Analysis

  • max time kernel
    261s
  • max time network
    296s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    24-01-2021 20:33

General

  • Target

    b2b7a1b31f07a3f83f580ace59e10b93ae35ec4f8bdda8a9ac53e0987bf55ab7.dll

  • Size

    340KB

  • MD5

    c687b3f55c35d5fdefb10aed2254587b

  • SHA1

    d00dc873f6a0dbb9a68c64a545ae0917cb5c2d02

  • SHA256

    b2b7a1b31f07a3f83f580ace59e10b93ae35ec4f8bdda8a9ac53e0987bf55ab7

  • SHA512

    160387ad4d9e65e9eb6dd2e2e334f3b7b3d25524876ca7c60c9d152226c62de0f1288cef2492656dff59c23cba1484e7f9f3e2c913b3dc1bb999236f6b65ed60

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

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.

  • 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\b2b7a1b31f07a3f83f580ace59e10b93ae35ec4f8bdda8a9ac53e0987bf55ab7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2b7a1b31f07a3f83f580ace59e10b93ae35ec4f8bdda8a9ac53e0987bf55ab7.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      PID:1416

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1416-2-0x0000000000000000-mapping.dmp

  • memory/1416-3-0x00000000033F0000-0x0000000003410000-memory.dmp

    Filesize

    128KB

  • memory/1416-4-0x0000000010000000-0x0000000010023000-memory.dmp

    Filesize

    140KB