Overview

overview

8

Static

static

3

3b709e0b51...0N.exe

windows7-x64

8

3b709e0b51...0N.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2024 02:33

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General

  • Target

    3b709e0b51a88c065fd3ce94b273a8c0N.exe

  • Size

    352KB

  • MD5

    3b709e0b51a88c065fd3ce94b273a8c0

  • SHA1

    760e3d96d374742cdd79885e45130ec7099edbfa

  • SHA256

    c5743e160fc577de7420d7f7986f72d28269404f4a8593b0cc98da2ce7512c68

  • SHA512

    b6caad0b2ff0432ad9589bbaf1ef21f496fce80fc1e3238e6f216d949c25649f714fe238e874314a3b1533bab827b486f8df5d417d1984c45568c16014bccadf

  • SSDEEP

    6144:IIs9OKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPFsEPAsKCe8i:RKofHfHTXQLzgvnzHPowYbvrjD/L7QPs

Score
8/10
discoverypersistencespywarestealer

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 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • 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.

    discovery
  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b709e0b51a88c065fd3ce94b273a8c0N.exe
    "C:\Users\Admin\AppData\Local\Temp\3b709e0b51a88c065fd3ce94b273a8c0N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2280
    • 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:2260
      • 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:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\satornas.dll
    Filesize

    183B

    MD5

    72c5743fc3a49eadff4f9a3df16cf68e

    SHA1

    d9288ea43a5135ed5a24b081ffabf034df7bb42c

    SHA256

    c32f0e5aac6ad5027f2ddf3af61f6416e10bef8548624ac2a136e9c1141ec326

    SHA512

    eb33dfd65d701282d7005d2598037fd423e8bfa7d18ab70649e8bce3ce54dd2ce0202958c459cc48a28e46c7d8ca28039af89ea800070020137858f1e8a10307

    Download Submit

  • \Windows\SysWOW64\ctfmen.exe
    Filesize

    4KB

    MD5

    6d4e93c64bdbdcd0a8d10007d7dd120c

    SHA1

    6da29e4838eef4c58a02903cdae411e0b9297c17

    SHA256

    4c4b43793196cafe954ec72bca388604f866773789f6180e4a469bad45b74e0d

    SHA512

    7a15cc8326ae14610523fe8e4156787e1f0ee2adadf5d8a258e3276620ba44ce178bbbdf19032b6426aa479904c2718531a41c4d79da8a2fb555412a03bb923f

    Download Submit

  • \Windows\SysWOW64\shervans.dll
    Filesize

    8KB

    MD5

    64cf557bb85144ee50264038c11961c4

    SHA1

    75ae30cd1a011a2b4d9bf6bc66ba82f46803ef8d

    SHA256

    534781baa42d420ae93621b19fc32096ce815f033898f7d58daaf76262da1edd

    SHA512

    58524229c5038c91c73c7212a1843c28829a9490a142342ad84dedaa859d2362ad70beecb6bff0ea588649472177c73a6c64b68e427a2d526d236c28adaba395

    Download Submit

  • \Windows\SysWOW64\smnss.exe
    Filesize

    352KB

    MD5

    1a0ecb06749735c89493e18434787957

    SHA1

    6df5ff0018bf4001f96d44eeea3b19a0d769a1a8

    SHA256

    792222bcf2616012d8b02546911f2454ae464220f3f77b2c545d55bbb36f6265

    SHA512

    5a484f01d6d97e619943130d930bca37fcb3f24011dce033ada0b64ddb1dc8ada1e28398759b40cfcc977371ff4f889e5fb41b425a7b5d5f5839fa23883b2aa2

    Download Submit

  • memory/2260-31-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2280-26-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

    Download

  • memory/2280-0-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

    Download

  • memory/2280-25-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2280-19-0x00000000002D0000-0x00000000002D9000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2280-12-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2716-33-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

    Download

  • memory/2716-40-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2716-43-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

    Download