Analysis

  • max time kernel
    141s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-11-2024 18:12

General

  • Target

    53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.exe

  • Size

    5.4MB

  • MD5

    04f5c51e738f3524890736dffa0fdc1c

  • SHA1

    b14a10c80f580afe0aef1e696bc3c7c180a1a120

  • SHA256

    53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab

  • SHA512

    c373ce84cdddd6187cebe12eea20ff3e234e3fbdb96a74311af49a1b14bf65dc206b43e7c15b48fc48ffd47a28ae633c1f7d0168355b84bfef11538dc36d0b9f

  • SSDEEP

    98304:NYLiim5RLEQHQjW0kpk/09JRqwS1xLPE7XVMMtn3TAV4O5B9dQ7:OL4RYyQjWqQ4wS1xIFTjAmO5vS7

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.

  • 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\53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.exe
    "C:\Users\Admin\AppData\Local\Temp\53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Users\Admin\AppData\Local\Temp\is-UMTT2.tmp\53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-UMTT2.tmp\53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp" /SL5="$B01E0,5444081,54272,C:\Users\Admin\AppData\Local\Temp\53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.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:3992
      • C:\Users\Admin\AppData\Local\SyncPlayer 3.8.5\syncplayer32_64.exe
        "C:\Users\Admin\AppData\Local\SyncPlayer 3.8.5\syncplayer32_64.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\SyncPlayer 3.8.5\syncplayer32_64.exe

    Filesize

    2.9MB

    MD5

    af757f7b8c607041db810c46ff942f27

    SHA1

    11acdf9d1ed7af81b0a278665bd4db2866feac7e

    SHA256

    32b7196bb852c8007824b8160e7dcec1ac099183ee557758be4412c99fd7c07b

    SHA512

    23b5432dd37df2b71b10d57c0ed04f41b471d99a7c0e8431190b439fe2dad360799ad4ed45cdae1470323fbb59fc2db6bbb27de4abe924f4edcb20ddf08d05b6

  • C:\Users\Admin\AppData\Local\Temp\is-QFQ41.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-UMTT2.tmp\53b78223744527209a317d0c35e57f8dc1e98458b401f8c5f9f1ebac049cdcab.tmp

    Filesize

    692KB

    MD5

    c8e71efed5211bdfa33d7600f89533ec

    SHA1

    94e18adbbc50d1877f5781d293ab6fd91418efb1

    SHA256

    ee1e942dc9a04925260a1346972b1e56f5d9687b8df525330a8e12846b093114

    SHA512

    a0faa4ed7173c54880b109d4480ce71dd13baa19d352acb5ec5d436a169bfdb73bbe8604bd8e85bc1a194c3c81cb4603ee1d5c9e4a9ac1243b5e270596096cab

  • memory/216-177-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-202-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-220-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-162-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-163-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-166-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-217-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-212-0x0000000000A50000-0x0000000000AF2000-memory.dmp

    Filesize

    648KB

  • memory/216-170-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-171-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-174-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-213-0x0000000000A50000-0x0000000000AF2000-memory.dmp

    Filesize

    648KB

  • memory/216-180-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-183-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-187-0x0000000000A50000-0x0000000000AF2000-memory.dmp

    Filesize

    648KB

  • memory/216-188-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-195-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-198-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-199-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-211-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-205-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/216-208-0x0000000000400000-0x00000000006EF000-memory.dmp

    Filesize

    2.9MB

  • memory/2492-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2492-168-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2492-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3992-10-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/3992-167-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB