Malware Analysis Report

2024-09-22 22:50

Sample ID 240617-khn4hswhnr
Target b7ae55a812fa4a7d229d2edf4ad23a42_JaffaCakes118
SHA256 3692c888a3e32c7fe6dab22badaaf63d6f41a10dea5b2763e07e4814d5475524
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

3692c888a3e32c7fe6dab22badaaf63d6f41a10dea5b2763e07e4814d5475524

Threat Level: Known bad

The file b7ae55a812fa4a7d229d2edf4ad23a42_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Executes dropped EXE

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-17 08:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 08:36

Reported

2024-06-17 08:38

Platform

win7-20240508-en

Max time kernel

144s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b7ae55a812fa4a7d229d2edf4ad23a42_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\b7ae55a812fa4a7d229d2edf4ad23a42_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b7ae55a812fa4a7d229d2edf4ad23a42_JaffaCakes118.exe"

Network

Country Destination Domain Proto
JP 118.110.236.121:8080 tcp
JP 118.110.236.121:8080 tcp
FR 149.202.5.139:443 tcp
FR 149.202.5.139:443 tcp
SG 153.92.4.96:8080 tcp
SG 153.92.4.96:8080 tcp
GB 51.75.163.68:7080 tcp

Files

memory/2056-0-0x00000000004F0000-0x00000000004FC000-memory.dmp

memory/2056-5-0x0000000000280000-0x0000000000289000-memory.dmp

memory/2056-4-0x0000000000270000-0x0000000000271000-memory.dmp

memory/2056-6-0x00000000004F0000-0x00000000004FC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 08:36

Reported

2024-06-17 08:38

Platform

win10v2004-20240611-en

Max time kernel

135s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b7ae55a812fa4a7d229d2edf4ad23a42_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\iasrecst\mycomput.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\iasrecst\mycomput.exe C:\Users\Admin\AppData\Local\Temp\b7ae55a812fa4a7d229d2edf4ad23a42_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\b7ae55a812fa4a7d229d2edf4ad23a42_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b7ae55a812fa4a7d229d2edf4ad23a42_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\iasrecst\mycomput.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b7ae55a812fa4a7d229d2edf4ad23a42_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b7ae55a812fa4a7d229d2edf4ad23a42_JaffaCakes118.exe"

C:\Windows\SysWOW64\iasrecst\mycomput.exe

"C:\Windows\SysWOW64\iasrecst\mycomput.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=4088,i,2113996974559895641,18156918660790954073,262144 --variations-seed-version --mojo-platform-channel-handle=4252 /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 8.8.8.8.in-addr.arpa udp
BE 88.221.83.224:443 www.bing.com tcp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 216.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 224.83.221.88.in-addr.arpa udp
JP 118.110.236.121:8080 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
FR 149.202.5.139:443 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
SG 153.92.4.96:8080 tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
GB 51.75.163.68:7080 tcp
GB 46.32.229.152:8080 tcp
US 8.8.8.8:53 194.98.74.40.in-addr.arpa udp
US 192.241.220.183:8080 tcp
US 173.94.215.84:80 tcp

Files

memory/3316-0-0x0000000000A90000-0x0000000000A9C000-memory.dmp

memory/3316-5-0x0000000000A80000-0x0000000000A89000-memory.dmp

memory/3316-4-0x0000000000A70000-0x0000000000A71000-memory.dmp

C:\Windows\SysWOW64\iasrecst\mycomput.exe

MD5 b7ae55a812fa4a7d229d2edf4ad23a42
SHA1 b437ea399ac323a772e93e423c44cbc78b4ae903
SHA256 3692c888a3e32c7fe6dab22badaaf63d6f41a10dea5b2763e07e4814d5475524
SHA512 e571a5703c8a0d7b87c20b583b0c5aab781de020534634053c5cd449b97a0b1798a72e90417a614eaaebf065de4814f91e73e965ae28dc334105ed04a4d7c4b6

memory/3316-7-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1956-8-0x00000000008D0000-0x00000000008DC000-memory.dmp

memory/1956-12-0x00000000008D0000-0x00000000008DC000-memory.dmp