Overview

overview

10

Static

static

7

cba619ceef...76.exe

windows7_x64

10

cba619ceef...76.exe

windows10_x64

9

Analysis

  • max time kernel
    149s
  • max time network
    181s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    09/08/2021, 18:21

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General

  • Target
    cba619ceefd476c9cc3f35b5263e6276.exe
  • Size 5.3MB
  • Sample210809-dky64bezk6
  • SHA256 69e7a10168bf96ba60f06987affd48857cd9cda1a518509f435b8b43110feacf
  • MD5 SHA1 SHA512
Score
10/10
evasionsuricatathemidatrojanupx

Malware Config

Signatures

  • suricata: ET MALWARE Generic gate[.].php GET with minimal headers

    suricata: ET MALWARE Generic gate[.].php GET with minimal headers

    suricata
  • suricata: ET MALWARE Likely Zbot Generic Request to gate.php Dotted-Quad

    suricata: ET MALWARE Likely Zbot Generic Request to gate.php Dotted-Quad

    suricata
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • Executes dropped EXE 3 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Checks BIOS information in registry 2 TTPs 6 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Themida packer 5 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
    evasiontrojan
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cba619ceefd476c9cc3f35b5263e6276.exe
    "C:\Users\Admin\AppData\Local\Temp\cba619ceefd476c9cc3f35b5263e6276.exe"
    1⤵
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Roaming\ServiceApi\MicrosoftApi.exe
      "C:\Users\Admin\AppData\Roaming\ServiceApi\MicrosoftApi.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of WriteProcessMemory
      PID:1152
      • C:\Windows\system32\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp2424.tmp.cmd""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:864
        • C:\Windows\system32\timeout.exe
          timeout 4
          4⤵
          • Delays execution with timeout.exe
          PID:628
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /f /sc MINUTE /mo 1 /tn "MicrosoftApi" /tr "'C:\Users\Admin\AppData\Roaming\ServiceApi\MicrosoftApi.exe"'
          4⤵
          • Creates scheduled task(s)
          PID:284
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {71064F94-E3F2-43BA-B3FC-EFC739B8993A} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1012
    • C:\Users\Admin\AppData\Roaming\ServiceApi\MicrosoftApi.exe
      C:\Users\Admin\AppData\Roaming\ServiceApi\MicrosoftApi.exe
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1360
      • C:\Users\Admin\AppData\Roaming\ServiceApi\MRBKYMNOAdmine.exe
        "C:\Users\Admin\AppData\Roaming\ServiceApi\MRBKYMNOAdmine.exe" --algo kawpow --server rvn.2miners.com:6060 --user RC1rszoXopQ8E24icWrqSRE8xCdsMXcWzw.Bv2 -w 0
        3⤵
        • Executes dropped EXE
        PID:1596

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1360-82-0x000000001D4D0000-0x000000001D4D2000-memory.dmp
        Download

        memory/1360-77-0x0000000000470000-0x0000000000471000-memory.dmp
        Download

        memory/1360-79-0x000000013F260000-0x000000013F261000-memory.dmp
        Download

        memory/1360-81-0x000007FE80010000-0x000007FE80011000-memory.dmp
        Download

        memory/1644-60-0x000000013F8E0000-0x000000013F8E1000-memory.dmp
        Download

        memory/1644-68-0x00000000000F0000-0x00000000000F1000-memory.dmp
        Download

        memory/1644-62-0x00000000000E0000-0x00000000000E1000-memory.dmp
        Download

        memory/1644-63-0x000007FE80010000-0x000007FE80011000-memory.dmp
        Download