emotet | 83e988460e2d1305223d78eed848f66fbe3fdfe9d6fa0a10a008e09867dc90cb

Analysis

max time kernel
579s
max time network
589s
platform
windows10_x64
resource
win10v20201028
submitted
24-01-2021 19:01

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General

Target

E3-20210122_214135.dll
Size

330KB
MD5

da2d0273101ed1b90f9b76c51a469733
SHA1

918f143d5385b9a72b624969f049bba8e45ff244
SHA256

4eb45e5798aa53064d06709eed3427021ccae1025806cb27d0482f2d20818fe2
SHA512

142b954b95934115b9c77145f087334e417d0a4bf97434836d40ba21ad66e514e776eab13bec239e2e56cf18b6549141db51d4a84a5c083170948c018c239051

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 4 IoCs

Processes:

rundll32.exe

flow pid process

24 3988 rundll32.exe
25 3988 rundll32.exe
26 3988 rundll32.exe
27 3988 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Mllvqvviqms\yiivxfpfzl.hun 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

flow	pid	process
24	3988	rundll32.exe
25	3988	rundll32.exe
26	3988	rundll32.exe
27	3988	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Mllvqvviqms\yiivxfpfzl.hun	rundll32.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

rundll32.exe

pid	process
3988	rundll32.exe
3988	rundll32.exe
3988	rundll32.exe
3988	rundll32.exe
3988	rundll32.exe
3988	rundll32.exe
3988	rundll32.exe
3988	rundll32.exe
3988	rundll32.exe
3988	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

rundll32.exe

pid process

64 rundll32.exe

pid	process
64	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 412 wrote to memory of 64	412	rundll32.exe	rundll32.exe
PID 412 wrote to memory of 64	412	rundll32.exe	rundll32.exe
PID 412 wrote to memory of 64	412	rundll32.exe	rundll32.exe
PID 64 wrote to memory of 188	64	rundll32.exe	rundll32.exe
PID 64 wrote to memory of 188	64	rundll32.exe	rundll32.exe
PID 64 wrote to memory of 188	64	rundll32.exe	rundll32.exe
PID 188 wrote to memory of 3988	188	rundll32.exe	rundll32.exe
PID 188 wrote to memory of 3988	188	rundll32.exe	rundll32.exe
PID 188 wrote to memory of 3988	188	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\E3-20210122_214135.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:412
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\E3-20210122_214135.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:64
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Mllvqvviqms\yiivxfpfzl.hun",dILDAFoj
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:188
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Mllvqvviqms\yiivxfpfzl.hun",#1
      4⤵
      Blocklisted process makes network request
      Suspicious behavior: EnumeratesProcesses
      PID:3988

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/64-2-0x0000000000000000-mapping.dmp

Download
memory/64-3-0x0000000002DE0000-0x0000000002DFF000-memory.dmp

Filesize
124KB

Download
memory/64-4-0x0000000010000000-0x0000000010023000-memory.dmp

Filesize
140KB

Download
memory/188-5-0x0000000000000000-mapping.dmp

Download
memory/3988-6-0x0000000000000000-mapping.dmp

Download