Resubmissions

22-09-2021 14:15

210922-rkjp5sfecr 10

Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    14-04-2024 14:43

General

  • Target

    017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1.exe

  • Size

    527KB

  • MD5

    afca14738e00c61a837d450b38a3f067

  • SHA1

    bc07bcaa858fd87418563b54f1e3197a252c0ee8

  • SHA256

    017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1

  • SHA512

    50f084c2ffd0b6592bea5face7092294003812421009e8241c8045c117aa9ae4e802bd4fb56398df06670ffbad57683c9157fc1b91a28443720b13fbf300772c

  • SSDEEP

    12288:I02PWw9C6hlSZ6g2G0yKHp1VbWabfBnXo:wPWwcOq6g2BVpxbVo

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 use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1.exe
    "C:\Users\Admin\AppData\Local\Temp\017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3104
    • C:\Users\Admin\AppData\Local\Temp\017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1.exe
      "C:\Users\Admin\AppData\Local\Temp\017a7ccf3e5eb12c679dad6b9897c1ea788975d6e5e90e4ddf59df981dd11ec1.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:868
      • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
        3⤵
        • Executes dropped EXE
        PID:4612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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

    165c546d5d7fe530eefe0d7c35e0d19e

    SHA1

    77f08940dbf82456920d7ecd1c23f7bf23a9e1a3

    SHA256

    010db457b1ff730d5ad3f63f272bc264f74bb0b6ef126ec2e1b9b7098eefe540

    SHA512

    34fd8729ca6a42c44f9f74e669162c01d1b3007e4ff973e9cb04e33afe56e6fe846e27f8617d1777ea66de4c2d90edb456cf6055462cc6fa41e3ef105b9f26b7

  • \Users\Admin\AppData\Local\Temp\nsn8E56.tmp\System.dll

    Filesize

    11KB

    MD5

    fccff8cb7a1067e23fd2e2b63971a8e1

    SHA1

    30e2a9e137c1223a78a0f7b0bf96a1c361976d91

    SHA256

    6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

    SHA512

    f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

  • memory/868-22-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-24-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-11-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-12-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-13-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-14-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-15-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-9-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/868-8-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/868-6-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/868-23-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-10-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-25-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/868-26-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-29-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-31-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-33-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-34-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-37-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-40-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-42-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB

  • memory/868-45-0x0000000000570000-0x000000000060F000-memory.dmp

    Filesize

    636KB