Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-11-2024 08:43

General

  • Target

    Payload94.754.225.exe

  • Size

    609KB

  • MD5

    987a79c800f109491dcbfbc589f940f2

  • SHA1

    d0a7eedc6b908ffc728f287036696fd0688436f7

  • SHA256

    07457423012b530efe135d313c7c3d509c0ec8f13dacd5751ddfce7c311182c7

  • SHA512

    959c7e45f4ae3ab901f7aad2ed3d5d74861aa9d812df0bf1bd499afd759a2811b98dbba43e143c3a90f8fa7c4b7d8592e1aa60402de8cc62da409c30aad118ac

  • SSDEEP

    12288:KZ543M5v7Kc3ygT2lXVCllX8peI7cQitqUmyq+1pmhM:SUiL3yjXUlu0I7vitqUmyq+1paM

Malware Config

Signatures

  • Osiris family
  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Uses Tor communications 1 TTPs

    Malware can proxy its traffic through Tor for more anonymity.

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

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

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payload94.754.225.exe
    "C:\Users\Admin\AppData\Local\Temp\Payload94.754.225.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3948
    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
      2⤵
      • Executes dropped EXE
      PID:1300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe

    Filesize

    3KB

    MD5

    b4cd27f2b37665f51eb9fe685ec1d373

    SHA1

    7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

    SHA256

    91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

    SHA512

    e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

  • C:\Users\Admin\AppData\Local\Temp\x64btit.txt

    Filesize

    28B

    MD5

    5f2d059ff3e82973035f7b1504a538f9

    SHA1

    13b33ec820908685b98b2378fb35f6218875967e

    SHA256

    293c3e830500832aa2fb17a9a15eb881b6e8d625604c6051b1f912f3749bb241

    SHA512

    9f4725142ee25bfbb349025862a4d811919d22c9d7aac8de60d9ce7efe6d940669df2a54f3257a6180d967b62e665d186eb4e22dfbe6cdf887e39b589cc24b92

  • memory/3948-8-0x00000000057F0000-0x00000000058B6000-memory.dmp

    Filesize

    792KB

  • memory/3948-16-0x00000000057F0000-0x00000000058B6000-memory.dmp

    Filesize

    792KB

  • memory/3948-5-0x00000000057F0000-0x00000000058B6000-memory.dmp

    Filesize

    792KB

  • memory/3948-1-0x0000000000400000-0x00000000051C1000-memory.dmp

    Filesize

    77.8MB

  • memory/3948-3-0x0000000000400000-0x0000000000469000-memory.dmp

    Filesize

    420KB

  • memory/3948-7-0x00000000057F0000-0x00000000058B6000-memory.dmp

    Filesize

    792KB

  • memory/3948-4-0x00000000057F0000-0x00000000058B6000-memory.dmp

    Filesize

    792KB

  • memory/3948-14-0x0000000000400000-0x00000000051C1000-memory.dmp

    Filesize

    77.8MB

  • memory/3948-2-0x0000000005640000-0x00000000056A7000-memory.dmp

    Filesize

    412KB

  • memory/3948-6-0x00000000057F0000-0x00000000058B6000-memory.dmp

    Filesize

    792KB

  • memory/3948-17-0x00000000057F0000-0x00000000058B6000-memory.dmp

    Filesize

    792KB

  • memory/3948-18-0x00000000057F0000-0x00000000058B6000-memory.dmp

    Filesize

    792KB

  • memory/3948-20-0x00000000057F0000-0x00000000058B6000-memory.dmp

    Filesize

    792KB

  • memory/3948-23-0x00000000057F0000-0x00000000058B6000-memory.dmp

    Filesize

    792KB

  • memory/3948-27-0x00000000057F0000-0x00000000058B6000-memory.dmp

    Filesize

    792KB

  • memory/3948-30-0x00000000057F0000-0x00000000058B6000-memory.dmp

    Filesize

    792KB

  • memory/3948-32-0x00000000057F0000-0x00000000058B6000-memory.dmp

    Filesize

    792KB

  • memory/3948-38-0x00000000057F0000-0x00000000058B6000-memory.dmp

    Filesize

    792KB

  • memory/3948-40-0x00000000057F0000-0x00000000058B6000-memory.dmp

    Filesize

    792KB