Malware Analysis Report

2024-12-07 04:15

Sample ID 241113-wrvhfaxbmp
Target 6120e4378e265b388b1ea5f32b8ed6e504f44dcb491a3cdbae4ee8088d031d10
SHA256 6120e4378e265b388b1ea5f32b8ed6e504f44dcb491a3cdbae4ee8088d031d10
Tags
emotet epoch3 banker discovery trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

6120e4378e265b388b1ea5f32b8ed6e504f44dcb491a3cdbae4ee8088d031d10

Threat Level: Known bad

The file 6120e4378e265b388b1ea5f32b8ed6e504f44dcb491a3cdbae4ee8088d031d10 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker discovery trojan

Emotet

Emotet family

Blocklisted process makes network request

Loads dropped DLL

Drops file in System32 directory

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 18:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 18:09

Reported

2024-11-13 18:12

Platform

win7-20240903-en

Max time kernel

141s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\v07p.dll,#1

Signatures

Emotet

trojan banker emotet

Emotet family

emotet

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Xywu\ujkoin.okr C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1960 wrote to memory of 1948 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1960 wrote to memory of 1948 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1960 wrote to memory of 1948 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1960 wrote to memory of 1948 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1960 wrote to memory of 1948 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1960 wrote to memory of 1948 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1960 wrote to memory of 1948 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1948 wrote to memory of 2984 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1948 wrote to memory of 2984 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1948 wrote to memory of 2984 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1948 wrote to memory of 2984 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1948 wrote to memory of 2984 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1948 wrote to memory of 2984 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1948 wrote to memory of 2984 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\v07p.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\v07p.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Xywu\ujkoin.okr",RunDLL

Network

Country Destination Domain Proto
US 73.55.128.120:80 tcp
US 73.55.128.120:80 tcp
ID 175.103.38.146:80 tcp
ID 175.103.38.146:80 tcp
TH 203.157.152.9:7080 tcp
TH 203.157.152.9:7080 tcp
SG 157.245.145.87:443 tcp
SG 157.245.145.87:443 tcp

Files

memory/1948-0-0x00000000007E0000-0x0000000000800000-memory.dmp

memory/1948-3-0x0000000010000000-0x000000001003B000-memory.dmp

memory/2984-4-0x0000000000220000-0x0000000000240000-memory.dmp

memory/2984-8-0x0000000010000000-0x000000001003B000-memory.dmp

memory/2984-10-0x0000000010000000-0x000000001003B000-memory.dmp

memory/2984-15-0x0000000010000000-0x000000001003B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 18:09

Reported

2024-11-13 18:12

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\v07p.dll,#1

Signatures

Emotet

trojan banker emotet

Emotet family

emotet

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Uogq\sgiqlw.jvd C:\Windows\SysWOW64\rundll32.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4432 wrote to memory of 3096 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4432 wrote to memory of 3096 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4432 wrote to memory of 3096 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3096 wrote to memory of 3700 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3096 wrote to memory of 3700 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3096 wrote to memory of 3700 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\v07p.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\v07p.dll,#1

C:\Windows\SysWOW64\rundll32.exe

C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Uogq\sgiqlw.jvd",RunDLL

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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
US 73.55.128.120:80 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 71.208.201.84.in-addr.arpa udp
ID 175.103.38.146:80 tcp
TH 203.157.152.9:7080 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
SG 157.245.145.87:443 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
NO 195.159.28.244:8080 tcp
PL 54.38.143.245:8080 tcp

Files

memory/3096-0-0x0000000002E30000-0x0000000002E50000-memory.dmp

memory/3096-3-0x0000000010000000-0x000000001003B000-memory.dmp

C:\Windows\SysWOW64\Uogq\sgiqlw.jvd

MD5 ab05deb592b27f0880f3c24121e12d58
SHA1 442fd3cf10fd74976d648c0256e03e2ca4771ae5
SHA256 3565b741deeacc724ce22c7a0d0362b4db966856a02a36f24f5e35c9ed2ace3a
SHA512 372115482663c9bd9b468b5bf26eaaf297aa8b939a86839331778e1319ce09c34e97aca0f21ff59d0db5f6745266170a181c5dc854f7b1e22c7300d1d6c08702

memory/3700-5-0x0000000002170000-0x0000000002190000-memory.dmp