Overview

overview

8

Static

static

3

31a1a02db3...6N.exe

windows7-x64

8

31a1a02db3...6N.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    119s
  • max time network
    24s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    15/10/2024, 07:45

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General

  • Target

    31a1a02db32cce63d1a1ab09b89a45ddc78d749b1c44582aab6a37e2e7a0bc76N.exe

  • Size

    226KB

  • MD5

    4cd31cb20f74c489cc49c10dc744f910

  • SHA1

    241593b9cd371f65d6519a88fea7ffc97c9b8630

  • SHA256

    31a1a02db32cce63d1a1ab09b89a45ddc78d749b1c44582aab6a37e2e7a0bc76

  • SHA512

    574c6615ae1913e2ec27da3d9996a45431c089f2617fa0a730b1c3d037fcf1497aee1c405698e21dd73a6b0595a06a410801b745099f4c9b3cacb18c73de3d60

  • SSDEEP

    6144:cIs9OKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPFsEPAsKCtZ0:tKofHfHTXQLzgvnzHPowYbvrjD/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 3 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\31a1a02db32cce63d1a1ab09b89a45ddc78d749b1c44582aab6a37e2e7a0bc76N.exe
    "C:\Users\Admin\AppData\Local\Temp\31a1a02db32cce63d1a1ab09b89a45ddc78d749b1c44582aab6a37e2e7a0bc76N.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:2116
    • 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:2912
      • 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:2864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    183B

    MD5

    62b6a9927bbd97588fdccea9215e3b08

    SHA1

    e45b1b8d6abe69f96b12b8c8f7c5f58ad47b964f

    SHA256

    657d37b6ade4256a28b1f6d07eaa856a4cb13260a24e3ae0686bd65c4ebd0cce

    SHA512

    9c0d253f705982bb704ffb69840bdb43b3e895b61ca0dc5d8ae34a8009446c14d039c711cd4c9046a90f196b870b2aafe8702a4fa36f502bf9ead2c12066e924

    Download Submit

  • \Windows\SysWOW64\ctfmen.exe
    Filesize

    4KB

    MD5

    5f211114f3ba1f626b43be104c016faf

    SHA1

    2bc791074f49499a1630f2ed6a7b722889982a48

    SHA256

    5244ee2e8440c0ecbb4768a3e137a552d308e5be1ee01049fe98a05ec4efee53

    SHA512

    526dfd456edb0b32e4c9dc682144394170bc4b46a94166c7d2e36e715f7aa476d43705cb27b6b9542e80a0d025b608b24897f9abd45852caba8353d3cc0e4de9

    Download Submit

  • \Windows\SysWOW64\shervans.dll
    Filesize

    8KB

    MD5

    e6f07ae800ba69f2824da20dac130276

    SHA1

    dd95a99521363e4bba57632f5a3008050cc47b8a

    SHA256

    9c2a4856f94268cfd1ae51330317e2361b667aa8673999d5f303d701dbff676f

    SHA512

    466632a0436c1da02eec6cb9eb2389de9975e08bf18ea9c93e2f6397f4bbfc23cc86ce04e9e3ac70be3cfec3c0aeaf4588aeec503d0c22c37079d84849e2cc0a

    Download Submit

  • \Windows\SysWOW64\smnss.exe
    Filesize

    226KB

    MD5

    c0ce39af720822437664f9eda27e7242

    SHA1

    ae20cb9fe079858b4210cf2cc91bc888acdf1723

    SHA256

    5c4d0cba98c311fe5c9d3d909b063db342e9b203fd66efc95b84a2bd7586e8bf

    SHA512

    c8052e3f9708b1bfee6e1d665c6080c940695c5c168e00f9b84bf6e87b459f483f38b759dd4939afc8674b53907a43260a5d2349f4e92011de58abcaff6a5118

    Download Submit

  • memory/2116-28-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2116-24-0x00000000002D0000-0x00000000002D9000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2116-0-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

    Download

  • memory/2116-27-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

    Download

  • memory/2116-18-0x00000000002D0000-0x00000000002D9000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2116-12-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2864-42-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

    Download

  • memory/2864-43-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2912-31-0x00000000003B0000-0x00000000003E2000-memory.dmp

    Filesize

    200KB

    Download

  • memory/2912-34-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download