Analysis

  • max time kernel
    152s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 16:33

General

  • Target

    fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe

  • Size

    478KB

  • MD5

    abc237193d197f1bf9fa706feba2f769

  • SHA1

    bef4290076738e77cf091d0b590f62f856f0c529

  • SHA256

    fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506

  • SHA512

    2a6b256a49cbe038bce710aeba4574be756043b82728a8f91efc3d7efc29cb1e0263bb77d59657553f46a2769c551491d23e0273c5f62618eb539744c5ac7b95

  • SSDEEP

    6144:7BSBKD7+zBBet1F68/0kyy6sQU9HwdrQH315DG67gqlcS3EO+eVf+oX:NS+qN58Iy6sQUhssfiQ3dEOhVflX

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 1 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 64 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\fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe
    "C:\Users\Admin\AppData\Local\Temp\fb422f86bffa6e7f7ecc83b76eca324079d560f621608c436323ce3bb2603506.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Users\Admin\AppData\Local\Temp\uzo.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uzo.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:4420
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GCBGIIECGH.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1388
        • C:\Users\Admin\AppData\Local\Temp\GCBGIIECGH.exe
          "C:\Users\Admin\AppData\Local\Temp\GCBGIIECGH.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2328
          • 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\GCBGIIECGH.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1460
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:4228
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 2472
        3⤵
        • Program crash
        PID:4032
    • C:\Users\Admin\AppData\Local\Temp\uzo.1.exe
      "C:\Users\Admin\AppData\Local\Temp\uzo.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:4176
      • 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 use of AdjustPrivilegeToken
        PID:60
  • 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=3088 --field-trial-handle=3136,i,3192284747741020952,1225278682167953346,262144 --variations-seed-version /prefetch:3
    1⤵
      PID:4180
    • 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=4060 --field-trial-handle=3136,i,3192284747741020952,1225278682167953346,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1324
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4420 -ip 4420
        1⤵
          PID:2852

        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\68cd6c11-e85b-4a58-9a34-f902dd573106.tmp

          Filesize

          40B

          MD5

          20d4b8fa017a12a108c87f540836e250

          SHA1

          1ac617fac131262b6d3ce1f52f5907e31d5f6f00

          SHA256

          6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

          SHA512

          507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

        • 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\Temp\GCBGIIECGH.exe

          Filesize

          106KB

          MD5

          fe380780b5c35bd6d54541791151c2be

          SHA1

          7fe3a583cf91474c733f85cebf3c857682e269e1

          SHA256

          b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

          SHA512

          ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

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

          Filesize

          3KB

          MD5

          8738c1609195c388a7176f4939fc05f8

          SHA1

          471c23141d8030728e49231e35ad67c1e559739f

          SHA256

          adf78e4cdb45e1f9b9ed06199641dd8394dd63710a9e1aa23a6274898725755d

          SHA512

          b49773e74f4e8e22e58642d145a40fe7b492d59f5830b89340cb32632da1afe58b6569de0edf9f78d850e843da5636164afad9c6d009cf118dcadc45741c1d70

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

          Filesize

          306KB

          MD5

          f5159a00a090d5e99b53d41c6ac41dd3

          SHA1

          295db898d608960df27d5027a721fd44cbd00580

          SHA256

          cce1accced0a4d91966c96752c101eefe1dba629c8b5ec58eefc5408c881f110

          SHA512

          29aac3010b80287809784305493683461402c9484812a74e166418b75af6b9f59d49818bd46cd8c6c1e61204d951a0d3cf7db038bbd4d9c990da836bd7942cf4

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

          Filesize

          4.6MB

          MD5

          397926927bca55be4a77839b1c44de6e

          SHA1

          e10f3434ef3021c399dbba047832f02b3c898dbd

          SHA256

          4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

          SHA512

          cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

        • memory/60-194-0x000001CAF9CC0000-0x000001CAF9CC8000-memory.dmp

          Filesize

          32KB

        • memory/60-196-0x000001CAFA390000-0x000001CAFA39E000-memory.dmp

          Filesize

          56KB

        • memory/60-212-0x000001CADB720000-0x000001CADB730000-memory.dmp

          Filesize

          64KB

        • memory/60-211-0x000001CADB720000-0x000001CADB730000-memory.dmp

          Filesize

          64KB

        • memory/60-210-0x000001CADB720000-0x000001CADB730000-memory.dmp

          Filesize

          64KB

        • memory/60-209-0x000001CADB720000-0x000001CADB730000-memory.dmp

          Filesize

          64KB

        • memory/60-208-0x00007FF834820000-0x00007FF8352E1000-memory.dmp

          Filesize

          10.8MB

        • memory/60-206-0x000001CAFB2E0000-0x000001CAFB2FE000-memory.dmp

          Filesize

          120KB

        • memory/60-205-0x000001CAFB350000-0x000001CAFB372000-memory.dmp

          Filesize

          136KB

        • memory/60-204-0x000001CAFB290000-0x000001CAFB29C000-memory.dmp

          Filesize

          48KB

        • memory/60-202-0x000001CADB720000-0x000001CADB730000-memory.dmp

          Filesize

          64KB

        • memory/60-203-0x000001CAFB300000-0x000001CAFB350000-memory.dmp

          Filesize

          320KB

        • memory/60-199-0x000001CAFBA80000-0x000001CAFBFA8000-memory.dmp

          Filesize

          5.2MB

        • memory/60-198-0x000001CAFB530000-0x000001CAFB552000-memory.dmp

          Filesize

          136KB

        • memory/60-197-0x000001CAFA440000-0x000001CAFA44A000-memory.dmp

          Filesize

          40KB

        • memory/60-195-0x000001CAFA3C0000-0x000001CAFA3F8000-memory.dmp

          Filesize

          224KB

        • memory/60-168-0x00007FF834820000-0x00007FF8352E1000-memory.dmp

          Filesize

          10.8MB

        • memory/60-193-0x000001CADB720000-0x000001CADB730000-memory.dmp

          Filesize

          64KB

        • memory/60-192-0x000001CADB720000-0x000001CADB730000-memory.dmp

          Filesize

          64KB

        • memory/60-172-0x000001CAD7A40000-0x000001CADB338000-memory.dmp

          Filesize

          57.0MB

        • memory/60-174-0x000001CADB720000-0x000001CADB730000-memory.dmp

          Filesize

          64KB

        • memory/60-175-0x000001CAF5BA0000-0x000001CAF5CB0000-memory.dmp

          Filesize

          1.1MB

        • memory/60-177-0x000001CADCFF0000-0x000001CADCFFC000-memory.dmp

          Filesize

          48KB

        • memory/60-176-0x000001CADCFD0000-0x000001CADCFE0000-memory.dmp

          Filesize

          64KB

        • memory/60-178-0x000001CADCFE0000-0x000001CADCFF4000-memory.dmp

          Filesize

          80KB

        • memory/60-179-0x000001CAF5B20000-0x000001CAF5B44000-memory.dmp

          Filesize

          144KB

        • memory/60-180-0x000001CAF5B50000-0x000001CAF5B5A000-memory.dmp

          Filesize

          40KB

        • memory/60-183-0x000001CAF5ED0000-0x000001CAF5F4A000-memory.dmp

          Filesize

          488KB

        • memory/60-182-0x000001CAF5EA0000-0x000001CAF5ECA000-memory.dmp

          Filesize

          168KB

        • memory/60-181-0x000001CAF5DF0000-0x000001CAF5EA2000-memory.dmp

          Filesize

          712KB

        • memory/60-184-0x000001CAF5F50000-0x000001CAF5FB2000-memory.dmp

          Filesize

          392KB

        • memory/60-185-0x000001CAF6030000-0x000001CAF60A6000-memory.dmp

          Filesize

          472KB

        • memory/60-186-0x000001CADB760000-0x000001CADB76A000-memory.dmp

          Filesize

          40KB

        • memory/60-190-0x000001CAF60B0000-0x000001CAF63B0000-memory.dmp

          Filesize

          3.0MB

        • memory/1284-3-0x0000000004800000-0x000000000486C000-memory.dmp

          Filesize

          432KB

        • memory/1284-1-0x0000000000400000-0x0000000002BA2000-memory.dmp

          Filesize

          39.6MB

        • memory/1284-24-0x0000000000400000-0x0000000002BA2000-memory.dmp

          Filesize

          39.6MB

        • memory/1284-4-0x0000000000400000-0x0000000002BA2000-memory.dmp

          Filesize

          39.6MB

        • memory/1284-2-0x0000000002D60000-0x0000000002E60000-memory.dmp

          Filesize

          1024KB

        • memory/2328-170-0x0000000005070000-0x0000000005080000-memory.dmp

          Filesize

          64KB

        • memory/2328-173-0x0000000071FB0000-0x0000000072760000-memory.dmp

          Filesize

          7.7MB

        • memory/2328-164-0x00000000005C0000-0x00000000005E0000-memory.dmp

          Filesize

          128KB

        • memory/2328-163-0x0000000071FB0000-0x0000000072760000-memory.dmp

          Filesize

          7.7MB

        • memory/4176-32-0x00000000026B0000-0x00000000026B1000-memory.dmp

          Filesize

          4KB

        • memory/4176-166-0x0000000000400000-0x00000000008AD000-memory.dmp

          Filesize

          4.7MB

        • memory/4176-131-0x0000000000400000-0x00000000008AD000-memory.dmp

          Filesize

          4.7MB

        • memory/4420-26-0x0000000002CD0000-0x0000000002DD0000-memory.dmp

          Filesize

          1024KB

        • memory/4420-130-0x0000000000400000-0x0000000002B77000-memory.dmp

          Filesize

          39.5MB

        • memory/4420-27-0x0000000002C00000-0x0000000002C27000-memory.dmp

          Filesize

          156KB

        • memory/4420-165-0x0000000000400000-0x0000000002B77000-memory.dmp

          Filesize

          39.5MB

        • memory/4420-30-0x0000000000400000-0x0000000002B77000-memory.dmp

          Filesize

          39.5MB

        • memory/4420-38-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB