Analysis

  • max time kernel
    158s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 06:09

General

  • Target

    13685be33cc36747f500c5b392ae8f221e8264e45e1c7ff52865bdcbd4ec9cc7.exe

  • Size

    1.3MB

  • MD5

    01151ab7fc3222021cbab67f27622e8a

  • SHA1

    caf0c1ef61f2846fb527dcca0f58543c25bb7496

  • SHA256

    13685be33cc36747f500c5b392ae8f221e8264e45e1c7ff52865bdcbd4ec9cc7

  • SHA512

    4db207d0a06f7bfff31113e990082d33605c1afcc7f93128eb4b59293c3cb477c2293751fe8dcbbffb936142ccb1d783ceb154df69973ae5c6bac9210b21c7f8

  • SSDEEP

    24576:cxTAxn1eTrQj9JPc9H+XD6krOlfKtBX8y3xyh2h8Qr7Rdwm:cxO889J8MD6krOlfKtBXLz8Qr7Ram

Score
10/10

Malware Config

Signatures

  • UAC bypass 3 TTPs 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 5 IoCs

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

  • Obfuscated with Agile.Net obfuscator 2 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Uses the VBS compiler for execution 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs
  • System policy modification 1 TTPs 2 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13685be33cc36747f500c5b392ae8f221e8264e45e1c7ff52865bdcbd4ec9cc7.exe
    "C:\Users\Admin\AppData\Local\Temp\13685be33cc36747f500c5b392ae8f221e8264e45e1c7ff52865bdcbd4ec9cc7.exe"
    1⤵
    • UAC bypass
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3448
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4612
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\RealNetowrks\Hide_Folder_1.vbs"
        3⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:2012
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\RealNetowrks\Hide_Folder_1.bat" "
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:5020
          • C:\Windows\SysWOW64\attrib.exe
            attrib +s +h C:\Users\Admin\AppData\Roaming\RealNetowrks
            5⤵
            • Sets file to hidden
            • Views/modifies file attributes
            PID:2516
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppMgnt.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppMgnt.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:224
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /SC ONLOGON /TN PolicyManager /TR C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppMgnt.exe /RL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:3596
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\hknswc.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\hknswc.exe"
        3⤵
        • UAC bypass
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:3156
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
          4⤵
            PID:1520
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppMgnt.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppMgnt.exe"
            4⤵
            • Executes dropped EXE
            • Checks computer location settings
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4644
            • C:\Windows\SysWOW64\schtasks.exe
              "C:\Windows\system32\schtasks.exe" /Create /SC ONLOGON /TN PolicyManager /TR C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppMgnt.exe /RL HIGHEST
              5⤵
              • Creates scheduled task(s)
              PID:2264

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Scheduled Task

    1
    T1053

    Persistence

    Hidden Files and Directories

    2
    T1158

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Bypass User Account Control

    1
    T1088

    Scheduled Task

    1
    T1053

    Defense Evasion

    Bypass User Account Control

    1
    T1088

    Disabling Security Tools

    1
    T1089

    Modify Registry

    2
    T1112

    Hidden Files and Directories

    2
    T1158

    Scripting

    1
    T1064

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\AppMgnt.exe.log
      Filesize

      404B

      MD5

      15b6596d028baa2a113143d1828bcc36

      SHA1

      f1be43126c4e765fe499718c388823d44bf1fef1

      SHA256

      529f9fde2234067382b4c6fb8e5aee49d8a8b1b85c82b0bdae425fa2a0264f75

      SHA512

      f2a6cb8498f596c7bf9178ea32a245dbb3657f43a179f378ce952ce5cb8580810cd67ef1efb623bcf6cd796d74e2c9b7bc42cb8665ead397546ce3b400181e83

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppMgnt.exe
      Filesize

      13KB

      MD5

      79e47af9db3d7ba538de0083c4fa0f90

      SHA1

      113e6053c02639704e764a04f907c8b764b51a7a

      SHA256

      4862813a48c006477fd4ed1bb053b6dbda9b812de36f221b1337f03c84f0aac1

      SHA512

      105476f74f137d8bb4e09c2dbb5eb72afda6aaadcec8ddb0f6d4cc5aca3674f88f6ca9db36d867c036c9deb111ef55a6b1b21be4838e6404770d03f32377e9aa

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppMgnt.exe
      Filesize

      13KB

      MD5

      79e47af9db3d7ba538de0083c4fa0f90

      SHA1

      113e6053c02639704e764a04f907c8b764b51a7a

      SHA256

      4862813a48c006477fd4ed1bb053b6dbda9b812de36f221b1337f03c84f0aac1

      SHA512

      105476f74f137d8bb4e09c2dbb5eb72afda6aaadcec8ddb0f6d4cc5aca3674f88f6ca9db36d867c036c9deb111ef55a6b1b21be4838e6404770d03f32377e9aa

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppMgnt.exe
      Filesize

      13KB

      MD5

      79e47af9db3d7ba538de0083c4fa0f90

      SHA1

      113e6053c02639704e764a04f907c8b764b51a7a

      SHA256

      4862813a48c006477fd4ed1bb053b6dbda9b812de36f221b1337f03c84f0aac1

      SHA512

      105476f74f137d8bb4e09c2dbb5eb72afda6aaadcec8ddb0f6d4cc5aca3674f88f6ca9db36d867c036c9deb111ef55a6b1b21be4838e6404770d03f32377e9aa

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppMgnt.exe
      Filesize

      13KB

      MD5

      79e47af9db3d7ba538de0083c4fa0f90

      SHA1

      113e6053c02639704e764a04f907c8b764b51a7a

      SHA256

      4862813a48c006477fd4ed1bb053b6dbda9b812de36f221b1337f03c84f0aac1

      SHA512

      105476f74f137d8bb4e09c2dbb5eb72afda6aaadcec8ddb0f6d4cc5aca3674f88f6ca9db36d867c036c9deb111ef55a6b1b21be4838e6404770d03f32377e9aa

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\hknswc.exe
      Filesize

      1.3MB

      MD5

      01151ab7fc3222021cbab67f27622e8a

      SHA1

      caf0c1ef61f2846fb527dcca0f58543c25bb7496

      SHA256

      13685be33cc36747f500c5b392ae8f221e8264e45e1c7ff52865bdcbd4ec9cc7

      SHA512

      4db207d0a06f7bfff31113e990082d33605c1afcc7f93128eb4b59293c3cb477c2293751fe8dcbbffb936142ccb1d783ceb154df69973ae5c6bac9210b21c7f8

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\hknswc.exe
      Filesize

      1.3MB

      MD5

      01151ab7fc3222021cbab67f27622e8a

      SHA1

      caf0c1ef61f2846fb527dcca0f58543c25bb7496

      SHA256

      13685be33cc36747f500c5b392ae8f221e8264e45e1c7ff52865bdcbd4ec9cc7

      SHA512

      4db207d0a06f7bfff31113e990082d33605c1afcc7f93128eb4b59293c3cb477c2293751fe8dcbbffb936142ccb1d783ceb154df69973ae5c6bac9210b21c7f8

    • C:\Users\Admin\AppData\Roaming\RealNetowrks\Hide_Folder_1.bat
      Filesize

      56B

      MD5

      4a55a5a5ca857637659220aeb1a91d92

      SHA1

      4c73b21f348ed194dec47bcb0c3a83071be864e8

      SHA256

      0aa9d5a6e2d224e57d44bd4267c6d98479e25b052c878e579cc5d2facbcc601f

      SHA512

      d7ea2948e2c5f60675c08d6a8308cd7c449e1efaef818a24bf0481b8f5a45412a04b5fd580035127bcd052cc754fb948dc947989528ee9a52ce64457ab2eac51

    • C:\Users\Admin\AppData\Roaming\RealNetowrks\Hide_Folder_1.vbs
      Filesize

      169B

      MD5

      3d987aec0fa7269c334d9d52676f7ae6

      SHA1

      c912e179bfcad6b0d10061cfe4eb84bfa069a5f5

      SHA256

      757a187de0343591d7d49a2fa71ef8a8f8325f61df8f2bff905c36d599bdd549

      SHA512

      8ff828024cfdb0db4bc0474ce4b5f00e691c0d9c4193ebd67bb57b4ba7907690e688c6c0a78863a8ece6e244ef21e89c0aa1b7f073146fad0a2b0e59beb58e63

    • memory/224-137-0x0000000000000000-mapping.dmp
    • memory/224-141-0x0000000075420000-0x00000000759D1000-memory.dmp
      Filesize

      5.7MB

    • memory/224-146-0x0000000075420000-0x00000000759D1000-memory.dmp
      Filesize

      5.7MB

    • memory/1520-149-0x0000000000000000-mapping.dmp
    • memory/1520-151-0x0000000000400000-0x000000000048F000-memory.dmp
      Filesize

      572KB

    • memory/1520-152-0x0000000000400000-0x000000000048F000-memory.dmp
      Filesize

      572KB

    • memory/1520-153-0x0000000000400000-0x000000000048F000-memory.dmp
      Filesize

      572KB

    • memory/2012-160-0x0000000000000000-mapping.dmp
    • memory/2264-159-0x0000000000000000-mapping.dmp
    • memory/2516-164-0x0000000000000000-mapping.dmp
    • memory/3156-144-0x0000000000000000-mapping.dmp
    • memory/3156-147-0x0000000075420000-0x00000000759D1000-memory.dmp
      Filesize

      5.7MB

    • memory/3156-166-0x0000000075420000-0x00000000759D1000-memory.dmp
      Filesize

      5.7MB

    • memory/3448-148-0x0000000075420000-0x00000000759D1000-memory.dmp
      Filesize

      5.7MB

    • memory/3448-132-0x0000000075420000-0x00000000759D1000-memory.dmp
      Filesize

      5.7MB

    • memory/3596-143-0x0000000000000000-mapping.dmp
    • memory/4612-140-0x0000000000400000-0x000000000048F000-memory.dmp
      Filesize

      572KB

    • memory/4612-136-0x0000000000400000-0x000000000048F000-memory.dmp
      Filesize

      572KB

    • memory/4612-135-0x0000000000400000-0x000000000048F000-memory.dmp
      Filesize

      572KB

    • memory/4612-134-0x0000000000400000-0x000000000048F000-memory.dmp
      Filesize

      572KB

    • memory/4612-165-0x0000000000400000-0x000000000048F000-memory.dmp
      Filesize

      572KB

    • memory/4612-133-0x0000000000000000-mapping.dmp
    • memory/4644-154-0x0000000000000000-mapping.dmp
    • memory/4644-158-0x0000000075420000-0x00000000759D1000-memory.dmp
      Filesize

      5.7MB

    • memory/4644-167-0x0000000075420000-0x00000000759D1000-memory.dmp
      Filesize

      5.7MB

    • memory/5020-163-0x0000000000000000-mapping.dmp