Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-07-2023 15:22

General

  • Target

    PO#894.exe

  • Size

    1.5MB

  • MD5

    9ae482062c306491334cb178fe919a3e

  • SHA1

    c2f76bc7512dfc45621fc7f23f8b2deb6c45f5f0

  • SHA256

    1f998c6032159b469178389d2cc6debf14c810bd11b3be86a374ee7608d11cac

  • SHA512

    8dcd3ad324ada81ac3c40618b3754aa850f9fbdd4ee26105a28bdd39b62ae0625688827eae5499de6358779f150c7c2f790a136d010b7d55169203253a81bddb

  • SSDEEP

    24576:PXXQKVZnyHJ/mUgHrxpyUdjYxZi/nLzy+yNzbMCms016w33yd2OluON4fA9uCG:PHQ4nypujrxp5YxZ8LzlyZAd/L3yd2O8

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.lucd.ru
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    doll@@2020

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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO#894.exe
    "C:\Users\Admin\AppData\Local\Temp\PO#894.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1220
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vIAIAyAXewJvJh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp31B9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2404
    • C:\Users\Admin\AppData\Local\Temp\PO#894.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:1048
      • 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:2692
      • 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⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2144

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO#894.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

  • C:\Users\Admin\AppData\Local\Temp\tmp31B9.tmp

    Filesize

    1KB

    MD5

    89fb09170d6cd7b93fbe9113fc8a6479

    SHA1

    f9fed34500e3760c721021e63c658b475aa0ba08

    SHA256

    e67f4877ad137a41341236933499ba69920cf977a792a76730167167da061506

    SHA512

    d03feb672ff604e7feb9c4f794a84b66f788c6aa20c171c676fe2b72b8ffd74f5665f569e686f8a67238377fa664115d109f75c8ae397971ed665c27c719cef0

  • memory/1048-159-0x0000000005A00000-0x0000000005A10000-memory.dmp

    Filesize

    64KB

  • memory/1048-145-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/1048-166-0x0000000005A00000-0x0000000005A10000-memory.dmp

    Filesize

    64KB

  • memory/1048-148-0x0000000005A00000-0x0000000005A10000-memory.dmp

    Filesize

    64KB

  • memory/1048-158-0x0000000005A00000-0x0000000005A10000-memory.dmp

    Filesize

    64KB

  • memory/1220-140-0x0000000005960000-0x0000000005970000-memory.dmp

    Filesize

    64KB

  • memory/1220-136-0x00000000057F0000-0x0000000005882000-memory.dmp

    Filesize

    584KB

  • memory/1220-141-0x0000000007AF0000-0x0000000007B56000-memory.dmp

    Filesize

    408KB

  • memory/1220-135-0x0000000005DA0000-0x0000000006344000-memory.dmp

    Filesize

    5.6MB

  • memory/1220-139-0x00000000058F0000-0x0000000005946000-memory.dmp

    Filesize

    344KB

  • memory/1220-134-0x0000000005750000-0x00000000057EC000-memory.dmp

    Filesize

    624KB

  • memory/1220-138-0x0000000005710000-0x000000000571A000-memory.dmp

    Filesize

    40KB

  • memory/1220-137-0x0000000005960000-0x0000000005970000-memory.dmp

    Filesize

    64KB

  • memory/1220-133-0x0000000000BF0000-0x0000000000D70000-memory.dmp

    Filesize

    1.5MB

  • memory/2144-160-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2144-162-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2144-167-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2144-171-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/2692-157-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-156-0x0000000000420000-0x00000000004E9000-memory.dmp

    Filesize

    804KB

  • memory/2692-155-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2692-153-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB