emotet | d3946790900d82d28e44eecd4e893cb03b0e564f933b3a55f1d0537e355d86c1

General

Target

d3946790900d82d28e44eecd4e893cb03b0e564f933b3a55f1d0537e355d86c1.dll
Size

252KB
MD5

07af24ee34ea5bd2305d45931ee4d5b9
SHA1

0806be7cd78d63cb1bb1ad654cd2ad1348d38db4
SHA256

d3946790900d82d28e44eecd4e893cb03b0e564f933b3a55f1d0537e355d86c1
SHA512

73fca6fa9410d5f9aff0b890abfcdd1f2a686b6d8cb14fe565f7c91d9d55ec6f5b59cf089d1d82f7f14ab4967f2a90b8230fe8fd634e6b337fe81ad3ddfb9287

Score

10^/10

emotet epoch4 banker 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

ecs1.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet
Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

14 1116 rundll32.exe
25 1116 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Nafsrx\xmpcrbnzfn.edl 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

Processes:

rundll32.exe

pid process

1116 rundll32.exe
1116 rundll32.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

rundll32.exe

pid process

2728 rundll32.exe

flow	pid	process
14	1116	rundll32.exe
25	1116	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Nafsrx\xmpcrbnzfn.edl	rundll32.exe

pid	process
1116	rundll32.exe
1116	rundll32.exe

pid	process
2728	rundll32.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

rundll32.exerundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 2764 wrote to memory of 3592	2764	rundll32.exe	rundll32.exe
PID 2764 wrote to memory of 3592	2764	rundll32.exe	rundll32.exe
PID 2764 wrote to memory of 3592	2764	rundll32.exe	rundll32.exe
PID 3592 wrote to memory of 2728	3592	rundll32.exe	rundll32.exe
PID 3592 wrote to memory of 2728	3592	rundll32.exe	rundll32.exe
PID 3592 wrote to memory of 2728	3592	rundll32.exe	rundll32.exe
PID 2728 wrote to memory of 1300	2728	rundll32.exe	rundll32.exe
PID 2728 wrote to memory of 1300	2728	rundll32.exe	rundll32.exe
PID 2728 wrote to memory of 1300	2728	rundll32.exe	rundll32.exe
PID 1300 wrote to memory of 1116	1300	rundll32.exe	rundll32.exe
PID 1300 wrote to memory of 1116	1300	rundll32.exe	rundll32.exe
PID 1300 wrote to memory of 1116	1300	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3946790900d82d28e44eecd4e893cb03b0e564f933b3a55f1d0537e355d86c1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2764

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d3946790900d82d28e44eecd4e893cb03b0e564f933b3a55f1d0537e355d86c1.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:3592

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\d3946790900d82d28e44eecd4e893cb03b0e564f933b3a55f1d0537e355d86c1.dll",Control_RunDLL
3⤵
- 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\Nafsrx\xmpcrbnzfn.edl",weXPTYTcvFFCie
4⤵
- Suspicious use of WriteProcessMemory
PID:1300

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Nafsrx\xmpcrbnzfn.edl",Control_RunDLL
5⤵
- 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

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Downloads

memory/1116-119-0x0000000000000000-mapping.dmp

Download
memory/1300-118-0x0000000000000000-mapping.dmp

Download
memory/2728-116-0x0000000000000000-mapping.dmp

Download
memory/3592-115-0x0000000000000000-mapping.dmp

Download
memory/3592-117-0x0000000010000000-0x0000000010028000-memory.dmp

Filesize
160KB

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Analysis

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