Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2023 22:48

General

  • Target

    a3a6f1efd5e9dfbb3f1516625e042240d88139995e3a56c9ad6215794f5d30e8.exe

  • Size

    1.4MB

  • MD5

    ff14c0880e31b2dc2b45a74df26055a9

  • SHA1

    81a1c198140d0e7afc28d90df3d23a5c76816895

  • SHA256

    a3a6f1efd5e9dfbb3f1516625e042240d88139995e3a56c9ad6215794f5d30e8

  • SHA512

    e81eb575dc12467e5f0f12fd0526be4541b4a352fd1fbc1e09bc7708a9715654c53f26ca9defdf25f56a4b2c47536ccbf4b853c4ac289e2f323cb9ac3b8dfb9a

  • SSDEEP

    24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk

Score
7/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Unexpected DNS network traffic destination 3 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3a6f1efd5e9dfbb3f1516625e042240d88139995e3a56c9ad6215794f5d30e8.exe
    "C:\Users\Admin\AppData\Local\Temp\a3a6f1efd5e9dfbb3f1516625e042240d88139995e3a56c9ad6215794f5d30e8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:760
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ratt.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3660
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c nslookup myip.opendns.com. resolver1.opendns.com
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2436
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup myip.opendns.com. resolver1.opendns.com
          4⤵
            PID:1704
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c wmic ComputerSystem get Domain
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1560
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic ComputerSystem get Domain
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2508
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          Powershell -Command 'Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ratt.exe"'
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4356
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          Powershell -Command 'Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\"'
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3712
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          Powershell -Command 'Add-MpPreference -ExclusionPath "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\ratt.exe"'
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4792
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          Powershell -Command 'Add-MpPreference -ExclusionPath "$Env:SystemDrive\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp"'
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3316
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          Powershell -Command 'Add-MpPreference -ExclusionProcess "C:\Users\Admin\AppData\Local\Temp\ratt.exe"'
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4928
        • C:\Users\Admin\AppData\Local\Temp\7z.exe
          7z.exe x -o"C:\Users\Admin\AppData\Local\Temp" -y ratt.7z
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2056

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      1KB

      MD5

      33b19d75aa77114216dbc23f43b195e3

      SHA1

      36a6c3975e619e0c5232aa4f5b7dc1fec9525535

      SHA256

      b23ced31b855e5a39c94afa1f9d55b023b8c40d4dc62143e0539c6916c12c9d2

      SHA512

      676fa2fd34878b75e5899197fe6826bb5604541aa468804bc9835bd3acabed2e6759878a8f1358955413818a51456816e90f149133828575a416c2a74fc7d821

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

      Filesize

      11KB

      MD5

      8849c19be147e937de578fda0ea60b90

      SHA1

      18fa2e83736e114a98bdc6de71efadec7fe86aee

      SHA256

      945143bfb354ce69b60148ea95bdf82ff0a70723a1cefee3c72a3c7d82dbfc7b

      SHA512

      16bc36701b71e99d5549f58ad22a5ee53c01dd0876467f78e631637db9d50b393947a58a086e1d88f147d221b1d8cbf9801bf52f666239c2b6dcdd1b7a4a1916

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

      Filesize

      11KB

      MD5

      d3740a9a814855e23046e14f6d358453

      SHA1

      8cbce94e157becc7d75217203f8fd01e36ac93ca

      SHA256

      2281fb2548b2dd7631426c0c0cc475463e05b542205b5146496ee2b4a5a3fd7a

      SHA512

      64545328886f5cba9c9644d52c21a2682a0924a331f86382a63ee461cb2139386868c21fb5ec11f8309691f447a69328327f3a45f7b2b986cd50487addcf31d4

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

      Filesize

      11KB

      MD5

      279559b61e453f5d1bf3372fe51fe51e

      SHA1

      12aab304854d7165bde1d4b7e77b7bfd3e2b5b6f

      SHA256

      f2733d066149670d34d8892416bfdb3dd0ddba1adcd8ead6f5ae86ea51dd8063

      SHA512

      dc135650bb3b8cc05dc8f28579c483502ae677649029419afae662798e4528f43cf3b5bdeca3b81b94e46c8daa7bc9e709a2ca927e2c88faf782f0620e08856a

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

      Filesize

      11KB

      MD5

      71d0387e0dd4430c2005ff7e2f8ee7c6

      SHA1

      c5a1e70a8eed7ba2b2170c4d0e3a5e06852a9ebc

      SHA256

      5178084da9cc167b687d676dab5a5aff466406213fd2a0683391b4b025588b45

      SHA512

      858bbc9136fe718d99b94c704d98f9eefa2861a6349dd8459f345260b9a6d7bec92c1d404dbef3f63d246eefca437d4af4ab23a743dc138a22cf09481faf0293

    • C:\Users\Admin\AppData\Local\Temp\7z.dll

      Filesize

      328KB

      MD5

      15bbbe562f9be3e5dcbb834e635cc231

      SHA1

      7c01cf5fa4db2312c5ed2f7b8c41e3e5c346a51a

      SHA256

      ed50ef8e0b6dd83fb0c3f733329d4aa6e5a3beb3491e2ba9d2ae206813508dde

      SHA512

      769287951b8c16f4b10c1b58e82612844babe7b5c10445fe848d713fb5e8321bcbbd9780e9c564cffe35ea4144e8a7e19645291c4eea372fcaa19ae395a97287

    • C:\Users\Admin\AppData\Local\Temp\7z.dll

      Filesize

      328KB

      MD5

      15bbbe562f9be3e5dcbb834e635cc231

      SHA1

      7c01cf5fa4db2312c5ed2f7b8c41e3e5c346a51a

      SHA256

      ed50ef8e0b6dd83fb0c3f733329d4aa6e5a3beb3491e2ba9d2ae206813508dde

      SHA512

      769287951b8c16f4b10c1b58e82612844babe7b5c10445fe848d713fb5e8321bcbbd9780e9c564cffe35ea4144e8a7e19645291c4eea372fcaa19ae395a97287

    • C:\Users\Admin\AppData\Local\Temp\7z.exe

      Filesize

      71KB

      MD5

      8ba2e41b330ae9356e62eb63514cf82e

      SHA1

      8dc266467a5a0d587ed0181d4344581ef4ff30b2

      SHA256

      ea2ad8d87b79c8eb3952498c7005a195986436cfd7ca7736dbbdda979142daea

      SHA512

      2fdfc2d368c70320b3dac00fef06381ef90a2a82a1f3137109b033d84e5b70185039af6ec918012dc03bc9d046cd8d8aee3247ba0f59d394e78f1f73380f7a1d

    • C:\Users\Admin\AppData\Local\Temp\7z.exe

      Filesize

      71KB

      MD5

      8ba2e41b330ae9356e62eb63514cf82e

      SHA1

      8dc266467a5a0d587ed0181d4344581ef4ff30b2

      SHA256

      ea2ad8d87b79c8eb3952498c7005a195986436cfd7ca7736dbbdda979142daea

      SHA512

      2fdfc2d368c70320b3dac00fef06381ef90a2a82a1f3137109b033d84e5b70185039af6ec918012dc03bc9d046cd8d8aee3247ba0f59d394e78f1f73380f7a1d

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uzbgmo2c.apy.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\ratt.7z

      Filesize

      693KB

      MD5

      7de6fdf3629c73bf0c29a96fa23ae055

      SHA1

      dcb37f6d43977601c6460b17387a89b9e4c0609a

      SHA256

      069979bfb2aefe3cac239fe4f2477672eb75b90c9853fb67b2ac1438f2ec44ff

      SHA512

      d1ef2299aacf429572fd6df185009960e601e49126f080fdced26ec407e5db86eaa902e474635464aac146b7de286667a398f2c5e46c4a821dad2579bfb3acf8

    • C:\Users\Admin\AppData\Local\Temp\ratt.bat

      Filesize

      1KB

      MD5

      7ea1fec84d76294d9256ae3dca7676b2

      SHA1

      1e335451d1cbb6951bc77bf75430f4d983491342

      SHA256

      9a419095c0bafc6b550f3f760c7b4f91ef3a956cfa6403d3750164ecdbe35940

      SHA512

      ab712c45081b3d1c7edd03e67a8db1518a546f3fbf00e99838dfe03a689c4867a6953e6603dcd2be458b2441f4a2b70286fd7d096549cfcf032dd2cd54d68317

    • C:\Users\Admin\AppData\Local\Temp\ratt.exe

      Filesize

      36.5MB

      MD5

      c53233eeca53bf32de481dd57c4dabe2

      SHA1

      ce54a4357916b62a930bd986f591d1dee0053478

      SHA256

      c4a1c46fda53e36e16cec7ee087a7561f820063bc772c2bc09e5aff9881e5614

      SHA512

      d375d4e1db8de5d5c199ad8c4237a500518fdb2de9b26db8fbce8358bcf0dbad3d5b76ffb37aaf346cedcc9b8d61b72c4c60ca311ee72750891d26f11c055371

    • memory/2056-129-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/2056-111-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/2056-109-0x0000000010000000-0x00000000100E2000-memory.dmp

      Filesize

      904KB

    • memory/2056-105-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/2056-112-0x0000000010000000-0x00000000100E2000-memory.dmp

      Filesize

      904KB

    • memory/3316-72-0x0000000004C20000-0x0000000004C30000-memory.dmp

      Filesize

      64KB

    • memory/3316-73-0x0000000004C20000-0x0000000004C30000-memory.dmp

      Filesize

      64KB

    • memory/3316-71-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3316-86-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3316-84-0x0000000004C20000-0x0000000004C30000-memory.dmp

      Filesize

      64KB

    • memory/3712-51-0x0000000004830000-0x0000000004840000-memory.dmp

      Filesize

      64KB

    • memory/3712-53-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3712-40-0x00000000054A0000-0x00000000057F4000-memory.dmp

      Filesize

      3.3MB

    • memory/3712-39-0x0000000004830000-0x0000000004840000-memory.dmp

      Filesize

      64KB

    • memory/3712-38-0x0000000004830000-0x0000000004840000-memory.dmp

      Filesize

      64KB

    • memory/3712-37-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4356-35-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4356-32-0x00000000050B0000-0x00000000050C0000-memory.dmp

      Filesize

      64KB

    • memory/4356-31-0x0000000006690000-0x00000000066DC000-memory.dmp

      Filesize

      304KB

    • memory/4356-30-0x0000000005380000-0x000000000539E000-memory.dmp

      Filesize

      120KB

    • memory/4356-29-0x0000000006070000-0x00000000063C4000-memory.dmp

      Filesize

      3.3MB

    • memory/4356-19-0x0000000006000000-0x0000000006066000-memory.dmp

      Filesize

      408KB

    • memory/4356-18-0x0000000005F90000-0x0000000005FF6000-memory.dmp

      Filesize

      408KB

    • memory/4356-17-0x0000000005690000-0x00000000056B2000-memory.dmp

      Filesize

      136KB

    • memory/4356-16-0x0000000005730000-0x0000000005D58000-memory.dmp

      Filesize

      6.2MB

    • memory/4356-15-0x00000000050C0000-0x00000000050F6000-memory.dmp

      Filesize

      216KB

    • memory/4356-14-0x00000000050B0000-0x00000000050C0000-memory.dmp

      Filesize

      64KB

    • memory/4356-13-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4792-66-0x0000000005F20000-0x0000000006274000-memory.dmp

      Filesize

      3.3MB

    • memory/4792-70-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4792-68-0x0000000004E00000-0x0000000004E10000-memory.dmp

      Filesize

      64KB

    • memory/4792-56-0x0000000004E00000-0x0000000004E10000-memory.dmp

      Filesize

      64KB

    • memory/4792-55-0x0000000004E00000-0x0000000004E10000-memory.dmp

      Filesize

      64KB

    • memory/4792-54-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4928-102-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4928-95-0x0000000005AB0000-0x0000000005E04000-memory.dmp

      Filesize

      3.3MB

    • memory/4928-88-0x0000000002A80000-0x0000000002A90000-memory.dmp

      Filesize

      64KB

    • memory/4928-89-0x0000000002A80000-0x0000000002A90000-memory.dmp

      Filesize

      64KB

    • memory/4928-87-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB