Analysis

  • max time kernel
    147s
  • 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
    09/04/2024, 19:19

General

  • Target

    7d1cee8e259579f6979a08ecd9d6c36a546ff6ee11fff0de58cbab16dc011909.exe

  • Size

    415KB

  • MD5

    6ffd722f0e5a115bcb4813f9a67a0cc9

  • SHA1

    200b3c2348b6c338e67f05ff9c1217d2ebef2ba3

  • SHA256

    7d1cee8e259579f6979a08ecd9d6c36a546ff6ee11fff0de58cbab16dc011909

  • SHA512

    f0513fea137b0d2c0c9af05a709d97979780e77a67052212fa739a3ee0cc00f19039918d6249a4dfab22fc852dab3df3c14c245b5eb28aede60ec743994d4312

  • SSDEEP

    6144:1EDKHnnl1ovMkM4/np9BpxK295AGtLXjHm5lW/P2DYJX:1EDKHnnHjgp99KItLXjHKlWmDAX

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 48 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\7d1cee8e259579f6979a08ecd9d6c36a546ff6ee11fff0de58cbab16dc011909.exe
    "C:\Users\Admin\AppData\Local\Temp\7d1cee8e259579f6979a08ecd9d6c36a546ff6ee11fff0de58cbab16dc011909.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\u1ys.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u1ys.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:3572
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BAAFBFBAAK.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1880
        • C:\Users\Admin\AppData\Local\Temp\BAAFBFBAAK.exe
          "C:\Users\Admin\AppData\Local\Temp\BAAFBFBAAK.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:5184
          • 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\BAAFBFBAAK.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:5368
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:5428
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 2324
        3⤵
        • Program crash
        PID:5168
    • C:\Users\Admin\AppData\Local\Temp\u1ys.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u1ys.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:388
      • 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:916
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 1156
      2⤵
      • Program crash
      PID:3676
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2548 -ip 2548
    1⤵
      PID:2408
    • 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=3232 --field-trial-handle=2244,i,11986678581565715302,451159359636456336,262144 --variations-seed-version /prefetch:3
      1⤵
        PID:1580
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3572 -ip 3572
        1⤵
          PID:1512
        • 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=760 --field-trial-handle=2244,i,11986678581565715302,451159359636456336,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:5716

          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\Network Persistent State

            Filesize

            1KB

            MD5

            a9d7ddef2444123845f86b3ff5342046

            SHA1

            89fa2d0ed347df3890eb4b25cd185518962ec500

            SHA256

            f7502d4349a3cf2927e7b5e0253d1b12c6d302119e04238ccc3e7fcc4b6b59a5

            SHA512

            eb74af421114f66c61e643f393785e2c695f11f51ba529abbfbf3db1cd73e32159e25af28052a13b25804ddc2ab4dd91e3b9a0f11d270b6fc2437551ae5f6c93

          • 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\BAAFBFBAAK.exe

            Filesize

            106KB

            MD5

            fe380780b5c35bd6d54541791151c2be

            SHA1

            7fe3a583cf91474c733f85cebf3c857682e269e1

            SHA256

            b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

            SHA512

            ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

          • C:\Users\Admin\AppData\Local\Temp\u1ys.0.exe

            Filesize

            274KB

            MD5

            0e6f8c238d116ca0597085a7731115ef

            SHA1

            0fd2e399f89eaa74eb9306aecd1faa032b5f66a2

            SHA256

            9b910b87184474510607d696f84f3ae054939a7cbd0622e0d34ad95b7e25ff4f

            SHA512

            a09b6f5340df4351248b0a0148d243287e3823dbe33a9bdc8b769e7adb2f364585f5bb0e440ba2d5aeeb1e2e994708688f5d98262809f48570cd59b4a46ee95e

          • C:\Users\Admin\AppData\Local\Temp\u1ys.1.exe

            Filesize

            4.6MB

            MD5

            397926927bca55be4a77839b1c44de6e

            SHA1

            e10f3434ef3021c399dbba047832f02b3c898dbd

            SHA256

            4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

            SHA512

            cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

          • memory/388-148-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/388-130-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/388-48-0x00000000028F0000-0x00000000028F1000-memory.dmp

            Filesize

            4KB

          • memory/916-160-0x000002CEDFA40000-0x000002CEDFABA000-memory.dmp

            Filesize

            488KB

          • memory/916-179-0x000002CEE3890000-0x000002CEE3898000-memory.dmp

            Filesize

            32KB

          • memory/916-211-0x000002CEC52E0000-0x000002CEC52F0000-memory.dmp

            Filesize

            64KB

          • memory/916-210-0x000002CEC52E0000-0x000002CEC52F0000-memory.dmp

            Filesize

            64KB

          • memory/916-209-0x000002CEC52E0000-0x000002CEC52F0000-memory.dmp

            Filesize

            64KB

          • memory/916-208-0x00007FF8A0060000-0x00007FF8A0B21000-memory.dmp

            Filesize

            10.8MB

          • memory/916-206-0x000002CEE0010000-0x000002CEE002E000-memory.dmp

            Filesize

            120KB

          • memory/916-149-0x00007FF8A0060000-0x00007FF8A0B21000-memory.dmp

            Filesize

            10.8MB

          • memory/916-150-0x000002CEC15D0000-0x000002CEC4EC8000-memory.dmp

            Filesize

            57.0MB

          • memory/916-151-0x000002CEC52E0000-0x000002CEC52F0000-memory.dmp

            Filesize

            64KB

          • memory/916-152-0x000002CEDF5B0000-0x000002CEDF6C0000-memory.dmp

            Filesize

            1.1MB

          • memory/916-154-0x000002CEC6C70000-0x000002CEC6C7C000-memory.dmp

            Filesize

            48KB

          • memory/916-153-0x000002CEC52F0000-0x000002CEC5300000-memory.dmp

            Filesize

            64KB

          • memory/916-155-0x000002CEC6C60000-0x000002CEC6C74000-memory.dmp

            Filesize

            80KB

          • memory/916-156-0x000002CEDF7D0000-0x000002CEDF7F4000-memory.dmp

            Filesize

            144KB

          • memory/916-157-0x000002CEDF940000-0x000002CEDF94A000-memory.dmp

            Filesize

            40KB

          • memory/916-161-0x000002CEDFAC0000-0x000002CEDFB22000-memory.dmp

            Filesize

            392KB

          • memory/916-162-0x000002CEDFBA0000-0x000002CEDFC16000-memory.dmp

            Filesize

            472KB

          • memory/916-201-0x000002CEDFFE0000-0x000002CEE0002000-memory.dmp

            Filesize

            136KB

          • memory/916-159-0x000002CEDF990000-0x000002CEDFA42000-memory.dmp

            Filesize

            712KB

          • memory/916-158-0x000002CEDF960000-0x000002CEDF98A000-memory.dmp

            Filesize

            168KB

          • memory/916-167-0x000002CEDFC20000-0x000002CEDFF20000-memory.dmp

            Filesize

            3.0MB

          • memory/916-163-0x000002CEC52C0000-0x000002CEC52CA000-memory.dmp

            Filesize

            40KB

          • memory/916-190-0x000002CEDFF90000-0x000002CEDFFE0000-memory.dmp

            Filesize

            320KB

          • memory/916-177-0x000002CEC52E0000-0x000002CEC52F0000-memory.dmp

            Filesize

            64KB

          • memory/916-191-0x000002CEDFF40000-0x000002CEDFF4C000-memory.dmp

            Filesize

            48KB

          • memory/916-187-0x000002CEE55E0000-0x000002CEE5B08000-memory.dmp

            Filesize

            5.2MB

          • memory/916-182-0x000002CEE3F60000-0x000002CEE3F6E000-memory.dmp

            Filesize

            56KB

          • memory/916-180-0x000002CEE3F90000-0x000002CEE3FC8000-memory.dmp

            Filesize

            224KB

          • memory/916-183-0x000002CEE50A0000-0x000002CEE50AA000-memory.dmp

            Filesize

            40KB

          • memory/916-184-0x000002CEDFF20000-0x000002CEDFF42000-memory.dmp

            Filesize

            136KB

          • memory/916-186-0x000002CEC52E0000-0x000002CEC52F0000-memory.dmp

            Filesize

            64KB

          • memory/2548-1-0x0000000002E10000-0x0000000002F10000-memory.dmp

            Filesize

            1024KB

          • memory/2548-81-0x0000000004AC0000-0x0000000004B2C000-memory.dmp

            Filesize

            432KB

          • memory/2548-3-0x0000000000400000-0x0000000002D45000-memory.dmp

            Filesize

            41.3MB

          • memory/2548-2-0x0000000004AC0000-0x0000000004B2C000-memory.dmp

            Filesize

            432KB

          • memory/2548-76-0x0000000000400000-0x0000000002D45000-memory.dmp

            Filesize

            41.3MB

          • memory/3572-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/3572-13-0x0000000002EA0000-0x0000000002FA0000-memory.dmp

            Filesize

            1024KB

          • memory/3572-200-0x0000000000400000-0x0000000002D22000-memory.dmp

            Filesize

            41.1MB

          • memory/3572-178-0x0000000002EA0000-0x0000000002FA0000-memory.dmp

            Filesize

            1024KB

          • memory/3572-129-0x0000000000400000-0x0000000002D22000-memory.dmp

            Filesize

            41.1MB

          • memory/3572-185-0x0000000000400000-0x0000000002D22000-memory.dmp

            Filesize

            41.1MB

          • memory/3572-14-0x0000000004940000-0x0000000004967000-memory.dmp

            Filesize

            156KB

          • memory/3572-15-0x0000000000400000-0x0000000002D22000-memory.dmp

            Filesize

            41.1MB

          • memory/5184-198-0x0000000071F40000-0x00000000726F0000-memory.dmp

            Filesize

            7.7MB

          • memory/5184-202-0x0000000004B70000-0x0000000004B80000-memory.dmp

            Filesize

            64KB

          • memory/5184-199-0x0000000000180000-0x00000000001A0000-memory.dmp

            Filesize

            128KB

          • memory/5184-205-0x0000000071F40000-0x00000000726F0000-memory.dmp

            Filesize

            7.7MB