Analysis

  • max time kernel
    162s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-05-2023 17:32

General

  • Target

    PO Lists --- pdf.exe

  • Size

    1.2MB

  • MD5

    eea1fbd22436e2b085fa5fcc55ea052e

  • SHA1

    76f7c18a39a48b86dda253eaa146fd6e1aa5df89

  • SHA256

    43e66c483be9cbb9f35ce7f57bf255925abd25a8fc40b80d79bf0cd2a3f54af9

  • SHA512

    3f9d3756e4e5f0bc1841a3fbfffd12fdd52708bb97db36b01dbb96b34946944e42297d9eb6e871f4ba5d653771118035eb7fc88f948e806911916409fc1bbdbe

  • SSDEEP

    24576:/j0pZcKDySR/Pxt8eD8dSevyifwZpNZ0C:L0zOu/JtR8HvyuSeC

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.lucd.ru
  • Port:
    21
  • Username:
    hwk@lucd.ru
  • Password:
    obum@911

Signatures

  • HawkEye

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

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 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.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO Lists --- pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PO Lists --- pdf.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:648
    • C:\Users\Admin\AppData\Local\Temp\PO Lists --- pdf.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3708
      • 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
        PID:3160
      • 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⤵
          PID:1300

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Scripting

    1
    T1064

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    4
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    2
    T1082

    Peripheral Device Discovery

    1
    T1120

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO Lists --- pdf.exe.log
      Filesize

      1KB

      MD5

      5200da2e50f24d5d543c3f10674acdcb

      SHA1

      b574a3336839882d799c0a7f635ea238efb934ee

      SHA256

      d2d81c1c9d35bc66149beaa77029bee68664d8512fc1efe373180bab77d61026

      SHA512

      24722a7de3250a6027a411c8b79d0720554c4efd59553f54b94ab77dc21efbf3191e0912901db475f08a6e9c1855d9e9594504d80d27300097418f4384a9d9cb

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

      3KB

      MD5

      f94dc819ca773f1e3cb27abbc9e7fa27

      SHA1

      9a7700efadc5ea09ab288544ef1e3cd876255086

      SHA256

      a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

      SHA512

      72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

    • memory/648-133-0x0000000000B60000-0x0000000000CA4000-memory.dmp
      Filesize

      1.3MB

    • memory/648-134-0x00000000055F0000-0x000000000568C000-memory.dmp
      Filesize

      624KB

    • memory/648-135-0x0000000005C40000-0x00000000061E4000-memory.dmp
      Filesize

      5.6MB

    • memory/648-136-0x0000000005730000-0x00000000057C2000-memory.dmp
      Filesize

      584KB

    • memory/648-137-0x00000000056E0000-0x00000000056EA000-memory.dmp
      Filesize

      40KB

    • memory/648-138-0x0000000005830000-0x0000000005886000-memory.dmp
      Filesize

      344KB

    • memory/648-139-0x00000000058F0000-0x0000000005900000-memory.dmp
      Filesize

      64KB

    • memory/648-140-0x00000000058F0000-0x0000000005900000-memory.dmp
      Filesize

      64KB

    • memory/648-141-0x000000000DDC0000-0x000000000DE26000-memory.dmp
      Filesize

      408KB

    • memory/1300-157-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1300-159-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1300-164-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1300-168-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/3160-150-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/3160-152-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/3160-153-0x0000000000420000-0x00000000004E9000-memory.dmp
      Filesize

      804KB

    • memory/3160-154-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/3708-155-0x0000000005000000-0x0000000005010000-memory.dmp
      Filesize

      64KB

    • memory/3708-156-0x0000000005000000-0x0000000005010000-memory.dmp
      Filesize

      64KB

    • memory/3708-145-0x0000000005000000-0x0000000005010000-memory.dmp
      Filesize

      64KB

    • memory/3708-163-0x0000000005000000-0x0000000005010000-memory.dmp
      Filesize

      64KB

    • memory/3708-142-0x0000000000400000-0x0000000000488000-memory.dmp
      Filesize

      544KB