Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 22:59

General

  • Target

    21ce3c49defce496a8a0a0cf5d64f41db855def8e92fa51eb216610720050ad4.exe

  • Size

    505KB

  • MD5

    e2123224248f06beb3a00a46b5fa49dd

  • SHA1

    074690f6756106f383eef9d051f707c7e95b9b32

  • SHA256

    21ce3c49defce496a8a0a0cf5d64f41db855def8e92fa51eb216610720050ad4

  • SHA512

    1d9b1f596cb5e78af1d9b0a5627a3000e57cd27b7163243da751f1a98735ad562eb09cf05fcb588373ebe4bf4eeb598b4dec3db42add1a7919f5fbff7f1bf9a4

  • SSDEEP

    6144:jre8uT58rY642SGXvDAgRGe9xEbdHAXnzAMubnYlxhNWG/wRiTIeVf+Utz8:jqx58rYSdke+mnz5sCNT/vXVfnh8

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
  • Checks computer location settings 2 TTPs 4 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 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).

  • Program crash 2 IoCs
  • 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21ce3c49defce496a8a0a0cf5d64f41db855def8e92fa51eb216610720050ad4.exe
    "C:\Users\Admin\AppData\Local\Temp\21ce3c49defce496a8a0a0cf5d64f41db855def8e92fa51eb216610720050ad4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2636
    • C:\Users\Admin\AppData\Local\Temp\u218.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u218.0.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2292
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EGDBFIIECB.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2744
        • C:\Users\Admin\AppData\Local\Temp\EGDBFIIECB.exe
          "C:\Users\Admin\AppData\Local\Temp\EGDBFIIECB.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2380
          • 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\EGDBFIIECB.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:488
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:392
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2292 -s 2408
        3⤵
        • Program crash
        PID:2700
    • C:\Users\Admin\AppData\Local\Temp\u218.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u218.1.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3268
      • 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:5148
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 968
      2⤵
      • Program crash
      PID:2432
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2636 -ip 2636
    1⤵
      PID:4788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2292 -ip 2292
      1⤵
        PID:1876

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Are.docx

        Filesize

        11KB

        MD5

        a33e5b189842c5867f46566bdbf7a095

        SHA1

        e1c06359f6a76da90d19e8fd95e79c832edb3196

        SHA256

        5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

        SHA512

        f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

      • C:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

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

        Filesize

        106KB

        MD5

        fe380780b5c35bd6d54541791151c2be

        SHA1

        7fe3a583cf91474c733f85cebf3c857682e269e1

        SHA256

        b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

        SHA512

        ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

        Filesize

        3KB

        MD5

        fdc293eeb7a7da52a385ceecfbd1c481

        SHA1

        c8a0fb947df267bcdd59669b681105a4952078a2

        SHA256

        a397a7108de8411f374a9033464fae37ccddd4e2e3c4e22d8c69382641aacd25

        SHA512

        8ead1b001e2ded5eb3b069ea443580cc7c8939aaa407f3899f0fc793d031e46b1832aef7517890af44ec04404b7c176cf23a49dd195b2cbfa468b184ca384bb4

      • C:\Users\Admin\AppData\Local\Temp\u218.0.exe

        Filesize

        309KB

        MD5

        f2b7659371eecb4d8b7c08506eb9c9fd

        SHA1

        1bf4395884a5abe31ea417c2c09c6fcf006e4c14

        SHA256

        6fc36b8c227db7dd12779478f486f6e73bc4c66333a66bc8ece2053a3d0574db

        SHA512

        54d0ca489284019dd212815cb541c0bd644f918e1a02184971f73c323c441977c7651a1090efe9c4f2566ab6c665fbd267d56f73af6028e9c694dac793cc6eda

      • C:\Users\Admin\AppData\Local\Temp\u218.1.exe

        Filesize

        4.6MB

        MD5

        397926927bca55be4a77839b1c44de6e

        SHA1

        e10f3434ef3021c399dbba047832f02b3c898dbd

        SHA256

        4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

        SHA512

        cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

      • memory/2292-100-0x0000000000400000-0x000000000063B000-memory.dmp

        Filesize

        2.2MB

      • memory/2292-185-0x0000000000400000-0x000000000063B000-memory.dmp

        Filesize

        2.2MB

      • memory/2292-163-0x0000000000720000-0x0000000000820000-memory.dmp

        Filesize

        1024KB

      • memory/2292-165-0x0000000000400000-0x000000000063B000-memory.dmp

        Filesize

        2.2MB

      • memory/2292-37-0x0000000061E00000-0x0000000061EF3000-memory.dmp

        Filesize

        972KB

      • memory/2292-13-0x0000000000720000-0x0000000000820000-memory.dmp

        Filesize

        1024KB

      • memory/2292-14-0x0000000002240000-0x0000000002267000-memory.dmp

        Filesize

        156KB

      • memory/2292-15-0x0000000000400000-0x000000000063B000-memory.dmp

        Filesize

        2.2MB

      • memory/2380-190-0x0000000071A00000-0x00000000721B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2380-186-0x0000000005500000-0x0000000005510000-memory.dmp

        Filesize

        64KB

      • memory/2380-184-0x0000000071A00000-0x00000000721B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2380-183-0x0000000000B30000-0x0000000000B50000-memory.dmp

        Filesize

        128KB

      • memory/2636-2-0x0000000000740000-0x00000000007AC000-memory.dmp

        Filesize

        432KB

      • memory/2636-1-0x00000000007B0000-0x00000000008B0000-memory.dmp

        Filesize

        1024KB

      • memory/2636-31-0x0000000000400000-0x000000000048D000-memory.dmp

        Filesize

        564KB

      • memory/2636-32-0x0000000000740000-0x00000000007AC000-memory.dmp

        Filesize

        432KB

      • memory/2636-3-0x0000000000400000-0x000000000048D000-memory.dmp

        Filesize

        564KB

      • memory/3268-101-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3268-132-0x0000000000400000-0x00000000008AD000-memory.dmp

        Filesize

        4.7MB

      • memory/3268-26-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

        Filesize

        4KB

      • memory/5148-153-0x00000263B6CA0000-0x00000263B6D02000-memory.dmp

        Filesize

        392KB

      • memory/5148-164-0x00000263B7230000-0x00000263B7238000-memory.dmp

        Filesize

        32KB

      • memory/5148-149-0x000002639C740000-0x000002639C74A000-memory.dmp

        Filesize

        40KB

      • memory/5148-151-0x00000263B6810000-0x00000263B68C2000-memory.dmp

        Filesize

        712KB

      • memory/5148-154-0x00000263B6D80000-0x00000263B6DF6000-memory.dmp

        Filesize

        472KB

      • memory/5148-152-0x00000263B6C20000-0x00000263B6C9A000-memory.dmp

        Filesize

        488KB

      • memory/5148-160-0x00000263B6E00000-0x00000263B7100000-memory.dmp

        Filesize

        3.0MB

      • memory/5148-155-0x000002639C750000-0x000002639C75A000-memory.dmp

        Filesize

        40KB

      • memory/5148-144-0x000002639ADF0000-0x000002639AE14000-memory.dmp

        Filesize

        144KB

      • memory/5148-168-0x00000263B7170000-0x00000263B71A8000-memory.dmp

        Filesize

        224KB

      • memory/5148-169-0x00000263B7140000-0x00000263B714E000-memory.dmp

        Filesize

        56KB

      • memory/5148-167-0x00000263B6610000-0x00000263B6620000-memory.dmp

        Filesize

        64KB

      • memory/5148-170-0x00000263B7250000-0x00000263B725A000-memory.dmp

        Filesize

        40KB

      • memory/5148-171-0x00000263B7260000-0x00000263B7282000-memory.dmp

        Filesize

        136KB

      • memory/5148-143-0x000002639AD90000-0x000002639ADA4000-memory.dmp

        Filesize

        80KB

      • memory/5148-166-0x00000263B6610000-0x00000263B6620000-memory.dmp

        Filesize

        64KB

      • memory/5148-172-0x00000263BC4A0000-0x00000263BC9C8000-memory.dmp

        Filesize

        5.2MB

      • memory/5148-150-0x00000263B65A0000-0x00000263B65CA000-memory.dmp

        Filesize

        168KB

      • memory/5148-162-0x00000263B6610000-0x00000263B6620000-memory.dmp

        Filesize

        64KB

      • memory/5148-176-0x00000263B7280000-0x00000263B728C000-memory.dmp

        Filesize

        48KB

      • memory/5148-175-0x00000263B72D0000-0x00000263B7320000-memory.dmp

        Filesize

        320KB

      • memory/5148-140-0x00000263B69D0000-0x00000263B6AE0000-memory.dmp

        Filesize

        1.1MB

      • memory/5148-141-0x000002639AD40000-0x000002639AD50000-memory.dmp

        Filesize

        64KB

      • memory/5148-142-0x000002639ADE0000-0x000002639ADEC000-memory.dmp

        Filesize

        48KB

      • memory/5148-139-0x00000263B6610000-0x00000263B6620000-memory.dmp

        Filesize

        64KB

      • memory/5148-135-0x0000026397060000-0x000002639A958000-memory.dmp

        Filesize

        57.0MB

      • memory/5148-189-0x00000263B7320000-0x00000263B7342000-memory.dmp

        Filesize

        136KB

      • memory/5148-134-0x00007FF8BD2C0000-0x00007FF8BDD81000-memory.dmp

        Filesize

        10.8MB

      • memory/5148-191-0x00000263B7350000-0x00000263B736E000-memory.dmp

        Filesize

        120KB

      • memory/5148-193-0x00007FF8BD2C0000-0x00007FF8BDD81000-memory.dmp

        Filesize

        10.8MB

      • memory/5148-194-0x00000263B6610000-0x00000263B6620000-memory.dmp

        Filesize

        64KB

      • memory/5148-195-0x00000263B6610000-0x00000263B6620000-memory.dmp

        Filesize

        64KB

      • memory/5148-196-0x00000263B6610000-0x00000263B6620000-memory.dmp

        Filesize

        64KB

      • memory/5148-197-0x00000263B6610000-0x00000263B6620000-memory.dmp

        Filesize

        64KB