Analysis

  • max time kernel
    149s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 11:27

General

  • Target

    f047245ab51de5214c3261f783d35cbf8f0433b2ceffa565aba3d71b25be579a.exe

  • Size

    68KB

  • MD5

    7691aa28003988f89e254ed84d0d89a7

  • SHA1

    4db0424907adeab1f71ca061a53fe52feddcd1bf

  • SHA256

    f047245ab51de5214c3261f783d35cbf8f0433b2ceffa565aba3d71b25be579a

  • SHA512

    c588fd8d211c1fa011bf515af4b849e2a9419bb6a243f2aaef116dd3311269a9d64391a274df6589118a94a2922360e9a0c56d734f85870ca2ac51fcf48b8153

  • SSDEEP

    1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8MI:Olg35GTslA5t3/w8MI

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Windows security modification 2 TTPs 4 IoCs
  • Indicator Removal: Clear Persistence 1 TTPs 1 IoCs

    remove IFEO.

  • Modifies WinLogon 2 TTPs 5 IoCs
  • Drops file in System32 directory 9 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:432
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1216
        • C:\Users\Admin\AppData\Local\Temp\f047245ab51de5214c3261f783d35cbf8f0433b2ceffa565aba3d71b25be579a.exe
          "C:\Users\Admin\AppData\Local\Temp\f047245ab51de5214c3261f783d35cbf8f0433b2ceffa565aba3d71b25be579a.exe"
          2⤵
          • Loads dropped DLL
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2516
          • C:\Windows\SysWOW64\rmaxon.exe
            "C:\Windows\system32\rmaxon.exe"
            3⤵
            • Windows security bypass
            • Boot or Logon Autostart Execution: Active Setup
            • Event Triggered Execution: Image File Execution Options Injection
            • Executes dropped EXE
            • Loads dropped DLL
            • Windows security modification
            • Indicator Removal: Clear Persistence
            • Modifies WinLogon
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2300
            • C:\Windows\SysWOW64\rmaxon.exe
              --k33p
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              PID:1908

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\axcisux-odor.dll

        Filesize

        5KB

        MD5

        f37b21c00fd81bd93c89ce741a88f183

        SHA1

        b2796500597c68e2f5638e1101b46eaf32676c1c

        SHA256

        76cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0

        SHA512

        252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4

      • C:\Windows\SysWOW64\erxofuf.exe

        Filesize

        71KB

        MD5

        9d0843aac08724baccb1534403d1bc74

        SHA1

        cbf943201a1ef2cbf052837631a53bbbc1bf39fe

        SHA256

        20d68fa76798b9d286977c08420375357e56841b69005131c9cca0728b4b56f5

        SHA512

        01933582a8f8c0f0df88ec41e3bf5c694ebe362d5034f93ed8f8f27eeead5205421fd9ae3de266e19df28a456b9ed2e2e534f8cff5658bbfd50f2e01af07b9a8

      • C:\Windows\SysWOW64\rmaxon.exe

        Filesize

        68KB

        MD5

        7691aa28003988f89e254ed84d0d89a7

        SHA1

        4db0424907adeab1f71ca061a53fe52feddcd1bf

        SHA256

        f047245ab51de5214c3261f783d35cbf8f0433b2ceffa565aba3d71b25be579a

        SHA512

        c588fd8d211c1fa011bf515af4b849e2a9419bb6a243f2aaef116dd3311269a9d64391a274df6589118a94a2922360e9a0c56d734f85870ca2ac51fcf48b8153

      • C:\Windows\SysWOW64\udgerub.exe

        Filesize

        70KB

        MD5

        3e20ee5aa9b86b76bed5ed6f3adeec35

        SHA1

        6a205c38a50bcfa5e793a98460e6fa4a704c8ff2

        SHA256

        81981be0eafc80108b008430bd2e0a38ca0105995171ca0a883db20614c3952d

        SHA512

        97afa37ca481bd5985d6dd1598744cbff0d7b560b82ab0da73f6d7a021a4a1d063c5291df3e2b0d26b4e076ca26e784ec11d2c889c6b26160ff84bec6d016a67

      • memory/1908-53-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2300-52-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB

      • memory/2516-9-0x0000000000400000-0x0000000000414000-memory.dmp

        Filesize

        80KB