emotet | b527cac11853d762d88ee2f5497d7bc7e7fab5ab3f092ba63d11909f3b9793e7

Analysis

max time kernel
130s
max time network
141s
platform
windows10_x64
resource
win10-en-20211104
submitted
02/12/2021, 00:08

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General

Target
emotet_exe_e5_b527cac11853d762d88ee2f5497d7bc7e7fab5ab3f092ba63d11909f3b9793e7_2021-12-02__000707.exe.dll
Size 364KB
Sample211202-aexldahbcj
SHA256 b527cac11853d762d88ee2f5497d7bc7e7fab5ab3f092ba63d11909f3b9793e7
MD5 e4d38fbc0a626d2d02c780c92646cd43
SHA1 a2bf4cea49d4af6e1d8161e9529928d9f5ad8ab1
SHA512 7caa1c6100fc496e1e37f8ae840d4795755600cab580af30428da2c391846c4a5e162fbc9fdc69cddcb9188169b3b4f54cb0d458716411526ac59c615ee2f51b
MD5 SHA1 SHA512

Score

10^/10

emotet epoch5 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch5

45.63.5.129:443
128.199.192.135:8080
51.178.61.60:443
168.197.250.14:80
177.72.80.14:7080
51.210.242.234:8080
142.4.219.173:8080
78.47.204.80:443
78.46.73.125:443
37.44.244.177:8080
37.59.209.141:8080
191.252.103.16:80
54.38.242.185:443
85.214.67.203:8080
217.182.143.207:443
159.69.237.188:443
210.57.209.142:8080
54.37.228.122:443
207.148.81.119:8080
195.77.239.39:8080
66.42.57.149:443
195.154.146.35:443

eck1.plain

ecs1.plain

Signatures

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

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Zmtizqmmevg\tyfcxoa.bgy	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: RenamesItself 1 IoCs

pid	Process
2288	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4052 wrote to memory of 4228	4052	rundll32.exe	69
PID 4052 wrote to memory of 4228	4052	rundll32.exe	69
PID 4052 wrote to memory of 4228	4052	rundll32.exe	69
PID 4228 wrote to memory of 2288	4228	rundll32.exe	70
PID 4228 wrote to memory of 2288	4228	rundll32.exe	70
PID 4228 wrote to memory of 2288	4228	rundll32.exe	70
PID 2288 wrote to memory of 3216	2288	rundll32.exe	73
PID 2288 wrote to memory of 3216	2288	rundll32.exe	73
PID 2288 wrote to memory of 3216	2288	rundll32.exe	73

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\emotet_exe_e5_b527cac11853d762d88ee2f5497d7bc7e7fab5ab3f092ba63d11909f3b9793e7_2021-12-02__000707.exe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\emotet_exe_e5_b527cac11853d762d88ee2f5497d7bc7e7fab5ab3f092ba63d11909f3b9793e7_2021-12-02__000707.exe.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4228
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\emotet_exe_e5_b527cac11853d762d88ee2f5497d7bc7e7fab5ab3f092ba63d11909f3b9793e7_2021-12-02__000707.exe.dll",Control_RunDLL
    3⤵
    - Drops file in System32 directory
    - Suspicious behavior: RenamesItself
    - Suspicious use of WriteProcessMemory
    PID:2288
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Zmtizqmmevg\tyfcxoa.bgy",MSQyxmqEDxP
      4⤵
      PID:3216

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

Replay Monitor

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Downloads

memory/2288-121-0x0000000002AA0000-0x0000000002BEA000-memory.dmp

Download

memory/4228-120-0x00000000026D0000-0x00000000026F7000-memory.dmp