Analysis

  • max time kernel
    149s
  • max time network
    153s
  • 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 22:04

General

  • Target

    a5dc64240e81bb0b6a636e14d7284b6c.exe

  • Size

    6.1MB

  • MD5

    a5dc64240e81bb0b6a636e14d7284b6c

  • SHA1

    207ad31461e62b3c538975b395547d454a42de00

  • SHA256

    332edf85e857840764535c7b8ed3aeae2af63e5196079d11ba0cdc5e71de190f

  • SHA512

    895ab3be5fb154b7799f17a7a9de87dc5cb5b5c87cc1cebd486d8d3d29ff85b7ee7e46c3a83958f9aff992408506f94b491ff10f624d9196b44eb850cc1106d6

  • SSDEEP

    196608:taUiIXZziBrOjT23BfxcpG7ZjLCW3bsN6d:thiIXZz8rO23BlZ

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 3 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 WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5dc64240e81bb0b6a636e14d7284b6c.exe
    "C:\Users\Admin\AppData\Local\Temp\a5dc64240e81bb0b6a636e14d7284b6c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Users\Admin\AppData\Local\Temp\is-P8OHN.tmp\a5dc64240e81bb0b6a636e14d7284b6c.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-P8OHN.tmp\a5dc64240e81bb0b6a636e14d7284b6c.tmp" /SL5="$B004E,6127490,54272,C:\Users\Admin\AppData\Local\Temp\a5dc64240e81bb0b6a636e14d7284b6c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3012
      • C:\Users\Admin\AppData\Local\SyncPlayer 1.2.8\syncplayer32_64.exe
        "C:\Users\Admin\AppData\Local\SyncPlayer 1.2.8\syncplayer32_64.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\SyncPlayer 1.2.8\syncplayer32_64.exe

    Filesize

    2.4MB

    MD5

    9384029fc1deca43c9f086e2277c10ed

    SHA1

    77c2a19138fc7a42cb50d289a2f5d88a9eacdda9

    SHA256

    da22101a1d824759917d1d8f40b02ad3d4120d474e82f5aacfab7f55730d85f3

    SHA512

    c93d1d4a1ada54e7e7a9f465b098085ee259b3dfc01480c44de69059fb36498475c5964d4934b2ba2a2a99d986f0a011b8ee9533f4f1d0eb4bc39113d1e68aa2

  • C:\Users\Admin\AppData\Local\Temp\is-2G4S3.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-2G4S3.tmp\_isetup\_isdecmp.dll

    Filesize

    32KB

    MD5

    b6f11a0ab7715f570f45900a1fe84732

    SHA1

    77b1201e535445af5ea94c1b03c0a1c34d67a77b

    SHA256

    e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

    SHA512

    78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

  • C:\Users\Admin\AppData\Local\Temp\is-P8OHN.tmp\a5dc64240e81bb0b6a636e14d7284b6c.tmp

    Filesize

    683KB

    MD5

    0d05e478ec0e67b3670c32f7fcd99ac2

    SHA1

    bbef8ae7b0e306e6172e2a0d9d6bacebf7f71886

    SHA256

    abf4a9fad2c3c735450cd35f7ae7255a52c0da48432c41682598536a9a708360

    SHA512

    677790b8807661e5ed9386bfd12a892dd9fef732d3228902a0718d0d64cba25c9c23b7ff67827373a77307dc1b41695ecb9ea64b71ae622f69bed8bb84ff3af7

  • memory/3012-123-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3012-12-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4832-130-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-144-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-120-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-122-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-175-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-172-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-126-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-127-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-168-0x0000000000820000-0x00000000008C2000-memory.dmp

    Filesize

    648KB

  • memory/4832-133-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-136-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-139-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-143-0x0000000000820000-0x00000000008C2000-memory.dmp

    Filesize

    648KB

  • memory/4832-119-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-150-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-153-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-154-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-157-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-160-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-163-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-166-0x0000000000400000-0x000000000067C000-memory.dmp

    Filesize

    2.5MB

  • memory/4832-167-0x0000000000820000-0x00000000008C2000-memory.dmp

    Filesize

    648KB

  • memory/4932-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/4932-124-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/4932-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB