Malware Analysis Report

2024-09-22 22:51

Sample ID 240617-fex5ssyglp
Target b6d58cd750e4edd9e9f3885dcb40db0b_JaffaCakes118
SHA256 f041e688b4ed8445ff8593e3b16289ad86343561a9dfb1733cdaeb6cd2845245
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

f041e688b4ed8445ff8593e3b16289ad86343561a9dfb1733cdaeb6cd2845245

Threat Level: Known bad

The file b6d58cd750e4edd9e9f3885dcb40db0b_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

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-17 04:47

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 04:47

Reported

2024-06-17 04:50

Platform

win7-20240508-en

Max time kernel

144s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6d58cd750e4edd9e9f3885dcb40db0b_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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b6d58cd750e4edd9e9f3885dcb40db0b_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b6d58cd750e4edd9e9f3885dcb40db0b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b6d58cd750e4edd9e9f3885dcb40db0b_JaffaCakes118.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

Files

memory/2244-0-0x0000000000380000-0x0000000000392000-memory.dmp

memory/2244-7-0x00000000002B0000-0x00000000002BF000-memory.dmp

memory/2244-4-0x00000000003A0000-0x00000000003B0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 04:47

Reported

2024-06-17 04:50

Platform

win10v2004-20240611-en

Max time kernel

135s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6d58cd750e4edd9e9f3885dcb40db0b_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\colorui\authui.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\colorui\authui.exe C:\Users\Admin\AppData\Local\Temp\b6d58cd750e4edd9e9f3885dcb40db0b_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\b6d58cd750e4edd9e9f3885dcb40db0b_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b6d58cd750e4edd9e9f3885dcb40db0b_JaffaCakes118.exe N/A
N/A N/A C:\Windows\SysWOW64\colorui\authui.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b6d58cd750e4edd9e9f3885dcb40db0b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b6d58cd750e4edd9e9f3885dcb40db0b_JaffaCakes118.exe"

C:\Windows\SysWOW64\colorui\authui.exe

"C:\Windows\SysWOW64\colorui\authui.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=4060,i,3549704109630749084,1975543916261970610,262144 --variations-seed-version --mojo-platform-channel-handle=4092 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
JP 116.91.240.96:80 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 142.53.16.96.in-addr.arpa udp
IN 167.71.227.113:8080 tcp
CO 190.85.46.52:7080 tcp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 162.144.42.60:8080 tcp
PK 202.166.170.43:80 tcp
FI 95.216.205.155:8080 tcp
JP 120.51.34.254:80 tcp

Files

memory/1228-4-0x00000000022F0000-0x0000000002300000-memory.dmp

memory/1228-0-0x0000000002240000-0x0000000002252000-memory.dmp

memory/1228-7-0x0000000002230000-0x000000000223F000-memory.dmp

C:\Windows\SysWOW64\colorui\authui.exe

MD5 b6d58cd750e4edd9e9f3885dcb40db0b
SHA1 db4a03cbbc3243da5b5ffe9a464b372a1867633b
SHA256 f041e688b4ed8445ff8593e3b16289ad86343561a9dfb1733cdaeb6cd2845245
SHA512 2a0a563326a15d0ee9fad347bcc1feed1e79be2ac9a85203bce042bc069b38ed62273fb88a69f3065d95f5e8cdf4628652543db9bf2583696e60ecd69ae1b122

memory/1228-9-0x0000000000400000-0x00000000004DB000-memory.dmp

memory/4488-15-0x0000000000580000-0x0000000000590000-memory.dmp

memory/4488-10-0x00000000021E0000-0x00000000021F2000-memory.dmp