Analysis

  • max time kernel
    151s
  • max time network
    115s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    04-05-2021 09:27

General

  • Target

    2f50000.exe

  • Size

    434KB

  • MD5

    e2f99487e970a27006cf282abab1d49a

  • SHA1

    b5d6b3b95f265888ce74e1be495858928214eb00

  • SHA256

    7176b06d8ef959057db3fa2868695ee2d3e810353fb236923840903ddb47019a

  • SHA512

    40e23b344272daba585c707e7e6298450049102052ae516b7b98ca0591274676cdc4e9891d149204595388b0347ed701b42b65c64901683a17c930f925a19351

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\2f50000.exe
    "C:\Users\Admin\AppData\Local\Temp\2f50000.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3692
    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
      2⤵
      • Executes dropped EXE
      PID:1236

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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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

    9c6a19b33f25e14a7424d3ba827e2001

    SHA1

    5d66e6c370d7042a57740a83eada4ac872c6cf6b

    SHA256

    5cdd0a21f86234aa80d93f5f96bc0afd9fae67caf2cab171fb57af6d576c6f3e

    SHA512

    88dd0a99ac87509bf6428b04d46d0ee0c78bbb5b0d055cb736278f969b9dc945fa8f46bcff4d9e61be2023ea33b47d4a5f9e100023ff8c7bd58d19607bb7aa07

  • memory/1236-114-0x0000000000000000-mapping.dmp