Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    06-05-2021 02:29

General

  • Target

    ea1025ebfb2cbc8b7ee79006a44c6c036329701015d45f6f3777e58915b83726_yzXwDsU.exe

  • Size

    419KB

  • MD5

    9cf2c56ef2d9ed4c679013369c6bf4c0

  • SHA1

    77a2d90daf8ccff12ba036924d49c0d57cfbc89b

  • SHA256

    ea1025ebfb2cbc8b7ee79006a44c6c036329701015d45f6f3777e58915b83726

  • SHA512

    824fa156c422176b7f41aeae17fe10ea40bd0cb4337a3093b76b7416add2412d6de606d12b0f50a9de0b68e92456728b4b6e1829f2c2324a667282c73a0e6598

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

C2

47.148.241.179:80

24.204.47.87:80

80.86.91.91:8080

104.236.28.47:8080

87.106.136.232:8080

211.63.71.72:8080

113.52.123.226:7080

78.101.70.199:443

76.86.17.1:80

222.144.13.169:80

47.155.214.239:80

181.143.126.170:80

169.239.182.217:8080

181.126.70.117:80

209.137.209.84:443

207.177.72.129:8080

37.139.21.175:8080

149.202.153.252:8080

108.6.170.195:80

37.187.72.193:8080

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea1025ebfb2cbc8b7ee79006a44c6c036329701015d45f6f3777e58915b83726_yzXwDsU.exe
    "C:\Users\Admin\AppData\Local\Temp\ea1025ebfb2cbc8b7ee79006a44c6c036329701015d45f6f3777e58915b83726_yzXwDsU.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Windows\SysWOW64\mscat32\mscat32.exe
      "C:\Windows\SysWOW64\mscat32\mscat32.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:532
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:784
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0xc8
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1988

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/532-64-0x0000000000000000-mapping.dmp
    • memory/532-66-0x0000000000360000-0x000000000036C000-memory.dmp
      Filesize

      48KB

    • memory/784-69-0x000007FEFB631000-0x000007FEFB633000-memory.dmp
      Filesize

      8KB

    • memory/1608-60-0x0000000075801000-0x0000000075803000-memory.dmp
      Filesize

      8KB

    • memory/1608-61-0x0000000000260000-0x000000000026C000-memory.dmp
      Filesize

      48KB

    • memory/1608-63-0x00000000001D0000-0x00000000001DA000-memory.dmp
      Filesize

      40KB