Resubmissions

06-07-2022 17:31

220706-v3z2mafddk 10

05-07-2022 20:20

220705-y4s69aeec3 10

Analysis

  • max time kernel
    44s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    05-07-2022 20:20

General

  • Target

    Setup.exe

  • Size

    727.8MB

  • MD5

    0cbdf5f35f95ce64d6e7fb2e4ef95836

  • SHA1

    e19a9ac85198437858b1f6281de3db9b907a816f

  • SHA256

    c6b58e85804228ea3e35cdb3a743737c3963d365afc17af7937aa95975904df2

  • SHA512

    78d68daf50b2c85ac51ed510834b228ed5b8de64cc1393c51a593bd034edb7cd4a46c343e414c3b7902efe1deb1f48bdd5f087deb3aa1a678a804fb9c53c71a1

Malware Config

Signatures

  • suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers

    suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers

  • suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer

    suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer

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

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Themida packer 16 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 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 3 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\35DD1BBBC067213C\planck.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1600
      • C:\Users\Admin\AppData\Roaming\35DD1BBBC067213C\planck.exe
        C:\Users\Admin\AppData\Roaming\35DD1BBBC067213C\planck.exe
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • 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 WriteProcessMemory
        PID:2012
        • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
          "C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"
          4⤵
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Executes dropped EXE
          • Checks BIOS information in registry
          • Checks whether UAC is enabled
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious behavior: EnumeratesProcesses
          PID:1984
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout -t 3 && del "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1752
      • C:\Windows\SysWOW64\timeout.exe
        timeout -t 3
        3⤵
        • Delays execution with timeout.exe
        PID:428
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x52c
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1160

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\35DD1BBBC067213C\planck.exe
    Filesize

    2.7MB

    MD5

    2e1b5bd5993ed556f63c440064f6680e

    SHA1

    09569ebfbdc6c8467230c63c2c2bb49ae3357880

    SHA256

    00bd9c8c6e890b516f64cffae9a7a4602969fc22e8fbd0b412003c239ff3612a

    SHA512

    abf9ce14be0e8bdfe3d2c07c2b94817ec4740e2d29c02a0de4def2a3265f610fc3de1ff289872aea175de0f2ab36213db7a0edba71dad210851a5c9f8ed7c8cc

  • C:\Users\Admin\AppData\Roaming\35DD1BBBC067213C\planck.exe
    Filesize

    2.7MB

    MD5

    2e1b5bd5993ed556f63c440064f6680e

    SHA1

    09569ebfbdc6c8467230c63c2c2bb49ae3357880

    SHA256

    00bd9c8c6e890b516f64cffae9a7a4602969fc22e8fbd0b412003c239ff3612a

    SHA512

    abf9ce14be0e8bdfe3d2c07c2b94817ec4740e2d29c02a0de4def2a3265f610fc3de1ff289872aea175de0f2ab36213db7a0edba71dad210851a5c9f8ed7c8cc

  • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
    Filesize

    2.7MB

    MD5

    2e1b5bd5993ed556f63c440064f6680e

    SHA1

    09569ebfbdc6c8467230c63c2c2bb49ae3357880

    SHA256

    00bd9c8c6e890b516f64cffae9a7a4602969fc22e8fbd0b412003c239ff3612a

    SHA512

    abf9ce14be0e8bdfe3d2c07c2b94817ec4740e2d29c02a0de4def2a3265f610fc3de1ff289872aea175de0f2ab36213db7a0edba71dad210851a5c9f8ed7c8cc

  • \Users\Admin\AppData\Roaming\35DD1BBBC067213C\planck.exe
    Filesize

    2.7MB

    MD5

    2e1b5bd5993ed556f63c440064f6680e

    SHA1

    09569ebfbdc6c8467230c63c2c2bb49ae3357880

    SHA256

    00bd9c8c6e890b516f64cffae9a7a4602969fc22e8fbd0b412003c239ff3612a

    SHA512

    abf9ce14be0e8bdfe3d2c07c2b94817ec4740e2d29c02a0de4def2a3265f610fc3de1ff289872aea175de0f2ab36213db7a0edba71dad210851a5c9f8ed7c8cc

  • \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
    Filesize

    2.7MB

    MD5

    2e1b5bd5993ed556f63c440064f6680e

    SHA1

    09569ebfbdc6c8467230c63c2c2bb49ae3357880

    SHA256

    00bd9c8c6e890b516f64cffae9a7a4602969fc22e8fbd0b412003c239ff3612a

    SHA512

    abf9ce14be0e8bdfe3d2c07c2b94817ec4740e2d29c02a0de4def2a3265f610fc3de1ff289872aea175de0f2ab36213db7a0edba71dad210851a5c9f8ed7c8cc

  • memory/428-70-0x0000000000000000-mapping.dmp
  • memory/1208-71-0x00000000001D0000-0x00000000009AE000-memory.dmp
    Filesize

    7.9MB

  • memory/1208-54-0x0000000076011000-0x0000000076013000-memory.dmp
    Filesize

    8KB

  • memory/1208-55-0x00000000001D0000-0x00000000009AE000-memory.dmp
    Filesize

    7.9MB

  • memory/1600-56-0x0000000000000000-mapping.dmp
  • memory/1600-66-0x0000000001F50000-0x000000000263D000-memory.dmp
    Filesize

    6.9MB

  • memory/1752-69-0x0000000000000000-mapping.dmp
  • memory/1984-79-0x0000000000920000-0x000000000100D000-memory.dmp
    Filesize

    6.9MB

  • memory/1984-80-0x0000000000920000-0x000000000100D000-memory.dmp
    Filesize

    6.9MB

  • memory/1984-82-0x0000000000920000-0x000000000100D000-memory.dmp
    Filesize

    6.9MB

  • memory/1984-78-0x0000000000920000-0x000000000100D000-memory.dmp
    Filesize

    6.9MB

  • memory/1984-85-0x00000000779C0000-0x0000000077B40000-memory.dmp
    Filesize

    1.5MB

  • memory/1984-83-0x00000000779C0000-0x0000000077B40000-memory.dmp
    Filesize

    1.5MB

  • memory/1984-73-0x0000000000000000-mapping.dmp
  • memory/1984-84-0x0000000000920000-0x000000000100D000-memory.dmp
    Filesize

    6.9MB

  • memory/2012-62-0x0000000001020000-0x000000000170D000-memory.dmp
    Filesize

    6.9MB

  • memory/2012-77-0x0000000001020000-0x000000000170D000-memory.dmp
    Filesize

    6.9MB

  • memory/2012-74-0x0000000002B10000-0x00000000031FD000-memory.dmp
    Filesize

    6.9MB

  • memory/2012-68-0x00000000779C0000-0x0000000077B40000-memory.dmp
    Filesize

    1.5MB

  • memory/2012-81-0x00000000779C0000-0x0000000077B40000-memory.dmp
    Filesize

    1.5MB

  • memory/2012-67-0x0000000001020000-0x000000000170D000-memory.dmp
    Filesize

    6.9MB

  • memory/2012-64-0x0000000001020000-0x000000000170D000-memory.dmp
    Filesize

    6.9MB

  • memory/2012-65-0x0000000001020000-0x000000000170D000-memory.dmp
    Filesize

    6.9MB

  • memory/2012-63-0x0000000001020000-0x000000000170D000-memory.dmp
    Filesize

    6.9MB

  • memory/2012-59-0x0000000000000000-mapping.dmp