Analysis

  • max time kernel
    137s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-07-2024 02:13

General

  • Target

    f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe

  • Size

    881KB

  • MD5

    4b6a9daefc35a680c726bede57b9a1e7

  • SHA1

    75f1c17dcb8d7d07aba3de32e432a198432fd65b

  • SHA256

    f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b

  • SHA512

    f3d4d1872ce0e9e75ab82c218dd5ee1b4dad80f1b0b92f79e1338cffa9acffacabe7646e9db1a206fa5715c8d6ad872a562957bf8e46264f9e2acbf7106aeb16

  • SSDEEP

    12288:mx4DpIngdgIMVJwhIF6A1fUiMxwsVc481bBg4/DnoOVTBkFuVclJ/cocNboPhAMh:ld0G46AVUi2mXwOeldNcNsJR7SJw

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

http://103.130.147.85

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe
    "C:\Users\Admin\AppData\Local\Temp\f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4412
    • C:\Users\Admin\AppData\Local\Temp\f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe
      C:\Users\Admin\AppData\Local\Temp\f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3456
  • 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 --field-trial-handle=2708,i,8660989700097327804,17931739887231169645,262144 --variations-seed-version --mojo-platform-channel-handle=3756 /prefetch:8
    1⤵
      PID:3320

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    2
    T1552

    Credentials In Files

    2
    T1552.001

    Collection

    Data from Local System

    2
    T1005

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\f4950f52673c4a9fc9a369228ba52f417038fcbba3901245921ba8a68fba5a6b.exe.log
      Filesize

      1KB

      MD5

      00e11b196d5ba77191cba469e8925764

      SHA1

      f1546b803f20c8b4010f862843edc0b0771a681b

      SHA256

      abfc56372bee93b3c083a66ac449e55f824c5ef64cbb87d656011cc0ff1ec6c1

      SHA512

      985bd5a4d4f516701e54a4c361dd3a454cb107694cd240336e32365822f49b47f0a2e0cc04ae7866bfd4d142175540bb329f02f3e1b990e9a09c63c2e258f0a7

    • memory/3456-7-0x0000000140000000-0x0000000140024000-memory.dmp
      Filesize

      144KB

    • memory/3456-15-0x00007FF8D8490000-0x00007FF8D8F51000-memory.dmp
      Filesize

      10.8MB

    • memory/3456-14-0x000000001EBF0000-0x000000001EDB2000-memory.dmp
      Filesize

      1.8MB

    • memory/3456-13-0x000000001E9D0000-0x000000001EA20000-memory.dmp
      Filesize

      320KB

    • memory/3456-12-0x00007FF8D8490000-0x00007FF8D8F51000-memory.dmp
      Filesize

      10.8MB

    • memory/3456-11-0x00007FF8D8490000-0x00007FF8D8F51000-memory.dmp
      Filesize

      10.8MB

    • memory/4412-6-0x000000001D740000-0x000000001D7E4000-memory.dmp
      Filesize

      656KB

    • memory/4412-0-0x00007FF8D8493000-0x00007FF8D8495000-memory.dmp
      Filesize

      8KB

    • memory/4412-10-0x00007FF8D8490000-0x00007FF8D8F51000-memory.dmp
      Filesize

      10.8MB

    • memory/4412-5-0x00000000012E0000-0x00000000012F4000-memory.dmp
      Filesize

      80KB

    • memory/4412-4-0x00000000017C0000-0x00000000017D6000-memory.dmp
      Filesize

      88KB

    • memory/4412-3-0x00000000017A0000-0x00000000017C4000-memory.dmp
      Filesize

      144KB

    • memory/4412-2-0x00007FF8D8490000-0x00007FF8D8F51000-memory.dmp
      Filesize

      10.8MB

    • memory/4412-1-0x0000000000810000-0x00000000008F2000-memory.dmp
      Filesize

      904KB