Malware Analysis Report

2024-12-07 04:19

Sample ID 241113-v9x6lswfjg
Target 4ab46cc1b4ce13ebbb68850b2dee47cdc7fc2075b284e0525fa820e6a1fab14e
SHA256 4ab46cc1b4ce13ebbb68850b2dee47cdc7fc2075b284e0525fa820e6a1fab14e
Tags
emotet epoch4 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

4ab46cc1b4ce13ebbb68850b2dee47cdc7fc2075b284e0525fa820e6a1fab14e

Threat Level: Known bad

The file 4ab46cc1b4ce13ebbb68850b2dee47cdc7fc2075b284e0525fa820e6a1fab14e was found to be: Known bad.

Malicious Activity Summary

emotet epoch4 banker discovery trojan

Emotet

Emotet family

Loads dropped DLL

Drops file in System32 directory

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 17:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 17:41

Reported

2024-11-13 17:44

Platform

win7-20240729-en

Max time kernel

141s

Max time network

146s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f8e47164a1541097b4b346725bf5e52e33f00b2c023b9bf6e8e7fe11893ed62e.dll

Signatures

Emotet

trojan banker emotet

Emotet family

emotet

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Tekaifyz\qfrg.jmz C:\Windows\SysWOW64\regsvr32.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2500 wrote to memory of 828 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2500 wrote to memory of 828 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2500 wrote to memory of 828 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2500 wrote to memory of 828 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2500 wrote to memory of 828 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2500 wrote to memory of 828 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2500 wrote to memory of 828 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 828 wrote to memory of 2000 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 828 wrote to memory of 2000 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 828 wrote to memory of 2000 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 828 wrote to memory of 2000 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 828 wrote to memory of 2000 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 828 wrote to memory of 2000 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 828 wrote to memory of 2000 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f8e47164a1541097b4b346725bf5e52e33f00b2c023b9bf6e8e7fe11893ed62e.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\f8e47164a1541097b4b346725bf5e52e33f00b2c023b9bf6e8e7fe11893ed62e.dll

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Tekaifyz\qfrg.jmz"

Network

Country Destination Domain Proto
PK 175.107.196.192:80 tcp
PK 175.107.196.192:80 tcp
SG 156.67.219.84:7080 tcp
SG 156.67.219.84:7080 tcp
NL 159.8.59.82:8080 tcp
NL 159.8.59.82:8080 tcp
ID 119.235.255.201:8080 tcp

Files

memory/828-0-0x0000000000180000-0x00000000001A6000-memory.dmp

memory/828-3-0x0000000010000000-0x0000000010119000-memory.dmp

memory/2000-4-0x0000000000200000-0x0000000000226000-memory.dmp

memory/2000-8-0x0000000010000000-0x0000000010119000-memory.dmp

memory/2000-9-0x0000000010000000-0x0000000010119000-memory.dmp

memory/2000-15-0x0000000010000000-0x0000000010119000-memory.dmp

memory/2000-16-0x0000000010000000-0x0000000010119000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 17:41

Reported

2024-11-13 17:44

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

149s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f8e47164a1541097b4b346725bf5e52e33f00b2c023b9bf6e8e7fe11893ed62e.dll

Signatures

Emotet

trojan banker emotet

Emotet family

emotet

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\Pgjeemtsoqxnhw\seafmefewzf.abn C:\Windows\SysWOW64\regsvr32.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4900 wrote to memory of 4036 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4900 wrote to memory of 4036 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4900 wrote to memory of 4036 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4036 wrote to memory of 2140 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4036 wrote to memory of 2140 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 4036 wrote to memory of 2140 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f8e47164a1541097b4b346725bf5e52e33f00b2c023b9bf6e8e7fe11893ed62e.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\f8e47164a1541097b4b346725bf5e52e33f00b2c023b9bf6e8e7fe11893ed62e.dll

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Pgjeemtsoqxnhw\seafmefewzf.abn"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
PK 175.107.196.192:80 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
SG 156.67.219.84:7080 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
NL 159.8.59.82:8080 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
ID 119.235.255.201:8080 tcp
ES 31.24.158.56:8080 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
IT 212.237.17.99:8080 tcp
SG 45.118.135.203:7080 tcp

Files

memory/4036-0-0x0000000000E30000-0x0000000000E56000-memory.dmp

memory/4036-3-0x0000000010000000-0x0000000010119000-memory.dmp

C:\Windows\SysWOW64\Pgjeemtsoqxnhw\seafmefewzf.abn

MD5 dc2af460d022d1854363cbd87a6e4d0c
SHA1 5f27b0754da7a4f1b1c162fc5a22b5e92520b23a
SHA256 f8e47164a1541097b4b346725bf5e52e33f00b2c023b9bf6e8e7fe11893ed62e
SHA512 9c241c495245e6013de05a88ff5789a508c2b42a4681c48cad51487311760063eebdd44b9764d9c1e05d89dd93c735f205b200844e4f0eb00492c97fb05b40e1

memory/2140-6-0x0000000002FA0000-0x0000000002FC6000-memory.dmp