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Analysis

  • max time kernel
    141s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/09/2024, 08:30

General

  • Target

    f1286c9d4a1fc6413e5d1a9d3d0043be8c022f5b695be92af2d10dccb4375df0.exe

  • Size

    3.4MB

  • MD5

    baedd7908c04418acc31854226393484

  • SHA1

    6991cb75f6ec57013df271b0e212b2c7be7fd4ae

  • SHA256

    f1286c9d4a1fc6413e5d1a9d3d0043be8c022f5b695be92af2d10dccb4375df0

  • SHA512

    11cd3acb55d412e1400172f619dc87272e9c5c3fd9102312edf9bf1d53e67150f520cde8a6f1f58b42091b82e2b226d98e8ac3415bdbe37a1ec8a49d94a66e94

  • SSDEEP

    49152:T9tklXMj3d0oXG76VGiqRO2IuQ8VXFysr+sd+fJvL+F+saDUN5i7p9/ybYitG8N+:JmY6M264TvIXEVyBscfxJsaDpLKUA2

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1286c9d4a1fc6413e5d1a9d3d0043be8c022f5b695be92af2d10dccb4375df0.exe
    "C:\Users\Admin\AppData\Local\Temp\f1286c9d4a1fc6413e5d1a9d3d0043be8c022f5b695be92af2d10dccb4375df0.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1220
    • C:\Users\Admin\AppData\Local\Temp\is-TVC6G.tmp\f1286c9d4a1fc6413e5d1a9d3d0043be8c022f5b695be92af2d10dccb4375df0.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-TVC6G.tmp\f1286c9d4a1fc6413e5d1a9d3d0043be8c022f5b695be92af2d10dccb4375df0.tmp" /SL5="$A0060,3314410,338432,C:\Users\Admin\AppData\Local\Temp\f1286c9d4a1fc6413e5d1a9d3d0043be8c022f5b695be92af2d10dccb4375df0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4676
      • C:\Users\Admin\AppData\Local\Hotcut\hotcut.exe
        "C:\Users\Admin\AppData\Local\Hotcut\hotcut.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Hotcut\hotcut.exe

    Filesize

    2.4MB

    MD5

    038555f9fc171d5bd94b1f64e8426fd8

    SHA1

    2de0ebe6536a4cc8b3ac746ab590b9d6b33e338b

    SHA256

    3ab4ab3820fb0bbd7a827f0e7a925615ab95d17b09157f4b301825380db3616b

    SHA512

    698940aff1eb53cdf1b188cd7e2d52d23db0caa2253bd5b50c0bc091702d9543b46fe1d7b46d6596384cdfd7d6d86a39ea245b9a4238d529b17bde50a806ee26

  • C:\Users\Admin\AppData\Local\Temp\is-AQGPO.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-TVC6G.tmp\f1286c9d4a1fc6413e5d1a9d3d0043be8c022f5b695be92af2d10dccb4375df0.tmp

    Filesize

    690KB

    MD5

    5a0b5a7b39fc53c35b3d99f13fcbcc29

    SHA1

    2fa238f97771b49e53bea1482b9a0d0666c4b29c

    SHA256

    70081185f6c03c4a7c383c7299ab4b8f272e223d8729cc41b7e2081149e38a4f

    SHA512

    ceb22dd8115ceb7a15dc35557cf36784ac921dd56ad3e723c3ab553cb85de8c7797884055249a93ce0b0004467c307e5a67c9aaa45bb80c2c548c1f9df4fdfea

  • memory/1220-40-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/1220-1-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/1220-2-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/2180-47-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-56-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-38-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-88-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-34-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-41-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-43-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-44-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-85-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-50-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-53-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-35-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-59-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-60-0x0000000000960000-0x0000000000A02000-memory.dmp

    Filesize

    648KB

  • memory/2180-66-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-69-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-72-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-75-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-78-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/2180-81-0x0000000000400000-0x0000000000665000-memory.dmp

    Filesize

    2.4MB

  • memory/4676-7-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/4676-39-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB