emotet | 83e988460e2d1305223d78eed848f66fbe3fdfe9d6fa0a10a008e09867dc90cb

Analysis

max time kernel
581s
max time network
593s
platform
windows10_x64
resource
win10v20201028
submitted
24-01-2021 19:01

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General

Target

E2-20210122_102146.dll
Size

340KB
MD5

cb3264c6b1b9f10c432cfd8464c50c35
SHA1

58d376387ba8437f502f4a087aa6826039bc674b
SHA256

0144ced73c6e569dcdb09f96346999a95c1618fdee9a2a3b8b294b75339c8717
SHA512

f9025827eb5f295b11d8a27b6d31829c2c49fa7f7ca35cb4c83b6c185222cb77cd45adf263b2cd0bc7143f711570a42a71b4ca66e3097989f2f6f702ef5991f2

Score

10^/10

emotet epoch2 banker ransomware trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

108.53.88.101:443

195.159.28.230:8080

162.241.204.233:8080

74.40.205.197:443

93.146.48.84:80

78.189.148.42:80

139.99.158.11:443

61.19.246.238:443

37.139.21.175:8080

118.83.154.64:443

85.105.205.77:8080

176.111.60.55:8080

50.116.111.59:8080

75.109.111.18:80

181.165.68.127:80

78.182.254.231:80

110.145.101.66:443

24.179.13.119:80

121.124.124.40:7080

115.21.224.117:80

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
17	552	rundll32.exe
19	552	rundll32.exe
20	552	rundll32.exe
21	552	rundll32.exe
23	552	rundll32.exe
24	552	rundll32.exe
25	552	rundll32.exe
26	552	rundll32.exe
27	552	rundll32.exe
29	552	rundll32.exe

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Wydlwiqcuxgw\vunkddoehhf.fzd 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\Wydlwiqcuxgw\vunkddoehhf.fzd	rundll32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

rundll32.exe

pid	process
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe
552	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

rundll32.exe

pid process

4848 rundll32.exe

pid	process
4848	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 4776 wrote to memory of 4848	4776	rundll32.exe	rundll32.exe
PID 4776 wrote to memory of 4848	4776	rundll32.exe	rundll32.exe
PID 4776 wrote to memory of 4848	4776	rundll32.exe	rundll32.exe
PID 4848 wrote to memory of 3300	4848	rundll32.exe	rundll32.exe
PID 4848 wrote to memory of 3300	4848	rundll32.exe	rundll32.exe
PID 4848 wrote to memory of 3300	4848	rundll32.exe	rundll32.exe
PID 3300 wrote to memory of 552	3300	rundll32.exe	rundll32.exe
PID 3300 wrote to memory of 552	3300	rundll32.exe	rundll32.exe
PID 3300 wrote to memory of 552	3300	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\E2-20210122_102146.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4776
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\E2-20210122_102146.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:4848
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Wydlwiqcuxgw\vunkddoehhf.fzd",XyBLFDCKeoPa
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3300
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Wydlwiqcuxgw\vunkddoehhf.fzd",#1
      4⤵
      Blocklisted process makes network request
      Suspicious behavior: EnumeratesProcesses
      PID:552

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/552-6-0x0000000000000000-mapping.dmp

Download
memory/3300-3-0x0000000000000000-mapping.dmp

Download
memory/4848-2-0x0000000000000000-mapping.dmp

Download
memory/4848-5-0x0000000010000000-0x0000000010023000-memory.dmp

Filesize
140KB

Download
memory/4848-4-0x00000000007E0000-0x0000000000800000-memory.dmp

Filesize
128KB

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