Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-05-2024 17:24

General

  • Target

    f000cf9df04caf982a587f04d727fad5be0716146827a46e9e3cdc299952829d.exe

  • Size

    406KB

  • MD5

    8c119343e6bf0180eebef7023c6dd30a

  • SHA1

    edd4dbb9fe569cdf6bd427c4397005876ccca575

  • SHA256

    f000cf9df04caf982a587f04d727fad5be0716146827a46e9e3cdc299952829d

  • SHA512

    4e890229827cf489b0fbc917a688bba239e635e6a53f05b3c55186bd564f06d0e71bde53311be312056fb4382c7c623cc0eb0326aa66f579a68aecf46c2c6c8d

  • SSDEEP

    6144:cGGgSwmijoz/lKRqjAMR2lnaID8lGQfVhW9N1:Qg7LjItKQMi1O8lbS/1

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.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 2 IoCs

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

  • Executes dropped EXE 2 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.

  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f000cf9df04caf982a587f04d727fad5be0716146827a46e9e3cdc299952829d.exe
    "C:\Users\Admin\AppData\Local\Temp\f000cf9df04caf982a587f04d727fad5be0716146827a46e9e3cdc299952829d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3252
    • C:\Users\Admin\AppData\Local\Temp\u2ic.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2ic.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3916
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 2400
        3⤵
        • Program crash
        PID:3572
    • C:\Users\Admin\AppData\Local\Temp\u2ic.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2ic.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:4392
      • 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:5104
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 860
      2⤵
      • Program crash
      PID:4108
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3252 -ip 3252
    1⤵
      PID:4656
    • 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=1428 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4484
      • 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=4152 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:3
        1⤵
          PID:3228
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3916 -ip 3916
          1⤵
            PID:1720

          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\u2ic.0.exe

            Filesize

            274KB

            MD5

            72650f024358627e959b3e486b30471e

            SHA1

            ff2dd1495fa40008354f3f5b16a51125dc6a56fe

            SHA256

            5d0d85b7fa9992568b57bc90e3e4407d6903388623b7cae8683d04a2c46a62d2

            SHA512

            5f55f6707df28ea668f9edbaf0039ff48acf1f42728ef7dfb455f2e97a757dd7781e962cc6a83070602e0ab3384219bc39832b7af28db2ac8307f5027c9b2aa3

          • C:\Users\Admin\AppData\Local\Temp\u2ic.1.exe

            Filesize

            4.6MB

            MD5

            397926927bca55be4a77839b1c44de6e

            SHA1

            e10f3434ef3021c399dbba047832f02b3c898dbd

            SHA256

            4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

            SHA512

            cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

          • memory/3252-5-0x0000000000400000-0x0000000002B23000-memory.dmp

            Filesize

            39.1MB

          • memory/3252-3-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/3252-2-0x0000000002BD0000-0x0000000002C3C000-memory.dmp

            Filesize

            432KB

          • memory/3252-38-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/3252-25-0x0000000000400000-0x0000000002B23000-memory.dmp

            Filesize

            39.1MB

          • memory/3252-34-0x0000000002C40000-0x0000000002D40000-memory.dmp

            Filesize

            1024KB

          • memory/3252-36-0x0000000002BD0000-0x0000000002C3C000-memory.dmp

            Filesize

            432KB

          • memory/3252-1-0x0000000002C40000-0x0000000002D40000-memory.dmp

            Filesize

            1024KB

          • memory/3916-189-0x0000000000400000-0x0000000002B02000-memory.dmp

            Filesize

            39.0MB

          • memory/3916-147-0x0000000000400000-0x0000000002B02000-memory.dmp

            Filesize

            39.0MB

          • memory/3916-97-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/3916-96-0x0000000000400000-0x0000000002B02000-memory.dmp

            Filesize

            39.0MB

          • memory/4392-66-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/4392-65-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/4392-35-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/5104-76-0x0000027B6C380000-0x0000027B6C3FA000-memory.dmp

            Filesize

            488KB

          • memory/5104-93-0x0000027B717D0000-0x0000027B71820000-memory.dmp

            Filesize

            320KB

          • memory/5104-78-0x0000027B6C4E0000-0x0000027B6C556000-memory.dmp

            Filesize

            472KB

          • memory/5104-79-0x0000027B53560000-0x0000027B5356A000-memory.dmp

            Filesize

            40KB

          • memory/5104-83-0x0000027B6C560000-0x0000027B6C860000-memory.dmp

            Filesize

            3.0MB

          • memory/5104-85-0x0000027B70F30000-0x0000027B70F38000-memory.dmp

            Filesize

            32KB

          • memory/5104-86-0x0000027B70870000-0x0000027B708A8000-memory.dmp

            Filesize

            224KB

          • memory/5104-87-0x0000027B70840000-0x0000027B7084E000-memory.dmp

            Filesize

            56KB

          • memory/5104-88-0x0000027B71740000-0x0000027B7174A000-memory.dmp

            Filesize

            40KB

          • memory/5104-89-0x0000027B71760000-0x0000027B71782000-memory.dmp

            Filesize

            136KB

          • memory/5104-90-0x0000027B71CD0000-0x0000027B721F8000-memory.dmp

            Filesize

            5.2MB

          • memory/5104-77-0x0000027B6C400000-0x0000027B6C462000-memory.dmp

            Filesize

            392KB

          • memory/5104-94-0x0000027B71780000-0x0000027B7178C000-memory.dmp

            Filesize

            48KB

          • memory/5104-95-0x0000027B71AA0000-0x0000027B71AC2000-memory.dmp

            Filesize

            136KB

          • memory/5104-75-0x0000027B6C350000-0x0000027B6C37A000-memory.dmp

            Filesize

            168KB

          • memory/5104-74-0x0000027B6BF20000-0x0000027B6BFD2000-memory.dmp

            Filesize

            712KB

          • memory/5104-73-0x0000027B6BF10000-0x0000027B6BF1A000-memory.dmp

            Filesize

            40KB

          • memory/5104-145-0x0000027B71AD0000-0x0000027B71AEE000-memory.dmp

            Filesize

            120KB

          • memory/5104-72-0x0000027B535C0000-0x0000027B535E4000-memory.dmp

            Filesize

            144KB

          • memory/5104-71-0x0000027B53590000-0x0000027B535A4000-memory.dmp

            Filesize

            80KB

          • memory/5104-70-0x0000027B535A0000-0x0000027B535AC000-memory.dmp

            Filesize

            48KB

          • memory/5104-69-0x0000027B53580000-0x0000027B53590000-memory.dmp

            Filesize

            64KB

          • memory/5104-68-0x0000027B6C100000-0x0000027B6C210000-memory.dmp

            Filesize

            1.1MB

          • memory/5104-67-0x0000027B4DF00000-0x0000027B517F8000-memory.dmp

            Filesize

            57.0MB