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Analysis

  • max time kernel
    140s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/05/2024, 12:35

General

  • Target

    47e8907f247d14f18b5989614a2ae39dc71058c37e8fb5dbd40d16ec2d482ad8.exe

  • Size

    382KB

  • MD5

    851277b51155270afc4fe45849b73b35

  • SHA1

    69a2e217c0e1ef4346ba705e790537abe2636090

  • SHA256

    47e8907f247d14f18b5989614a2ae39dc71058c37e8fb5dbd40d16ec2d482ad8

  • SHA512

    be46b46a310efd78c4ba494bbc28068f49a1ae8623be3628ecc5fd9e6f29c8a9fbd567b80a473ce8884f1751b2b90cd0ea18074ceaa675b91392f53e3b562c8e

  • SSDEEP

    6144:pjNz2z8NYkmBEv/WgU0wBmhekXHTXEdzE+eJKto:pjN8WYJOjrutKJKto

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 3 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\47e8907f247d14f18b5989614a2ae39dc71058c37e8fb5dbd40d16ec2d482ad8.exe
    "C:\Users\Admin\AppData\Local\Temp\47e8907f247d14f18b5989614a2ae39dc71058c37e8fb5dbd40d16ec2d482ad8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3152
    • C:\Users\Admin\AppData\Local\Temp\u2fk.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2fk.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:2296
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\u2fk.0.exe" & del "C:\ProgramData\*.dll"" & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2292
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 5
          4⤵
          • Delays execution with timeout.exe
          PID:5024
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 2300
        3⤵
        • Program crash
        PID:2596
    • C:\Users\Admin\AppData\Local\Temp\u2fk.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2fk.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:4888
      • 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:4880
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3152 -s 1156
      2⤵
      • Program crash
      PID:4788
  • 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=4396,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=4376 /prefetch:8
    1⤵
      PID:5076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3152 -ip 3152
      1⤵
        PID:2776
      • 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=3600,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=2432 /prefetch:3
        1⤵
          PID:4324
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2296 -ip 2296
          1⤵
            PID:1320

          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\u2fk.0.exe

            Filesize

            218KB

            MD5

            fd33bde2848f014404593721df5f5277

            SHA1

            43ad6aedd03dd15b6c74d316ec28f7b55966324c

            SHA256

            c96d9708a65e1d992b55ac78f90d2db7852fef98b21eaff2e7ba37993ca4dfad

            SHA512

            b702235aaab753601e63a4b6662943b1f0af067fb3a96ff400bf680241416dca9f3f8438de3683b116660db325acfe018b27f69a23a84dc07f814518d1ce9f0e

          • C:\Users\Admin\AppData\Local\Temp\u2fk.1.exe

            Filesize

            4.6MB

            MD5

            397926927bca55be4a77839b1c44de6e

            SHA1

            e10f3434ef3021c399dbba047832f02b3c898dbd

            SHA256

            4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

            SHA512

            cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

          • memory/2296-54-0x0000000000400000-0x0000000002AF3000-memory.dmp

            Filesize

            38.9MB

          • memory/2296-178-0x0000000000400000-0x0000000002AF3000-memory.dmp

            Filesize

            38.9MB

          • memory/2296-69-0x0000000000400000-0x0000000002AF3000-memory.dmp

            Filesize

            38.9MB

          • memory/2296-102-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/3152-37-0x0000000002CB0000-0x0000000002D1C000-memory.dmp

            Filesize

            432KB

          • memory/3152-36-0x0000000000400000-0x0000000002B1D000-memory.dmp

            Filesize

            39.1MB

          • memory/3152-38-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/3152-16-0x0000000000400000-0x0000000002B1D000-memory.dmp

            Filesize

            39.1MB

          • memory/3152-1-0x0000000002D90000-0x0000000002E90000-memory.dmp

            Filesize

            1024KB

          • memory/3152-3-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/3152-2-0x0000000002CB0000-0x0000000002D1C000-memory.dmp

            Filesize

            432KB

          • memory/4880-93-0x000002652E080000-0x000002652E5A8000-memory.dmp

            Filesize

            5.2MB

          • memory/4880-91-0x000002652DAD0000-0x000002652DB32000-memory.dmp

            Filesize

            392KB

          • memory/4880-76-0x00000265280D0000-0x0000026528182000-memory.dmp

            Filesize

            712KB

          • memory/4880-77-0x0000026528500000-0x000002652852A000-memory.dmp

            Filesize

            168KB

          • memory/4880-78-0x0000026528580000-0x00000265285D0000-memory.dmp

            Filesize

            320KB

          • memory/4880-79-0x00000265285D0000-0x00000265285F2000-memory.dmp

            Filesize

            136KB

          • memory/4880-80-0x0000026528080000-0x000002652808A000-memory.dmp

            Filesize

            40KB

          • memory/4880-84-0x0000026528600000-0x0000026528900000-memory.dmp

            Filesize

            3.0MB

          • memory/4880-86-0x000002652D000000-0x000002652D008000-memory.dmp

            Filesize

            32KB

          • memory/4880-87-0x000002652C940000-0x000002652C978000-memory.dmp

            Filesize

            224KB

          • memory/4880-88-0x000002652C910000-0x000002652C91E000-memory.dmp

            Filesize

            56KB

          • memory/4880-89-0x000002652C930000-0x000002652C938000-memory.dmp

            Filesize

            32KB

          • memory/4880-90-0x000002652D820000-0x000002652D82A000-memory.dmp

            Filesize

            40KB

          • memory/4880-75-0x0000026528070000-0x000002652807A000-memory.dmp

            Filesize

            40KB

          • memory/4880-92-0x000002652DB30000-0x000002652DB52000-memory.dmp

            Filesize

            136KB

          • memory/4880-74-0x0000026528040000-0x0000026528064000-memory.dmp

            Filesize

            144KB

          • memory/4880-96-0x000002652D830000-0x000002652D83C000-memory.dmp

            Filesize

            48KB

          • memory/4880-97-0x000002652DC20000-0x000002652DC96000-memory.dmp

            Filesize

            472KB

          • memory/4880-98-0x000002652DB80000-0x000002652DB9E000-memory.dmp

            Filesize

            120KB

          • memory/4880-73-0x0000026527FD0000-0x0000026527FE4000-memory.dmp

            Filesize

            80KB

          • memory/4880-72-0x0000026527FE0000-0x0000026527FEC000-memory.dmp

            Filesize

            48KB

          • memory/4880-71-0x0000026527F40000-0x0000026527F50000-memory.dmp

            Filesize

            64KB

          • memory/4880-70-0x00000265282B0000-0x00000265283BA000-memory.dmp

            Filesize

            1.0MB

          • memory/4880-68-0x0000026509EF0000-0x000002650D724000-memory.dmp

            Filesize

            56.2MB

          • memory/4888-67-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/4888-55-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB