Malware Analysis Report

2024-09-22 23:27

Sample ID 240616-m7nkdsvcrk
Target b32e4862da5a2f1e482cb7d707445fe7_JaffaCakes118
SHA256 a73f535352c59cc6f1ba1e2e563c7944021e169d6c978e576fc103a3e92fe6a1
Tags
emotet epoch2 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

a73f535352c59cc6f1ba1e2e563c7944021e169d6c978e576fc103a3e92fe6a1

Threat Level: Known bad

The file b32e4862da5a2f1e482cb7d707445fe7_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch2 banker trojan

Emotet

Emotet payload

Executes dropped EXE

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-16 11:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 11:06

Reported

2024-06-16 11:09

Platform

win7-20240611-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b32e4862da5a2f1e482cb7d707445fe7_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\sas\dmscript.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\sas\dmscript.exe C:\Users\Admin\AppData\Local\Temp\b32e4862da5a2f1e482cb7d707445fe7_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\sas\dmscript.exe N/A
N/A N/A C:\Windows\SysWOW64\sas\dmscript.exe N/A
N/A N/A C:\Windows\SysWOW64\sas\dmscript.exe N/A
N/A N/A C:\Windows\SysWOW64\sas\dmscript.exe N/A
N/A N/A C:\Windows\SysWOW64\sas\dmscript.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b32e4862da5a2f1e482cb7d707445fe7_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b32e4862da5a2f1e482cb7d707445fe7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b32e4862da5a2f1e482cb7d707445fe7_JaffaCakes118.exe"

C:\Windows\SysWOW64\sas\dmscript.exe

"C:\Windows\SysWOW64\sas\dmscript.exe"

Network

Country Destination Domain Proto
US 24.43.32.186:80 tcp
US 24.43.32.186:80 tcp
US 38.111.46.46:8080 tcp
US 38.111.46.46:8080 tcp
US 134.209.36.254:8080 tcp
US 134.209.36.254:8080 tcp
US 162.241.242.173:8080 tcp

Files

memory/2104-0-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2104-1-0x00000000001D0000-0x00000000001E2000-memory.dmp

memory/2104-5-0x00000000001F0000-0x0000000000200000-memory.dmp

memory/2104-8-0x00000000001C0000-0x00000000001CF000-memory.dmp

C:\Windows\SysWOW64\sas\dmscript.exe

MD5 b32e4862da5a2f1e482cb7d707445fe7
SHA1 a27e446c665cf3f805c56923bb32f1cf57e2854d
SHA256 a73f535352c59cc6f1ba1e2e563c7944021e169d6c978e576fc103a3e92fe6a1
SHA512 e5e211603556cce210c22b34596f5f7afb9379bcbc9328824ddc553d29101c974a8fd191c3dab74569170b3e9a6941b174a0f3e771557203c449b96aa1cce18f

memory/2104-11-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2600-12-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2600-18-0x0000000000260000-0x0000000000270000-memory.dmp

memory/2600-13-0x0000000000240000-0x0000000000252000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 11:06

Reported

2024-06-16 11:09

Platform

win10v2004-20240226-en

Max time kernel

145s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b32e4862da5a2f1e482cb7d707445fe7_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

Processes

C:\Users\Admin\AppData\Local\Temp\b32e4862da5a2f1e482cb7d707445fe7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b32e4862da5a2f1e482cb7d707445fe7_JaffaCakes118.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 --no-appcompat-clear --mojo-platform-channel-handle=3884 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 24.43.32.186:80 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 25.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 38.111.46.46:8080 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 134.209.36.254:8080 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 162.241.242.173:8080 tcp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 172.217.169.74:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 74.169.217.172.in-addr.arpa udp
CA 74.120.55.163:80 tcp
HK 61.92.17.12:80 tcp
US 8.8.8.8:53 174.117.168.52.in-addr.arpa udp

Files

memory/4472-0-0x0000000000400000-0x0000000000440000-memory.dmp

memory/4472-1-0x00000000005F0000-0x0000000000602000-memory.dmp

memory/4472-5-0x0000000000610000-0x0000000000620000-memory.dmp

memory/4472-8-0x00000000005E0000-0x00000000005EF000-memory.dmp