Malware Analysis Report

2024-09-22 22:09

Sample ID 240616-b9gn3svbma
Target b12fa1c872b673c7d85c60f969a43eb8_JaffaCakes118
SHA256 efd23bb07bd91cbbecea4b3a3e2932a6a5750b09a7651f4c4c5e8bfe1aebc615
Tags
emotet epoch1 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

efd23bb07bd91cbbecea4b3a3e2932a6a5750b09a7651f4c4c5e8bfe1aebc615

Threat Level: Known bad

The file b12fa1c872b673c7d85c60f969a43eb8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch1 banker trojan

Emotet

Emotet payload

Executes dropped EXE

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-16 01:50

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 01:50

Reported

2024-06-16 01:53

Platform

win10v2004-20240611-en

Max time kernel

141s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b12fa1c872b673c7d85c60f969a43eb8_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Emotet payload

trojan banker
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\nddeapi\umdmxfrm.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\nddeapi\umdmxfrm.exe C:\Users\Admin\AppData\Local\Temp\b12fa1c872b673c7d85c60f969a43eb8_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\b12fa1c872b673c7d85c60f969a43eb8_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b12fa1c872b673c7d85c60f969a43eb8_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\nddeapi\umdmxfrm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b12fa1c872b673c7d85c60f969a43eb8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b12fa1c872b673c7d85c60f969a43eb8_JaffaCakes118.exe"

C:\Windows\SysWOW64\nddeapi\umdmxfrm.exe

"C:\Windows\SysWOW64\nddeapi\umdmxfrm.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1416 -ip 1416

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1416 -s 728

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
BE 88.221.83.187:443 www.bing.com tcp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 187.83.221.88.in-addr.arpa udp
US 155.186.0.121:80 tcp
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 8.8.8.8:53 142.53.16.96.in-addr.arpa udp
DE 51.38.124.206:80 51.38.124.206 tcp
US 8.8.8.8:53 206.124.38.51.in-addr.arpa udp
NL 82.196.15.205:8080 tcp
US 38.88.126.202:8080 tcp
MY 219.92.13.25:80 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
ID 111.67.77.202:8080 tcp
TR 95.9.180.128:80 tcp

Files

memory/1416-0-0x0000000000AD0000-0x0000000000AE2000-memory.dmp

memory/1416-4-0x0000000000AF0000-0x0000000000B00000-memory.dmp

memory/1416-7-0x0000000000A90000-0x0000000000A9F000-memory.dmp

C:\Windows\SysWOW64\nddeapi\umdmxfrm.exe

MD5 b12fa1c872b673c7d85c60f969a43eb8
SHA1 4fd18fc00139791b9b91bc557548e6d2f1d5d4ff
SHA256 efd23bb07bd91cbbecea4b3a3e2932a6a5750b09a7651f4c4c5e8bfe1aebc615
SHA512 fcad490e51dfb66d1991b208831c671d908a8ec3d78b8539ed5a89ede92150c0878499594f8c83dd3169236fb8f47aed182880c03895af3f80564348636e4a2d

memory/1416-9-0x0000000000400000-0x0000000000439000-memory.dmp

memory/4264-14-0x00000000022A0000-0x00000000022B0000-memory.dmp

memory/4264-10-0x0000000002280000-0x0000000002292000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 01:50

Reported

2024-06-16 01:53

Platform

win7-20240508-en

Max time kernel

149s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b12fa1c872b673c7d85c60f969a43eb8_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Emotet payload

trojan banker
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b12fa1c872b673c7d85c60f969a43eb8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b12fa1c872b673c7d85c60f969a43eb8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b12fa1c872b673c7d85c60f969a43eb8_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 155.186.0.121:80 tcp
US 155.186.0.121:80 tcp
DE 51.38.124.206:80 tcp
DE 51.38.124.206:80 tcp
NL 82.196.15.205:8080 tcp
NL 82.196.15.205:8080 tcp

Files

memory/848-0-0x0000000000290000-0x00000000002A2000-memory.dmp

memory/848-4-0x0000000000330000-0x0000000000340000-memory.dmp

memory/848-7-0x0000000000270000-0x000000000027F000-memory.dmp