Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2023, 03:12

General

  • Target

    ed76e28db12ac8bd2a0f1659b2d9e29a.exe

  • Size

    5.5MB

  • MD5

    ed76e28db12ac8bd2a0f1659b2d9e29a

  • SHA1

    b179d7aafb3bc8a9bf0e59bb5dd989bedd92818c

  • SHA256

    bfc5144d4350c7295d7749470264d1eba81647ecb3ad060fd5d1b829653e04bf

  • SHA512

    950c8000edcdab4ab941151dbf8e1112f92591a6b67be241d7746d5be48579d695952a46beab2c0c458c2c86e85de7cff110d451322fb5ce3139f2e5538a60f1

  • SSDEEP

    98304:vYj/yTZFk1J+TpnFZ5rgtk16tg4S8S4r350hG4Jujy18U/44M8b1Cm2urASeaHun:v4/yTZq1JCdFZ5+kgSU3mhGkdL4u1CmG

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Themida packer 25 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed76e28db12ac8bd2a0f1659b2d9e29a.exe
    "C:\Users\Admin\AppData\Local\Temp\ed76e28db12ac8bd2a0f1659b2d9e29a.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe
      "C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN Utsysc.exe /TR "C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:2124
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {03484A9A-DEB8-44AE-B0A4-5A8182DE8738} S-1-5-21-3618187007-3650799920-3290345941-1000:BPDFUYWR\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:1020
    • C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:1544
    • C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe
      C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe
      2⤵
      • Executes dropped EXE
      PID:2584

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe

          Filesize

          5.5MB

          MD5

          ed76e28db12ac8bd2a0f1659b2d9e29a

          SHA1

          b179d7aafb3bc8a9bf0e59bb5dd989bedd92818c

          SHA256

          bfc5144d4350c7295d7749470264d1eba81647ecb3ad060fd5d1b829653e04bf

          SHA512

          950c8000edcdab4ab941151dbf8e1112f92591a6b67be241d7746d5be48579d695952a46beab2c0c458c2c86e85de7cff110d451322fb5ce3139f2e5538a60f1

        • C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe

          Filesize

          5.5MB

          MD5

          ed76e28db12ac8bd2a0f1659b2d9e29a

          SHA1

          b179d7aafb3bc8a9bf0e59bb5dd989bedd92818c

          SHA256

          bfc5144d4350c7295d7749470264d1eba81647ecb3ad060fd5d1b829653e04bf

          SHA512

          950c8000edcdab4ab941151dbf8e1112f92591a6b67be241d7746d5be48579d695952a46beab2c0c458c2c86e85de7cff110d451322fb5ce3139f2e5538a60f1

        • C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe

          Filesize

          5.5MB

          MD5

          ed76e28db12ac8bd2a0f1659b2d9e29a

          SHA1

          b179d7aafb3bc8a9bf0e59bb5dd989bedd92818c

          SHA256

          bfc5144d4350c7295d7749470264d1eba81647ecb3ad060fd5d1b829653e04bf

          SHA512

          950c8000edcdab4ab941151dbf8e1112f92591a6b67be241d7746d5be48579d695952a46beab2c0c458c2c86e85de7cff110d451322fb5ce3139f2e5538a60f1

        • C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe

          Filesize

          1.7MB

          MD5

          468fd865d5f4f63c16995106440edae0

          SHA1

          865cc8919bb192ea230749ac23ab77f00d4c618d

          SHA256

          a85e0b255ff83a6d13b28e91066f7ea68ac7336184620320e0132f08f068fc26

          SHA512

          ce4d46d358c7f6b26b04929cd84a9f71f74e40965151322319ed5cd228ad9eb613f75d751dd39dfe64f38f9ba3648ef04149f4f5f5808ace67a96a2134f5d2f1

        • C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe

          Filesize

          5.5MB

          MD5

          ed76e28db12ac8bd2a0f1659b2d9e29a

          SHA1

          b179d7aafb3bc8a9bf0e59bb5dd989bedd92818c

          SHA256

          bfc5144d4350c7295d7749470264d1eba81647ecb3ad060fd5d1b829653e04bf

          SHA512

          950c8000edcdab4ab941151dbf8e1112f92591a6b67be241d7746d5be48579d695952a46beab2c0c458c2c86e85de7cff110d451322fb5ce3139f2e5538a60f1

        • C:\Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe

          Filesize

          5.5MB

          MD5

          ed76e28db12ac8bd2a0f1659b2d9e29a

          SHA1

          b179d7aafb3bc8a9bf0e59bb5dd989bedd92818c

          SHA256

          bfc5144d4350c7295d7749470264d1eba81647ecb3ad060fd5d1b829653e04bf

          SHA512

          950c8000edcdab4ab941151dbf8e1112f92591a6b67be241d7746d5be48579d695952a46beab2c0c458c2c86e85de7cff110d451322fb5ce3139f2e5538a60f1

        • \Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe

          Filesize

          5.5MB

          MD5

          ed76e28db12ac8bd2a0f1659b2d9e29a

          SHA1

          b179d7aafb3bc8a9bf0e59bb5dd989bedd92818c

          SHA256

          bfc5144d4350c7295d7749470264d1eba81647ecb3ad060fd5d1b829653e04bf

          SHA512

          950c8000edcdab4ab941151dbf8e1112f92591a6b67be241d7746d5be48579d695952a46beab2c0c458c2c86e85de7cff110d451322fb5ce3139f2e5538a60f1

        • \Users\Admin\AppData\Local\Temp\b64c58644b\Utsysc.exe

          Filesize

          5.5MB

          MD5

          ed76e28db12ac8bd2a0f1659b2d9e29a

          SHA1

          b179d7aafb3bc8a9bf0e59bb5dd989bedd92818c

          SHA256

          bfc5144d4350c7295d7749470264d1eba81647ecb3ad060fd5d1b829653e04bf

          SHA512

          950c8000edcdab4ab941151dbf8e1112f92591a6b67be241d7746d5be48579d695952a46beab2c0c458c2c86e85de7cff110d451322fb5ce3139f2e5538a60f1

        • memory/1020-190-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/1020-181-0x0000000077300000-0x0000000077347000-memory.dmp

          Filesize

          284KB

        • memory/1020-192-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/1020-191-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/1020-196-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/1020-188-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/1020-187-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/1020-185-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/1020-183-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/1020-194-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/1020-182-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/1020-147-0x0000000000860000-0x00000000016F7000-memory.dmp

          Filesize

          14.6MB

        • memory/1020-142-0x0000000000860000-0x00000000016F7000-memory.dmp

          Filesize

          14.6MB

        • memory/1020-197-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/1020-199-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/1020-202-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/1020-203-0x0000000000860000-0x00000000016F7000-memory.dmp

          Filesize

          14.6MB

        • memory/1020-204-0x0000000077300000-0x0000000077347000-memory.dmp

          Filesize

          284KB

        • memory/2380-46-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2380-32-0x00000000013B0000-0x0000000002247000-memory.dmp

          Filesize

          14.6MB

        • memory/2380-49-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2380-50-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2380-51-0x0000000077810000-0x0000000077812000-memory.dmp

          Filesize

          8KB

        • memory/2380-52-0x00000000013B0000-0x0000000002247000-memory.dmp

          Filesize

          14.6MB

        • memory/2380-53-0x00000000013B0000-0x0000000002247000-memory.dmp

          Filesize

          14.6MB

        • memory/2380-54-0x00000000013B0000-0x0000000002247000-memory.dmp

          Filesize

          14.6MB

        • memory/2380-55-0x00000000013B0000-0x0000000002247000-memory.dmp

          Filesize

          14.6MB

        • memory/2380-56-0x00000000013B0000-0x0000000002247000-memory.dmp

          Filesize

          14.6MB

        • memory/2380-57-0x00000000013B0000-0x0000000002247000-memory.dmp

          Filesize

          14.6MB

        • memory/2380-58-0x00000000013B0000-0x0000000002247000-memory.dmp

          Filesize

          14.6MB

        • memory/2380-47-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2380-0-0x00000000013B0000-0x0000000002247000-memory.dmp

          Filesize

          14.6MB

        • memory/2380-45-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2380-44-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2380-71-0x0000000004D50000-0x0000000005BE7000-memory.dmp

          Filesize

          14.6MB

        • memory/2380-72-0x0000000004D50000-0x0000000005BE7000-memory.dmp

          Filesize

          14.6MB

        • memory/2380-69-0x00000000013B0000-0x0000000002247000-memory.dmp

          Filesize

          14.6MB

        • memory/2380-74-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2380-75-0x0000000077300000-0x0000000077347000-memory.dmp

          Filesize

          284KB

        • memory/2380-1-0x00000000000E0000-0x00000000000E1000-memory.dmp

          Filesize

          4KB

        • memory/2380-4-0x00000000000E0000-0x00000000000E1000-memory.dmp

          Filesize

          4KB

        • memory/2380-3-0x00000000013B0000-0x0000000002247000-memory.dmp

          Filesize

          14.6MB

        • memory/2380-6-0x00000000000E0000-0x00000000000E1000-memory.dmp

          Filesize

          4KB

        • memory/2380-7-0x00000000000F0000-0x00000000000F1000-memory.dmp

          Filesize

          4KB

        • memory/2380-9-0x00000000000F0000-0x00000000000F1000-memory.dmp

          Filesize

          4KB

        • memory/2380-11-0x00000000000F0000-0x00000000000F1000-memory.dmp

          Filesize

          4KB

        • memory/2380-14-0x0000000000100000-0x0000000000101000-memory.dmp

          Filesize

          4KB

        • memory/2380-16-0x0000000000100000-0x0000000000101000-memory.dmp

          Filesize

          4KB

        • memory/2380-19-0x0000000000160000-0x0000000000161000-memory.dmp

          Filesize

          4KB

        • memory/2380-21-0x0000000000160000-0x0000000000161000-memory.dmp

          Filesize

          4KB

        • memory/2380-24-0x0000000000170000-0x0000000000171000-memory.dmp

          Filesize

          4KB

        • memory/2380-26-0x0000000000170000-0x0000000000171000-memory.dmp

          Filesize

          4KB

        • memory/2380-29-0x0000000000180000-0x0000000000181000-memory.dmp

          Filesize

          4KB

        • memory/2380-31-0x0000000000180000-0x0000000000181000-memory.dmp

          Filesize

          4KB

        • memory/2380-48-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2380-38-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2380-39-0x0000000077300000-0x0000000077347000-memory.dmp

          Filesize

          284KB

        • memory/2380-40-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2380-41-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2380-42-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2380-43-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-116-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-115-0x0000000077300000-0x0000000077347000-memory.dmp

          Filesize

          284KB

        • memory/2640-130-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-128-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-131-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-126-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-125-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-124-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-123-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-180-0x0000000000860000-0x00000000016F7000-memory.dmp

          Filesize

          14.6MB

        • memory/2640-122-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-121-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-120-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-118-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-119-0x0000000077300000-0x0000000077347000-memory.dmp

          Filesize

          284KB

        • memory/2640-117-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-129-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-114-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-127-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-95-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2640-92-0x00000000000D0000-0x00000000000D1000-memory.dmp

          Filesize

          4KB

        • memory/2640-87-0x00000000000C0000-0x00000000000C1000-memory.dmp

          Filesize

          4KB

        • memory/2640-90-0x00000000000D0000-0x00000000000D1000-memory.dmp

          Filesize

          4KB

        • memory/2640-85-0x00000000000C0000-0x00000000000C1000-memory.dmp

          Filesize

          4KB

        • memory/2640-79-0x00000000000B0000-0x00000000000B1000-memory.dmp

          Filesize

          4KB

        • memory/2640-82-0x00000000000B0000-0x00000000000B1000-memory.dmp

          Filesize

          4KB

        • memory/2640-205-0x0000000077300000-0x0000000077347000-memory.dmp

          Filesize

          284KB

        • memory/2640-206-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-208-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-209-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-210-0x00000000758E0000-0x00000000759F0000-memory.dmp

          Filesize

          1.1MB

        • memory/2640-80-0x0000000000860000-0x00000000016F7000-memory.dmp

          Filesize

          14.6MB

        • memory/2640-76-0x0000000000860000-0x00000000016F7000-memory.dmp

          Filesize

          14.6MB