emotet | 03995882170eb6ebacaa47f77fc0c2e8fd78e17ab5427fbe3c70b2f91f46e44d

General

Target
8f6552b136a4dd8719c898f90df1ba44.dll
Size 416KB
Sample211124-s3l4nadaer
SHA256 03995882170eb6ebacaa47f77fc0c2e8fd78e17ab5427fbe3c70b2f91f46e44d
MD5 8f6552b136a4dd8719c898f90df1ba44
SHA1 fea5b1d5e44dc58be42e472254e9b62b5caec532
SHA512 6aafb9415c8073e3a71c045543813d8d558c10ef5ee15c26dc175b7ef036873fbd2a3aa41e82c25e574cd8c5274320a812ea1e57eda8e8e42339504d221c4c5d
MD5 SHA1 SHA512

Score

10^/10

emotet banker suricata trojan

Malware Config

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet
suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)
suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)
suricata
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata

Blocklisted process makes network request 5 IoCs

flow	pid	Process
18	1116	rundll32.exe
19	1116	rundll32.exe
20	1116	rundll32.exe
25	1116	rundll32.exe
26	1116	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Xwyqebshbvgczwcn\wfrit.zfu	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1116	rundll32.exe
1116	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2728	rundll32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2764	2716	rundll32.exe	69
PID 2716 wrote to memory of 2764	2716	rundll32.exe	69
PID 2716 wrote to memory of 2764	2716	rundll32.exe	69
PID 2764 wrote to memory of 3364	2764	rundll32.exe	70
PID 2764 wrote to memory of 3364	2764	rundll32.exe	70
PID 2764 wrote to memory of 3364	2764	rundll32.exe	70
PID 3364 wrote to memory of 2728	3364	rundll32.exe	71
PID 3364 wrote to memory of 2728	3364	rundll32.exe	71
PID 3364 wrote to memory of 2728	3364	rundll32.exe	71
PID 2728 wrote to memory of 428	2728	rundll32.exe	72
PID 2728 wrote to memory of 428	2728	rundll32.exe	72
PID 2728 wrote to memory of 428	2728	rundll32.exe	72
PID 428 wrote to memory of 1300	428	rundll32.exe	73
PID 428 wrote to memory of 1300	428	rundll32.exe	73
PID 428 wrote to memory of 1300	428	rundll32.exe	73
PID 1300 wrote to memory of 1116	1300	rundll32.exe	74
PID 1300 wrote to memory of 1116	1300	rundll32.exe	74
PID 1300 wrote to memory of 1116	1300	rundll32.exe	74

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f6552b136a4dd8719c898f90df1ba44.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f6552b136a4dd8719c898f90df1ba44.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f6552b136a4dd8719c898f90df1ba44.dll,#1
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3364
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\8f6552b136a4dd8719c898f90df1ba44.dll",Control_RunDLL
      4⤵
      Drops file in System32 directory
      Suspicious behavior: RenamesItself
      Suspicious use of WriteProcessMemory
      PID:2728
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Xwyqebshbvgczwcn\wfrit.zfu",pjBZBoCNk
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:428
      - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Xwyqebshbvgczwcn\wfrit.zfu",Control_RunDLL
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:1300
        
        C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Xwyqebshbvgczwcn\wfrit.zfu",Control_RunDLL
        7⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1116

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3364-117-0x0000000010001000-0x0000000010024000-memory.dmp

Download

Analysis

Sharing