Analysis

  • max time kernel
    142s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-11-2024 18:36

General

  • Target

    9c738db5498eefb6136243cf87ad3ec36f6f040f4f603def4c0952ced91f6e04.exe

  • Size

    5.4MB

  • MD5

    ba34dbfa33e82045730d1ee444564f50

  • SHA1

    973202aadebeb3ee250820582d762916394a64f4

  • SHA256

    9c738db5498eefb6136243cf87ad3ec36f6f040f4f603def4c0952ced91f6e04

  • SHA512

    b2a4ce20c0fb20bad632c2fe4c32d0cd12ac33549755863715d68cc76608d212c1c77915bba18438352427851a37aaeb4a16d6c78d28745227402b9f01b58f72

  • SSDEEP

    98304:CpDrP+i4om4Xhs4Hujl3AXD58zgDyEtJr62S55pAe3h5z+ity3b8dvqHbiPuXwEF:yr2bomus4c38+Idq2S55Gmh5Ki03bQIR

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Socks5systemz family
  • 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.

  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c738db5498eefb6136243cf87ad3ec36f6f040f4f603def4c0952ced91f6e04.exe
    "C:\Users\Admin\AppData\Local\Temp\9c738db5498eefb6136243cf87ad3ec36f6f040f4f603def4c0952ced91f6e04.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3748
    • C:\Users\Admin\AppData\Local\Temp\is-H92MR.tmp\9c738db5498eefb6136243cf87ad3ec36f6f040f4f603def4c0952ced91f6e04.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-H92MR.tmp\9c738db5498eefb6136243cf87ad3ec36f6f040f4f603def4c0952ced91f6e04.tmp" /SL5="$50090,5427044,54272,C:\Users\Admin\AppData\Local\Temp\9c738db5498eefb6136243cf87ad3ec36f6f040f4f603def4c0952ced91f6e04.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2244
      • C:\Users\Admin\AppData\Local\GScreen Recorder\ScreenRecorder.exe
        "C:\Users\Admin\AppData\Local\GScreen Recorder\ScreenRecorder.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\GScreen Recorder\ScreenRecorder.exe

    Filesize

    2.9MB

    MD5

    bbd8525f0f1202a17cfec7cf16b41a8d

    SHA1

    9151b1bf543959e8f1f8ad12845c0c7bb6f6df8e

    SHA256

    2c8a6018a7a22124d37ff052edb6ba6a095e5add02c8c5c205ad994aa3a59740

    SHA512

    10b8a964f4cbbeeb313b256e5583bf33ae33ef110e7447b5fdaae01dd7a87f1394f699cd4639c28b9214cb861168e1aa22cfe31b54df5d902a95fb30809513b9

  • C:\Users\Admin\AppData\Local\Temp\is-CAB5K.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-H92MR.tmp\9c738db5498eefb6136243cf87ad3ec36f6f040f4f603def4c0952ced91f6e04.tmp

    Filesize

    680KB

    MD5

    c110c617f688366848b3c7413a4dd867

    SHA1

    64e8595b7f6a0f98b18c15a4c5e3318e3531a419

    SHA256

    f80770223960a04bed1028a31c7946d754865d1f67eb8dc31e0e3e3e985a49ca

    SHA512

    ff6986e771856ecc04709c4f0b9df1c65041dda1c2b338c5e7f963f144ec1fcb9e0ef64549c737ed7ed3b4d73b5d6c2a227d0b5a8f0c16ba7af63d08f9f59557

  • memory/1528-183-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-205-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-226-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-168-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-169-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-172-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-223-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-219-0x0000000000920000-0x00000000009C2000-memory.dmp

    Filesize

    648KB

  • memory/1528-177-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-176-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-180-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-218-0x0000000000920000-0x00000000009C2000-memory.dmp

    Filesize

    648KB

  • memory/1528-186-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-189-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-193-0x0000000000920000-0x00000000009C2000-memory.dmp

    Filesize

    648KB

  • memory/1528-194-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-200-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-201-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-204-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-217-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-208-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-211-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/1528-214-0x0000000000400000-0x00000000006EB000-memory.dmp

    Filesize

    2.9MB

  • memory/2244-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2244-173-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3748-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3748-174-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3748-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB