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
    127s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2022 14:21

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 8 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 19 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:1700
    • C:\Users\Admin\AppData\Local\Temp\2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe
      "C:\Users\Admin\AppData\Local\Temp\2d640e53d6e6d96266afb87c150403609c66d66ab1a5404c20efb13c85f9ae02.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1780
      • 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:1424
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F3B39790-1D3D-48E7-A5B0-52A8D15EA9C3} S-1-5-21-1214520366-621468234-4062160515-1000:VDWSWJJD\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1748
    • 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
      PID:1288

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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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/1288-94-0x0000000000930000-0x000000000124E000-memory.dmp

    Filesize

    9.1MB

  • memory/1288-93-0x0000000000930000-0x000000000124E000-memory.dmp

    Filesize

    9.1MB

  • memory/1700-62-0x0000000001070000-0x000000000108A000-memory.dmp

    Filesize

    104KB

  • memory/1700-54-0x0000000075671000-0x0000000075673000-memory.dmp

    Filesize

    8KB

  • memory/1700-63-0x0000000002C20000-0x0000000002C26000-memory.dmp

    Filesize

    24KB

  • memory/1700-56-0x0000000000280000-0x0000000000B9E000-memory.dmp

    Filesize

    9.1MB

  • memory/1700-57-0x0000000000280000-0x0000000000B9E000-memory.dmp

    Filesize

    9.1MB

  • memory/1700-58-0x0000000000280000-0x0000000000B9E000-memory.dmp

    Filesize

    9.1MB

  • memory/1700-59-0x0000000000C30000-0x0000000000C60000-memory.dmp

    Filesize

    192KB

  • memory/1700-60-0x0000000001050000-0x0000000001068000-memory.dmp

    Filesize

    96KB

  • memory/1700-61-0x0000000000280000-0x0000000000B9E000-memory.dmp

    Filesize

    9.1MB

  • memory/1700-79-0x0000000000280000-0x0000000000B9E000-memory.dmp

    Filesize

    9.1MB

  • memory/1780-75-0x00000000000C0000-0x00000000000E3000-memory.dmp

    Filesize

    140KB

  • memory/1780-73-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1780-80-0x00000000000C0000-0x00000000000E3000-memory.dmp

    Filesize

    140KB

  • memory/1780-85-0x00000000000C0000-0x00000000000E3000-memory.dmp

    Filesize

    140KB

  • memory/1780-71-0x00000000000C0000-0x00000000000E3000-memory.dmp

    Filesize

    140KB

  • memory/1780-87-0x0000000000280000-0x0000000000B9E000-memory.dmp

    Filesize

    9.1MB

  • memory/1780-70-0x00000000000C0000-0x00000000000E3000-memory.dmp

    Filesize

    140KB

  • memory/1780-69-0x00000000000C0000-0x00000000000E3000-memory.dmp

    Filesize

    140KB

  • memory/1780-67-0x00000000000C0000-0x00000000000E3000-memory.dmp

    Filesize

    140KB

  • memory/1780-65-0x00000000000C0000-0x00000000000E3000-memory.dmp

    Filesize

    140KB

  • memory/1780-64-0x00000000000C0000-0x00000000000E3000-memory.dmp

    Filesize

    140KB