Analysis

  • max time kernel
    203s
  • max time network
    213s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 02:04

General

  • Target

    433526c997c9586097e1ac7ed3045f3debed6dcd72ad98fddef7e45f486402ab.exe

  • Size

    504KB

  • MD5

    06423b915fdde4d9a7051480a337123b

  • SHA1

    5ed71ff1c8432aab2e17887fd6eb9455b924dada

  • SHA256

    433526c997c9586097e1ac7ed3045f3debed6dcd72ad98fddef7e45f486402ab

  • SHA512

    c3da80348d6a36a3255ff7ad24d0b840db8f34821558f4c983f5a924dd6ec2aa1ba4e54fc83659eba4698ba17f35e703a798d56eb21a88cb6a1d0b5e6b0fc447

  • SSDEEP

    12288:6OwQmZiqb/i5t+V9iTCSvEMseLPcRnKb:6OdeIe9ih8Ms+PU

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 6 IoCs
  • UPX packed file 4 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 52 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.

  • Program crash 2 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\433526c997c9586097e1ac7ed3045f3debed6dcd72ad98fddef7e45f486402ab.exe
    "C:\Users\Admin\AppData\Local\Temp\433526c997c9586097e1ac7ed3045f3debed6dcd72ad98fddef7e45f486402ab.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Users\Admin\y26f0s.exe
      C:\Users\Admin\y26f0s.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4364
      • C:\Users\Admin\frcouy.exe
        "C:\Users\Admin\frcouy.exe"
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1976
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del y26f0s.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3196
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:1544
    • C:\Users\Admin\apod.exe
      C:\Users\Admin\apod.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4272
      • C:\Users\Admin\apod.exe
        "C:\Users\Admin\apod.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:4136
    • C:\Users\Admin\dpod.exe
      C:\Users\Admin\dpod.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4060
    • C:\Users\Admin\epod.exe
      C:\Users\Admin\epod.exe
      2⤵
      • Executes dropped EXE
      PID:984
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 220
        3⤵
        • Program crash
        PID:4568
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 984 -s 224
        3⤵
        • Program crash
        PID:68
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del 433526c997c9586097e1ac7ed3045f3debed6dcd72ad98fddef7e45f486402ab.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4448
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:540
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 984 -ip 984
    1⤵
      PID:4596
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 984 -ip 984
      1⤵
        PID:1844

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\apod.exe

              Filesize

              76KB

              MD5

              423c4a08989b956f40a58ac76d4b06ef

              SHA1

              e5f926bda675c1682a12df0033eacbcea1ed8b8c

              SHA256

              b2c621f8ca9704489c90a2fe87c7e5eb9ef247cef06a9b18708c8cd7a1b4e6c7

              SHA512

              b089470923a03f773749047688c9c315401da8590485f76d41589fcb3fbf045732e5f54e1297bdd6545575bb72c4cc4ba2d2ac2d7e64c4baab6a064f30a92b43

            • C:\Users\Admin\apod.exe

              Filesize

              76KB

              MD5

              423c4a08989b956f40a58ac76d4b06ef

              SHA1

              e5f926bda675c1682a12df0033eacbcea1ed8b8c

              SHA256

              b2c621f8ca9704489c90a2fe87c7e5eb9ef247cef06a9b18708c8cd7a1b4e6c7

              SHA512

              b089470923a03f773749047688c9c315401da8590485f76d41589fcb3fbf045732e5f54e1297bdd6545575bb72c4cc4ba2d2ac2d7e64c4baab6a064f30a92b43

            • C:\Users\Admin\apod.exe

              Filesize

              76KB

              MD5

              423c4a08989b956f40a58ac76d4b06ef

              SHA1

              e5f926bda675c1682a12df0033eacbcea1ed8b8c

              SHA256

              b2c621f8ca9704489c90a2fe87c7e5eb9ef247cef06a9b18708c8cd7a1b4e6c7

              SHA512

              b089470923a03f773749047688c9c315401da8590485f76d41589fcb3fbf045732e5f54e1297bdd6545575bb72c4cc4ba2d2ac2d7e64c4baab6a064f30a92b43

            • C:\Users\Admin\dpod.exe

              Filesize

              36KB

              MD5

              3f33e061a2ed4b19f8b837cc9798ba4b

              SHA1

              5e3a078de37dc896a657cb0a09f13394f5bd2715

              SHA256

              82b7ebb533cebb3bb671625ba65e41755ecad1c8e7b6ec7f9a8f4a549aac1a79

              SHA512

              2ef0c88aa69b8015db4773eaf5332a16464d6c502376c3edb88fa2c3b81aa135e42581f5384ecadd5964cf12abbc263af5841ba2322f8cb9d5f10e92fd0f52e5

            • C:\Users\Admin\dpod.exe

              Filesize

              36KB

              MD5

              3f33e061a2ed4b19f8b837cc9798ba4b

              SHA1

              5e3a078de37dc896a657cb0a09f13394f5bd2715

              SHA256

              82b7ebb533cebb3bb671625ba65e41755ecad1c8e7b6ec7f9a8f4a549aac1a79

              SHA512

              2ef0c88aa69b8015db4773eaf5332a16464d6c502376c3edb88fa2c3b81aa135e42581f5384ecadd5964cf12abbc263af5841ba2322f8cb9d5f10e92fd0f52e5

            • C:\Users\Admin\epod.exe

              Filesize

              7.2MB

              MD5

              319622bd15bf89dafbfa59e4de0cc5e7

              SHA1

              ff6540889833fffaca5c2b423a4b4f55f5a136c4

              SHA256

              9b571d3d69123d97e85c878e0b8ecf47acace18947e11eca707ae083ff4ffda8

              SHA512

              9685a1bce02371a1fe32e98b3c7c4b37ba61009e2bd3746de419ee219ea96c646ad8f47128bdd32aece3dd30bb3984d0bb895a852dbc6e9e8f0d44bd7757b239

            • C:\Users\Admin\epod.exe

              Filesize

              7.2MB

              MD5

              319622bd15bf89dafbfa59e4de0cc5e7

              SHA1

              ff6540889833fffaca5c2b423a4b4f55f5a136c4

              SHA256

              9b571d3d69123d97e85c878e0b8ecf47acace18947e11eca707ae083ff4ffda8

              SHA512

              9685a1bce02371a1fe32e98b3c7c4b37ba61009e2bd3746de419ee219ea96c646ad8f47128bdd32aece3dd30bb3984d0bb895a852dbc6e9e8f0d44bd7757b239

            • C:\Users\Admin\frcouy.exe

              Filesize

              340KB

              MD5

              3772bc8ed051186a427012c520bb6e1d

              SHA1

              370cd8ebcdfdf81055d6d8c32c6a961cc10a73d0

              SHA256

              2673860acb2426f1398bc01c2bb4aba13a7bf3f7b67a0cc4b9d0b087409d72d6

              SHA512

              5961801829eb296948dd7602977e4ded03f951b081836713155a70a01e4e491f3ab27d076b46fafbdfd164df5289c666a3e466ea8e77b3d96a0902892aa9f6ca

            • C:\Users\Admin\frcouy.exe

              Filesize

              340KB

              MD5

              3772bc8ed051186a427012c520bb6e1d

              SHA1

              370cd8ebcdfdf81055d6d8c32c6a961cc10a73d0

              SHA256

              2673860acb2426f1398bc01c2bb4aba13a7bf3f7b67a0cc4b9d0b087409d72d6

              SHA512

              5961801829eb296948dd7602977e4ded03f951b081836713155a70a01e4e491f3ab27d076b46fafbdfd164df5289c666a3e466ea8e77b3d96a0902892aa9f6ca

            • C:\Users\Admin\y26f0s.exe

              Filesize

              340KB

              MD5

              cd821a611d07ae0237546cd00fa6752f

              SHA1

              9cf66009462749c884320a43261af67e44688380

              SHA256

              977facc689d0653837ba70a93147f6fb512031d25c4e8991b93672d57289c01a

              SHA512

              f0a2328b2bd3f61593cbfc76cea146bcf7fa9eb69e192dd5cfbaaa40bab2632c3222af0ebf410567020c4a05748192a766d78f460ec90db96d04ac4a43bae719

            • C:\Users\Admin\y26f0s.exe

              Filesize

              340KB

              MD5

              cd821a611d07ae0237546cd00fa6752f

              SHA1

              9cf66009462749c884320a43261af67e44688380

              SHA256

              977facc689d0653837ba70a93147f6fb512031d25c4e8991b93672d57289c01a

              SHA512

              f0a2328b2bd3f61593cbfc76cea146bcf7fa9eb69e192dd5cfbaaa40bab2632c3222af0ebf410567020c4a05748192a766d78f460ec90db96d04ac4a43bae719

            • memory/4136-158-0x0000000000400000-0x000000000040E000-memory.dmp

              Filesize

              56KB

            • memory/4136-145-0x0000000000400000-0x000000000040E000-memory.dmp

              Filesize

              56KB

            • memory/4136-149-0x0000000000400000-0x000000000040E000-memory.dmp

              Filesize

              56KB

            • memory/4136-148-0x0000000000400000-0x000000000040E000-memory.dmp

              Filesize

              56KB