn.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A \??\c:\tnbthn.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe \??\c:\tnbthn.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\5274ecd67b6c3b1f363f6bbacec6cddb_JaffaCakes118.exe"

\??\c:\tnbthn.exe

c:\tnbthn.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2192 -ip 2192

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 280

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 96.136.73.23.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

C:\tnbthn.exe

MD5 eb9d427ba1d997083e08d6219e42b40d
SHA1 64aa763b0654e5e45277454b79e401a575dfc709
SHA256 8c153c63138bcb9038687d6541ea62417126810aed74cb3afb3fc11bc05934a2
SHA512 d6107f79374b7377efd87184a59bf7ba89438695cd719903b65c1925fdd21ddc9d29270196016fdfe77060f28f891e2bcba9c8d3efdd31ac50b10f90b8cce343