Overview

overview

9

Static

static

7

d300285f78...e9.exe

windows7_x64

9

d300285f78...e9.exe

windows10-2004_x64

9

Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-02-2022 05:50

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General

  • Target

    d300285f78b79a708e1f15b6341d4131d3cc13fb26e27015fdb741bda7371ee9.exe

  • Size

    2.7MB

  • MD5

    56c1adc0374d7a9b4c490de2ac89f1a8

  • SHA1

    d42e0f06b86f040ff945e4d94991101455299dd0

  • SHA256

    d300285f78b79a708e1f15b6341d4131d3cc13fb26e27015fdb741bda7371ee9

  • SHA512

    bee35ec98847c635a856d34bdfe4e7cf9c46af83de1e08710ef32136c81f5e6449a93241bc331dba6e8509c4665577f79d2768dbf4d272379800e0b9cf912311

Score
9/10
evasionthemidatrojan

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • Blocklisted process makes network request 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d300285f78b79a708e1f15b6341d4131d3cc13fb26e27015fdb741bda7371ee9.exe
    "C:\Users\Admin\AppData\Local\Temp\d300285f78b79a708e1f15b6341d4131d3cc13fb26e27015fdb741bda7371ee9.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\bximbdh.vbs"
      2⤵
        PID:4776
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\gtebrwao.vbs"
        2⤵
        • Blocklisted process makes network request
        PID:4616
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2568
    • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
      C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:1500

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Virtualization/Sandbox Evasion

    1
    T1497

    Credential Access

    Discovery

    Query Registry

    4
    T1012

    Virtualization/Sandbox Evasion

    1
    T1497

    System Information Discovery

    5
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Web Service

    1
    T1102

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\bximbdh.vbs
      MD5

      b1dd1dc420ca60a2fd66a673a8b04528

      SHA1

      dbf52759f7152ded7027b9cdd7cdd46f62b87dcc

      SHA256

      e44140c4b7c1aa560f0d4ef101077b8ca1d746579fa6ccf3d45bb7dfbafb87a1

      SHA512

      ea316c20dc92a2f233beee77ad478724ae5fa35afb8c82f4b42b92ff1ab318b020bb6e69e88036c71de986004ff239e2b5370257272cb1fb875854f3352a621c

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\gtebrwao.vbs
      MD5

      605747ab41f9fb4c6a0fe83f73dde411

      SHA1

      99676f4b559d090b5df9dec590d81144679168ae

      SHA256

      f44a36de404f19215a4885e4b62deb91288b119c2159354326a3bbbae68561c7

      SHA512

      9c31bc46eeee0797df6775a52218a5bedd95d1219774ec794cb3320c613c51fa0a3181624516e22404c5bfb9a417abd3fb81cebe0b0a7a55e8b912f2472724cf

      Download Submit
    • memory/1528-130-0x0000000000C70000-0x0000000001348000-memory.dmp
      Filesize

      6.8MB

      Download
    • memory/1528-131-0x0000000000C70000-0x0000000001348000-memory.dmp
      Filesize

      6.8MB

      Download
    • memory/1528-132-0x0000000000C70000-0x0000000001348000-memory.dmp
      Filesize

      6.8MB

      Download
    • memory/1528-133-0x00000000779F4000-0x00000000779F6000-memory.dmp
      Filesize

      8KB

      Download
    • memory/2568-135-0x000001E916730000-0x000001E916740000-memory.dmp
      Filesize

      64KB

      Download
    • memory/2568-136-0x000001E916790000-0x000001E9167A0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/2568-137-0x000001E919470000-0x000001E919474000-memory.dmp
      Filesize

      16KB

      Download