Resubmissions

25-11-2022 11:39

221125-nslmxseb32 8

Analysis

  • max time kernel
    108s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 11:39

General

  • Target

    eOWDJmB3Qt.exe

  • Size

    3.4MB

  • MD5

    a198d2e7ddac7c3d381da9b2e5446142

  • SHA1

    61aff012de5ac9eb5247f182320b1df434a22c93

  • SHA256

    f432910b309b296e4cf2e662092657060f0e24222ccf1239a67c69b9db8daf68

  • SHA512

    6e661c2c46ea0f57dc0dafe0e01bc32258d740d9938bec27b7558ae020ff51cdfd41351df52b06da86f25dc59c318fa37660b7da51ad34dd69b0f8bcbcb6b44a

  • SSDEEP

    98304:ZBvIB2CVEqzsJGwUv6Fvx6KW2wBBJIdnjjgI8D:ZekJGwUi1WMjjW

Malware Config

Signatures

  • Sets service image path in registry 2 TTPs 1 IoCs
  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 38 IoCs
  • Suspicious use of SendNotifyMessage 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eOWDJmB3Qt.exe
    "C:\Users\Admin\AppData\Local\Temp\eOWDJmB3Qt.exe"
    1⤵
    • Sets service image path in registry
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    PID:2128
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2100
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4948

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    2
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\VEaqWtfGPBuyfAMrSwU
      MD5

      d41d8cd98f00b204e9800998ecf8427e

      SHA1

      da39a3ee5e6b4b0d3255bfef95601890afd80709

      SHA256

      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

      SHA512

      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

    • memory/2128-132-0x0000000000400000-0x0000000000B45000-memory.dmp
      Filesize

      7.3MB

    • memory/2128-136-0x0000000000400000-0x0000000000B45000-memory.dmp
      Filesize

      7.3MB

    • memory/2128-137-0x0000000000400000-0x0000000000B45000-memory.dmp
      Filesize

      7.3MB