Resubmissions

22-11-2023 17:02

231122-vkac9adg64 10

19-01-2021 19:24

210119-s26yznnqsn 10

19-11-2020 13:14

201119-s41ec6lt86 10

Analysis

  • max time kernel
    156s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2023 17:02

General

  • Target

    2c01b007729230c415420ad641ad92eb.exe

  • Size

    1.3MB

  • MD5

    daef338f9c47d5394b7e1e60ce38d02d

  • SHA1

    c0a07e8c32528d29aae26aaecbf6a67ed95b8c8e

  • SHA256

    5d03fd083b626a5516194d5e94576349100c9c98ca7d6845642ed9579980ca58

  • SHA512

    d0f4050fc2c5f38ab598729fb6930c84bf779d47b5a8b4e860bc0e9ca8be454ad5dce001d8f88299d8a079eafd4c26efcdd2d196352acfe45e940cc107fcebf4

  • SSDEEP

    24576:W85y6Jwdt8jtWoJpXWHALGX+C1Co3aP8jvuC7g6zwm4m53Sb21SR:HXsSGuC/MIvuC5kFm53Sy1SR

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 9 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c01b007729230c415420ad641ad92eb.exe
    "C:\Users\Admin\AppData\Local\Temp\2c01b007729230c415420ad641ad92eb.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3548
    • C:\Users\Admin\AppData\Roaming\wou\odm.exe
      "C:\Users\Admin\AppData\Roaming\wou\odm.exe" kja-pex
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2800
      • C:\Users\Admin\AppData\Roaming\wou\odm.exe
        C:\Users\Admin\AppData\Roaming\wou\odm.exe C:\Users\Admin\AppData\Roaming\wou\SENMD
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1988
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4040
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
            5⤵
            • Accesses Microsoft Outlook accounts
            PID:2504
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
            5⤵
              PID:4652
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
            C:\Users\Admin\AppData\Roaming\wou\SENMD
            4⤵
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            PID:4084

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scripting

    1
    T1064

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Scripting

    1
    T1064

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
      Filesize

      3KB

      MD5

      f94dc819ca773f1e3cb27abbc9e7fa27

      SHA1

      9a7700efadc5ea09ab288544ef1e3cd876255086

      SHA256

      a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

      SHA512

      72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

    • C:\Users\Admin\AppData\Roaming\wou\SENMD
      Filesize

      91KB

      MD5

      9375872d82fbfe00eb4f6e608aa170d8

      SHA1

      b6d6f7059c025075141293cc0c1f80c1063ef75b

      SHA256

      a1b44347af8b2b2bf0409bb96e99f012035dc494ef44db409dbcd2bb726ff2e9

      SHA512

      f05e7f8c5d4edc6c41c0a2e4c63492a8578a4ae44e093396214fe422b90bd6e6d5fc98e1d8c4ee2253845a8b1a0bf202cd27450f641a8261d7f660b26162b863

    • C:\Users\Admin\AppData\Roaming\wou\kja-pex
      Filesize

      100.2MB

      MD5

      8a37b55b28fa2ca380713e4b00144c65

      SHA1

      991526e3ba7fda254889cf3c227c2a0d0d658730

      SHA256

      345feda5f00dd3f9f9e3156a81028e0cac5e72421d835a7b6712351c1d304220

      SHA512

      97f8448356fc5cb6b83e3e15c58992d1364ae319057df68fb1776cde2050ff89505141809a7b167f473c63e2fc3ebeee93c4638e62a6cac0a3dd49f8e13ad6e5

    • C:\Users\Admin\AppData\Roaming\wou\odm.exe
      Filesize

      732KB

      MD5

      71d8f6d5dc35517275bc38ebcc815f9f

      SHA1

      cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

      SHA256

      fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

      SHA512

      4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

    • C:\Users\Admin\AppData\Roaming\wou\odm.exe
      Filesize

      732KB

      MD5

      71d8f6d5dc35517275bc38ebcc815f9f

      SHA1

      cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

      SHA256

      fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

      SHA512

      4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

    • C:\Users\Admin\AppData\Roaming\wou\odm.exe
      Filesize

      732KB

      MD5

      71d8f6d5dc35517275bc38ebcc815f9f

      SHA1

      cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

      SHA256

      fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

      SHA512

      4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

    • C:\Users\Admin\AppData\Roaming\wou\odm.exe
      Filesize

      732KB

      MD5

      71d8f6d5dc35517275bc38ebcc815f9f

      SHA1

      cae4e8c730de5a01d30aabeb3e5cb2136090ed8d

      SHA256

      fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b

      SHA512

      4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59

    • C:\Users\Admin\AppData\Roaming\wou\rid.ico
      Filesize

      1.2MB

      MD5

      a5f2dcee6a2a6047aa8fdde1ae2ce290

      SHA1

      7a082661c9a3431cd89ed4d9959178d60b9570f7

      SHA256

      7da78e767ff859970c8dae593b62f1366c2c651500eb280f0077a2245a9a8625

      SHA512

      e001300fc56f9bc8e9d61cb904ea6dec5ca447729015c9ff3dccc021f319fcce57ebaabb196a56f80d249dfbb88b4a0a273858cf14c7b9a93c10c9c8bc243d0a

    • C:\Users\Admin\AppData\Roaming\wou\spd
      Filesize

      4B

      MD5

      098f6bcd4621d373cade4e832627b4f6

      SHA1

      a94a8fe5ccb19ba61c4c0873d391e987982fbbd3

      SHA256

      9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08

      SHA512

      ee26b0dd4af7e749aa1a8ee3c10ae9923f618980772e473f8819a5d4940e0db27ac185f8a0e1d5f84f88bc887fd67b143732c304cc5fa9ad8e6f57f50028a8ff

    • memory/2504-104-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/2504-106-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/2504-103-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/2504-101-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/4040-89-0x0000000000400000-0x0000000000484000-memory.dmp
      Filesize

      528KB

    • memory/4040-112-0x00000000026B0000-0x00000000026C0000-memory.dmp
      Filesize

      64KB

    • memory/4040-97-0x00000000026B0000-0x00000000026C0000-memory.dmp
      Filesize

      64KB

    • memory/4040-95-0x0000000073CE0000-0x0000000074291000-memory.dmp
      Filesize

      5.7MB

    • memory/4040-121-0x00000000026B0000-0x00000000026C0000-memory.dmp
      Filesize

      64KB

    • memory/4040-96-0x0000000073CE0000-0x0000000074291000-memory.dmp
      Filesize

      5.7MB

    • memory/4040-108-0x0000000073CE0000-0x0000000074291000-memory.dmp
      Filesize

      5.7MB

    • memory/4084-107-0x00000000009A0000-0x0000000000A6C000-memory.dmp
      Filesize

      816KB

    • memory/4084-93-0x00000000009A0000-0x0000000000A6C000-memory.dmp
      Filesize

      816KB

    • memory/4084-91-0x00000000009A0000-0x0000000000A6C000-memory.dmp
      Filesize

      816KB

    • memory/4084-94-0x00000000009A0000-0x0000000000A6C000-memory.dmp
      Filesize

      816KB

    • memory/4652-109-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/4652-111-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/4652-113-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/4652-119-0x0000000000460000-0x0000000000529000-memory.dmp
      Filesize

      804KB

    • memory/4652-120-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB