Analysis

  • max time kernel
    120s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 20:26

General

  • Target

    tmp.exe

  • Size

    454KB

  • MD5

    4492c0fed06f47b4e844633e7b56293c

  • SHA1

    c072235414b249c89d2fe05691c2c0af36e54bda

  • SHA256

    711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee

  • SHA512

    bff79c233a9e7459cdd10c5814e511369fa6e3f737ded6ea4ebacbb51fdc012c1bfa01f30e38125db8ea15b809fe6419d8af7b9d6305c7400ae64ae2bfb889b8

  • SSDEEP

    12288:2iB9S1zi63i/LYjQogh7cz3EP4Fn4IWneiS6U:2irSI63iTYkogh4DlKrU

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 11 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2320
    • C:\Users\Admin\AppData\Local\Temp\u1sg.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1sg.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2592
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EGIJEBGDAF.exe"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2192
        • C:\Users\Admin\AppData\Local\Temp\EGIJEBGDAF.exe
          "C:\Users\Admin\AppData\Local\Temp\EGIJEBGDAF.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2648
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\EGIJEBGDAF.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2444
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:2684
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IIECFHDBAA.exe"
        3⤵
          PID:2888
      • C:\Users\Admin\AppData\Local\Temp\u1sg.1.exe
        "C:\Users\Admin\AppData\Local\Temp\u1sg.1.exe"
        2⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2668
        • C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
          "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1812

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\a156d2ee87eeb3012aacff4fcc5518f7fa0b2caa0b97ad5a5e46c2e4fdf8c5f4\267bef2d04a846abbb887a61563a4fb5.tmp

      Filesize

      1KB

      MD5

      53ddb2a1486631b7d75bcc0d6c1944c3

      SHA1

      889038b357490369f1b9c5732a586708bcac5e21

      SHA256

      ae8824887fc409b4ef5e4bb927fe125db1dedc3b1626ff721fef789a3a77c39e

      SHA512

      e8a52a96622742d724cdd35dfbb74baff114f021dbd40fded032da578eb0a761cf98e07aee73f8c2250d7babfc84bcb1f43402de326d682bd2ac4ca0e61a296c

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

      Filesize

      106KB

      MD5

      fe380780b5c35bd6d54541791151c2be

      SHA1

      7fe3a583cf91474c733f85cebf3c857682e269e1

      SHA256

      b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

      SHA512

      ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

    • \ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • \ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • \Users\Admin\AppData\Local\Temp\u1sg.0.exe

      Filesize

      312KB

      MD5

      bdcc90f5922fa5c4d3431a05dddc4dee

      SHA1

      dbc148068e881bcd61c839998f8ecedb7621b44a

      SHA256

      c7357c7eab02c84d5a78daf9d6bcf8159d113a1ea0bde9c3d79f389a78be4211

      SHA512

      f312f0cec92e7c66265d39c86a7092c45f5e558a15c625790ba7b716fda6871d0a3ea8c4cc8eab53076695776d88282c02791b57e9789ba47646ee4f9e2d0868

    • \Users\Admin\AppData\Local\Temp\u1sg.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/1812-172-0x00000000003B0000-0x00000000003BA000-memory.dmp

      Filesize

      40KB

    • memory/1812-174-0x000000001E620000-0x000000001E6A0000-memory.dmp

      Filesize

      512KB

    • memory/1812-156-0x00000000003B0000-0x00000000003BA000-memory.dmp

      Filesize

      40KB

    • memory/1812-176-0x000000001E620000-0x000000001E6A0000-memory.dmp

      Filesize

      512KB

    • memory/1812-175-0x000000001E620000-0x000000001E6A0000-memory.dmp

      Filesize

      512KB

    • memory/1812-173-0x00000000003B0000-0x00000000003BA000-memory.dmp

      Filesize

      40KB

    • memory/1812-150-0x0000000000390000-0x000000000039A000-memory.dmp

      Filesize

      40KB

    • memory/1812-171-0x000000001E620000-0x000000001E6A0000-memory.dmp

      Filesize

      512KB

    • memory/1812-170-0x000007FEF50F0000-0x000007FEF5ADC000-memory.dmp

      Filesize

      9.9MB

    • memory/1812-164-0x000000001E620000-0x000000001E6A0000-memory.dmp

      Filesize

      512KB

    • memory/1812-165-0x0000000000BC0000-0x0000000000BCC000-memory.dmp

      Filesize

      48KB

    • memory/1812-136-0x000007FEF50F0000-0x000007FEF5ADC000-memory.dmp

      Filesize

      9.9MB

    • memory/1812-137-0x0000000000DE0000-0x00000000046D8000-memory.dmp

      Filesize

      57.0MB

    • memory/1812-138-0x000000001E620000-0x000000001E6A0000-memory.dmp

      Filesize

      512KB

    • memory/1812-139-0x000000001EFA0000-0x000000001F0B0000-memory.dmp

      Filesize

      1.1MB

    • memory/1812-141-0x0000000000DC0000-0x0000000000DCC000-memory.dmp

      Filesize

      48KB

    • memory/1812-140-0x0000000000180000-0x0000000000190000-memory.dmp

      Filesize

      64KB

    • memory/1812-142-0x00000000005F0000-0x0000000000604000-memory.dmp

      Filesize

      80KB

    • memory/1812-154-0x000000001FBE0000-0x000000001FEE0000-memory.dmp

      Filesize

      3.0MB

    • memory/1812-147-0x000000001F480000-0x000000001F532000-memory.dmp

      Filesize

      712KB

    • memory/1812-149-0x0000000000550000-0x00000000005B2000-memory.dmp

      Filesize

      392KB

    • memory/1812-148-0x000000001F530000-0x000000001F5AA000-memory.dmp

      Filesize

      488KB

    • memory/1812-146-0x000000001E6A0000-0x000000001E6CA000-memory.dmp

      Filesize

      168KB

    • memory/1812-145-0x0000000005C20000-0x0000000005C2A000-memory.dmp

      Filesize

      40KB

    • memory/1812-143-0x000000001E600000-0x000000001E624000-memory.dmp

      Filesize

      144KB

    • memory/1812-158-0x00000000005E0000-0x00000000005EA000-memory.dmp

      Filesize

      40KB

    • memory/1812-159-0x000000001E620000-0x000000001E6A0000-memory.dmp

      Filesize

      512KB

    • memory/1812-161-0x0000000000BA0000-0x0000000000BC2000-memory.dmp

      Filesize

      136KB

    • memory/1812-160-0x000000001E620000-0x000000001E6A0000-memory.dmp

      Filesize

      512KB

    • memory/2320-1-0x0000000002FE0000-0x00000000030E0000-memory.dmp

      Filesize

      1024KB

    • memory/2320-41-0x0000000002FE0000-0x00000000030E0000-memory.dmp

      Filesize

      1024KB

    • memory/2320-37-0x0000000000400000-0x0000000002B9C000-memory.dmp

      Filesize

      39.6MB

    • memory/2320-2-0x0000000000280000-0x00000000002EC000-memory.dmp

      Filesize

      432KB

    • memory/2320-3-0x0000000000400000-0x0000000002B9C000-memory.dmp

      Filesize

      39.6MB

    • memory/2592-201-0x0000000000400000-0x0000000002B79000-memory.dmp

      Filesize

      39.5MB

    • memory/2592-157-0x0000000002C70000-0x0000000002D70000-memory.dmp

      Filesize

      1024KB

    • memory/2592-122-0x0000000000400000-0x0000000002B79000-memory.dmp

      Filesize

      39.5MB

    • memory/2592-22-0x0000000000400000-0x0000000002B79000-memory.dmp

      Filesize

      39.5MB

    • memory/2592-21-0x0000000000250000-0x0000000000277000-memory.dmp

      Filesize

      156KB

    • memory/2592-20-0x0000000002C70000-0x0000000002D70000-memory.dmp

      Filesize

      1024KB

    • memory/2592-63-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/2592-207-0x0000000002C70000-0x0000000002D70000-memory.dmp

      Filesize

      1024KB

    • memory/2592-191-0x0000000000400000-0x0000000002B79000-memory.dmp

      Filesize

      39.5MB

    • memory/2648-231-0x0000000072C30000-0x000000007331E000-memory.dmp

      Filesize

      6.9MB

    • memory/2648-211-0x0000000000AA0000-0x0000000000AC0000-memory.dmp

      Filesize

      128KB

    • memory/2648-246-0x0000000072C30000-0x000000007331E000-memory.dmp

      Filesize

      6.9MB

    • memory/2648-244-0x00000000041A0000-0x00000000041E0000-memory.dmp

      Filesize

      256KB

    • memory/2668-135-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/2668-123-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/2668-38-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/2888-239-0x00000000024C0000-0x00000000024C1000-memory.dmp

      Filesize

      4KB