Malware Analysis Report

2024-09-22 22:15

Sample ID 240616-fl7b2svblk
Target b1d39ceff7e57ec494348822a29e4a74_JaffaCakes118
SHA256 1835d834555dc234695dce408bbcbe16fe8b22ff25e01a2a6e2c4428e30b7758
Tags
emotet epoch1 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

1835d834555dc234695dce408bbcbe16fe8b22ff25e01a2a6e2c4428e30b7758

Threat Level: Known bad

The file b1d39ceff7e57ec494348822a29e4a74_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

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-16 04:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 04:58

Reported

2024-06-16 05:01

Platform

win7-20240611-en

Max time kernel

134s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b1d39ceff7e57ec494348822a29e4a74_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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\RpcPing\mfds.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\RpcPing\mfds.exe C:\Users\Admin\AppData\Local\Temp\b1d39ceff7e57ec494348822a29e4a74_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\RpcPing\mfds.exe N/A
N/A N/A C:\Windows\SysWOW64\RpcPing\mfds.exe N/A
N/A N/A C:\Windows\SysWOW64\RpcPing\mfds.exe N/A
N/A N/A C:\Windows\SysWOW64\RpcPing\mfds.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b1d39ceff7e57ec494348822a29e4a74_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b1d39ceff7e57ec494348822a29e4a74_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b1d39ceff7e57ec494348822a29e4a74_JaffaCakes118.exe"

C:\Windows\SysWOW64\RpcPing\mfds.exe

"C:\Windows\SysWOW64\RpcPing\mfds.exe"

Network

Country Destination Domain Proto
US 128.92.203.42:80 tcp
US 128.92.203.42:80 tcp
FR 37.187.161.206:8080 tcp
FR 37.187.161.206:8080 tcp
TH 202.29.239.162:443 tcp
TH 202.29.239.162:443 tcp

Files

memory/1688-3-0x00000000003F0000-0x00000000003F2000-memory.dmp

memory/1688-4-0x00000000003F0000-0x00000000003F2000-memory.dmp

memory/1688-5-0x00000000003F0000-0x00000000003F2000-memory.dmp

memory/1688-6-0x00000000003F0000-0x00000000003F2000-memory.dmp

memory/1688-7-0x00000000003F0000-0x00000000003F2000-memory.dmp

memory/1688-8-0x00000000003F0000-0x00000000003F2000-memory.dmp

memory/1688-9-0x00000000003F0000-0x00000000003F2000-memory.dmp

memory/1688-10-0x00000000003F0000-0x00000000003F2000-memory.dmp

memory/1688-11-0x00000000003F0000-0x00000000003F2000-memory.dmp

memory/1688-12-0x00000000003F0000-0x00000000003F2000-memory.dmp

memory/1688-13-0x00000000003F0000-0x00000000003F2000-memory.dmp

memory/1688-14-0x00000000003F0000-0x00000000003F2000-memory.dmp

memory/1688-15-0x00000000003F0000-0x00000000003F2000-memory.dmp

memory/1688-16-0x0000000000439000-0x000000000043A000-memory.dmp

memory/1688-17-0x0000000000550000-0x0000000000560000-memory.dmp

memory/1688-21-0x0000000000400000-0x0000000000469000-memory.dmp

C:\Windows\SysWOW64\RpcPing\mfds.exe

MD5 b1d39ceff7e57ec494348822a29e4a74
SHA1 9422d78bdb2c68ef8322deb2d5cd10ada7a177fb
SHA256 1835d834555dc234695dce408bbcbe16fe8b22ff25e01a2a6e2c4428e30b7758
SHA512 320c8bbd8c2e95ba2b5f131acd3ca2e14fe7db84d4cc6926fd806763387337ce94624226f312d83864f1f2e9124d3ddaef26ee0e47278e2c2584672b310f09d7

memory/3064-34-0x0000000001E00000-0x0000000001E02000-memory.dmp

memory/3064-38-0x0000000001E00000-0x0000000001E02000-memory.dmp

memory/3064-37-0x0000000001E00000-0x0000000001E02000-memory.dmp

memory/3064-36-0x0000000001E00000-0x0000000001E02000-memory.dmp

memory/3064-35-0x0000000001E00000-0x0000000001E02000-memory.dmp

memory/3064-33-0x0000000001E00000-0x0000000001E02000-memory.dmp

memory/3064-32-0x0000000001E00000-0x0000000001E02000-memory.dmp

memory/3064-31-0x0000000001E00000-0x0000000001E02000-memory.dmp

memory/3064-30-0x0000000001E00000-0x0000000001E02000-memory.dmp

memory/3064-29-0x0000000001E00000-0x0000000001E02000-memory.dmp

memory/3064-28-0x0000000001E00000-0x0000000001E02000-memory.dmp

memory/3064-39-0x0000000001E00000-0x0000000001E02000-memory.dmp

memory/3064-40-0x0000000000400000-0x0000000000469000-memory.dmp

memory/3064-41-0x0000000001E20000-0x0000000001E30000-memory.dmp

memory/3064-45-0x0000000001E20000-0x0000000001E30000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 04:58

Reported

2024-06-16 05:01

Platform

win10v2004-20240226-en

Max time kernel

142s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b1d39ceff7e57ec494348822a29e4a74_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

Processes

C:\Users\Admin\AppData\Local\Temp\b1d39ceff7e57ec494348822a29e4a74_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b1d39ceff7e57ec494348822a29e4a74_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=3716 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 128.92.203.42:80 tcp
GB 142.250.187.202:443 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 57.15.31.184.in-addr.arpa udp
FR 37.187.161.206:8080 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
TH 202.29.239.162:443 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
RU 80.87.201.221:7080 tcp
AR 190.188.245.242:80 tcp
US 12.163.208.58:80 tcp
US 8.8.8.8:53 105.193.132.51.in-addr.arpa udp

Files

memory/2428-3-0x0000000003100000-0x0000000003102000-memory.dmp

memory/2428-5-0x0000000003100000-0x0000000003102000-memory.dmp

memory/2428-14-0x0000000003100000-0x0000000003102000-memory.dmp

memory/2428-13-0x0000000003100000-0x0000000003102000-memory.dmp

memory/2428-12-0x0000000003100000-0x0000000003102000-memory.dmp

memory/2428-11-0x0000000003100000-0x0000000003102000-memory.dmp

memory/2428-10-0x0000000003100000-0x0000000003102000-memory.dmp

memory/2428-8-0x0000000003100000-0x0000000003102000-memory.dmp

memory/2428-7-0x0000000003100000-0x0000000003102000-memory.dmp

memory/2428-6-0x0000000003100000-0x0000000003102000-memory.dmp

memory/2428-4-0x0000000003100000-0x0000000003102000-memory.dmp

memory/2428-9-0x0000000003100000-0x0000000003102000-memory.dmp

memory/2428-15-0x0000000003100000-0x0000000003102000-memory.dmp

memory/2428-16-0x0000000000439000-0x000000000043A000-memory.dmp

memory/2428-17-0x0000000000400000-0x0000000000469000-memory.dmp

memory/2428-18-0x0000000003110000-0x0000000003120000-memory.dmp

memory/2428-22-0x0000000003110000-0x0000000003120000-memory.dmp