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Analysis

  • max time kernel
    135s
  • max time network
    109s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 08:08

General

  • Target

    f9ba6ee1f2c3b75871a97d6575d1aef83f996011ab227cfa34736d115dc1afe0.exe

  • Size

    2.7MB

  • MD5

    18f55e522b006a33ed823148b686a45b

  • SHA1

    69d266fbc587d9384ab3c1a0145eec48528e91af

  • SHA256

    f9ba6ee1f2c3b75871a97d6575d1aef83f996011ab227cfa34736d115dc1afe0

  • SHA512

    0943d53038478dcc24508bfbde4341592ad6c19b7881fec988cf938694f14dd56b66de5aad7100ebaa4dd019ed3178dcf6ab968102e00ef538f935cfff3b2102

  • SSDEEP

    49152:LWbPw9BM+0rYYgYYqW6Z4ivofcH2o5dqJKgUIbU4+a5sTW11qthC9BuT8gzpNVaW:mPwY+oWM4ilH2o5dqJKgUIbU4+a5sHCc

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 10 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9ba6ee1f2c3b75871a97d6575d1aef83f996011ab227cfa34736d115dc1afe0.exe
    "C:\Users\Admin\AppData\Local\Temp\f9ba6ee1f2c3b75871a97d6575d1aef83f996011ab227cfa34736d115dc1afe0.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3688
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\bnrbpwhgst.exe" /VERYSILENT
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4576
      • C:\Users\Admin\AppData\Local\Temp\bnrbpwhgst.exe
        "C:\Users\Admin\AppData\Local\Temp\bnrbpwhgst.exe" /VERYSILENT
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4132
        • C:\Users\Admin\AppData\Local\Temp\is-B00UR.tmp\bnrbpwhgst.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-B00UR.tmp\bnrbpwhgst.tmp" /SL5="$801E2,232785,54272,C:\Users\Admin\AppData\Local\Temp\bnrbpwhgst.exe" /VERYSILENT
          4⤵
          • Executes dropped EXE
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          PID:3108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\bnrbpwhgst.exe

    Filesize

    526KB

    MD5

    9beea33ea128fd25ad509ae7ff7bcff3

    SHA1

    3a87a124b47d68bf8eb1d1a4f9695fb2b2a52660

    SHA256

    e0634bc21490c472b233aaec047438feae557f0d57ea5b78b3b48260916e2b4e

    SHA512

    292996177bbb804ea3f6ad51fdb74707f1a1a35d50d8ae7b082d88cbb476bae1a883133c9e1dc4cefce78bc71f8d65276e5cdaeeef03088bc54beb41269dc5b3

  • C:\Users\Admin\AppData\Local\Temp\is-B00UR.tmp\bnrbpwhgst.tmp

    Filesize

    900KB

    MD5

    f8b110dc2063d3b29502aa7042d26122

    SHA1

    1a0fd3db79eadc1ce714f6267d476ddbec0f5e79

    SHA256

    e8730b0bf8f94cbb8babbfefb32cef8e8d19ec823f28c33a7d48c78589710762

    SHA512

    f3125d3f575aff68105ebb3eadbce30547d34e12237d8ebbc555c6fe12bcc0a5ea85a38e26f2900d70af70ec07efde3b8cd65dc0fdada637496531245ea5052f

  • memory/3108-18-0x0000000000400000-0x00000000004F4000-memory.dmp

    Filesize

    976KB

  • memory/3108-44-0x0000000000400000-0x00000000004F4000-memory.dmp

    Filesize

    976KB

  • memory/3688-0-0x0000000010000000-0x0000000010297000-memory.dmp

    Filesize

    2.6MB

  • memory/4132-10-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/4132-8-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4132-45-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB