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Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09/04/2024, 03:58

General

  • Target

    f7966dfb517e24ae29b2c8d15ac469650fb66383dc8bdc7660b234be17eadc30.exe

  • Size

    56KB

  • MD5

    1e2508e4ee2364ae848d7b6d8b09789b

  • SHA1

    b7c1f4d1c378df6108a03d04ff3e3605fa59a0a9

  • SHA256

    f7966dfb517e24ae29b2c8d15ac469650fb66383dc8bdc7660b234be17eadc30

  • SHA512

    acb03b04f88050683b3dc75bf9cdfc8aac944af4bc82a2e14f86a9784163313c4ec512ec4b9a5b98801352d0cc6fd74bc7d0cd54c15a1496ca1b96b61f9ae527

  • SSDEEP

    1536:Jq5VwWDjDkdTRqHFOn8tIbbeYiuZIFS9b:Jq5ud9qHFO8Kf3rIIb

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 27 IoCs
  • Drops file in Drivers directory 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 19 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7966dfb517e24ae29b2c8d15ac469650fb66383dc8bdc7660b234be17eadc30.exe
    "C:\Users\Admin\AppData\Local\Temp\f7966dfb517e24ae29b2c8d15ac469650fb66383dc8bdc7660b234be17eadc30.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:3064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\grcopy.dll

    Filesize

    56KB

    MD5

    8dc80b43de38d25fa4e33e3d17db454d

    SHA1

    6aa47bf3edc9e9f82be0c4fafd59d26bd59f1092

    SHA256

    4f54596365ed3d27685056bc717e9b4024eb6ea38b7c5bd02b6ded77b08767f3

    SHA512

    3b9e815989f38722100ff72840f7823a049d49dee1881a60f28c8c98eb8fdb0b0d5c913ddbda2e06b9ef0a952f259b196072351bab3ed2c137b8aee4e0d9145a

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    6a8fc608b5419b4b82510e5d722411f9

    SHA1

    aae871340b5a6b130e5b3761c8e230e63198c982

    SHA256

    ba411f50dbfd5978f89b1c8a3b1c3413881510c068cc6468c7f62f65c7343d9c

    SHA512

    b98719f7546a21bc5b9674c1291fad24bd739a9a486dbdd34145e1d5f3e5124576ef4673be3df34e1a9a40231e9ef602b0096b56864e469a4a2cfa47bec77247

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    f1ede3a62000728fc99b98746cc99c5b

    SHA1

    11f93f73d73de509f0183ef0839b2a93c614b55c

    SHA256

    f44a67dec3388c485aad33dbae4eefcea20e49ade0a62b74e506af6e9710bcbc

    SHA512

    0d7e3d0ee4831af74041408628bd680f5d60ea7502a48030c82830dfe648d41af129b8e85d6ef1edc851ba9285cc5af982442f31187fbad37448defa3aba9aa9

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    72854bdeba086953c224961fb3f6ee27

    SHA1

    9e36d2d2f885609db266ad395baf97e84aea0f52

    SHA256

    b2de9ff99f23cff0aa7401b2b0c5b848ace2d7966530efe7ad8d3d1902ce24e7

    SHA512

    85b3252a31f0201408b86d0768d8b2ece3cd897d3a7e54d539cb31513ce7796dc20857e494927adca504aa9bbf541f111efc507aa92e30029ee73b9207827927

  • memory/2768-46-0x0000000000320000-0x0000000000340000-memory.dmp

    Filesize

    128KB

  • memory/2768-32-0x0000000000320000-0x0000000000340000-memory.dmp

    Filesize

    128KB

  • memory/2768-31-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2804-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2804-18-0x0000000000340000-0x0000000000349000-memory.dmp

    Filesize

    36KB

  • memory/2804-24-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2804-12-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2804-27-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2804-25-0x0000000000340000-0x0000000000349000-memory.dmp

    Filesize

    36KB

  • memory/3064-42-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3064-53-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3064-44-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3064-38-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3064-47-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3064-49-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3064-51-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3064-41-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/3064-55-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3064-57-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3064-59-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3064-61-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3064-63-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3064-65-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3064-67-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3064-69-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB