Malware Analysis Report

2025-01-03 05:59

Sample ID 240228-ld2pgsgc23
Target 230717-qwxkpscc39
SHA256 b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc
Tags
emotet epoch3 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc

Threat Level: Known bad

The file 230717-qwxkpscc39 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Drops file in System32 directory

Program crash

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-28 09:25

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-28 09:25

Reported

2024-02-28 09:28

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe"

Signatures

Emotet

trojan banker emotet

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\keydeflicense.exe

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe

"C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe"

C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe

--ce824825

C:\Windows\SysWOW64\keydeflicense.exe

"C:\Windows\SysWOW64\keydeflicense.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4300 -ip 4300

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 264

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 185.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 1.173.189.20.in-addr.arpa udp

Files

memory/880-0-0x0000000000570000-0x0000000000586000-memory.dmp

memory/880-5-0x0000000000500000-0x0000000000510000-memory.dmp

memory/2508-6-0x0000000002090000-0x00000000020A6000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-28 09:25

Reported

2024-02-28 09:28

Platform

win7-20240221-en

Max time kernel

141s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe"

Signatures

Emotet

trojan banker emotet

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat C:\Windows\SysWOW64\definebackup.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\definebackup.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89270391-7CBF-49F4-8739-FC7BB342D5F2} C:\Windows\SysWOW64\definebackup.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89270391-7CBF-49F4-8739-FC7BB342D5F2}\WpadDecisionReason = "1" C:\Windows\SysWOW64\definebackup.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections C:\Windows\SysWOW64\definebackup.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-92-13-8f-94-d2\WpadDecisionTime = 10c6ce73286ada01 C:\Windows\SysWOW64\definebackup.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\definebackup.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89270391-7CBF-49F4-8739-FC7BB342D5F2}\WpadDecisionTime = f0425a31286ada01 C:\Windows\SysWOW64\definebackup.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-92-13-8f-94-d2\WpadDecisionTime = f0425a31286ada01 C:\Windows\SysWOW64\definebackup.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\definebackup.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89270391-7CBF-49F4-8739-FC7BB342D5F2}\WpadDecisionTime = 10c6ce73286ada01 C:\Windows\SysWOW64\definebackup.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\definebackup.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\definebackup.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings C:\Windows\SysWOW64\definebackup.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\definebackup.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-92-13-8f-94-d2\WpadDetectedUrl C:\Windows\SysWOW64\definebackup.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad C:\Windows\SysWOW64\definebackup.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89270391-7CBF-49F4-8739-FC7BB342D5F2}\WpadDecision = "0" C:\Windows\SysWOW64\definebackup.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89270391-7CBF-49F4-8739-FC7BB342D5F2}\WpadNetworkName = "Network 3" C:\Windows\SysWOW64\definebackup.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-92-13-8f-94-d2 C:\Windows\SysWOW64\definebackup.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" C:\Windows\SysWOW64\definebackup.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-92-13-8f-94-d2\WpadDecision = "0" C:\Windows\SysWOW64\definebackup.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\definebackup.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 C:\Windows\SysWOW64\definebackup.exe N/A
Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89270391-7CBF-49F4-8739-FC7BB342D5F2}\3a-92-13-8f-94-d2 C:\Windows\SysWOW64\definebackup.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-92-13-8f-94-d2\WpadDecisionReason = "1" C:\Windows\SysWOW64\definebackup.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe

"C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe"

C:\Users\Admin\AppData\Local\Temp\230717-qwxkpscc39.exe

--ce824825

C:\Windows\SysWOW64\definebackup.exe

"C:\Windows\SysWOW64\definebackup.exe"

C:\Windows\SysWOW64\definebackup.exe

--913b458f

Network

Country Destination Domain Proto
PE 190.117.206.153:443 tcp
PE 190.117.206.153:443 tcp
PK 203.99.187.137:443 tcp
PK 203.99.187.137:443 tcp
CU 200.55.168.82:20 tcp
CU 200.55.168.82:20 tcp
US 70.32.94.58:8080 tcp

Files

memory/1864-1-0x0000000000240000-0x0000000000250000-memory.dmp

memory/1864-0-0x00000000003E0000-0x00000000003F6000-memory.dmp

memory/1480-6-0x0000000000240000-0x0000000000256000-memory.dmp

memory/2656-11-0x0000000000390000-0x00000000003A6000-memory.dmp