Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2024, 05:29

General

  • Target

    2e4a36357385e9f9b331dc7ef81fb43a17399615ba87f4b58cbbe5b7a53d071aN.exe

  • Size

    352KB

  • MD5

    6daa35d2821771012e4732c47f46a950

  • SHA1

    2e87c270b323f471c0c3337b77f4f5029ba3c4b7

  • SHA256

    2e4a36357385e9f9b331dc7ef81fb43a17399615ba87f4b58cbbe5b7a53d071a

  • SHA512

    00fec3349bbc1f3a199fb4202f5487f69aad0a3b3bf5a515efb05222b30790f99991a2225c6e49961dd65fe94f375cc97245e44d60bdbb00390d894a7ccf6e9c

  • SSDEEP

    6144:hIs9OKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPFsEPAsKCe8i:YKofHfHTXQLzgvnzHPowYbvrjD/L7QPs

Malware Config

Signatures

  • 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 3 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
  • 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 WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e4a36357385e9f9b331dc7ef81fb43a17399615ba87f4b58cbbe5b7a53d071aN.exe
    "C:\Users\Admin\AppData\Local\Temp\2e4a36357385e9f9b331dc7ef81fb43a17399615ba87f4b58cbbe5b7a53d071aN.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2888
    • 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:1048
      • 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
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:3060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    55a08d05de358b267b12ce78ef9cca61

    SHA1

    ae891481af165d1b6fb736b9a0206fb73a89bfdc

    SHA256

    2fee33837f499aeab2bf7ed2eae4eff6976105552edd25a061cf1928fc17cb67

    SHA512

    9ef727bee3015f846d40799d2fe0d77e4257a26d7f82dfedbb07fabe4155b20ebe00e63537ad359068054b91854588f0418351d4102beb9c1822971cbb306bba

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    df91fa9dad718bc8e4eb53df304e76e9

    SHA1

    73c35acc67d131dc9f46dc0eafdafc1425eab34f

    SHA256

    1063ff5d253b1089ba83bf86534894b216eb54921f92f7a0653455be4a4b60d4

    SHA512

    8302ee16c26a76c8e64951e294e68bbeaec4af4bc639fba6e46febf351373a53a54bb60f1ebfac3de169e0897bd9556e26d8e761fd1a244f128d1d06e0e00674

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    d2b121a29f7dcf4d786183fcca218ce9

    SHA1

    d33a86b0b721fc8cbd7e4279d639f166dee8951d

    SHA256

    f7bbb31d855e68d0bc9826c2006a47af324d281a9f376b8e1578c1e061ab15e4

    SHA512

    c68c9ecb6af27b5179dd8e0c2b75109756f88887e1e2caa66f51f4335a34137881838a19a27ff71c854d0fe497d9fd2013436bc7d2ad5fb41de360f9c4236089

  • \Windows\SysWOW64\smnss.exe

    Filesize

    352KB

    MD5

    a690baf508a5231888fce6292e349125

    SHA1

    d0503af5f97aa843507ba85bd29bf0be77bce8d3

    SHA256

    6566538a2a91780b90542a5d6b3906104e579a6fa6a1542da3abe0912c529061

    SHA512

    11621fad5d2fcaf6b8fc3aa7c78e5ea4e2135c58d62c41ff4ebb7a88e11a7189087e2d4d5d3c2958b93fb7eafbb504febc5084855b8c1920f705133f6bdaf45f

  • memory/1048-33-0x0000000000320000-0x0000000000380000-memory.dmp

    Filesize

    384KB

  • memory/1048-28-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2888-27-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2888-26-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2888-0-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/2888-18-0x0000000000350000-0x0000000000359000-memory.dmp

    Filesize

    36KB

  • memory/2888-12-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/3060-35-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/3060-41-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/3060-43-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/3060-44-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB