emotet | 83e988460e2d1305223d78eed848f66fbe3fdfe9d6fa0a10a008e09867dc90cb

Analysis

max time kernel
584s
max time network
596s
platform
windows10_x64
resource
win10v20201028
submitted
24-01-2021 19:01

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General

Target

E1-20210122_214129.dll
Size

346KB
MD5

29b3ad80fb198c20c6ad6b5aa28d8aae
SHA1

984e89ae11076a7888d40b7d6b62f22250a6eb31
SHA256

2efa06684326e0ddd41effe4b815ad298de7d44dc61410514aa1035afbbcda98
SHA512

8797ac415b15cdcd1bee20e111513f56aba29127a101ca3e152e74af58c98bc5e9ac47748a760ac1f2e5a66f358897f506da3c86b66059783e45bc6f592c5c0c

Score

10^/10

emotet epoch1 banker ransomware trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

84.232.229.24:80

51.255.203.164:8080

217.160.169.110:8080

51.15.7.145:80

177.85.167.10:80

186.177.174.163:80

190.114.254.163:8080

185.183.16.47:80

149.202.72.142:7080

181.30.61.163:443

31.27.59.105:80

50.28.51.143:8080

68.183.190.199:8080

85.214.26.7:8080

137.74.106.111:7080

200.75.39.254:80

85.105.239.184:443

190.45.24.210:80

170.81.48.2:80

109.101.137.162:8080

rsa_pubkey.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Blocklisted process makes network request 10 IoCs

Processes:

rundll32.exe

flow	pid	process
19	196	rundll32.exe
21	196	rundll32.exe
23	196	rundll32.exe
24	196	rundll32.exe
25	196	rundll32.exe
27	196	rundll32.exe
28	196	rundll32.exe
29	196	rundll32.exe
30	196	rundll32.exe
32	196	rundll32.exe

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Ozukjshxeidkjtq\wjaxjdhnouostv.abj rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Ozukjshxeidkjtq\wjaxjdhnouostv.abj	rundll32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

rundll32.exe

pid	process
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe
196	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

rundll32.exe

pid process

3476 rundll32.exe

pid	process
3476	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 3976 wrote to memory of 3476	3976	rundll32.exe	rundll32.exe
PID 3976 wrote to memory of 3476	3976	rundll32.exe	rundll32.exe
PID 3976 wrote to memory of 3476	3976	rundll32.exe	rundll32.exe
PID 3476 wrote to memory of 204	3476	rundll32.exe	rundll32.exe
PID 3476 wrote to memory of 204	3476	rundll32.exe	rundll32.exe
PID 3476 wrote to memory of 204	3476	rundll32.exe	rundll32.exe
PID 204 wrote to memory of 196	204	rundll32.exe	rundll32.exe
PID 204 wrote to memory of 196	204	rundll32.exe	rundll32.exe
PID 204 wrote to memory of 196	204	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\E1-20210122_214129.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3976
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\E1-20210122_214129.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:3476
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ozukjshxeidkjtq\wjaxjdhnouostv.abj",yYJn
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:204
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ozukjshxeidkjtq\wjaxjdhnouostv.abj",#1
      4⤵
      Blocklisted process makes network request
      Suspicious behavior: EnumeratesProcesses
      PID:196

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/196-6-0x0000000000000000-mapping.dmp

Download
memory/204-5-0x0000000000000000-mapping.dmp

Download
memory/3476-2-0x0000000000000000-mapping.dmp

Download
memory/3476-4-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download
memory/3476-3-0x0000000000CA0000-0x0000000000CC1000-memory.dmp

Filesize
132KB

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