Analysis

  • max time kernel
    154s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/09/2022, 08:46

General

  • Target

    856aadbed94ae7fac3abb4693092c69f467f038187e6ec9d17c4f381ae1e5fac.exe

  • Size

    5.0MB

  • MD5

    484865df8333865c8fba4d4105f72665

  • SHA1

    6b8fc408b862f6fa420daf606dc275a8011dfcd3

  • SHA256

    856aadbed94ae7fac3abb4693092c69f467f038187e6ec9d17c4f381ae1e5fac

  • SHA512

    51329dbec5d93246419cba5bd6cb9234bce06b15e86f2dc6882479a4d0398daf89269c11bdf2e49e4f1a62d25c52f509b4304470002864d2079f98851a2a400c

  • SSDEEP

    98304:+wTIlEMpKcv2Trlyn1No7wQhi+KLNmoaL8BvL/oKgCfXGdmVyX4uIeqc6H:vElnKY2TrlsXo7w+aN28RLZTlunqc

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
  • Adds Run key to start application 2 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.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\856aadbed94ae7fac3abb4693092c69f467f038187e6ec9d17c4f381ae1e5fac.exe
    "C:\Users\Admin\AppData\Local\Temp\856aadbed94ae7fac3abb4693092c69f467f038187e6ec9d17c4f381ae1e5fac.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4224
    • C:\Users\Admin\AppData\Local\Temp\Ngvbdntwevazewqftdfupdate-boleam.exe
      "C:\Users\Admin\AppData\Local\Temp\Ngvbdntwevazewqftdfupdate-boleam.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1580
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3240
      • C:\Users\Admin\AppData\Local\Temp\Yxatybeinbvkbyyphzgzggnnseam-ferv.exe
        "C:\Users\Admin\AppData\Local\Temp\Yxatybeinbvkbyyphzgzggnnseam-ferv.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3596
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4092
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegAsm.exe
        3⤵
        • Checks computer location settings
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4224

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    2f57fde6b33e89a63cf0dfdd6e60a351

    SHA1

    445bf1b07223a04f8a159581a3d37d630273010f

    SHA256

    3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55

    SHA512

    42857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    1KB

    MD5

    f2a070283eafbbfbff33979a73c135e1

    SHA1

    0bdc408294a7ca1b08c10f5a570a8090d3f51de2

    SHA256

    fe5402781a1b7d3dabc51baaf96ed8cd6c44dd2c9562c9646f9dbef73ae82936

    SHA512

    62ead4b2d39d6265e0e92cb03ea10f10d36c1ea2b8892f0bbe7cb57041bbc8470381d0c0b2849381b16505524be016be23dfefe6d87e2baab7a446c52c4e9de3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    1KB

    MD5

    811773c95337363763139edcff31e6d9

    SHA1

    bffa8b8e34092284a3f9844b5200516d8ff5f839

    SHA256

    5b22a628d84b1a441c67c8e18ae18ff629fe6bb0c4088284709bb7db2e0a8d52

    SHA512

    0f1ca6e257a5944ec3e06216ac6db004e8b6323eb5b5027f08486aa3e35d3bdd175c255ca4d8153212968219fafc186dc851676650085bb59a18c506b5019a5d

  • C:\Users\Admin\AppData\Local\Temp\Ngvbdntwevazewqftdfupdate-boleam.exe

    Filesize

    5.1MB

    MD5

    749b4cc5b3b2c627fe76fbceda99c418

    SHA1

    5649f51b2f6ef72557748c2ea6ed2d99d901b3e4

    SHA256

    eb84adbffb2205dc507b04c83fbb713db67840c0f9d5e09a10e9ac75721c7379

    SHA512

    50fa2322d85ade3bec2de0f03cb62e6d737a95fb056b6cbee33d796fb05f80f586a31019163f40fbd291774fd214fca47abf29d3f385bacee5d0b35a76232a4c

  • C:\Users\Admin\AppData\Local\Temp\Ngvbdntwevazewqftdfupdate-boleam.exe

    Filesize

    5.1MB

    MD5

    749b4cc5b3b2c627fe76fbceda99c418

    SHA1

    5649f51b2f6ef72557748c2ea6ed2d99d901b3e4

    SHA256

    eb84adbffb2205dc507b04c83fbb713db67840c0f9d5e09a10e9ac75721c7379

    SHA512

    50fa2322d85ade3bec2de0f03cb62e6d737a95fb056b6cbee33d796fb05f80f586a31019163f40fbd291774fd214fca47abf29d3f385bacee5d0b35a76232a4c

  • C:\Users\Admin\AppData\Local\Temp\Yxatybeinbvkbyyphzgzggnnseam-ferv.exe

    Filesize

    5.1MB

    MD5

    af63fa3f5449db46b36c52f665b850f3

    SHA1

    5dd1c53c4fe2e9b300fe82e18abdeec7485164f9

    SHA256

    985b7a07c49320d8153b20b7ac7dd3d368a0505b002049601d9d17764116f407

    SHA512

    45999dfca4cc9a284b1906d129982b426671033d78885dc3b88aedb55d151e826a43ada5e703e78ef0604168050ef3efba1f4e42d907f121f1c56db36bf6a223

  • C:\Users\Admin\AppData\Local\Temp\Yxatybeinbvkbyyphzgzggnnseam-ferv.exe

    Filesize

    5.1MB

    MD5

    af63fa3f5449db46b36c52f665b850f3

    SHA1

    5dd1c53c4fe2e9b300fe82e18abdeec7485164f9

    SHA256

    985b7a07c49320d8153b20b7ac7dd3d368a0505b002049601d9d17764116f407

    SHA512

    45999dfca4cc9a284b1906d129982b426671033d78885dc3b88aedb55d151e826a43ada5e703e78ef0604168050ef3efba1f4e42d907f121f1c56db36bf6a223

  • memory/1580-161-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

    Filesize

    10.8MB

  • memory/1580-151-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

    Filesize

    10.8MB

  • memory/1580-143-0x000001A61A140000-0x000001A61A650000-memory.dmp

    Filesize

    5.1MB

  • memory/1580-144-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

    Filesize

    10.8MB

  • memory/2732-132-0x000002A20DEF0000-0x000002A20E400000-memory.dmp

    Filesize

    5.1MB

  • memory/2732-133-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

    Filesize

    10.8MB

  • memory/2732-134-0x000002A2100F0000-0x000002A210112000-memory.dmp

    Filesize

    136KB

  • memory/2732-137-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

    Filesize

    10.8MB

  • memory/2732-147-0x00007FFF56DF0000-0x00007FFF56FE5000-memory.dmp

    Filesize

    2.0MB

  • memory/2732-153-0x00007FFF56DF0000-0x00007FFF56FE5000-memory.dmp

    Filesize

    2.0MB

  • memory/2732-150-0x00007FFF56DF0000-0x00007FFF56FE5000-memory.dmp

    Filesize

    2.0MB

  • memory/3240-152-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

    Filesize

    10.8MB

  • memory/3240-149-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

    Filesize

    10.8MB

  • memory/3240-154-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

    Filesize

    10.8MB

  • memory/3596-158-0x00000000006A0000-0x0000000000BB2000-memory.dmp

    Filesize

    5.1MB

  • memory/3596-163-0x00000000061E0000-0x0000000006202000-memory.dmp

    Filesize

    136KB

  • memory/4092-170-0x0000000006500000-0x000000000651E000-memory.dmp

    Filesize

    120KB

  • memory/4092-166-0x00000000058B0000-0x0000000005ED8000-memory.dmp

    Filesize

    6.2MB

  • memory/4092-171-0x0000000007D90000-0x000000000840A000-memory.dmp

    Filesize

    6.5MB

  • memory/4092-168-0x0000000005EE0000-0x0000000005F46000-memory.dmp

    Filesize

    408KB

  • memory/4092-167-0x00000000056F0000-0x0000000005756000-memory.dmp

    Filesize

    408KB

  • memory/4092-172-0x0000000006A00000-0x0000000006A1A000-memory.dmp

    Filesize

    104KB

  • memory/4092-165-0x0000000002F00000-0x0000000002F36000-memory.dmp

    Filesize

    216KB

  • memory/4224-136-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

    Filesize

    10.8MB

  • memory/4224-162-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

    Filesize

    10.8MB

  • memory/4224-159-0x0000000140000000-0x0000000140056000-memory.dmp

    Filesize

    344KB

  • memory/4224-138-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

    Filesize

    10.8MB

  • memory/4224-139-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

    Filesize

    10.8MB

  • memory/4224-173-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

    Filesize

    10.8MB