Malware Analysis Report

2024-09-22 22:49

Sample ID 240617-qerywssbpb
Target b8c8707d49296589d69ae79a8cf805cd_JaffaCakes118
SHA256 25fb3ecfd09de276ec6f35144a0b3ff710e4448234a7a24d06e728477312de51
Tags
emotet epoch3 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

25fb3ecfd09de276ec6f35144a0b3ff710e4448234a7a24d06e728477312de51

Threat Level: Known bad

The file b8c8707d49296589d69ae79a8cf805cd_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Emotet payload

Executes dropped EXE

Drops file in System32 directory

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-17 13:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 13:10

Reported

2024-06-17 13:13

Platform

win7-20240611-en

Max time kernel

131s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b8c8707d49296589d69ae79a8cf805cd_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\wpdshext\thawbrkr.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\wpdshext\thawbrkr.exe C:\Users\Admin\AppData\Local\Temp\b8c8707d49296589d69ae79a8cf805cd_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\b8c8707d49296589d69ae79a8cf805cd_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b8c8707d49296589d69ae79a8cf805cd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b8c8707d49296589d69ae79a8cf805cd_JaffaCakes118.exe"

C:\Windows\SysWOW64\wpdshext\thawbrkr.exe

"C:\Windows\SysWOW64\wpdshext\thawbrkr.exe"

Network

Country Destination Domain Proto
JP 116.91.240.96:80 tcp
JP 116.91.240.96:80 tcp
IN 167.71.227.113:8080 tcp
IN 167.71.227.113:8080 tcp
CO 190.85.46.52:7080 tcp
CO 190.85.46.52:7080 tcp
US 162.144.42.60:8080 tcp
US 162.144.42.60:8080 tcp

Files

memory/1212-0-0x00000000003D0000-0x00000000003E2000-memory.dmp

memory/1212-4-0x00000000003F0000-0x0000000000400000-memory.dmp

memory/1212-7-0x00000000003B0000-0x00000000003BF000-memory.dmp

C:\Windows\SysWOW64\wpdshext\thawbrkr.exe

MD5 b8c8707d49296589d69ae79a8cf805cd
SHA1 31d7682e2cac9e682f187fe3d14a6bfea7541304
SHA256 25fb3ecfd09de276ec6f35144a0b3ff710e4448234a7a24d06e728477312de51
SHA512 e4edba3786aaac512f0f1a135cd8de8b4086ecb0097020d0af3129bff0097a7df89adb1816d36acdc7eda0c1d54e9153fbb60e75b3b1b34a73ccd77821e4a79b

memory/1212-8-0x0000000000400000-0x00000000004AD000-memory.dmp

memory/2708-10-0x0000000000260000-0x0000000000272000-memory.dmp

memory/2708-14-0x0000000000280000-0x0000000000290000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 13:10

Reported

2024-06-17 13:13

Platform

win10v2004-20240611-en

Max time kernel

140s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b8c8707d49296589d69ae79a8cf805cd_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\rtmmvrortc\shpafact.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\rtmmvrortc\shpafact.exe C:\Users\Admin\AppData\Local\Temp\b8c8707d49296589d69ae79a8cf805cd_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\b8c8707d49296589d69ae79a8cf805cd_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b8c8707d49296589d69ae79a8cf805cd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b8c8707d49296589d69ae79a8cf805cd_JaffaCakes118.exe"

C:\Windows\SysWOW64\rtmmvrortc\shpafact.exe

"C:\Windows\SysWOW64\rtmmvrortc\shpafact.exe"

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 --field-trial-handle=4512,i,1400471177590024469,587385956640537806,262144 --variations-seed-version --mojo-platform-channel-handle=4108 /prefetch:8

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 21.177.190.20.in-addr.arpa udp
NL 23.62.61.171:443 www.bing.com tcp
US 8.8.8.8:53 171.61.62.23.in-addr.arpa udp
US 13.107.42.16:443 tcp
JP 116.91.240.96:80 tcp
US 13.107.42.16:443 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
IN 167.71.227.113:8080 tcp
CO 190.85.46.52:7080 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 216.107.17.2.in-addr.arpa udp
US 162.144.42.60:8080 tcp
PK 202.166.170.43:80 tcp
US 8.8.8.8:53 210.143.182.52.in-addr.arpa udp
FI 95.216.205.155:8080 tcp
JP 120.51.34.254:80 tcp

Files

memory/1456-7-0x00000000005D0000-0x00000000005DF000-memory.dmp

memory/1456-4-0x0000000000740000-0x0000000000750000-memory.dmp

memory/1456-0-0x00000000020F0000-0x0000000002102000-memory.dmp

C:\Windows\SysWOW64\rtmmvrortc\shpafact.exe

MD5 b8c8707d49296589d69ae79a8cf805cd
SHA1 31d7682e2cac9e682f187fe3d14a6bfea7541304
SHA256 25fb3ecfd09de276ec6f35144a0b3ff710e4448234a7a24d06e728477312de51
SHA512 e4edba3786aaac512f0f1a135cd8de8b4086ecb0097020d0af3129bff0097a7df89adb1816d36acdc7eda0c1d54e9153fbb60e75b3b1b34a73ccd77821e4a79b

memory/1456-9-0x0000000000400000-0x00000000004AD000-memory.dmp

memory/4996-14-0x0000000002040000-0x0000000002050000-memory.dmp

memory/4996-10-0x0000000002020000-0x0000000002032000-memory.dmp