emotet | 83e988460e2d1305223d78eed848f66fbe3fdfe9d6fa0a10a008e09867dc90cb

Analysis

max time kernel
576s
max time network
584s
platform
windows10_x64
resource
win10v20201028
submitted
24-01-2021 19:01

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General

Target

E3-20210122_155039.dll
Size

330KB
MD5

9fd0fb7aa4596c60af7215ae2e0ee308
SHA1

48ea4fdd108557529540568e2b26dbd3c4f69ac9
SHA256

80a2a7a9b7aba82b6a04a19170c2e85c3680881da0c00580721ac6b82136cff6
SHA512

b70a5d3f85a7337cc3daf1f0f7026d6d9f3927b482a9d4931c9b6bc4e11656277b99e5f747db0de37a661c828e032a1dfdad1a46ea7b27612ee09d666037e740

Score

10^/10

emotet epoch3 banker ransomware trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

190.55.186.229:80

203.157.152.9:7080

157.245.145.87:443

109.99.146.210:8080

116.202.10.123:8080

172.96.190.154:8080

163.53.204.180:443

190.107.118.125:80

91.93.3.85:8080

185.142.236.163:443

115.79.195.246:80

120.51.34.254:80

192.210.217.94:8080

198.20.228.9:8080

91.75.75.46:80

54.38.143.245:8080

161.49.84.2:80

162.144.145.58:8080

178.33.167.120:8080

201.193.160.196:80

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
16	3308	rundll32.exe
18	3308	rundll32.exe
19	3308	rundll32.exe
20	3308	rundll32.exe
22	3308	rundll32.exe
23	3308	rundll32.exe
24	3308	rundll32.exe
25	3308	rundll32.exe
26	3308	rundll32.exe
27	3308	rundll32.exe

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Ibbfrvdyk\wpowjutr.vsa 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\Ibbfrvdyk\wpowjutr.vsa	rundll32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

rundll32.exe

pid	process
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe
3308	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

rundll32.exe

pid process

3516 rundll32.exe

pid	process
3516	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 3976 wrote to memory of 3516	3976	rundll32.exe	rundll32.exe
PID 3976 wrote to memory of 3516	3976	rundll32.exe	rundll32.exe
PID 3976 wrote to memory of 3516	3976	rundll32.exe	rundll32.exe
PID 3516 wrote to memory of 3228	3516	rundll32.exe	rundll32.exe
PID 3516 wrote to memory of 3228	3516	rundll32.exe	rundll32.exe
PID 3516 wrote to memory of 3228	3516	rundll32.exe	rundll32.exe
PID 3228 wrote to memory of 3308	3228	rundll32.exe	rundll32.exe
PID 3228 wrote to memory of 3308	3228	rundll32.exe	rundll32.exe
PID 3228 wrote to memory of 3308	3228	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\E3-20210122_155039.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3976
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\E3-20210122_155039.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:3516
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ibbfrvdyk\wpowjutr.vsa",kJfrsMeEmsIRnD
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3228
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ibbfrvdyk\wpowjutr.vsa",#1
      4⤵
      Blocklisted process makes network request
      Suspicious behavior: EnumeratesProcesses
      PID:3308

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/3228-5-0x0000000000000000-mapping.dmp

Download
memory/3308-6-0x0000000000000000-mapping.dmp

Download
memory/3516-2-0x0000000000000000-mapping.dmp

Download
memory/3516-3-0x0000000002730000-0x000000000274F000-memory.dmp

Filesize
124KB

Download
memory/3516-4-0x0000000010000000-0x0000000010023000-memory.dmp

Filesize
140KB

Download