Analysis

  • max time kernel
    142s
  • 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
    06-05-2024 10:34

General

  • Target

    62d3a2493a66b19bc7a35b6d913406f60f2f8ccab6226a661aa892863fd53526.exe

  • Size

    417KB

  • MD5

    1c01810e6da17f5fc6865a1996eb5582

  • SHA1

    3afaebbb03c7424eb380282e7f290ec3e5e4d4fe

  • SHA256

    62d3a2493a66b19bc7a35b6d913406f60f2f8ccab6226a661aa892863fd53526

  • SHA512

    a5a17b77526474e547637cd12b279de3575d8560f46eab6b817790e57f993b6baabfdd431c9ca4a9aaec7a39459a480ba84247d50b14a871d43c852e3c70bfa5

  • SSDEEP

    6144:d5pk6VtVbGU1sVOzp0f1eYVwIuI84glzNwiaTSLrqi3Vta5F:d5pjVLbX0ONzYarI0lzhaT+RVtMF

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 52 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\62d3a2493a66b19bc7a35b6d913406f60f2f8ccab6226a661aa892863fd53526.exe
    "C:\Users\Admin\AppData\Local\Temp\62d3a2493a66b19bc7a35b6d913406f60f2f8ccab6226a661aa892863fd53526.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Users\Admin\AppData\Local\Temp\u3y0.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3y0.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 2360
        3⤵
        • Program crash
        PID:4312
    • C:\Users\Admin\AppData\Local\Temp\u3y0.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3y0.1.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:2492
      • 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:4284
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 1616
      2⤵
      • Program crash
      PID:4708
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 5112 -ip 5112
    1⤵
      PID:2196
    • 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=3188 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:3
      1⤵
        PID:1732
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4224 -ip 4224
        1⤵
          PID:2288
        • 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=3488 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:4156

          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

            2KB

            MD5

            91a6cde00c84c2a701f03b28ba3410c2

            SHA1

            21158190d1bf52804adbff1a447694e6eecb278b

            SHA256

            3b16445f09bc635aac017086be8faaaf584aeed110f0cb3b0f313103114dbd6a

            SHA512

            f85ef594c1846535c5e00f5939c93b26d5985c7ef4c058cb0e7e9ce1528fe2acbbbb38d4ee9b02810e67dc1ba0d50ede66045bb93bb933eb408bee9a68ee762c

          • C:\Users\Admin\AppData\Local\Temp\u3y0.0.exe

            Filesize

            274KB

            MD5

            7faacbf66f86efccce100cd447ecca62

            SHA1

            90f565110b0bbd2f086acaf6ef57fb13f4f7d86f

            SHA256

            c5400417da46366c8a498ed88d81f968fd504a2a704022dea1a7bdfc0cdc0677

            SHA512

            16c9d4c07ff3dbf0850dafdaa67381086b6ba40644bc153094d58ec641379f126bc1877832d4ab0efadd3f723dd6a89a5c33c3239d5033e150880105075d470a

          • C:\Users\Admin\AppData\Local\Temp\u3y0.1.exe

            Filesize

            4.6MB

            MD5

            397926927bca55be4a77839b1c44de6e

            SHA1

            e10f3434ef3021c399dbba047832f02b3c898dbd

            SHA256

            4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

            SHA512

            cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

          • memory/2492-157-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/2492-108-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/2492-158-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/4224-30-0x0000000000400000-0x0000000001A0F000-memory.dmp

            Filesize

            22.1MB

          • memory/4224-35-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/4224-21-0x0000000000400000-0x0000000001A0F000-memory.dmp

            Filesize

            22.1MB

          • memory/4224-17-0x0000000000400000-0x0000000001A0F000-memory.dmp

            Filesize

            22.1MB

          • memory/4224-144-0x0000000000400000-0x0000000001A0F000-memory.dmp

            Filesize

            22.1MB

          • memory/4224-100-0x0000000000400000-0x0000000001A0F000-memory.dmp

            Filesize

            22.1MB

          • memory/4284-171-0x0000024ABE0D0000-0x0000024ABE0DA000-memory.dmp

            Filesize

            40KB

          • memory/4284-167-0x0000024AD6C10000-0x0000024AD6C3A000-memory.dmp

            Filesize

            168KB

          • memory/4284-188-0x0000024ADBD40000-0x0000024ADBD5E000-memory.dmp

            Filesize

            120KB

          • memory/4284-187-0x0000024ADBD10000-0x0000024ADBD32000-memory.dmp

            Filesize

            136KB

          • memory/4284-186-0x0000024ADBC70000-0x0000024ADBC7C000-memory.dmp

            Filesize

            48KB

          • memory/4284-185-0x0000024ADBCC0000-0x0000024ADBD10000-memory.dmp

            Filesize

            320KB

          • memory/4284-182-0x0000024ADCBF0000-0x0000024ADD118000-memory.dmp

            Filesize

            5.2MB

          • memory/4284-159-0x0000024AB8BF0000-0x0000024ABC4E8000-memory.dmp

            Filesize

            57.0MB

          • memory/4284-160-0x0000024AD6DD0000-0x0000024AD6EE0000-memory.dmp

            Filesize

            1.1MB

          • memory/4284-161-0x0000024ABE100000-0x0000024ABE110000-memory.dmp

            Filesize

            64KB

          • memory/4284-162-0x0000024ABE120000-0x0000024ABE12C000-memory.dmp

            Filesize

            48KB

          • memory/4284-163-0x0000024ABE110000-0x0000024ABE124000-memory.dmp

            Filesize

            80KB

          • memory/4284-164-0x0000024AD6BF0000-0x0000024AD6C14000-memory.dmp

            Filesize

            144KB

          • memory/4284-165-0x0000024AD6A60000-0x0000024AD6A6A000-memory.dmp

            Filesize

            40KB

          • memory/4284-166-0x0000024AD7020000-0x0000024AD70D2000-memory.dmp

            Filesize

            712KB

          • memory/4284-181-0x0000024ADBC50000-0x0000024ADBC72000-memory.dmp

            Filesize

            136KB

          • memory/4284-168-0x0000024AD70D0000-0x0000024AD714A000-memory.dmp

            Filesize

            488KB

          • memory/4284-169-0x0000024AD6C40000-0x0000024AD6CA2000-memory.dmp

            Filesize

            392KB

          • memory/4284-170-0x0000024AD71D0000-0x0000024AD7246000-memory.dmp

            Filesize

            472KB

          • memory/4284-180-0x0000024ADBC40000-0x0000024ADBC4A000-memory.dmp

            Filesize

            40KB

          • memory/4284-175-0x0000024AD7250000-0x0000024AD7550000-memory.dmp

            Filesize

            3.0MB

          • memory/4284-177-0x0000024ADBC20000-0x0000024ADBC28000-memory.dmp

            Filesize

            32KB

          • memory/4284-178-0x0000024ADB560000-0x0000024ADB598000-memory.dmp

            Filesize

            224KB

          • memory/4284-179-0x0000024ADB530000-0x0000024ADB53E000-memory.dmp

            Filesize

            56KB

          • memory/5112-1-0x0000000001D00000-0x0000000001E00000-memory.dmp

            Filesize

            1024KB

          • memory/5112-78-0x0000000000400000-0x0000000001A32000-memory.dmp

            Filesize

            22.2MB

          • memory/5112-2-0x00000000037A0000-0x000000000380C000-memory.dmp

            Filesize

            432KB

          • memory/5112-3-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/5112-4-0x0000000000400000-0x0000000001A32000-memory.dmp

            Filesize

            22.2MB

          • memory/5112-80-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/5112-79-0x00000000037A0000-0x000000000380C000-memory.dmp

            Filesize

            432KB