Analysis

  • max time kernel
    276s
  • max time network
    279s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    26-01-2021 08:57

General

  • Target

    91cf53eef169ffa1e27e2ddc66979a3b5c2659ec618c4be4553bb2f538929071.dll

  • Size

    617KB

  • MD5

    f86fadd7ad54987517d7a6bce1b214f0

  • SHA1

    d2893112a722ccf711db7bcd7d516aa36c899e31

  • SHA256

    91cf53eef169ffa1e27e2ddc66979a3b5c2659ec618c4be4553bb2f538929071

  • SHA512

    e6eff60fd59a728722e34cbf377f72d0d582c73490f846ba30b4ebf125f6b5a18b26a7b269bae774b4a8cdb29169c15c7305f183327de49a4bb0fee2be1af32b

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

C2

84.232.229.24:80

51.255.203.164:8080

217.160.169.110:8080

185.183.16.47:80

190.45.24.210:80

187.162.248.237:80

93.146.143.191:80

185.94.252.27:443

143.0.85.206:7080

80.15.100.37:80

85.105.239.184:443

94.176.234.118:443

62.84.75.50:80

137.74.106.111:7080

172.104.169.32:8080

46.105.114.137:8080

94.126.8.1:80

78.206.229.130:80

93.149.120.214:80

192.175.111.212:7080

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Blocklisted process makes network request 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\91cf53eef169ffa1e27e2ddc66979a3b5c2659ec618c4be4553bb2f538929071.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3992
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\91cf53eef169ffa1e27e2ddc66979a3b5c2659ec618c4be4553bb2f538929071.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      PID:504

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/504-2-0x0000000000000000-mapping.dmp
  • memory/504-4-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/504-3-0x0000000004EF0000-0x0000000004F17000-memory.dmp
    Filesize

    156KB