emotet | 83e988460e2d1305223d78eed848f66fbe3fdfe9d6fa0a10a008e09867dc90cb

Analysis

max time kernel
582s
max time network
594s
platform
windows10_x64
resource
win10v20201028
submitted
24-01-2021 19:01

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General

Target

E2-20210122_132251.dll
Size

340KB
MD5

7bbc4b2dd2977b0682988e89a4ca34fc
SHA1

31ac1c750c4d752a5b1240ebb4e4dee7836adf5f
SHA256

78ba72e6c6c2557705b498d3305c87486c0733507ba0bea8f90b9b3fe04d7979
SHA512

474d0750a106fd6739faf288ae63d4b42eeb396d74e64931209a71d13318b31dbfe1f82e6f20b82f087733e228ef97d5db75f56e10fad6c8c4b7910d598158cc

Score

10^/10

emotet epoch2 banker ransomware trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

108.53.88.101:443

195.159.28.230:8080

162.241.204.233:8080

74.40.205.197:443

93.146.48.84:80

78.189.148.42:80

139.99.158.11:443

61.19.246.238:443

37.139.21.175:8080

118.83.154.64:443

85.105.205.77:8080

176.111.60.55:8080

50.116.111.59:8080

75.109.111.18:80

181.165.68.127:80

78.182.254.231:80

110.145.101.66:443

24.179.13.119:80

121.124.124.40:7080

115.21.224.117:80

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

22 728 rundll32.exe
23 728 rundll32.exe
25 728 rundll32.exe
26 728 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Oftybopidsv\cvkshxfjff.jti 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
22	728	rundll32.exe
23	728	rundll32.exe
25	728	rundll32.exe
26	728	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Oftybopidsv\cvkshxfjff.jti	rundll32.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

rundll32.exe

pid	process
728	rundll32.exe
728	rundll32.exe
728	rundll32.exe
728	rundll32.exe
728	rundll32.exe
728	rundll32.exe
728	rundll32.exe
728	rundll32.exe
728	rundll32.exe
728	rundll32.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

rundll32.exe

pid process

1164 rundll32.exe

pid	process
1164	rundll32.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 740 wrote to memory of 1164	740	rundll32.exe	rundll32.exe
PID 740 wrote to memory of 1164	740	rundll32.exe	rundll32.exe
PID 740 wrote to memory of 1164	740	rundll32.exe	rundll32.exe
PID 1164 wrote to memory of 1792	1164	rundll32.exe	rundll32.exe
PID 1164 wrote to memory of 1792	1164	rundll32.exe	rundll32.exe
PID 1164 wrote to memory of 1792	1164	rundll32.exe	rundll32.exe
PID 1792 wrote to memory of 728	1792	rundll32.exe	rundll32.exe
PID 1792 wrote to memory of 728	1792	rundll32.exe	rundll32.exe
PID 1792 wrote to memory of 728	1792	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\E2-20210122_132251.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\E2-20210122_132251.dll,#1
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1164
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Oftybopidsv\cvkshxfjff.jti",RfihqzPhfNNI
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1792
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Oftybopidsv\cvkshxfjff.jti",#1
      4⤵
      Blocklisted process makes network request
      Suspicious behavior: EnumeratesProcesses
      PID:728

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/728-6-0x0000000000000000-mapping.dmp

Download
memory/1164-2-0x0000000000000000-mapping.dmp

Download
memory/1164-3-0x0000000000B90000-0x0000000000BB0000-memory.dmp

Filesize
128KB

Download
memory/1164-4-0x0000000010000000-0x0000000010023000-memory.dmp

Filesize
140KB

Download
memory/1792-5-0x0000000000000000-mapping.dmp

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