emotet | 83e988460e2d1305223d78eed848f66fbe3fdfe9d6fa0a10a008e09867dc90cb

Analysis

max time kernel
573s
max time network
585s
platform
windows10_x64
resource
win10v20201028
submitted
24-01-2021 19:01

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General

Target

E1-20210122_132254.dll
Size

346KB
MD5

ab77ae5d3538208590adc70713cc7d24
SHA1

427a64f7ede53d79822ae0512fedac86bcf9eb6c
SHA256

705821903a8ccb6aee7e2a8d92b5426c06a4c41e58e546e86e441a0ad8718438
SHA512

7695dd573da976e92338893cf0f1b3626fbb27fb57f34deffff50353fdbb590783c5608dc7b1b13260e0c04275fffefbd2d690d61133f336b825a072a0c6ac7d

Score

10^/10

emotet epoch1 banker ransomware trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

84.232.229.24:80

51.255.203.164:8080

217.160.169.110:8080

51.15.7.145:80

177.85.167.10:80

186.177.174.163:80

190.114.254.163:8080

185.183.16.47:80

149.202.72.142:7080

181.30.61.163:443

31.27.59.105:80

50.28.51.143:8080

68.183.190.199:8080

85.214.26.7:8080

137.74.106.111:7080

200.75.39.254:80

85.105.239.184:443

190.45.24.210:80

170.81.48.2:80

109.101.137.162:8080

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	2916	rundll32.exe
19	2916	rundll32.exe
20	2916	rundll32.exe
21	2916	rundll32.exe
22	2916	rundll32.exe
24	2916	rundll32.exe
25	2916	rundll32.exe
26	2916	rundll32.exe
27	2916	rundll32.exe
28	2916	rundll32.exe

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Tkifntzma\ohllqvsg.ccs 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\Tkifntzma\ohllqvsg.ccs	rundll32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

rundll32.exe

pid	process
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe
2916	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

rundll32.exe

pid process

4788 rundll32.exe

pid	process
4788	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 4704 wrote to memory of 4788	4704	rundll32.exe	rundll32.exe
PID 4704 wrote to memory of 4788	4704	rundll32.exe	rundll32.exe
PID 4704 wrote to memory of 4788	4704	rundll32.exe	rundll32.exe
PID 4788 wrote to memory of 1644	4788	rundll32.exe	rundll32.exe
PID 4788 wrote to memory of 1644	4788	rundll32.exe	rundll32.exe
PID 4788 wrote to memory of 1644	4788	rundll32.exe	rundll32.exe
PID 1644 wrote to memory of 2916	1644	rundll32.exe	rundll32.exe
PID 1644 wrote to memory of 2916	1644	rundll32.exe	rundll32.exe
PID 1644 wrote to memory of 2916	1644	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\E1-20210122_132254.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\E1-20210122_132254.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:4788
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Tkifntzma\ohllqvsg.ccs",JtUZxrHtgIQRh
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1644
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Tkifntzma\ohllqvsg.ccs",#1
      4⤵
      Blocklisted process makes network request
      Suspicious behavior: EnumeratesProcesses
      PID:2916

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/1644-3-0x0000000000000000-mapping.dmp

Download
memory/2916-6-0x0000000000000000-mapping.dmp

Download
memory/4788-2-0x0000000000000000-mapping.dmp

Download
memory/4788-4-0x0000000000FB0000-0x0000000000FD1000-memory.dmp

Filesize
132KB

Download
memory/4788-5-0x0000000010000000-0x0000000010024000-memory.dmp

Filesize
144KB

Download