Malware Analysis Report

2025-08-06 03:59

Sample ID 230308-dqagrsdc3w
Target 1c9be74d8f870d1218685a86a51ffb01d96524a742fe9f610eb07d9c345e3961
SHA256 1c9be74d8f870d1218685a86a51ffb01d96524a742fe9f610eb07d9c345e3961
Tags
emotet epoch4 banker trojan persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

1c9be74d8f870d1218685a86a51ffb01d96524a742fe9f610eb07d9c345e3961

Threat Level: Known bad

The file 1c9be74d8f870d1218685a86a51ffb01d96524a742fe9f610eb07d9c345e3961 was found to be: Known bad.

Malicious Activity Summary

emotet epoch4 banker trojan persistence

Emotet

Adds Run key to start application

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-03-08 03:13

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-03-08 03:12

Reported

2023-03-08 03:19

Platform

win7-20230220-en

Max time kernel

294s

Max time network

305s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1c9be74d8f870d1218685a86a51ffb01d96524a742fe9f610eb07d9c345e3961.dll

Signatures

Emotet

trojan banker emotet

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1996 wrote to memory of 1924 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1996 wrote to memory of 1924 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1996 wrote to memory of 1924 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1996 wrote to memory of 1924 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1996 wrote to memory of 1924 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1c9be74d8f870d1218685a86a51ffb01d96524a742fe9f610eb07d9c345e3961.dll

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\OSgbxgZwJQAZiRC\icKH.dll"

Network

Country Destination Domain Proto
FR 91.121.146.47:8080 tcp
FR 91.121.146.47:8080 tcp
US 66.228.32.31:7080 tcp
US 66.228.32.31:7080 tcp
KR 182.162.143.56:443 tcp
KR 182.162.143.56:443 tcp
BR 187.63.160.88:80 tcp
BR 187.63.160.88:80 tcp
US 167.172.199.165:8080 tcp
US 167.172.199.165:8080 tcp
DE 164.90.222.65:443 tcp
DE 164.90.222.65:443 tcp
US 104.168.155.143:8080 tcp
US 104.168.155.143:8080 tcp
KG 91.207.28.33:8080 tcp
US 72.15.201.15:8080 tcp
KR 183.111.227.137:8080 tcp
IN 103.132.242.26:8080 tcp
GB 159.65.88.10:8080 tcp
DE 173.212.193.249:8080 tcp
ES 82.223.21.224:8080 tcp
JP 172.105.226.75:8080 tcp
JP 172.105.226.75:8080 tcp
AU 103.43.75.120:443 tcp
US 167.172.253.162:8080 tcp
KR 1.234.2.232:8080 tcp
SG 159.89.202.34:443 tcp
SG 159.89.202.34:443 tcp
BR 186.194.240.217:443 tcp
GR 185.4.135.165:8080 tcp
SG 139.59.126.41:443 tcp
DE 164.68.99.3:8080 tcp
FI 95.217.221.146:8080 tcp
ZA 129.232.188.93:443 tcp
CO 45.176.232.124:443 tcp
TH 163.44.196.120:8080 tcp
FR 79.137.35.198:8080 tcp
SG 153.92.5.27:8080 tcp
JP 160.16.142.56:8080 tcp

Files

memory/1996-54-0x0000000001E60000-0x0000000001F10000-memory.dmp

memory/1996-56-0x0000000180000000-0x000000018002D000-memory.dmp

memory/1996-59-0x00000000002A0000-0x00000000002A1000-memory.dmp

memory/1924-60-0x0000000001D30000-0x0000000001DE0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-03-08 03:12

Reported

2023-03-08 03:19

Platform

win10v2004-20230220-en

Max time kernel

293s

Max time network

265s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1c9be74d8f870d1218685a86a51ffb01d96524a742fe9f610eb07d9c345e3961.dll

Signatures

Emotet

trojan banker emotet

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Windows\system32\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\exWjcJxSvunsssb.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\UmJQqmljI\\exWjcJxSvunsssb.dll\"" C:\Windows\system32\regsvr32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1504 wrote to memory of 628 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1504 wrote to memory of 628 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1c9be74d8f870d1218685a86a51ffb01d96524a742fe9f610eb07d9c345e3961.dll

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\UmJQqmljI\exWjcJxSvunsssb.dll"

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 32.146.190.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 151.122.125.40.in-addr.arpa udp
US 13.89.178.26:443 tcp
US 8.8.8.8:53 58.104.205.20.in-addr.arpa udp
FR 91.121.146.47:8080 91.121.146.47 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 47.146.121.91.in-addr.arpa udp
US 8.8.8.8:53 234.238.32.23.in-addr.arpa udp
US 8.8.8.8:53 62.13.109.52.in-addr.arpa udp
US 117.18.237.29:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
US 8.8.8.8:53 2.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 76.38.195.152.in-addr.arpa udp

Files

memory/1504-133-0x0000000180000000-0x000000018002D000-memory.dmp

memory/1504-136-0x0000000000850000-0x0000000000851000-memory.dmp

memory/628-140-0x0000000000400000-0x00000000004B0000-memory.dmp