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Analysis

  • max time kernel
    149s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/05/2023, 14:53

General

  • Target

    BankTransferForm.exe

  • Size

    1.8MB

  • MD5

    ff0a76b16c5a361efc8bcf2b93929cb5

  • SHA1

    4382dae58d310e2a0017f67695ba35ab6f52ba52

  • SHA256

    2c0fba171cec0f5ac33dcbc8e4795f5010e7b6a4e03ff8170e8154f2fd01df9a

  • SHA512

    7338c36634dbedbfc4360789e9a3f28eee8eb3bae60b9eaa3ca50d04f61febdc0262f642c4d17d2166948546d866645652c450dbfcb193eaa81057b733df9bb1

  • SSDEEP

    12288:47uix2TBXVnBGw4I/6QTdp7lRpIlfMer5iiTvdyPlIjCR8NMXzpUl3Gg4i3+u2Qc:56XMXzIr4hu2DHh

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BankTransferForm.exe
    "C:\Users\Admin\AppData\Local\Temp\BankTransferForm.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:744
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 38 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Local\atg.exe,"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 38
        3⤵
        • Runs ping.exe
        PID:4424
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Local\atg.exe,"
        3⤵
        • Modifies WinLogon for persistence
        PID:3408
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 45 > nul && copy "C:\Users\Admin\AppData\Local\Temp\BankTransferForm.exe" "C:\Users\Admin\AppData\Local\atg.exe" && ping 127.0.0.1 -n 45 > nul && "C:\Users\Admin\AppData\Local\atg.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:32
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 45
        3⤵
        • Runs ping.exe
        PID:3364
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 45
        3⤵
        • Runs ping.exe
        PID:3836
      • C:\Users\Admin\AppData\Local\atg.exe
        "C:\Users\Admin\AppData\Local\atg.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:4500

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\atg.exe

    Filesize

    1.8MB

    MD5

    ff0a76b16c5a361efc8bcf2b93929cb5

    SHA1

    4382dae58d310e2a0017f67695ba35ab6f52ba52

    SHA256

    2c0fba171cec0f5ac33dcbc8e4795f5010e7b6a4e03ff8170e8154f2fd01df9a

    SHA512

    7338c36634dbedbfc4360789e9a3f28eee8eb3bae60b9eaa3ca50d04f61febdc0262f642c4d17d2166948546d866645652c450dbfcb193eaa81057b733df9bb1

  • C:\Users\Admin\AppData\Local\atg.exe

    Filesize

    1.8MB

    MD5

    ff0a76b16c5a361efc8bcf2b93929cb5

    SHA1

    4382dae58d310e2a0017f67695ba35ab6f52ba52

    SHA256

    2c0fba171cec0f5ac33dcbc8e4795f5010e7b6a4e03ff8170e8154f2fd01df9a

    SHA512

    7338c36634dbedbfc4360789e9a3f28eee8eb3bae60b9eaa3ca50d04f61febdc0262f642c4d17d2166948546d866645652c450dbfcb193eaa81057b733df9bb1

  • memory/744-143-0x0000000006520000-0x0000000006530000-memory.dmp

    Filesize

    64KB

  • memory/744-144-0x0000000006520000-0x0000000006530000-memory.dmp

    Filesize

    64KB

  • memory/744-137-0x0000000006520000-0x0000000006530000-memory.dmp

    Filesize

    64KB

  • memory/744-138-0x00000000075A0000-0x00000000075AA000-memory.dmp

    Filesize

    40KB

  • memory/744-139-0x0000000006520000-0x0000000006530000-memory.dmp

    Filesize

    64KB

  • memory/744-140-0x0000000006520000-0x0000000006530000-memory.dmp

    Filesize

    64KB

  • memory/744-141-0x0000000006520000-0x0000000006530000-memory.dmp

    Filesize

    64KB

  • memory/744-142-0x0000000006520000-0x0000000006530000-memory.dmp

    Filesize

    64KB

  • memory/744-133-0x0000000000BC0000-0x0000000000D98000-memory.dmp

    Filesize

    1.8MB

  • memory/744-136-0x00000000057B0000-0x0000000005842000-memory.dmp

    Filesize

    584KB

  • memory/744-145-0x0000000006520000-0x0000000006530000-memory.dmp

    Filesize

    64KB

  • memory/744-135-0x0000000005CC0000-0x0000000006264000-memory.dmp

    Filesize

    5.6MB

  • memory/744-134-0x0000000005650000-0x00000000056EC000-memory.dmp

    Filesize

    624KB

  • memory/4500-152-0x00000000006F0000-0x00000000008C8000-memory.dmp

    Filesize

    1.8MB

  • memory/4500-153-0x0000000005E20000-0x0000000005E30000-memory.dmp

    Filesize

    64KB

  • memory/4500-154-0x0000000005E20000-0x0000000005E30000-memory.dmp

    Filesize

    64KB

  • memory/4500-155-0x0000000005E20000-0x0000000005E30000-memory.dmp

    Filesize

    64KB

  • memory/4500-156-0x0000000005E20000-0x0000000005E30000-memory.dmp

    Filesize

    64KB

  • memory/4500-157-0x0000000005E20000-0x0000000005E30000-memory.dmp

    Filesize

    64KB

  • memory/4500-158-0x0000000005E20000-0x0000000005E30000-memory.dmp

    Filesize

    64KB