Analysis

  • max time kernel
    151s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    17-12-2021 15:13

General

  • Target

    d067f8ef819c25807e5478134c851bcf.exe

  • Size

    609KB

  • MD5

    d067f8ef819c25807e5478134c851bcf

  • SHA1

    216d152d2a403abba3da5883b0ca0a4779b1fb0c

  • SHA256

    78b865f64fe5efe0edb30e932584693c69c5e5b51e4877d3db7aeb19f85d0665

  • SHA512

    51e625e92efd7cea58e27b6a95154323ff8859edb71b1ad8cb65f24ec3233a973b7bfcf32d330f1e42ab97a9fe8ff85ecb768adeee207e534625d1457e12120c

Score
10/10

Malware Config

Signatures

  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\d067f8ef819c25807e5478134c851bcf.exe
    "C:\Users\Admin\AppData\Local\Temp\d067f8ef819c25807e5478134c851bcf.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3856
    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
      2⤵
      • Executes dropped EXE
      PID:2336

Network

MITRE ATT&CK Matrix ATT&CK v6

Command and Control

Connection Proxy

1
T1090

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
    MD5

    b4cd27f2b37665f51eb9fe685ec1d373

    SHA1

    7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

    SHA256

    91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

    SHA512

    e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

  • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
    MD5

    b4cd27f2b37665f51eb9fe685ec1d373

    SHA1

    7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

    SHA256

    91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

    SHA512

    e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

  • C:\Users\Admin\AppData\Local\Temp\x64btit.txt
    MD5

    297604018c30e7f1e09155388ded4c3e

    SHA1

    b69af0757b59e3eecb333c6840e2289608c0e836

    SHA256

    4808d7fe2992fdc419a758fa271bac3d2c33891dab9121c34ef5cb4ceda0382f

    SHA512

    f7f22d620c6d4f8560805f947de345b5991d346dd8f68f96bfa6de3c882fdb2d971e03e3d7f93658534a6deb65ebb765047f379d462ec659df2647e0b6771832

  • memory/2336-119-0x0000000000000000-mapping.dmp
  • memory/3856-115-0x0000000005447000-0x00000000054AF000-memory.dmp
    Filesize

    416KB

  • memory/3856-116-0x0000000005280000-0x00000000053CA000-memory.dmp
    Filesize

    1.3MB

  • memory/3856-117-0x0000000000400000-0x00000000051C1000-memory.dmp
    Filesize

    77.8MB

  • memory/3856-118-0x0000000005730000-0x00000000057F6000-memory.dmp
    Filesize

    792KB