Analysis

  • max time kernel
    146s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 16:45

General

  • Target

    8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exe

  • Size

    454KB

  • MD5

    0f9720c49280fc4ecc81863b03585c8e

  • SHA1

    aeba660629df570abdf529890be2448012ae76fa

  • SHA256

    8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475

  • SHA512

    22e201bb436fdd0a69fe8a4dca3d24d7faaeec47ef2dd214495001c601d60cf2fb3e4372c575a3617fb77e2dc06010b66d1cf526f60ab1cb8486675846b67a29

  • SSDEEP

    12288:2iB9S1zi63i/LYjQogh7cz3EP4Fn4IWneiS6V:2irSI63iTYkogh4DlKrV

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 40 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\8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exe
    "C:\Users\Admin\AppData\Local\Temp\8b56269f74a26517b0f08571bbffa96b76ce989af34676bd3b90a0938b911475.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4396
    • C:\Users\Admin\AppData\Local\Temp\u3e4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3e4.0.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:3044
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AFCFHDHIII.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5452
        • C:\Users\Admin\AppData\Local\Temp\AFCFHDHIII.exe
          "C:\Users\Admin\AppData\Local\Temp\AFCFHDHIII.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:5520
          • 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\AFCFHDHIII.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:5652
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:5708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 2348
        3⤵
        • Program crash
        PID:5528
    • C:\Users\Admin\AppData\Local\Temp\u3e4.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3e4.1.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:3996
      • 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:932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 1144
      2⤵
      • Program crash
      PID:1432
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3644 --field-trial-handle=2288,i,10301911031503898037,2997280636231771547,262144 --variations-seed-version /prefetch:3
    1⤵
      PID:3716
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4396 -ip 4396
      1⤵
        PID:2476
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4148 --field-trial-handle=2288,i,10301911031503898037,2997280636231771547,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1124
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3044 -ip 3044
          1⤵
            PID:5464
          • C:\Windows\system32\backgroundTaskHost.exe
            "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
            1⤵
              PID:5452

            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\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

              Filesize

              2B

              MD5

              d751713988987e9331980363e24189ce

              SHA1

              97d170e1550eee4afc0af065b78cda302a97674c

              SHA256

              4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

              SHA512

              b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

              Filesize

              40B

              MD5

              20d4b8fa017a12a108c87f540836e250

              SHA1

              1ac617fac131262b6d3ce1f52f5907e31d5f6f00

              SHA256

              6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

              SHA512

              507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

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

              Filesize

              106KB

              MD5

              fe380780b5c35bd6d54541791151c2be

              SHA1

              7fe3a583cf91474c733f85cebf3c857682e269e1

              SHA256

              b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

              SHA512

              ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

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

              Filesize

              2KB

              MD5

              4e46f9c6ab901f0ec5e4c1abde4b843f

              SHA1

              103e4443cdfbb93c553db8a832635e6151368848

              SHA256

              f5dcf35b3b40d893e1f0a98012c0ffe4191383fa5b2c5b3417cceb9da614637e

              SHA512

              8f9acb3844915168ba4b4af0b1e28f2f2b297a12a21778812293ebe17e02f1b0b18f03588724fafc6c9166c9c7ee58c8a4af172ce7302403b2481738bdae8d62

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

              Filesize

              3KB

              MD5

              0c3ed50508e5f513434b669ef1699f7e

              SHA1

              b193ff7fbb04dbc98338c8ee560a4de2458c5939

              SHA256

              d2314d6fc396823f25003600d3414d4d7049b1c53972442efa9969a1c734dc93

              SHA512

              2957676169487218a79fcc934e1505c3a0c2aaaf230471bc63c67de4e01e155b1fbbebb3c6c062e0a02d8198abd98b71a353225db5201cc51db153981f520aea

            • C:\Users\Admin\AppData\Local\Temp\u3e4.0.exe

              Filesize

              312KB

              MD5

              12d374f5d55dc469aee06c9cd50e9e61

              SHA1

              8e3af58dcf5c3da96b4c984d94b2ce19c6fef1eb

              SHA256

              fd91ac27792d0f75969dbba3bfa91ec6aa025bdf4b3f2e5e35bc7b22551e14d7

              SHA512

              f6b56036a0383e17bde7e6563b0a1316bd650ec6e1836584e72e647b1de22728602b180e885e10c6dc9390aa7d12bdfa78574781466a2c5301674317143e5408

            • C:\Users\Admin\AppData\Local\Temp\u3e4.1.exe

              Filesize

              4.6MB

              MD5

              397926927bca55be4a77839b1c44de6e

              SHA1

              e10f3434ef3021c399dbba047832f02b3c898dbd

              SHA256

              4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

              SHA512

              cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

            • memory/932-144-0x0000019D1A860000-0x0000019D1A8DA000-memory.dmp

              Filesize

              488KB

            • memory/932-147-0x0000019D019E0000-0x0000019D019EA000-memory.dmp

              Filesize

              40KB

            • memory/932-218-0x0000019D01A10000-0x0000019D01A20000-memory.dmp

              Filesize

              64KB

            • memory/932-217-0x0000019D01A10000-0x0000019D01A20000-memory.dmp

              Filesize

              64KB

            • memory/932-213-0x0000019D01A10000-0x0000019D01A20000-memory.dmp

              Filesize

              64KB

            • memory/932-209-0x0000019D01A10000-0x0000019D01A20000-memory.dmp

              Filesize

              64KB

            • memory/932-205-0x00007FFB9A350000-0x00007FFB9AE11000-memory.dmp

              Filesize

              10.8MB

            • memory/932-167-0x0000019D7E610000-0x0000019D7E62E000-memory.dmp

              Filesize

              120KB

            • memory/932-165-0x0000019D7E6F0000-0x0000019D7E712000-memory.dmp

              Filesize

              136KB

            • memory/932-164-0x0000019D1ED50000-0x0000019D1ED5C000-memory.dmp

              Filesize

              48KB

            • memory/932-163-0x0000019D7E760000-0x0000019D7E7B0000-memory.dmp

              Filesize

              320KB

            • memory/932-162-0x0000019D01A10000-0x0000019D01A20000-memory.dmp

              Filesize

              64KB

            • memory/932-159-0x0000019D200D0000-0x0000019D205F8000-memory.dmp

              Filesize

              5.2MB

            • memory/932-133-0x00007FFB9A350000-0x00007FFB9AE11000-memory.dmp

              Filesize

              10.8MB

            • memory/932-134-0x0000019D7A9C0000-0x0000019D7E2B8000-memory.dmp

              Filesize

              57.0MB

            • memory/932-135-0x0000019D01A10000-0x0000019D01A20000-memory.dmp

              Filesize

              64KB

            • memory/932-136-0x0000019D1A510000-0x0000019D1A620000-memory.dmp

              Filesize

              1.1MB

            • memory/932-138-0x0000019D01AA0000-0x0000019D01AAC000-memory.dmp

              Filesize

              48KB

            • memory/932-137-0x0000019D01A00000-0x0000019D01A10000-memory.dmp

              Filesize

              64KB

            • memory/932-139-0x0000019D01A90000-0x0000019D01AA4000-memory.dmp

              Filesize

              80KB

            • memory/932-140-0x0000019D01B10000-0x0000019D01B34000-memory.dmp

              Filesize

              144KB

            • memory/932-141-0x0000019D1A760000-0x0000019D1A76A000-memory.dmp

              Filesize

              40KB

            • memory/932-158-0x0000019D1ED30000-0x0000019D1ED52000-memory.dmp

              Filesize

              136KB

            • memory/932-145-0x0000019D1A8E0000-0x0000019D1A942000-memory.dmp

              Filesize

              392KB

            • memory/932-146-0x0000019D7E670000-0x0000019D7E6E6000-memory.dmp

              Filesize

              472KB

            • memory/932-143-0x0000019D1A780000-0x0000019D1A832000-memory.dmp

              Filesize

              712KB

            • memory/932-142-0x0000019D1A830000-0x0000019D1A85A000-memory.dmp

              Filesize

              168KB

            • memory/932-157-0x0000019D1ED20000-0x0000019D1ED2A000-memory.dmp

              Filesize

              40KB

            • memory/932-151-0x0000019D1A940000-0x0000019D1AC40000-memory.dmp

              Filesize

              3.0MB

            • memory/932-153-0x0000019D01A10000-0x0000019D01A20000-memory.dmp

              Filesize

              64KB

            • memory/932-154-0x0000019D7E400000-0x0000019D7E408000-memory.dmp

              Filesize

              32KB

            • memory/932-155-0x0000019D7E630000-0x0000019D7E668000-memory.dmp

              Filesize

              224KB

            • memory/932-156-0x0000019D7E410000-0x0000019D7E41E000-memory.dmp

              Filesize

              56KB

            • memory/3044-17-0x0000000061E00000-0x0000000061EF3000-memory.dmp

              Filesize

              972KB

            • memory/3044-15-0x0000000002C00000-0x0000000002C27000-memory.dmp

              Filesize

              156KB

            • memory/3044-119-0x0000000002D40000-0x0000000002E40000-memory.dmp

              Filesize

              1024KB

            • memory/3044-116-0x0000000000400000-0x0000000002B79000-memory.dmp

              Filesize

              39.5MB

            • memory/3044-16-0x0000000000400000-0x0000000002B79000-memory.dmp

              Filesize

              39.5MB

            • memory/3044-14-0x0000000002D40000-0x0000000002E40000-memory.dmp

              Filesize

              1024KB

            • memory/3044-212-0x0000000000400000-0x0000000002B79000-memory.dmp

              Filesize

              39.5MB

            • memory/3044-65-0x0000000000400000-0x0000000002B79000-memory.dmp

              Filesize

              39.5MB

            • memory/3044-201-0x0000000000400000-0x0000000002B79000-memory.dmp

              Filesize

              39.5MB

            • memory/3996-85-0x0000000002560000-0x0000000002561000-memory.dmp

              Filesize

              4KB

            • memory/3996-131-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/3996-117-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/4396-3-0x0000000000400000-0x0000000002B9C000-memory.dmp

              Filesize

              39.6MB

            • memory/4396-2-0x0000000002D50000-0x0000000002DBC000-memory.dmp

              Filesize

              432KB

            • memory/4396-95-0x0000000002D50000-0x0000000002DBC000-memory.dmp

              Filesize

              432KB

            • memory/4396-90-0x0000000000400000-0x0000000002B9C000-memory.dmp

              Filesize

              39.6MB

            • memory/4396-13-0x0000000000400000-0x0000000002B9C000-memory.dmp

              Filesize

              39.6MB

            • memory/4396-1-0x0000000002E40000-0x0000000002F40000-memory.dmp

              Filesize

              1024KB

            • memory/4396-84-0x0000000002E40000-0x0000000002F40000-memory.dmp

              Filesize

              1024KB

            • memory/5520-210-0x0000000000B30000-0x0000000000B50000-memory.dmp

              Filesize

              128KB

            • memory/5520-211-0x00000000725C0000-0x0000000072D70000-memory.dmp

              Filesize

              7.7MB

            • memory/5520-216-0x00000000725C0000-0x0000000072D70000-memory.dmp

              Filesize

              7.7MB