emotet | 6d9928db2e64a0727d4c98a3ea74fca19306f30bb29beb3f7c2ae384a33f989b

Analysis

max time kernel
171s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-04-2022 19:46

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General

Target

rwyxpkyb.dll
Size

608KB
MD5

9a79cf9f3d181be0c7328ad7f43a2294
SHA1

c9f1d68fbe86bd0f8ef7b5c74869a03eb5bffa1d
SHA256

6d9928db2e64a0727d4c98a3ea74fca19306f30bb29beb3f7c2ae384a33f989b
SHA512

facbc44058928e7e8f95a70e5e833c395f38ae8ab3177e139df1e03d41d67a784b039df428cb07ff0ca04f270e1a997c5903ee84c443fd8d372f341e400334f4

Score

10^/10

emotet epoch5 banker suricata trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch5

5.189.160.61:443

94.177.178.26:8080

202.29.239.162:443

54.38.143.246:7080

119.59.125.140:8080

185.148.168.15:8080

188.166.229.148:443

2.58.16.87:8080

104.131.62.48:8080

103.82.248.59:7080

37.59.209.141:8080

103.133.214.242:8080

195.77.239.39:8080

128.199.192.135:8080

78.47.204.80:443

59.148.253.194:443

87.106.97.83:7080

45.71.195.104:8080

85.214.67.203:8080

139.196.72.155:8080

eck1.plain

ecs1.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata

Loads dropped DLL 1 IoCs

pid	Process
2732	regsvr32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Nastgc\mripqhsxcj.tid	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2732	regsvr32.exe
2732	regsvr32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1620	regsvr32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 1620	1812	regsvr32.exe	82
PID 1812 wrote to memory of 1620	1812	regsvr32.exe	82
PID 1812 wrote to memory of 1620	1812	regsvr32.exe	82
PID 1620 wrote to memory of 2732	1620	regsvr32.exe	85
PID 1620 wrote to memory of 2732	1620	regsvr32.exe	85
PID 1620 wrote to memory of 2732	1620	regsvr32.exe	85

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\rwyxpkyb.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\rwyxpkyb.dll
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1620
- - C:\Windows\SysWOW64\regsvr32.exe
    C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Nastgc\mripqhsxcj.tid"
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:2732

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Nastgc\mripqhsxcj.tid

Filesize
608KB

MD5
9a79cf9f3d181be0c7328ad7f43a2294

SHA1
c9f1d68fbe86bd0f8ef7b5c74869a03eb5bffa1d

SHA256
6d9928db2e64a0727d4c98a3ea74fca19306f30bb29beb3f7c2ae384a33f989b

SHA512
facbc44058928e7e8f95a70e5e833c395f38ae8ab3177e139df1e03d41d67a784b039df428cb07ff0ca04f270e1a997c5903ee84c443fd8d372f341e400334f4

Download Submit
memory/1620-131-0x0000000002520000-0x0000000002543000-memory.dmp

Filesize
140KB

Download
memory/2732-136-0x00000000009D0000-0x00000000009F3000-memory.dmp

Filesize
140KB

Download