Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2024 02:07

General

  • Target

    b31f93b079aa517c224c70573f72bd3388bf63ab9207d91be06184da2effc804.exe

  • Size

    787KB

  • MD5

    2bd696fece82bddca42e869a95fd375c

  • SHA1

    f07b50131f06aa5732670c75f7dfeb9b352eec85

  • SHA256

    b31f93b079aa517c224c70573f72bd3388bf63ab9207d91be06184da2effc804

  • SHA512

    777cc9dee39eccd4318ad9653f03f738dd1bebfe456b027b6fc4f60b5f400c8f037dfbeec50ce3bba4246d37f1db4203c63b76a668e35c5359c8eeed6594ce3f

  • SSDEEP

    12288:nMrey90xSj/AAHlgA5mfCkk/YlDJ+Ty4+OKqNRCuCD3aD1wdjfrxrLhby8ZqeLna:Ny3N5mCkk/YlDJsCbD3apwrlLoJUa

Malware Config

Extracted

Family

redline

Botnet

norm

C2

77.91.124.145:4125

Attributes
  • auth_value

    1514e6c0ec3d10a36f68f61b206f5759

Extracted

Family

redline

Botnet

diza

C2

77.91.124.145:4125

Attributes
  • auth_value

    bbab0d2f0ae4d4fdd6b17077d93b3e80

Signatures

  • Detects Healer an antivirus disabler dropper 17 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Healer family
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 5 IoCs
  • Redline family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b31f93b079aa517c224c70573f72bd3388bf63ab9207d91be06184da2effc804.exe
    "C:\Users\Admin\AppData\Local\Temp\b31f93b079aa517c224c70573f72bd3388bf63ab9207d91be06184da2effc804.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3496
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un756330.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un756330.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2160
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2456.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2456.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3508
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 1076
          4⤵
          • Program crash
          PID:4088
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8936.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8936.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3444
        • C:\Windows\Temp\1.exe
          "C:\Windows\Temp\1.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2736
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3444 -s 1516
          4⤵
          • Program crash
          PID:5888
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si072130.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si072130.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5628
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3508 -ip 3508
    1⤵
      PID:4236
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3444 -ip 3444
      1⤵
        PID:6072

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si072130.exe

        Filesize

        168KB

        MD5

        4ee6ed61d703a91114893c122b30fd76

        SHA1

        9efd908908c2d3f2c180b4c1023d55ba51651974

        SHA256

        f0f46440f151f372067f16d94785101db9e0015b1c403d299af8293e09916f1e

        SHA512

        510bc9c419c4c8f56c92671ccea5d9cbc89c0491cedc65d3f7f7cd1268b24f7149a6b5acac3957a6adcf2f27b50817a22e3ff7bbf636ef365dbdec091db07409

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un756330.exe

        Filesize

        633KB

        MD5

        413b9e245b6c5bc8239e4ec843d517b2

        SHA1

        ba4332735614f58e52998208b8902582a00f810b

        SHA256

        ed25b421e2f8a1934907847b2440d994a81a948e4f0507ae67d2b14e20494ce0

        SHA512

        d6e61e92a7eb140e3eca6e044346f7f6c6055233a1524a4fbaffbb5c94caf6c5a04b28bc8d520911a6431ca1bceec053918438b700bedb23f2adf65ee9ebbc90

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro2456.exe

        Filesize

        230KB

        MD5

        b899ceeded3f20cb34393c5084712ea1

        SHA1

        e1a29019e2ba25715961a9bc72578d5aadf097e6

        SHA256

        27cd234f256a3d943549ba4be946021809c9a5f0ee680d3791ca6953cb6eea4e

        SHA512

        28dd1878b5563ff1257fe18a4b4f76fa5cf1a08106b24cd9b88ad0d541e5b3d85572e06f2ec39de3300d8ef9206712a1c42848d21464725d89e63dd7b206313a

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8936.exe

        Filesize

        414KB

        MD5

        39f1521586cf8af12fdc3ccb4ebe5236

        SHA1

        a0d2d32bcfbe832b7de3ff0f22e1181488e74a06

        SHA256

        9e25eae278545d0075b758c6f617eed6a56c15b024eb251204b374cea5273331

        SHA512

        74e9870b9812f742387d2a1e6249dea56f1e2d663c633e730635207bdd4439d943e49080ba8a7b2ba6d3ade12c12b54e15cb1a5675c1073ae7810b14ae931953

      • C:\Windows\Temp\1.exe

        Filesize

        168KB

        MD5

        1073b2e7f778788852d3f7bb79929882

        SHA1

        7f5ca4d69e0fcaf8fe6de2e80455a8b90eb6e2c4

        SHA256

        c46ef7b768c697e57d379ddfdfd3fb4931bf3d535730ef60feca9332e7a19feb

        SHA512

        90cacc509128f9dfb4d96ae9e847ed61b2062297f39d03f481fb1f798b45b36a2d3a8fe2e6415bdc8ce363cf21decee5a9e080f23270395712da1fea9f4952d0

      • memory/2736-2162-0x0000000005500000-0x000000000554C000-memory.dmp

        Filesize

        304KB

      • memory/2736-2161-0x0000000005380000-0x00000000053BC000-memory.dmp

        Filesize

        240KB

      • memory/2736-2159-0x00000000053F0000-0x00000000054FA000-memory.dmp

        Filesize

        1.0MB

      • memory/2736-2160-0x0000000005320000-0x0000000005332000-memory.dmp

        Filesize

        72KB

      • memory/2736-2158-0x0000000005900000-0x0000000005F18000-memory.dmp

        Filesize

        6.1MB

      • memory/2736-2157-0x00000000051C0000-0x00000000051C6000-memory.dmp

        Filesize

        24KB

      • memory/2736-2156-0x00000000009A0000-0x00000000009D0000-memory.dmp

        Filesize

        192KB

      • memory/3444-74-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-82-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-2143-0x0000000005400000-0x0000000005432000-memory.dmp

        Filesize

        200KB

      • memory/3444-68-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-70-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-72-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-76-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-78-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-84-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-86-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-88-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-90-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-92-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-94-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-96-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-80-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-63-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-64-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3444-61-0x0000000004B40000-0x0000000004BA6000-memory.dmp

        Filesize

        408KB

      • memory/3444-62-0x00000000051B0000-0x0000000005216000-memory.dmp

        Filesize

        408KB

      • memory/3444-66-0x00000000051B0000-0x000000000520F000-memory.dmp

        Filesize

        380KB

      • memory/3508-35-0x00000000025F0000-0x0000000002602000-memory.dmp

        Filesize

        72KB

      • memory/3508-51-0x0000000000580000-0x00000000005AD000-memory.dmp

        Filesize

        180KB

      • memory/3508-43-0x00000000025F0000-0x0000000002602000-memory.dmp

        Filesize

        72KB

      • memory/3508-52-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/3508-37-0x00000000025F0000-0x0000000002602000-memory.dmp

        Filesize

        72KB

      • memory/3508-50-0x0000000000730000-0x0000000000830000-memory.dmp

        Filesize

        1024KB

      • memory/3508-22-0x00000000025F0000-0x0000000002602000-memory.dmp

        Filesize

        72KB

      • memory/3508-23-0x00000000025F0000-0x0000000002602000-memory.dmp

        Filesize

        72KB

      • memory/3508-25-0x00000000025F0000-0x0000000002602000-memory.dmp

        Filesize

        72KB

      • memory/3508-27-0x00000000025F0000-0x0000000002602000-memory.dmp

        Filesize

        72KB

      • memory/3508-29-0x00000000025F0000-0x0000000002602000-memory.dmp

        Filesize

        72KB

      • memory/3508-41-0x00000000025F0000-0x0000000002602000-memory.dmp

        Filesize

        72KB

      • memory/3508-45-0x00000000025F0000-0x0000000002602000-memory.dmp

        Filesize

        72KB

      • memory/3508-33-0x00000000025F0000-0x0000000002602000-memory.dmp

        Filesize

        72KB

      • memory/3508-55-0x0000000000400000-0x00000000004A8000-memory.dmp

        Filesize

        672KB

      • memory/3508-56-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/3508-31-0x00000000025F0000-0x0000000002602000-memory.dmp

        Filesize

        72KB

      • memory/3508-39-0x00000000025F0000-0x0000000002602000-memory.dmp

        Filesize

        72KB

      • memory/3508-47-0x00000000025F0000-0x0000000002602000-memory.dmp

        Filesize

        72KB

      • memory/3508-49-0x00000000025F0000-0x0000000002602000-memory.dmp

        Filesize

        72KB

      • memory/3508-21-0x00000000025F0000-0x0000000002608000-memory.dmp

        Filesize

        96KB

      • memory/3508-20-0x0000000004AE0000-0x0000000005084000-memory.dmp

        Filesize

        5.6MB

      • memory/3508-19-0x0000000002360000-0x000000000237A000-memory.dmp

        Filesize

        104KB

      • memory/3508-18-0x0000000000400000-0x00000000004A8000-memory.dmp

        Filesize

        672KB

      • memory/3508-17-0x0000000000400000-0x0000000000430000-memory.dmp

        Filesize

        192KB

      • memory/3508-16-0x0000000000580000-0x00000000005AD000-memory.dmp

        Filesize

        180KB

      • memory/3508-15-0x0000000000730000-0x0000000000830000-memory.dmp

        Filesize

        1024KB

      • memory/5628-2167-0x0000000000D70000-0x0000000000D9E000-memory.dmp

        Filesize

        184KB

      • memory/5628-2168-0x0000000003000000-0x0000000003006000-memory.dmp

        Filesize

        24KB