Analysis

  • max time kernel
    152s
  • max time network
    210s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 06:35

General

  • Target

    b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe

  • Size

    197KB

  • MD5

    544405553672f0c62488a34437e0010e

  • SHA1

    aa74331a6c7ea48106efeaab131717de78270a13

  • SHA256

    b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504

  • SHA512

    6111f95f9a779dd503a216db21343d4ae269b3b18200469711d244440870e5297fce71cab42074a35bd0b645fe4e75693d819473178046dedbb89b839a35a698

  • SSDEEP

    6144:xnTqhnKZ+gyxOErDR06XVRx2M5bnty0CP5:xGhnKch11nFRnw0q5

Score
8/10

Malware Config

Signatures

  • Registers COM server for autorun 1 TTPs 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Loads dropped DLL
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:2732
    • C:\Users\Admin\AppData\Local\Temp\b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe
      "C:\Users\Admin\AppData\Local\Temp\b8e598fac0bbd28bbd49ebe37a43889e1428e94db6c910a5a53e1bc3e3716504.exe"
      2⤵
      • Registers COM server for autorun
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1568

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-4246620582-653642754-1174164128-1000\$94b51c160cef92dd5e85d337991aa9a5\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • C:\$Recycle.Bin\S-1-5-21-4246620582-653642754-1174164128-1000\$94b51c160cef92dd5e85d337991aa9a5\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • memory/1568-132-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1568-133-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1568-134-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1568-135-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1568-136-0x00000000008A0000-0x00000000008D3000-memory.dmp

    Filesize

    204KB

  • memory/1568-137-0x00000000008A0000-0x00000000008D3000-memory.dmp

    Filesize

    204KB

  • memory/1568-138-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1568-141-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1568-142-0x00000000008A0000-0x00000000008D3000-memory.dmp

    Filesize

    204KB