Analysis

  • max time kernel
    131s
  • max time network
    146s
  • 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 20:26

General

  • Target

    tmp.exe

  • Size

    454KB

  • MD5

    4492c0fed06f47b4e844633e7b56293c

  • SHA1

    c072235414b249c89d2fe05691c2c0af36e54bda

  • SHA256

    711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee

  • SHA512

    bff79c233a9e7459cdd10c5814e511369fa6e3f737ded6ea4ebacbb51fdc012c1bfa01f30e38125db8ea15b809fe6419d8af7b9d6305c7400ae64ae2bfb889b8

  • SSDEEP

    12288:2iB9S1zi63i/LYjQogh7cz3EP4Fn4IWneiS6U:2irSI63iTYkogh4DlKrU

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 58 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\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.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⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5104
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HJJEGCAAEC.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2012
        • C:\Users\Admin\AppData\Local\Temp\HJJEGCAAEC.exe
          "C:\Users\Admin\AppData\Local\Temp\HJJEGCAAEC.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:444
          • 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\HJJEGCAAEC.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3224
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:5096
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 2256
        3⤵
        • Program crash
        PID:4456
    • 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:4516
      • 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:1888
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 1524
      2⤵
      • Program crash
      PID:4024
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5112 -ip 5112
    1⤵
      PID:4496
    • 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=1032 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:3
      1⤵
        PID:2296
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5104 -ip 5104
        1⤵
          PID:2668
        • 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=3040 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:2576

          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

            48175f1d1525b400efd6cea6fc95aaa0

            SHA1

            66fb1e56c489c9e85f34c24bf71f9b40fa27357c

            SHA256

            1c52f1c1aa6577e0e023293576bab9ca4c82fc5b0963de30bbe745fdfa0d87b7

            SHA512

            19a7733b7818229e3bf2a34aa96058e6f52443e9e74bf9af870fb3571c1b6a8dbe48f41a68556896d0f775d02c493dc1152de86251f726440ff4d188bc112d15

          • 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\HJJEGCAAEC.exe

            Filesize

            106KB

            MD5

            fe380780b5c35bd6d54541791151c2be

            SHA1

            7fe3a583cf91474c733f85cebf3c857682e269e1

            SHA256

            b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

            SHA512

            ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

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

            Filesize

            2KB

            MD5

            ad7863f83b86cc824826e1a3b0fc6ddb

            SHA1

            d3bf92f38ebd9783b754628fc365f6e080169e31

            SHA256

            3a5217c6b6d9c8d0164dc85758b3366430dfcd9f4def275b557a6ac61b398081

            SHA512

            f959eaa0800c3b8ecc1c659ee511642938ce4301186fbe2ef0e33e968eb0e7963e1f9e1c89ad048e63d82efb8c29c5db4dbf4265b1ffa1a9d8d51e3d5317aebb

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

            Filesize

            3KB

            MD5

            8efc34916f4492ae9d297cb55f20cf4a

            SHA1

            46eff48f6e2133487d515237bdf3899f89e3ae60

            SHA256

            80062c31a91bd442b071209bf4e8271db113547ab0cfb39843a5372be8704419

            SHA512

            e7926849ffe33961204eb83ff696067cc8d022b9e2ff71e2f03430086e6444aa6e2b53a92c206f17bf6a840eb96e01077086c83bfd9ae1b7a1e8793b3ddfc746

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

            Filesize

            312KB

            MD5

            bdcc90f5922fa5c4d3431a05dddc4dee

            SHA1

            dbc148068e881bcd61c839998f8ecedb7621b44a

            SHA256

            c7357c7eab02c84d5a78daf9d6bcf8159d113a1ea0bde9c3d79f389a78be4211

            SHA512

            f312f0cec92e7c66265d39c86a7092c45f5e558a15c625790ba7b716fda6871d0a3ea8c4cc8eab53076695776d88282c02791b57e9789ba47646ee4f9e2d0868

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

            Filesize

            4.6MB

            MD5

            397926927bca55be4a77839b1c44de6e

            SHA1

            e10f3434ef3021c399dbba047832f02b3c898dbd

            SHA256

            4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

            SHA512

            cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

          • memory/444-194-0x0000000000B90000-0x0000000000BB0000-memory.dmp

            Filesize

            128KB

          • memory/444-196-0x0000000072700000-0x0000000072EB0000-memory.dmp

            Filesize

            7.7MB

          • memory/444-197-0x0000000005660000-0x0000000005670000-memory.dmp

            Filesize

            64KB

          • memory/444-206-0x0000000072700000-0x0000000072EB0000-memory.dmp

            Filesize

            7.7MB

          • memory/1888-173-0x000001FFCEDA0000-0x000001FFCEDB4000-memory.dmp

            Filesize

            80KB

          • memory/1888-185-0x000001FFE7CD0000-0x000001FFE7D46000-memory.dmp

            Filesize

            472KB

          • memory/1888-219-0x000001FFCD3F0000-0x000001FFCD400000-memory.dmp

            Filesize

            64KB

          • memory/1888-217-0x000001FFE8250000-0x000001FFE826E000-memory.dmp

            Filesize

            120KB

          • memory/1888-216-0x000001FFCD3F0000-0x000001FFCD400000-memory.dmp

            Filesize

            64KB

          • memory/1888-215-0x00007FFA61370000-0x00007FFA61E31000-memory.dmp

            Filesize

            10.8MB

          • memory/1888-214-0x000001FFE8220000-0x000001FFE8242000-memory.dmp

            Filesize

            136KB

          • memory/1888-213-0x000001FFE8180000-0x000001FFE818C000-memory.dmp

            Filesize

            48KB

          • memory/1888-154-0x00007FFA61370000-0x00007FFA61E31000-memory.dmp

            Filesize

            10.8MB

          • memory/1888-162-0x000001FFC9700000-0x000001FFCCFF8000-memory.dmp

            Filesize

            57.0MB

          • memory/1888-212-0x000001FFE81D0000-0x000001FFE8220000-memory.dmp

            Filesize

            320KB

          • memory/1888-169-0x000001FFCD3F0000-0x000001FFCD400000-memory.dmp

            Filesize

            64KB

          • memory/1888-170-0x000001FFE78F0000-0x000001FFE7A00000-memory.dmp

            Filesize

            1.1MB

          • memory/1888-171-0x000001FFCD440000-0x000001FFCD450000-memory.dmp

            Filesize

            64KB

          • memory/1888-172-0x000001FFCEDB0000-0x000001FFCEDBC000-memory.dmp

            Filesize

            48KB

          • memory/1888-209-0x000001FFED470000-0x000001FFED998000-memory.dmp

            Filesize

            5.2MB

          • memory/1888-174-0x000001FFE76F0000-0x000001FFE7714000-memory.dmp

            Filesize

            144KB

          • memory/1888-178-0x000001FFE7710000-0x000001FFE771A000-memory.dmp

            Filesize

            40KB

          • memory/1888-179-0x000001FFE7730000-0x000001FFE77E2000-memory.dmp

            Filesize

            712KB

          • memory/1888-180-0x000001FFE7B40000-0x000001FFE7B6A000-memory.dmp

            Filesize

            168KB

          • memory/1888-181-0x000001FFE7B70000-0x000001FFE7BEA000-memory.dmp

            Filesize

            488KB

          • memory/1888-182-0x000001FFE7BF0000-0x000001FFE7C52000-memory.dmp

            Filesize

            392KB

          • memory/1888-208-0x000001FFE8160000-0x000001FFE8182000-memory.dmp

            Filesize

            136KB

          • memory/1888-207-0x000001FFEBFF0000-0x000001FFEBFFA000-memory.dmp

            Filesize

            40KB

          • memory/1888-187-0x000001FFCED80000-0x000001FFCED8A000-memory.dmp

            Filesize

            40KB

          • memory/1888-191-0x000001FFE7D50000-0x000001FFE8050000-memory.dmp

            Filesize

            3.0MB

          • memory/1888-204-0x000001FFE80D0000-0x000001FFE8108000-memory.dmp

            Filesize

            224KB

          • memory/1888-205-0x000001FFE80A0000-0x000001FFE80AE000-memory.dmp

            Filesize

            56KB

          • memory/1888-200-0x000001FFEC730000-0x000001FFEC738000-memory.dmp

            Filesize

            32KB

          • memory/1888-202-0x000001FFCD3F0000-0x000001FFCD400000-memory.dmp

            Filesize

            64KB

          • memory/1888-199-0x000001FFCD3F0000-0x000001FFCD400000-memory.dmp

            Filesize

            64KB

          • memory/1888-201-0x000001FFCD3F0000-0x000001FFCD400000-memory.dmp

            Filesize

            64KB

          • memory/4516-27-0x00000000026A0000-0x00000000026A1000-memory.dmp

            Filesize

            4KB

          • memory/4516-137-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/4516-153-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/5104-136-0x0000000000400000-0x0000000002B79000-memory.dmp

            Filesize

            39.5MB

          • memory/5104-83-0x0000000000400000-0x0000000002B79000-memory.dmp

            Filesize

            39.5MB

          • memory/5104-15-0x0000000000400000-0x0000000002B79000-memory.dmp

            Filesize

            39.5MB

          • memory/5104-193-0x0000000000400000-0x0000000002B79000-memory.dmp

            Filesize

            39.5MB

          • memory/5104-31-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/5104-14-0x0000000004780000-0x00000000047A7000-memory.dmp

            Filesize

            156KB

          • memory/5104-13-0x0000000002CD0000-0x0000000002DD0000-memory.dmp

            Filesize

            1024KB

          • memory/5112-3-0x0000000000400000-0x0000000002B9C000-memory.dmp

            Filesize

            39.6MB

          • memory/5112-16-0x0000000000400000-0x0000000002B9C000-memory.dmp

            Filesize

            39.6MB

          • memory/5112-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

            Filesize

            1024KB

          • memory/5112-65-0x0000000000400000-0x0000000002B9C000-memory.dmp

            Filesize

            39.6MB

          • memory/5112-66-0x0000000002D70000-0x0000000002DDC000-memory.dmp

            Filesize

            432KB

          • memory/5112-2-0x0000000002D70000-0x0000000002DDC000-memory.dmp

            Filesize

            432KB