Analysis

  • max time kernel
    140s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 13:06

General

  • Target

    3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe

  • Size

    373KB

  • MD5

    ea05924e4445087f0bbacd8eee4aba72

  • SHA1

    c99b3ff32ae7493377de5a1b323ac6061af17064

  • SHA256

    3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258

  • SHA512

    12a5c51c9b0d907fd7628eac2062a036b65aa9fb11bbb473a8a7e801f65e9c9fdcdaa156e033791f3d51a861b23faa6424201e3579b3332d574307d3e7c3ae33

  • SSDEEP

    6144:9Fse/HAftZpz74YMJdnm4RCvC37dmHMnTPjfrrRpX7zWXIyI32Tc2dI7a:9FseItZpz7FOm4IqmM7jf7Lz+IyxJua

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 44 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\3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe
    "C:\Users\Admin\AppData\Local\Temp\3beb89dcf726638c9e45891849f40f9b559994f2dbdada75cfdb30e97b9d7258.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1020
    • C:\Users\Admin\AppData\Local\Temp\usc.0.exe
      "C:\Users\Admin\AppData\Local\Temp\usc.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3760
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3760 -s 2004
        3⤵
        • Program crash
        PID:3916
    • C:\Users\Admin\AppData\Local\Temp\usc.1.exe
      "C:\Users\Admin\AppData\Local\Temp\usc.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:3176
      • 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:2644
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 1516
      2⤵
      • Program crash
      PID:3852
  • 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 --field-trial-handle=4404,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4136 /prefetch:8
    1⤵
      PID:3524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1020 -ip 1020
      1⤵
        PID:3720
      • 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 --field-trial-handle=4164,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=2432 /prefetch:3
        1⤵
          PID:4612
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3760 -ip 3760
          1⤵
            PID:3152

          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\iolo\dm\ioloDMLog.txt

            Filesize

            3KB

            MD5

            09206dffa5e181cfb70fc772193b9449

            SHA1

            8f1efaa3b1b9e876fffed7cf3ff1d9bc98c9978a

            SHA256

            85b7795ce6c4834a98fdbd12c76ddb5a8200e8577be9be5e394df60e3d9a8ffd

            SHA512

            0ca3ce9936af1c2ac5355e22e1a1979095baf211656807e2493dbb3fab0a1fb6372adae0b86a95c92d338cf5115bf833190c7cecc292186b88a5ee8f6db0d2cc

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

            Filesize

            231KB

            MD5

            8d1595054640e63c3ccc451b1454af73

            SHA1

            d3e67396b4afd81aeb7bf463e5c9dc654169fd7e

            SHA256

            b006c572d41bca024db5423a3ed281068ac751704ecfb558ec7866341559b628

            SHA512

            35d5b8ba33f1526148cf6c3e03b7e9c26738d596522ac923dd747a74eaeace0ef872b3ee69689ad110d5ffb4018489c000819e7862e72f6738369c745ccd3b76

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

            Filesize

            4.6MB

            MD5

            397926927bca55be4a77839b1c44de6e

            SHA1

            e10f3434ef3021c399dbba047832f02b3c898dbd

            SHA256

            4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

            SHA512

            cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

          • memory/1020-1-0x0000000000400000-0x0000000002599000-memory.dmp

            Filesize

            33.6MB

          • memory/1020-29-0x0000000000400000-0x0000000002599000-memory.dmp

            Filesize

            33.6MB

          • memory/1020-30-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/1020-2-0x0000000002830000-0x0000000002930000-memory.dmp

            Filesize

            1024KB

          • memory/1020-3-0x00000000041D0000-0x000000000423C000-memory.dmp

            Filesize

            432KB

          • memory/1020-4-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/2644-121-0x000001F4F5370000-0x000001F4F53A8000-memory.dmp

            Filesize

            224KB

          • memory/2644-130-0x000001F4F1310000-0x000001F4F131C000-memory.dmp

            Filesize

            48KB

          • memory/2644-106-0x000001F4D74B0000-0x000001F4D74C4000-memory.dmp

            Filesize

            80KB

          • memory/2644-108-0x000001F4EFF10000-0x000001F4EFF1A000-memory.dmp

            Filesize

            40KB

          • memory/2644-110-0x000001F4F0580000-0x000001F4F0632000-memory.dmp

            Filesize

            712KB

          • memory/2644-109-0x000001F4F0150000-0x000001F4F017A000-memory.dmp

            Filesize

            168KB

          • memory/2644-111-0x000001F4F0630000-0x000001F4F0680000-memory.dmp

            Filesize

            320KB

          • memory/2644-112-0x000001F4F01B0000-0x000001F4F01D2000-memory.dmp

            Filesize

            136KB

          • memory/2644-113-0x000001F4EFF20000-0x000001F4EFF2A000-memory.dmp

            Filesize

            40KB

          • memory/2644-117-0x000001F4F0FF0000-0x000001F4F12F0000-memory.dmp

            Filesize

            3.0MB

          • memory/2644-120-0x000001F4F59F0000-0x000001F4F59F8000-memory.dmp

            Filesize

            32KB

          • memory/2644-122-0x000001F4F5340000-0x000001F4F534E000-memory.dmp

            Filesize

            56KB

          • memory/2644-104-0x000001F4D74A0000-0x000001F4D74B0000-memory.dmp

            Filesize

            64KB

          • memory/2644-123-0x000001F4F5360000-0x000001F4F5368000-memory.dmp

            Filesize

            32KB

          • memory/2644-126-0x000001F4F6220000-0x000001F4F6242000-memory.dmp

            Filesize

            136KB

          • memory/2644-124-0x000001F4F64A0000-0x000001F4F64AA000-memory.dmp

            Filesize

            40KB

          • memory/2644-125-0x000001F4F64C0000-0x000001F4F6522000-memory.dmp

            Filesize

            392KB

          • memory/2644-188-0x000001F4EFF50000-0x000001F4F0147000-memory.dmp

            Filesize

            2.0MB

          • memory/2644-187-0x000001F4EFF50000-0x000001F4F0147000-memory.dmp

            Filesize

            2.0MB

          • memory/2644-186-0x000001F4EFF50000-0x000001F4F0147000-memory.dmp

            Filesize

            2.0MB

          • memory/2644-127-0x000001F4F6A50000-0x000001F4F6F78000-memory.dmp

            Filesize

            5.2MB

          • memory/2644-107-0x000001F4EFEF0000-0x000001F4EFF14000-memory.dmp

            Filesize

            144KB

          • memory/2644-134-0x000001F4F6240000-0x000001F4F62B6000-memory.dmp

            Filesize

            472KB

          • memory/2644-141-0x000001F4F15C0000-0x000001F4F15DE000-memory.dmp

            Filesize

            120KB

          • memory/2644-105-0x000001F4EFEA0000-0x000001F4EFEAC000-memory.dmp

            Filesize

            48KB

          • memory/2644-148-0x000001F4EFF50000-0x000001F4F0147000-memory.dmp

            Filesize

            2.0MB

          • memory/2644-185-0x000001F4EFF50000-0x000001F4F0147000-memory.dmp

            Filesize

            2.0MB

          • memory/2644-97-0x000001F4F0330000-0x000001F4F043A000-memory.dmp

            Filesize

            1.0MB

          • memory/2644-96-0x000001F4D1FF0000-0x000001F4D5824000-memory.dmp

            Filesize

            56.2MB

          • memory/2644-173-0x000001F4EFF50000-0x000001F4F0147000-memory.dmp

            Filesize

            2.0MB

          • memory/2644-184-0x000001F4EFF50000-0x000001F4F0147000-memory.dmp

            Filesize

            2.0MB

          • memory/2644-183-0x000001F4EFF50000-0x000001F4F0147000-memory.dmp

            Filesize

            2.0MB

          • memory/2644-180-0x000001F4EFF50000-0x000001F4F0147000-memory.dmp

            Filesize

            2.0MB

          • memory/2644-181-0x000001F4EFF50000-0x000001F4F0147000-memory.dmp

            Filesize

            2.0MB

          • memory/2644-182-0x000001F4EFF50000-0x000001F4F0147000-memory.dmp

            Filesize

            2.0MB

          • memory/3176-50-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/3176-85-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/3760-179-0x0000000000400000-0x0000000002576000-memory.dmp

            Filesize

            33.5MB

          • memory/3760-149-0x0000000000400000-0x0000000002576000-memory.dmp

            Filesize

            33.5MB

          • memory/3760-119-0x0000000000400000-0x0000000002576000-memory.dmp

            Filesize

            33.5MB

          • memory/3760-62-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB