Analysis

  • max time kernel
    188s
  • max time network
    195s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-05-2022 20:50

General

  • Target

    PURCHASE -ORDER.exe

  • Size

    1.4MB

  • MD5

    951ee81181e3409f6a76859b6b9e7ba1

  • SHA1

    84af12a9a02fb549a54243bef77baee696e83571

  • SHA256

    d18f27370f8ee9d89c588980241ef2757a4a5d6cc70a357c7a45fae186c7e84b

  • SHA512

    bf0bc795bb3127e1d97284093324c45b228424b61df996382deca63be469bd5848bf348e70acb1ede40251668a98bef50067d74ea99cca70ae06d7f1946231a9

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 42 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PURCHASE -ORDER.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE -ORDER.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:4816
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oBFHEybcf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF666.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1540
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\PURCHASE -ORDER.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2420

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF666.tmp

    Filesize

    1KB

    MD5

    503ceecb58514ad8d5dec8d279ea7287

    SHA1

    cd68b32c3b2d27f3cafbca3240f5e9648ecac8e6

    SHA256

    624fc62d1a863df03d9b747ecc67e779669beb18955127cbb3ab971d63ac49c9

    SHA512

    25fef1dfc08a6f18958c6e2f3a5c88dc92b45b0c92341c88a9f9fe870d5a79014a3760a9ddddc64d54702ebf91f96e97cfc157c65e1e5ea70563a4891f1116c9

  • memory/1540-135-0x0000000000000000-mapping.dmp

  • memory/2420-142-0x00000000050E0000-0x0000000005102000-memory.dmp

    Filesize

    136KB

  • memory/2420-154-0x0000000007440000-0x0000000007448000-memory.dmp

    Filesize

    32KB

  • memory/2420-143-0x0000000005180000-0x00000000051E6000-memory.dmp

    Filesize

    408KB

  • memory/2420-153-0x0000000007510000-0x000000000752A000-memory.dmp

    Filesize

    104KB

  • memory/2420-152-0x0000000004C30000-0x0000000004C3E000-memory.dmp

    Filesize

    56KB

  • memory/2420-151-0x0000000007450000-0x00000000074E6000-memory.dmp

    Filesize

    600KB

  • memory/2420-138-0x0000000000000000-mapping.dmp

  • memory/2420-150-0x0000000007220000-0x000000000722A000-memory.dmp

    Filesize

    40KB

  • memory/2420-140-0x0000000002590000-0x00000000025C6000-memory.dmp

    Filesize

    216KB

  • memory/2420-144-0x0000000005E90000-0x0000000005EAE000-memory.dmp

    Filesize

    120KB

  • memory/2420-149-0x00000000071B0000-0x00000000071CA000-memory.dmp

    Filesize

    104KB

  • memory/2420-148-0x00000000077F0000-0x0000000007E6A000-memory.dmp

    Filesize

    6.5MB

  • memory/2420-141-0x0000000005240000-0x0000000005868000-memory.dmp

    Filesize

    6.2MB

  • memory/2420-145-0x0000000006470000-0x00000000064A2000-memory.dmp

    Filesize

    200KB

  • memory/2420-146-0x000000006F990000-0x000000006F9DC000-memory.dmp

    Filesize

    304KB

  • memory/2420-147-0x0000000006440000-0x000000000645E000-memory.dmp

    Filesize

    120KB

  • memory/4816-133-0x0000000005160000-0x000000000516A000-memory.dmp

    Filesize

    40KB

  • memory/4816-134-0x0000000005390000-0x000000000542C000-memory.dmp

    Filesize

    624KB

  • memory/4816-139-0x0000000008F10000-0x0000000008F60000-memory.dmp

    Filesize

    320KB

  • memory/4816-137-0x0000000008A10000-0x0000000008A76000-memory.dmp

    Filesize

    408KB

  • memory/4816-131-0x0000000005580000-0x0000000005B24000-memory.dmp

    Filesize

    5.6MB

  • memory/4816-132-0x00000000050B0000-0x0000000005142000-memory.dmp

    Filesize

    584KB

  • memory/4816-130-0x0000000000590000-0x00000000006F2000-memory.dmp

    Filesize

    1.4MB