Analysis

  • max time kernel
    152s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    19-01-2022 15:46

General

  • Target

    15854a76db97918e152cabbd6ff921b7e71af57ea35b6a97e664e85214e0e6e3.exe

  • Size

    434KB

  • MD5

    4336e6751deca7528cb55ab0f180227e

  • SHA1

    c8d4c51628616a8402445d0159f5c2bd220a39ec

  • SHA256

    15854a76db97918e152cabbd6ff921b7e71af57ea35b6a97e664e85214e0e6e3

  • SHA512

    8115f838752c6e5578d6c908b9fd1adf6c246b236e90385ec98ffab1579e5738f17999b1b44affb5a10a6ca96a710a68a86ed3e3098539318071896330b397be

Score
10/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15854a76db97918e152cabbd6ff921b7e71af57ea35b6a97e664e85214e0e6e3.exe
    "C:\Users\Admin\AppData\Local\Temp\15854a76db97918e152cabbd6ff921b7e71af57ea35b6a97e664e85214e0e6e3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
      "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
      2⤵
      • Executes dropped EXE
      PID:268

Network

MITRE ATT&CK Matrix ATT&CK v6

Command and Control

Connection Proxy

1
T1090

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\x64btit.txt
    MD5

    9d53a8838a4dc0c5fe160d82f824a0c7

    SHA1

    23f1ad5aefcd54c1dc6574ba6276bf48e8960523

    SHA256

    f705c12ecb5174cbb66a8c5190840a07b31c1803d66d89e506667c8c817ad0ad

    SHA512

    ed9d8a2e6f2f9a22895957b085eafbe5dd3c2371e3f2eb21dfbc638c454a939babab39bccefe55ffa5dd0cd06df8a48ee4f9df79930cf0fb75700116e81d0c3b

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

    b4cd27f2b37665f51eb9fe685ec1d373

    SHA1

    7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0

    SHA256

    91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581

    SHA512

    e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

  • memory/1884-54-0x0000000075AB1000-0x0000000075AB3000-memory.dmp
    Filesize

    8KB

  • memory/1884-58-0x0000000010000000-0x0000000010016000-memory.dmp
    Filesize

    88KB

  • memory/1884-59-0x0000000000190000-0x00000000001AF000-memory.dmp
    Filesize

    124KB