Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 13:28

General

  • Target

    db16f294b80c3e14ddbed1ffecce363376e363c4d4318655a103618b44ad6922.exe

  • Size

    203KB

  • MD5

    3e0950e80ecfffd7ae7e266aff2018bd

  • SHA1

    77bd5c50eae58e042e0a7c6608015a5665428894

  • SHA256

    db16f294b80c3e14ddbed1ffecce363376e363c4d4318655a103618b44ad6922

  • SHA512

    ec7f5a0a30e21d65baa947acb1f88085754aa29da49e6c1f89dce8d114579fbf77f1353b98827fb8d0b375dc9ac1e3e586e621e99ec33e485295924109fff379

  • SSDEEP

    3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTO:X2vnSwjaOcADw9cUeCOfc

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db16f294b80c3e14ddbed1ffecce363376e363c4d4318655a103618b44ad6922.exe
    "C:\Users\Admin\AppData\Local\Temp\db16f294b80c3e14ddbed1ffecce363376e363c4d4318655a103618b44ad6922.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\szaxr.exe "C:\Users\Admin\AppData\Local\Temp\db16f294b80c3e14ddbed1ffecce363376e363c4d4318655a103618b44ad6922.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4048
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1488
      • C:\Users\Admin\AppData\Local\Temp\szaxr.exe
        C:\Users\Admin\AppData\Local\Temp\\szaxr.exe "C:\Users\Admin\AppData\Local\Temp\db16f294b80c3e14ddbed1ffecce363376e363c4d4318655a103618b44ad6922.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1416
        • \??\c:\Program Files\fgjymf\shtye.exe
          "c:\Program Files\fgjymf\shtye.exe" "c:\Program Files\fgjymf\shtye.dll",Compliance C:\Users\Admin\AppData\Local\Temp\szaxr.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\fgjymf\shtye.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

  • C:\Users\Admin\AppData\Local\Temp\szaxr.exe

    Filesize

    204KB

    MD5

    3b955376164af59a5fa9c2141f1efde4

    SHA1

    48508f7037214f6bb7f703c88a719c09146d19d4

    SHA256

    751cfc1425e2d19091c5867694e84598fec289ecefa04e883fbb9eaf2f9307a3

    SHA512

    d2226c050b398ac6ee3999e00894fa555b17d11169cf9ff8c1dcde1a45d5f15c57fe1c07a53bc97c2b366e30a4131074cb4bad3206726722387315d85166fa8d

  • \??\c:\Program Files\fgjymf\shtye.dll

    Filesize

    141KB

    MD5

    dd02c34d397bd47c27f56369f17c080e

    SHA1

    ae87b9d32adefab0f72fa6a7918e68833be27ec0

    SHA256

    c8bcd89d7cd5f9ff22f542590a5ae5189c9e2a37ce88822f084e360436d2dca2

    SHA512

    0cee801bfbd26c771e3c0ab0ff472b99f206ccd76167f74246ef6ee268b0aa5ff561b0ff6d7b2061d1f67a70f3d583fe8464b73ab96a5bc9abf3be8f00c57572

  • memory/1416-9-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/1416-8-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/1416-15-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/2948-19-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2948-21-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/2948-25-0x0000000010000000-0x000000001004E000-memory.dmp

    Filesize

    312KB

  • memory/4928-4-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/4928-0-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/4928-1-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB

  • memory/4928-2-0x0000000000400000-0x000000000044901D-memory.dmp

    Filesize

    292KB