emotet | 83e988460e2d1305223d78eed848f66fbe3fdfe9d6fa0a10a008e09867dc90cb

Analysis

max time kernel
597s
max time network
603s
platform
windows10_x64
resource
win10v20201028
submitted
24-01-2021 19:01

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General

Target

E2-20210122_214126.dll
Size

340KB
MD5

2433f3b275380a5c957172d625c3a2f8
SHA1

e5ff9fd44d7c05027a39b8b7f1d5900fe453ec75
SHA256

87db89ff155c548270afefa729c0cfc62f625b8267478b903ddeaa2cce7ad789
SHA512

e89c5bf1b0c3caf8ef985604b99d917e7a647ca92241718c0fa0cf5c86be15f2fb1e64eeb7c3f1e7fe8752813886ed0a9316a72985236b80d4fe4f3ebccf8d38

Score

10^/10

emotet epoch2 banker ransomware trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

69.38.130.14:80

195.159.28.230:8080

162.241.204.233:8080

115.21.224.117:80

78.189.148.42:80

181.165.68.127:80

78.188.225.105:80

161.0.153.60:80

89.106.251.163:80

172.125.40.123:80

5.39.91.110:7080

110.145.11.73:80

190.251.200.206:80

144.217.7.207:7080

75.109.111.18:80

75.177.207.146:80

139.59.60.244:8080

70.183.211.3:80

95.213.236.64:8080

61.19.246.238:443

rsa_pubkey.plain

Signatures

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

Blocklisted process makes network request 11 IoCs

Processes:

rundll32.exe

flow	pid	process
16	4044	rundll32.exe
18	4044	rundll32.exe
20	4044	rundll32.exe
21	4044	rundll32.exe
23	4044	rundll32.exe
24	4044	rundll32.exe
25	4044	rundll32.exe
26	4044	rundll32.exe
28	4044	rundll32.exe
29	4044	rundll32.exe
30	4044	rundll32.exe

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Scnvv\xrsf.olf 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\Scnvv\xrsf.olf	rundll32.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

rundll32.exe

pid	process
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	rundll32.exe
4044	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 4808 wrote to memory of 4848	4808	rundll32.exe	rundll32.exe
PID 4808 wrote to memory of 4848	4808	rundll32.exe	rundll32.exe
PID 4808 wrote to memory of 4848	4808	rundll32.exe	rundll32.exe
PID 4848 wrote to memory of 4360	4848	rundll32.exe	rundll32.exe
PID 4848 wrote to memory of 4360	4848	rundll32.exe	rundll32.exe
PID 4848 wrote to memory of 4360	4848	rundll32.exe	rundll32.exe
PID 4360 wrote to memory of 4044	4360	rundll32.exe	rundll32.exe
PID 4360 wrote to memory of 4044	4360	rundll32.exe	rundll32.exe
PID 4360 wrote to memory of 4044	4360	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\E2-20210122_214126.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\E2-20210122_214126.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\Scnvv\xrsf.olf",kGYteHQrC
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4360
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Scnvv\xrsf.olf",#1
      4⤵
      Blocklisted process makes network request
      Suspicious behavior: EnumeratesProcesses
      PID:4044

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/4044-7-0x0000000000000000-mapping.dmp

Download
memory/4360-5-0x0000000000000000-mapping.dmp

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

Download
memory/4848-3-0x0000000000F80000-0x0000000000FA0000-memory.dmp

Filesize
128KB

Download
memory/4848-4-0x0000000010000000-0x0000000010023000-memory.dmp

Filesize
140KB

Download