Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-09-2024 08:04

General

  • Target

    26aafd22341f603cbc8f27be3e929670N.exe

  • Size

    2.3MB

  • MD5

    26aafd22341f603cbc8f27be3e929670

  • SHA1

    9bb383c4376551d181a8481b9d73424a08d88739

  • SHA256

    6940cf3612570fb09d58cc23a64fbe99ba460f0a4a59fcc393adbdec274f7077

  • SHA512

    633233e5eb0a9ee9248fe147d81b94095b23cb3aca2dbfd9ffd79ff0c3d29b9653843b44c8de4dbdd9582892f895906c7646e77ba86d90fcaaa94098bf9ae67a

  • SSDEEP

    49152:Djvk2d9rJpNJ6jUFdXaDoIHmXMupzh72lxakn2YpHdy4ZBgIoooNe:DrkI9rSjA5aDo73pzF2bz3p9y4HgIoov

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 2 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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 14 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\26aafd22341f603cbc8f27be3e929670N.exe
    "C:\Users\Admin\AppData\Local\Temp\26aafd22341f603cbc8f27be3e929670N.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:4464
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1984
      • 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
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    3ecbc030f30e982dbfca6c6b33de45c9

    SHA1

    d832b8539a0bfb18409b3ea0f542e8eedc8fe0c6

    SHA256

    d62d4cf533aeb3fdada3fb705ee6d4581e3578045a4b4efff20b8abb4ea5ad2e

    SHA512

    70a26963ff35389b465906155391b3d085258ff8fa1a657db74dece5998ce16686f4f88104e3f5b0ba697c66008f1547966105a83a62e0b9403ac9fdfbda34aa

  • C:\Windows\SysWOW64\grcopy.dll

    Filesize

    2.3MB

    MD5

    0cdc021300a34def3cb851d97bffc80c

    SHA1

    293edcb872ea3f6005bd13452b80ba3a8ea3c96b

    SHA256

    92780b193226d7c5d63bb7c07f282f2bf293df0408dc255743850a9223bd83d3

    SHA512

    70aabf7af991f091902736e04b1267328c587f37d52117bd3b5186fb9ffd4f2a42d06d430a5390bae2b3e075b5616821d64c37f5b65ea8e0acea85422d04f96d

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    95b26dd6467588569f01ade6da211ddf

    SHA1

    2189805efb729d0da3a584c2cd4f7c6c94d3f1fe

    SHA256

    62c5a4af81bb11a4a9f924b6777e750d80c16a33237420becf53b47bd4504281

    SHA512

    ee5a67a10ffac63668cbfe354321919a6a5dc201b70764580c423936b9ae565f2c93bcc07873f90048dd34c38ade383bff684c122efd50b40b427b3012b35e51

  • C:\Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    308c3a0929b73040cf7af63f425d7c09

    SHA1

    08282787b7c5ba026ec3e127b1f06d5bd01d892f

    SHA256

    a192c3f44731f61115de4e479701227c07309bceea902ba25b6cfeb27206b60c

    SHA512

    85b362cca99198d72151e3f20b426c165398c5beac2e387e7d3915e74066947daf09f01206be3e2093739198017944fcdfe7413bac4aa76ee9c7d93ad117bbf9

  • memory/1984-23-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1984-30-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4464-24-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4464-1-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/4464-31-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/4464-0-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4464-14-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/4464-27-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/4900-43-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/4900-49-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4900-33-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/4900-41-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4900-44-0x000000007FA70000-0x000000007FE41000-memory.dmp

    Filesize

    3.8MB

  • memory/4900-32-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4900-42-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4900-45-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4900-47-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4900-39-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/4900-51-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4900-53-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4900-55-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4900-57-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4900-59-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4900-61-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB

  • memory/4900-63-0x0000000000400000-0x0000000000DCE000-memory.dmp

    Filesize

    9.8MB