Analysis

  • max time kernel
    155s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 13:45

General

  • Target

    b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe

  • Size

    384KB

  • MD5

    f3f48c57c38bff2ddd220f20569e1ee6

  • SHA1

    0421127f1bcca91a6ab2a570a47f8159101b751a

  • SHA256

    b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc

  • SHA512

    4e6432ef57936317341b7b81ec433100d37bf46e84513e4fb495a2f820201af54d4f24f19e04d1f80aa03fd6662a1740303929ec2741b771523fb18ce87ed545

  • SSDEEP

    3072:iYyIxN7LMWf+GPBLi21ocO2jytUkU4uDQUiysA+30Sor6KH7j0m43ayYZt:GIx5MKQUJkqDDj+xW6KH7IuN

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

C2

190.117.206.153:443

203.99.187.137:443

200.55.168.82:20

70.32.94.58:8080

213.138.100.98:8080

144.76.62.10:8080

203.99.188.203:990

201.196.15.79:990

203.99.182.135:443

176.58.93.123:80

192.241.220.183:8080

94.177.253.126:80

181.47.235.26:993

216.75.37.196:8080

95.216.207.86:7080

78.109.34.178:443

113.52.135.33:7080

216.70.88.55:8080

138.197.140.163:8080

181.113.229.139:990

rsa_pubkey.plain

Signatures

  • Emotet

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

  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe
    "C:\Users\Admin\AppData\Local\Temp\b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3628
    • C:\Users\Admin\AppData\Local\Temp\b1cad1540ecb290088252635f8e130022eed7486eb128c0ca3d676945d60a9fc.exe
      --34872623
      2⤵
      • Suspicious behavior: RenamesItself
      PID:2732
  • C:\Windows\SysWOW64\pinkengine.exe
    "C:\Windows\SysWOW64\pinkengine.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4744
    • C:\Windows\SysWOW64\pinkengine.exe
      --b6bde18a
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:3268
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2268 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2300

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2732-6-0x00000000020A0000-0x00000000020B6000-memory.dmp

      Filesize

      88KB

    • memory/3628-0-0x00000000022D0000-0x00000000022E6000-memory.dmp

      Filesize

      88KB

    • memory/3628-5-0x00000000022C0000-0x00000000022D0000-memory.dmp

      Filesize

      64KB

    • memory/4744-11-0x00000000005F0000-0x0000000000606000-memory.dmp

      Filesize

      88KB