Analysis

  • max time kernel
    139s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-09-2024 11:24

General

  • Target

    50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe

  • Size

    790KB

  • MD5

    6f42a0a4f4c44c32c274c2383096d515

  • SHA1

    dcef833539c48b66f83c80c7f349bbbb16a057cd

  • SHA256

    50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd

  • SHA512

    87d1b426d2cfbdd609f4d8b2a4bd09ba2afeb101307e3a4dcc8fa9fa9bd1f0498a3ce5bedf50e2fb92c838b0e9a44624ca4d72b5f539cc10245cfedca04b3312

  • SSDEEP

    12288:qUi2iN7WxGv2cEgBsSs4j9a1sEEWPPJK1i2RGPBaVj0FbJqzvH1i4QPuTfj+:qUi1SgPEg2j1HPBKnRq40EvHEvP4fj+

Malware Config

Signatures

  • HawkEye

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Detected Nirsoft tools 9 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 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 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe
    "C:\Users\Admin\AppData\Local\Temp\50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4248
    • C:\Users\Admin\AppData\Local\Temp\50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe
      "C:\Users\Admin\AppData\Local\Temp\50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3256
      • 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"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:2440
      • 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"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\50acb0d9a9bc6cbca94b77ff490d5aff20c453b24c1fdd498a38a0878755d0bd.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

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

    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • memory/2440-28-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2440-26-0x0000000000460000-0x0000000000529000-memory.dmp

    Filesize

    804KB

  • memory/2440-22-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2440-24-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2440-25-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2820-41-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2820-30-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2820-33-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2820-32-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/3256-21-0x0000000006B20000-0x0000000006B28000-memory.dmp

    Filesize

    32KB

  • memory/3256-29-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/3256-11-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/3256-14-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/3256-16-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/3256-17-0x0000000005770000-0x00000000057C6000-memory.dmp

    Filesize

    344KB

  • memory/3256-20-0x0000000007920000-0x0000000007986000-memory.dmp

    Filesize

    408KB

  • memory/4248-7-0x00000000748EE000-0x00000000748EF000-memory.dmp

    Filesize

    4KB

  • memory/4248-15-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/4248-10-0x0000000005F50000-0x0000000005FFC000-memory.dmp

    Filesize

    688KB

  • memory/4248-9-0x0000000005CC0000-0x0000000005D5C000-memory.dmp

    Filesize

    624KB

  • memory/4248-8-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/4248-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

    Filesize

    4KB

  • memory/4248-6-0x0000000005380000-0x000000000538E000-memory.dmp

    Filesize

    56KB

  • memory/4248-5-0x00000000748E0000-0x0000000075090000-memory.dmp

    Filesize

    7.7MB

  • memory/4248-4-0x0000000004E90000-0x0000000004E9A000-memory.dmp

    Filesize

    40KB

  • memory/4248-3-0x0000000004EA0000-0x0000000004F32000-memory.dmp

    Filesize

    584KB

  • memory/4248-2-0x0000000005570000-0x0000000005B14000-memory.dmp

    Filesize

    5.6MB

  • memory/4248-1-0x00000000003C0000-0x000000000048C000-memory.dmp

    Filesize

    816KB