Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 10:08

General

  • Target

    62bf1c22cfff5676af918e964e59f5a49c9afc77bc166ac106087458e0bd932c.exe

  • Size

    2.8MB

  • MD5

    ffbf297cf07adacc64c1072b7fc45ad3

  • SHA1

    5e6fd2a7b3eb6128d2c6ca0caa8ec5e2f39e4cc3

  • SHA256

    62bf1c22cfff5676af918e964e59f5a49c9afc77bc166ac106087458e0bd932c

  • SHA512

    f4fe1b6bbe7557eb276896301fd0516bfc24cfc4284d1487691ef531e466a8ec272a83627ff8f774dbe3657ff0dfd69a0842982fa0868757a48c290c25aab9a9

  • SSDEEP

    49152:q2nABX4VY5eEUIag7UK5bfl9GJuFxBGDw9CJpMQ9pOgQ6NIpdcD4HV:q2ABXcY5eEU8HbvGJu4DwmzOgQZpdcDO

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\62bf1c22cfff5676af918e964e59f5a49c9afc77bc166ac106087458e0bd932c.exe
    "C:\Users\Admin\AppData\Local\Temp\62bf1c22cfff5676af918e964e59f5a49c9afc77bc166ac106087458e0bd932c.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /tn AccSys /tr "C:\Users\Admin\AppData\Roaming\ACCApi\apihost.exe" /st 10:13 /du 23:59 /sc daily /ri 1 /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:744
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\ACCApi'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:896
    • C:\Users\Admin\AppData\Roaming\ACCApi\apihost.exe
      "C:\Users\Admin\AppData\Roaming\ACCApi\apihost.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of AdjustPrivilegeToken
      PID:1380
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCDFE.tmp.cmd""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3672
      • C:\Windows\SysWOW64\timeout.exe
        timeout 6
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_04md1zfp.px3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpCDFE.tmp.cmd

    Filesize

    216B

    MD5

    82b0d0b98772b32c87832b03a2a80a83

    SHA1

    f9641e74867e6783b7594afb8216f2d964373191

    SHA256

    76e5417946c1ff1a7c89ac8ce327d2abc14aaec7b0ba39752e1608263744f9b3

    SHA512

    e1f6542878bd15cb026dd426a0a16894fd268c669aca08cbbd63678604f3964f113fee57bde5cd3335e0463d20cc98990307db221c2c97323dc10a0523340735

  • C:\Users\Admin\AppData\Roaming\ACCApi\apihost.exe

    Filesize

    2.9MB

    MD5

    38b160906dd4aa4d6cade1699c8a13f4

    SHA1

    779180b1cd6e064195de8e866bcb46cdce876f3d

    SHA256

    285aa5d7f1e59f988f7868705314feb65d247c181556d1b6af7fb00be33db719

    SHA512

    ada4b1c58cab09c995b185c618ac9d66326ff4a6df340dbc5f77a89b986eea627f4b2e2194963bb393b138623a55f5b9ceb37d1a72593d5ca3a3ac1c1cec45e9

  • memory/896-9-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/896-65-0x0000000007AA0000-0x0000000007AA8000-memory.dmp

    Filesize

    32KB

  • memory/896-11-0x0000000005760000-0x0000000005D88000-memory.dmp

    Filesize

    6.2MB

  • memory/896-41-0x0000000006460000-0x000000000647E000-memory.dmp

    Filesize

    120KB

  • memory/896-18-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/896-68-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/896-42-0x0000000006490000-0x00000000064DC000-memory.dmp

    Filesize

    304KB

  • memory/896-64-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

    Filesize

    104KB

  • memory/896-32-0x0000000005E00000-0x0000000005E66000-memory.dmp

    Filesize

    408KB

  • memory/896-30-0x0000000005D90000-0x0000000005DF6000-memory.dmp

    Filesize

    408KB

  • memory/896-33-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/896-63-0x00000000079C0000-0x00000000079D4000-memory.dmp

    Filesize

    80KB

  • memory/896-36-0x0000000005E70000-0x00000000061C4000-memory.dmp

    Filesize

    3.3MB

  • memory/896-62-0x00000000079B0000-0x00000000079BE000-memory.dmp

    Filesize

    56KB

  • memory/896-61-0x0000000007980000-0x0000000007991000-memory.dmp

    Filesize

    68KB

  • memory/896-8-0x0000000002B50000-0x0000000002B86000-memory.dmp

    Filesize

    216KB

  • memory/896-22-0x00000000055A0000-0x00000000055C2000-memory.dmp

    Filesize

    136KB

  • memory/896-44-0x0000000006A20000-0x0000000006A52000-memory.dmp

    Filesize

    200KB

  • memory/896-45-0x0000000071DB0000-0x0000000071DFC000-memory.dmp

    Filesize

    304KB

  • memory/896-55-0x0000000006A00000-0x0000000006A1E000-memory.dmp

    Filesize

    120KB

  • memory/896-56-0x0000000007650000-0x00000000076F3000-memory.dmp

    Filesize

    652KB

  • memory/896-57-0x0000000007DD0000-0x000000000844A000-memory.dmp

    Filesize

    6.5MB

  • memory/896-58-0x0000000007780000-0x000000000779A000-memory.dmp

    Filesize

    104KB

  • memory/896-59-0x00000000077F0000-0x00000000077FA000-memory.dmp

    Filesize

    40KB

  • memory/896-60-0x0000000007A00000-0x0000000007A96000-memory.dmp

    Filesize

    600KB

  • memory/1380-69-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1380-35-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/1380-43-0x0000000006360000-0x000000000636A000-memory.dmp

    Filesize

    40KB

  • memory/2668-1-0x0000000000CC0000-0x0000000000CE4000-memory.dmp

    Filesize

    144KB

  • memory/2668-2-0x0000000005D30000-0x00000000062D4000-memory.dmp

    Filesize

    5.6MB

  • memory/2668-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

    Filesize

    4KB

  • memory/2668-3-0x0000000005780000-0x0000000005812000-memory.dmp

    Filesize

    584KB