Malware Analysis Report

2024-09-22 23:29

Sample ID 240616-cszn1azaqq
Target b14dcad5fa91662c342932b681c22e82_JaffaCakes118
SHA256 5613c5ba5cc9145a3d1b86b993048e8c508610c57a4956d8c76516c7d2ae00fd
Tags
emotet epoch2 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

5613c5ba5cc9145a3d1b86b993048e8c508610c57a4956d8c76516c7d2ae00fd

Threat Level: Known bad

The file b14dcad5fa91662c342932b681c22e82_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

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

2024-06-16 02:21

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 02:21

Reported

2024-06-16 02:23

Platform

win10v2004-20240611-en

Max time kernel

143s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b14dcad5fa91662c342932b681c22e82_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\FwRemoteSvr\msvcrt.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\FwRemoteSvr\msvcrt.exe C:\Users\Admin\AppData\Local\Temp\b14dcad5fa91662c342932b681c22e82_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\b14dcad5fa91662c342932b681c22e82_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b14dcad5fa91662c342932b681c22e82_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b14dcad5fa91662c342932b681c22e82_JaffaCakes118.exe"

C:\Windows\SysWOW64\FwRemoteSvr\msvcrt.exe

"C:\Windows\SysWOW64\FwRemoteSvr\msvcrt.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=3028,i,7977653611488681184,6839495125838449898,262144 --variations-seed-version --mojo-platform-channel-handle=4044 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
BE 23.41.178.65:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 201.238.32.23.in-addr.arpa udp
US 8.8.8.8:53 65.178.41.23.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
BE 23.41.178.65:443 www.bing.com tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 71.72.196.159:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 134.209.36.254:8080 tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
NZ 120.138.30.150:8080 tcp
FR 94.23.216.33:80 tcp
IN 157.245.99.39:8080 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
SG 137.59.187.107:8080 tcp
FR 94.23.237.171:443 tcp
TH 61.19.246.238:443 tcp

Files

memory/3276-1-0x0000000002160000-0x0000000002172000-memory.dmp

memory/3276-0-0x0000000002050000-0x000000000205F000-memory.dmp

memory/3276-5-0x0000000002190000-0x00000000021A0000-memory.dmp

C:\Windows\SysWOW64\FwRemoteSvr\msvcrt.exe

MD5 b14dcad5fa91662c342932b681c22e82
SHA1 b7e78efc0b51b6260ac95e5d2349a19113a3c973
SHA256 5613c5ba5cc9145a3d1b86b993048e8c508610c57a4956d8c76516c7d2ae00fd
SHA512 0a2a6f8aad64e8e2f21932219fa760065d26013154eb9cf5acdf122f9166c2296b8a8aec35bbf6c4f9a3cdd04ae4d94df2628d1c75e3032c9f9a459d5acc018e

memory/3276-9-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1492-10-0x0000000000570000-0x0000000000582000-memory.dmp

memory/1492-14-0x0000000000590000-0x00000000005A0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 02:21

Reported

2024-06-16 02:23

Platform

win7-20240221-en

Max time kernel

136s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b14dcad5fa91662c342932b681c22e82_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\b14dcad5fa91662c342932b681c22e82_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b14dcad5fa91662c342932b681c22e82_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 71.72.196.159:80 tcp
US 71.72.196.159:80 tcp
US 134.209.36.254:8080 tcp
US 134.209.36.254:8080 tcp
NZ 120.138.30.150:8080 tcp
NZ 120.138.30.150:8080 tcp
FR 94.23.216.33:80 tcp
FR 94.23.216.33:80 tcp
IN 157.245.99.39:8080 tcp
IN 157.245.99.39:8080 tcp

Files

memory/2032-4-0x00000000003E0000-0x00000000003F0000-memory.dmp

memory/2032-0-0x00000000003C0000-0x00000000003D2000-memory.dmp

memory/2032-7-0x00000000003B0000-0x00000000003BF000-memory.dmp