Malware Analysis Report

2024-12-07 04:16

Sample ID 241113-wbxmvswgrn
Target 6b170844e485658f0a8b2cfcfa386647f71b98faf99cc9f1b2fb1642a72203b4
SHA256 6b170844e485658f0a8b2cfcfa386647f71b98faf99cc9f1b2fb1642a72203b4
Tags
emotet epoch4 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

6b170844e485658f0a8b2cfcfa386647f71b98faf99cc9f1b2fb1642a72203b4

Threat Level: Known bad

The file 6b170844e485658f0a8b2cfcfa386647f71b98faf99cc9f1b2fb1642a72203b4 was found to be: Known bad.

Malicious Activity Summary

emotet epoch4 banker trojan

Emotet

Emotet family

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-11-13 17:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 17:45

Reported

2024-11-13 17:47

Platform

win7-20240903-en

Max time kernel

146s

Max time network

150s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6b170844e485658f0a8b2cfcfa386647f71b98faf99cc9f1b2fb1642a72203b4.dll

Signatures

Emotet

trojan banker emotet

Emotet family

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 2848 wrote to memory of 3064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2848 wrote to memory of 3064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2848 wrote to memory of 3064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2848 wrote to memory of 3064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2848 wrote to memory of 3064 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\6b170844e485658f0a8b2cfcfa386647f71b98faf99cc9f1b2fb1642a72203b4.dll

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\YYGDcHXTB\AJdjNY.dll"

Network

Country Destination Domain Proto
KR 182.162.143.56:443 182.162.143.56 tcp
US 169.60.181.70:8080 tcp
SG 149.28.143.92:443 tcp
RS 91.187.140.35:8080 tcp
BR 187.63.160.88:80 tcp
FR 94.23.45.86:4143 tcp
FI 95.217.221.146:8080 tcp
AU 110.232.117.186:8080 tcp
JP 160.16.142.56:8080 tcp

Files

memory/2848-0-0x00000000004D0000-0x00000000004D1000-memory.dmp

memory/2848-1-0x0000000001C50000-0x0000000001C7F000-memory.dmp

memory/2848-7-0x0000000180000000-0x00000001800E2000-memory.dmp

memory/3064-8-0x0000000180000000-0x00000001800E2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabF894.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\TarF8A6.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

memory/3064-63-0x0000000180000000-0x00000001800E2000-memory.dmp

memory/3064-70-0x0000000180000000-0x00000001800E2000-memory.dmp

memory/3064-73-0x0000000180000000-0x00000001800E2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 17:45

Reported

2024-11-13 17:47

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6b170844e485658f0a8b2cfcfa386647f71b98faf99cc9f1b2fb1642a72203b4.dll

Signatures

Emotet

trojan banker emotet

Emotet family

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
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 1016 wrote to memory of 4172 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1016 wrote to memory of 4172 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\6b170844e485658f0a8b2cfcfa386647f71b98faf99cc9f1b2fb1642a72203b4.dll

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\RNmTaJJCqnpjI\BsKdzHAlaC.dll"

Network

Country Destination Domain Proto
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
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
KR 182.162.143.56:443 182.162.143.56 tcp
US 8.8.8.8:53 56.143.162.182.in-addr.arpa udp
US 169.60.181.70:8080 tcp
SG 149.28.143.92:443 tcp
US 8.8.8.8:53 101.210.23.2.in-addr.arpa udp
RS 91.187.140.35:8080 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
BR 187.63.160.88:80 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
FR 94.23.45.86:4143 tcp
FI 95.217.221.146:8080 tcp
AU 110.232.117.186:8080 tcp
N/A 160.16.142.56:8080 tcp

Files

memory/1016-0-0x00000000008D0000-0x00000000008D1000-memory.dmp

memory/1016-1-0x00000000020A0000-0x00000000020CF000-memory.dmp

memory/1016-4-0x0000000180000000-0x00000001800E2000-memory.dmp