Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/08/2024, 03:18

General

  • Target

    3ed9ea16684c6a6036d2990e00e9335e70877a130d9f9a3ec5d5c794f0df8cf7.exe

  • Size

    4.1MB

  • MD5

    914f9e4b8921be693d4bc8ecb6bcec94

  • SHA1

    09d9ed4d8ecf10efd10a4074a0ab0e984c9f620d

  • SHA256

    3ed9ea16684c6a6036d2990e00e9335e70877a130d9f9a3ec5d5c794f0df8cf7

  • SHA512

    a34067548f9d1691034d500e6649a118ea48d929bc32a8df86a600d5170e78e81aac0042dab3e041be823d01f70545a79527a0406ade2619f7a8062f075fad9c

  • SSDEEP

    98304:NOxR7lQPl3rynX+wohV5rPGLgln33fHwjAo1hgITsAd3:4xZlQPtry2hnrPGch3/wjAovWA9

Malware Config

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 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 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 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ed9ea16684c6a6036d2990e00e9335e70877a130d9f9a3ec5d5c794f0df8cf7.exe
    "C:\Users\Admin\AppData\Local\Temp\3ed9ea16684c6a6036d2990e00e9335e70877a130d9f9a3ec5d5c794f0df8cf7.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Users\Admin\AppData\Local\Temp\is-RGNEI.tmp\3ed9ea16684c6a6036d2990e00e9335e70877a130d9f9a3ec5d5c794f0df8cf7.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-RGNEI.tmp\3ed9ea16684c6a6036d2990e00e9335e70877a130d9f9a3ec5d5c794f0df8cf7.tmp" /SL5="$60196,4012759,54272,C:\Users\Admin\AppData\Local\Temp\3ed9ea16684c6a6036d2990e00e9335e70877a130d9f9a3ec5d5c794f0df8cf7.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:1696
      • C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
        "C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3064
      • C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe
        "C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4716

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Jeengle\jeengle32_64.exe

          Filesize

          4.6MB

          MD5

          fa7ff531c5ec38a19567a14cc5903b11

          SHA1

          0eb862974b4381b8c0e95991f6820d52e10a8462

          SHA256

          226bb154d1f12d704d982ac4dc782a2a6d82c2886f3cb4551448c1004d17e36d

          SHA512

          e3f9f1634c18cb19018b1dcef6ccc528e6e76f5e5187110678f501ac3fb38a5c69f165a4cd67a64eff013a994cf839d23e74051430fd3f6022da6bf70e32c097

        • C:\Users\Admin\AppData\Local\Temp\is-7BNPI.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-RGNEI.tmp\3ed9ea16684c6a6036d2990e00e9335e70877a130d9f9a3ec5d5c794f0df8cf7.tmp

          Filesize

          692KB

          MD5

          96e2c8db3dd8e1f3632aab3b400e4b9a

          SHA1

          4272048cddf5a17cee879c2c421f61e33baeff69

          SHA256

          624f7af3f2c4baa83666b9d02935116368c7660d5ee7059704f1d7279cde4cf2

          SHA512

          1d1642d10d31bf54e78fa6b3bba5e31b4fe745f1834d61dcf5ffd1d99934c1d7ba3ecc4832d0c3519380f5ded71632bf084ad4cfb3f74785e54d434508a8e984

        • memory/1696-62-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/1696-12-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/3064-52-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/3064-53-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/3064-55-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/3064-57-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/3540-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/3540-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/3540-61-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/4716-66-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/4716-88-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/4716-60-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/4716-69-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/4716-72-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/4716-75-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/4716-78-0x0000000000C00000-0x0000000000CA2000-memory.dmp

          Filesize

          648KB

        • memory/4716-80-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/4716-85-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/4716-63-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/4716-91-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/4716-94-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/4716-97-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/4716-100-0x0000000000C00000-0x0000000000CA2000-memory.dmp

          Filesize

          648KB

        • memory/4716-101-0x0000000000C00000-0x0000000000CA2000-memory.dmp

          Filesize

          648KB

        • memory/4716-102-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/4716-106-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB

        • memory/4716-109-0x0000000000400000-0x00000000008A0000-memory.dmp

          Filesize

          4.6MB