Resubmissions

22-09-2021 14:15

210922-rkjp5sfecr 10

Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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:1804
    • 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:3176
      • C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
        "C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"
        3⤵
        • Executes dropped EXE
        PID:1812
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1316 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3936

    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\nsh3C69.tmp\System.dll

      Filesize

      11KB

      MD5

      fccff8cb7a1067e23fd2e2b63971a8e1

      SHA1

      30e2a9e137c1223a78a0f7b0bf96a1c361976d91

      SHA256

      6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

      SHA512

      f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

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

      Filesize

      28B

      MD5

      235ed756c5323da2090ec4a5246f31ba

      SHA1

      ce96c2d9e7d8d0f4c2d13220c320e718d82985c1

      SHA256

      d1d100a089cfe26d8f0dc06f0bbb91d2207cd1f5cb79659dd17a05a09ecdc66e

      SHA512

      f1ff71deea9dad8a66fafadd76690bbcfc77329ca87fc5f54fe84cb26cc14dceebaadec47762829f71b637523841ec787182997292035bffa737e0969f29b335

    • memory/3176-22-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-24-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/3176-11-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-12-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-13-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-14-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-15-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-9-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/3176-8-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/3176-6-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB

    • memory/3176-23-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-10-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-26-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-28-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-31-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-33-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-35-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-38-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-40-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-41-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB

    • memory/3176-44-0x0000000000580000-0x000000000061F000-memory.dmp

      Filesize

      636KB