Resubmissions

25-12-2022 14:22

221225-rppf7abf39 10

25-12-2022 14:22

221225-rpkg8seg4s 10

25-12-2022 14:21

221225-rpexraeg31 10

25-12-2022 14:21

221225-rn92haeg3z 10

25-12-2022 14:13

221225-rjx65seg3w 10

Analysis

  • max time kernel
    142s
  • max time network
    114s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2022 14:13

General

  • Target

    2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe

  • Size

    9.1MB

  • MD5

    58ec0acfe4edcc15917b97ef91596f07

  • SHA1

    60e610685d9a549926e7a9b0cb6bcc6509708d3c

  • SHA256

    2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02

  • SHA512

    5769c348149efc107d94bd02e6bbb16440c7974533b843cc42fb7c23fb3e2209754ab69ca9f04a0ba4c56c83e5c30983568a1b1d5f9861c1328befdf09e78736

  • SSDEEP

    196608:K2ejh9Qo2P3Cgnpmtw69DvGSfkDpVpyPc9izcM/WaQCf:Kd4CHx3IyP4izp+Uf

Malware Config

Extracted

Family

allcome

C2

http://dba692117be7b6d3480fe5220fdd58b38bf.xyz/API/2/configure.php?cf6zrlhn=finarnw

Signatures

  • Allcome

    A clipbanker that supports stealing different cryptocurrency wallets and payment forms.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Themida packer 9 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 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.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe
    "C:\Users\Admin\AppData\Local\Temp\2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe
      "C:\Users\Admin\AppData\Local\Temp\2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:876
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /TN Cache-S-21-2946144819-3e21f723 /TR "C:\Users\Admin\AppData\Local\cache\MoUSO.exe"
        3⤵
        • Creates scheduled task(s)
        PID:1440
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {0E9DB5CE-E7C4-45F2-A9B6-98DAF08C754F} S-1-5-21-2292972927-2705560509-2768824231-1000:GRXNNIIE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1304
    • C:\Users\Admin\AppData\Local\cache\MoUSO.exe
      C:\Users\Admin\AppData\Local\cache\MoUSO.exe
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1704
      • C:\Users\Admin\AppData\Local\cache\MoUSO.exe
        "C:\Users\Admin\AppData\Local\cache\MoUSO.exe"
        3⤵
          PID:304

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\cache\MoUSO.exe

      Filesize

      9.1MB

      MD5

      58ec0acfe4edcc15917b97ef91596f07

      SHA1

      60e610685d9a549926e7a9b0cb6bcc6509708d3c

      SHA256

      2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02

      SHA512

      5769c348149efc107d94bd02e6bbb16440c7974533b843cc42fb7c23fb3e2209754ab69ca9f04a0ba4c56c83e5c30983568a1b1d5f9861c1328befdf09e78736

    • C:\Users\Admin\AppData\Local\cache\MoUSO.exe

      Filesize

      9.1MB

      MD5

      58ec0acfe4edcc15917b97ef91596f07

      SHA1

      60e610685d9a549926e7a9b0cb6bcc6509708d3c

      SHA256

      2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02

      SHA512

      5769c348149efc107d94bd02e6bbb16440c7974533b843cc42fb7c23fb3e2209754ab69ca9f04a0ba4c56c83e5c30983568a1b1d5f9861c1328befdf09e78736

    • memory/876-69-0x0000000000400000-0x0000000000423000-memory.dmp

      Filesize

      140KB

    • memory/876-68-0x0000000000400000-0x0000000000423000-memory.dmp

      Filesize

      140KB

    • memory/876-78-0x0000000000400000-0x0000000000423000-memory.dmp

      Filesize

      140KB

    • memory/876-73-0x0000000000400000-0x0000000000423000-memory.dmp

      Filesize

      140KB

    • memory/876-82-0x00000000013E0000-0x0000000001CFE000-memory.dmp

      Filesize

      9.1MB

    • memory/876-63-0x0000000000400000-0x0000000000423000-memory.dmp

      Filesize

      140KB

    • memory/876-64-0x0000000000400000-0x0000000000423000-memory.dmp

      Filesize

      140KB

    • memory/876-66-0x0000000000400000-0x0000000000423000-memory.dmp

      Filesize

      140KB

    • memory/876-81-0x0000000000400000-0x0000000000423000-memory.dmp

      Filesize

      140KB

    • memory/876-79-0x0000000000400000-0x0000000000423000-memory.dmp

      Filesize

      140KB

    • memory/876-70-0x0000000000400000-0x0000000000423000-memory.dmp

      Filesize

      140KB

    • memory/1704-90-0x0000000000BE0000-0x00000000014FE000-memory.dmp

      Filesize

      9.1MB

    • memory/1704-88-0x0000000000BE0000-0x00000000014FE000-memory.dmp

      Filesize

      9.1MB

    • memory/1704-89-0x0000000000BE0000-0x00000000014FE000-memory.dmp

      Filesize

      9.1MB

    • memory/2016-62-0x00000000011D0000-0x00000000011D6000-memory.dmp

      Filesize

      24KB

    • memory/2016-77-0x00000000013E0000-0x0000000001CFE000-memory.dmp

      Filesize

      9.1MB

    • memory/2016-72-0x000000000E720000-0x000000000F03E000-memory.dmp

      Filesize

      9.1MB

    • memory/2016-54-0x0000000075661000-0x0000000075663000-memory.dmp

      Filesize

      8KB

    • memory/2016-61-0x00000000013C0000-0x00000000013DA000-memory.dmp

      Filesize

      104KB

    • memory/2016-60-0x0000000000630000-0x0000000000648000-memory.dmp

      Filesize

      96KB

    • memory/2016-59-0x0000000000D80000-0x0000000000DB0000-memory.dmp

      Filesize

      192KB

    • memory/2016-57-0x00000000013E0000-0x0000000001CFE000-memory.dmp

      Filesize

      9.1MB

    • memory/2016-58-0x00000000013E0000-0x0000000001CFE000-memory.dmp

      Filesize

      9.1MB

    • memory/2016-56-0x00000000013E0000-0x0000000001CFE000-memory.dmp

      Filesize

      9.1MB