Analysis

  • max time kernel
    120s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-10-2024 06:42

General

  • Target

    3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe

  • Size

    2.3MB

  • MD5

    8834f733c6f453b90c96ccae549de200

  • SHA1

    154b1b87dca936784a3c618b1f1d1bc0eff05d87

  • SHA256

    3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8

  • SHA512

    187c3923210dd9de13ec0a154a045d74b10e52b0fdc04100940d5c7fe3b34388e066735507a721ae89c140002bfbadd567a3cb8e97a07062a401ee1640676f70

  • SSDEEP

    49152:ojvk2d9rJpNJ6jUFdXaDoIHmXMupzh72lxakn2YpHdy4ZBgIoooNe:orkI9rSjA5aDo73pzF2bz3p9y4HgIoov

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 9 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Maps connected drives based on registry 3 TTPs 6 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 12 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe
    "C:\Users\Admin\AppData\Local\Temp\3bdf9239d1f72a8c469c93c77bad95798a619a6fa178cfb8af1029ffc72a1ea8N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1564
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2828
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2828 -s 988
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:1908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    d90d3792f6e6b0340904bffd8ec2adfb

    SHA1

    18b8c511af1e14cef2f16eb36f4c5120fd3d0e7c

    SHA256

    6c93fcba2c4eb6296cd7e810f9a0aae1c511d1db32a048c3d08a496299f110c8

    SHA512

    c80ab24bdc6364a410e4e179fa9085ab2658fe4e920b8e827050fc2ee590bb89be4fd2ffdfde61db456ba818cca9ea26b8b46ce7e4e5986bd414be8f06593774

  • C:\Windows\SysWOW64\smnss.exe

    Filesize

    2.3MB

    MD5

    62e1554c60a0168d5c7100d65b6adc2e

    SHA1

    c36e6d6a91bc829f72749d1981634ec07ed4a97d

    SHA256

    66e49c0f55d56acc5738a9d9178e3f4427181c5a61483a1726167c0c8313e4e7

    SHA512

    30cbf87be8807ef370b80d2b11a20e2fc6a3a9026952282beb9d75362a66dfcc14dbb4c7546f5bc572d2d369eb94fedf355ad02ea950a4cbef4e2c9ef379dd00

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    b42ea281a9e87206791395b0df9f8cdb

    SHA1

    622d2e8c432582c21733747e50a8395d20a37cea

    SHA256

    ff7eeacdd05ac50a0b0127e8eb258bda8a90e79a795d712bba1ef9a34a6254df

    SHA512

    a6c1c0ba6e1b5a27848907d9c24690e8c48b4d5da1198dcb3c50c28413e9608dac328a6d34a0ac68276644d5f28458551c21fc44d906361c6a08455dbfc9249a

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    34279c82148ecede3f0c6a29f81dc722

    SHA1

    a9c16551c84c8431fd0c7f5adc90aa90dd411dc3

    SHA256

    e088c197bc662d892872224f28684497a728c4478a8033e8c8d7726bbcac1620

    SHA512

    79d82ae1679959cebe187244f37b34737ae09362e3a9af71be3995a5b8d76681a23b56cacc33d5ca1b3c01017a9b811d2e8b6f450cb3f1e0972c2a42bd7d7587

  • memory/1564-32-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2688-25-0x0000000001360000-0x0000000001369000-memory.dmp

    Filesize

    36KB

  • memory/2688-24-0x0000000001360000-0x0000000001369000-memory.dmp

    Filesize

    36KB

  • memory/2688-29-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2688-30-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2688-0-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2688-31-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2688-13-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2688-2-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2828-45-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2828-39-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2828-38-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2828-47-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2828-48-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

    Filesize

    3.8MB

  • memory/2828-50-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2828-49-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2828-51-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/2828-56-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB