emotet | ca0dfe60010d4a8a69e4e4a830343fa2bff313eb97a78d7d8922d5c19965e77c

General

Target
ca0dfe60010d4a8a69e4e4a830343fa2bff313eb97a78d7d8922d5c19965e77c.dll
Size 252KB
Sample211116-s5cm1abdhr
SHA256 ca0dfe60010d4a8a69e4e4a830343fa2bff313eb97a78d7d8922d5c19965e77c
MD5 edcb4ac832734b724a4629ee125513db
SHA1 f78257c281f8a256e6e7113b238332cc2df17724
SHA512 e2f33a064d0ac87bfe48dc0537b2615452b452a3a920b3534fc81245faf1668c1dc1c26d0f1f474fa0091031ae314a6f1618a1fed3ac17abf629b1a62de6bf6c
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

81.0.236.93:443
94.177.248.64:443
66.42.55.5:7080
103.8.26.103:8080
185.184.25.237:8080
45.76.176.10:8080
188.93.125.116:8080
103.8.26.102:8080
178.79.147.66:8080
58.227.42.236:80
45.118.135.203:7080
103.75.201.2:443
195.154.133.20:443
45.142.114.231:8080
212.237.5.209:443
207.38.84.195:8080
104.251.214.46:8080
138.185.72.26:8080
51.68.175.8:8080
210.57.217.132:8080

eck1.plain

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 2 IoCs

flow	pid	Process
18	3032	rundll32.exe
23	3032	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Kykdi\rqntgfy.eyf	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
3032	rundll32.exe
3032	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4052	rundll32.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 3688	2564	rundll32.exe	69
PID 2564 wrote to memory of 3688	2564	rundll32.exe	69
PID 2564 wrote to memory of 3688	2564	rundll32.exe	69
PID 3688 wrote to memory of 4052	3688	rundll32.exe	70
PID 3688 wrote to memory of 4052	3688	rundll32.exe	70
PID 3688 wrote to memory of 4052	3688	rundll32.exe	70
PID 4052 wrote to memory of 1320	4052	rundll32.exe	71
PID 4052 wrote to memory of 1320	4052	rundll32.exe	71
PID 4052 wrote to memory of 1320	4052	rundll32.exe	71
PID 1320 wrote to memory of 3032	1320	rundll32.exe	72
PID 1320 wrote to memory of 3032	1320	rundll32.exe	72
PID 1320 wrote to memory of 3032	1320	rundll32.exe	72

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca0dfe60010d4a8a69e4e4a830343fa2bff313eb97a78d7d8922d5c19965e77c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca0dfe60010d4a8a69e4e4a830343fa2bff313eb97a78d7d8922d5c19965e77c.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3688
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\ca0dfe60010d4a8a69e4e4a830343fa2bff313eb97a78d7d8922d5c19965e77c.dll",Control_RunDLL
    3⤵
    - Drops file in System32 directory
    - Suspicious behavior: RenamesItself
    - Suspicious use of WriteProcessMemory
    PID:4052
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Kykdi\rqntgfy.eyf",zkcpecuK
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1320
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Kykdi\rqntgfy.eyf",Control_RunDLL
        5⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:3032

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

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Downloads

memory/3688-120-0x0000000010000000-0x0000000010028000-memory.dmp

Download

Analysis

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