Analysis

  • max time kernel
    140s
  • max time network
    141s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/05/2024, 05:07

General

  • Target

    e5f5de41cde0b1bb1fd6c3503d23067502a38771990f32f606d1d11189aff7c1.exe

  • Size

    467KB

  • MD5

    9936fc01e3f3e52d4194a778525982b1

  • SHA1

    0aa28c2210a7a86bf28883ca25be234f010f7319

  • SHA256

    e5f5de41cde0b1bb1fd6c3503d23067502a38771990f32f606d1d11189aff7c1

  • SHA512

    857260ceb88c9123181b7bf5c3dfb6d019051de4a226cf76c4d449d247b01a790b436f4d9a09e771f8691cd8ec3bbaca436dce0f4cfafb3e36f649c25f9324ce

  • SSDEEP

    6144:Za9vU4yXWuTJaNO8C+qRHxLxFoOOak9kXRAUUHMUJpak2BenJJ37h1zxtI1v:Z86XWutJRHxL5ONyRAUs/J4k2yTiv

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 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 28 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\e5f5de41cde0b1bb1fd6c3503d23067502a38771990f32f606d1d11189aff7c1.exe
    "C:\Users\Admin\AppData\Local\Temp\e5f5de41cde0b1bb1fd6c3503d23067502a38771990f32f606d1d11189aff7c1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Users\Admin\AppData\Local\Temp\u3x4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3x4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3208
    • C:\Users\Admin\AppData\Local\Temp\u3x4.2\run.exe
      "C:\Users\Admin\AppData\Local\Temp\u3x4.2\run.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4188
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1956
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3524
    • C:\Users\Admin\AppData\Local\Temp\u3x4.3.exe
      "C:\Users\Admin\AppData\Local\Temp\u3x4.3.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2364
      • 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:4608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 1220
      2⤵
      • Program crash
      PID:2500
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5080 -ip 5080
    1⤵
      PID:3112

    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\Temp\9bacccf4

            Filesize

            1.4MB

            MD5

            d2b2fd898349036f8abc709ba543fadd

            SHA1

            9f30fcde06e15b1ae95389e1208324dc1b33ca0e

            SHA256

            63c7e60ac6082b2a44113fcf8701b991a67a8ec5ef3260055fb825af941338d6

            SHA512

            574b0addffe5a2476af52128d521b45f10fca6fda04b075502571db902d4a4490673b9e5f59ba0f70d87d15a3c67d091baaba3efb00921103dafbf6d4dce62b6

          • C:\Users\Admin\AppData\Local\Temp\tmpF3F6.tmp

            Filesize

            20KB

            MD5

            a603e09d617fea7517059b4924b1df93

            SHA1

            31d66e1496e0229c6a312f8be05da3f813b3fa9e

            SHA256

            ccd15f9c7a997ae2b5320ea856c7efc54b5055254d41a443d21a60c39c565cb7

            SHA512

            eadb844a84f8a660c578a2f8e65ebcb9e0b9ab67422be957f35492ff870825a4b363f96fd1c546eaacfd518f6812fcf57268ef03c149e5b1a7af145c7100e2cc

          • C:\Users\Admin\AppData\Local\Temp\tmpF418.tmp

            Filesize

            20KB

            MD5

            22be08f683bcc01d7a9799bbd2c10041

            SHA1

            2efb6041cf3d6e67970135e592569c76fc4c41de

            SHA256

            451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457

            SHA512

            0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936

          • C:\Users\Admin\AppData\Local\Temp\u3x4.0.exe

            Filesize

            322KB

            MD5

            793c7ec1adef8f8248674d51b78ba4ae

            SHA1

            54c96e93c36fb9c078695f37d6284296093e373a

            SHA256

            12d6fa2a51a3ca345d492a59ffe041f95d071f62d4570906c29d644701f16ff3

            SHA512

            0942b90d51e409253ebba0f7f37e81dea25201499ecd2bbb95faaa03a740484c1db7736142c3195afdee80a845f67a2fe96f972dd457284437d3b4af6715a3b9

          • C:\Users\Admin\AppData\Local\Temp\u3x4.1.zip

            Filesize

            1.6MB

            MD5

            9bb67e904ac371b5ffd143f8fb54e1e2

            SHA1

            58009e463133af8b89b59716fe255b118eca872c

            SHA256

            44afbc66f029be48db5d01678a0af7baf541e4a61d4b07391aa0470f0a961ded

            SHA512

            573c196dc87a1d3ea22b3ebdd2be1e4fbfbd3ea431694ec5e503f5cc6717b7d63a478c5c981ba5b467176aadd352c92f1d026b60a28b8ff76390af6903c1cdc0

          • C:\Users\Admin\AppData\Local\Temp\u3x4.2\ASUS_WMI.dll

            Filesize

            224KB

            MD5

            3f109a02c8d642e8003a1188df40d861

            SHA1

            f723f38471b8872443aa9177eef12a96c02cc84a

            SHA256

            6523b44da6fa7078c7795b7705498e487b0625e28e15aec2d270c6e4a909b5a5

            SHA512

            023696a52d48c465ab62e3ee754b445093b8a0ed0a232b430ce1f0db3dae382c9e1fba210c2b04d1018cc29bfb69c546976912f3939a76e98bcb792ae57af0da

          • C:\Users\Admin\AppData\Local\Temp\u3x4.2\ATKEX.dll

            Filesize

            84KB

            MD5

            e68562f63265e1a70881446b4b9dc455

            SHA1

            da16ef9367bde3ce892b1a0e33bc179d8acdceb3

            SHA256

            c8b16f1c6883a23021da37d9116a757f971fe919d64ef8f9dba17a7d8dd39adb

            SHA512

            6bedea10a5b50f6e93e8566c18970c8ad1b8dfc7d5961069fc5d5216dcdded0b2a2ad8dd91f4ad80f8604d573a343c126df238ee5c448cdc26b899077957a674

          • C:\Users\Admin\AppData\Local\Temp\u3x4.2\AsIO.dll

            Filesize

            120KB

            MD5

            f383f6f4e764619bd19e319335d3ef2b

            SHA1

            99f287e49a15e495b4ead8e5589364a5f87b357e

            SHA256

            03951dfe05bf74c61568aed50b9d8ce5ecf0e0c2b8e73bc37e1a699ae7eebc9d

            SHA512

            6fa960a084f42e6de25b74782d205c48ca9329997fc2ae8db902bb653da5e878ed92ced6b37472248d5bdc820fc48080ae4fce41556c4b20a049e30bf93d6934

          • C:\Users\Admin\AppData\Local\Temp\u3x4.2\doubled.doc

            Filesize

            1.2MB

            MD5

            f344794dc910dc343f92ded2c6b5e0ab

            SHA1

            e5878518ce55ce5bd1890d5e04a82eb22d5a848a

            SHA256

            3cf94707697ce0141960b05a15cbd3c3b791196995b1d21c4ff6bfb59997e235

            SHA512

            ee00ad0c728c750b6c75001ba52df7ef367bebf1cbc01e2c9370dd42b1867b5347d5e68254f427dddde3214f2fae1341ab76c7faa3a4724e1d1d43fae97d3a58

          • C:\Users\Admin\AppData\Local\Temp\u3x4.2\protactinium.log

            Filesize

            84KB

            MD5

            a276acc3fd657d7665bd4ddce8fb9749

            SHA1

            c02642eec3f4e8b0314045ee95e0a15abd853ea8

            SHA256

            6565f36d224ff27d89ad39a0d87f851f64308834d86e8a7cd02e9e1ea44187c8

            SHA512

            178476d229ff011cb1f39048acae46b42a80b2ec209b283a8237604646b09224446c5bb3a690191c4fd58813611d7c06b4fb23699cd76ad020a5d0bf4d456d79

          • C:\Users\Admin\AppData\Local\Temp\u3x4.2\run.exe

            Filesize

            446KB

            MD5

            485008b43f0edceba0e0d3ca04bc1c1a

            SHA1

            55ae8f105af415bb763d1b87f6572f078052877c

            SHA256

            12c22ba646232d5d5087d0300d5cfd46fed424f26143a02dc866f1bfceab3c10

            SHA512

            402652786daae635c7405f5fa0924d768cbde2086f9f57b10f00f921dec98e37168f5c3a6baa5593ba9a478f3971d32747c517ffd485d25634c924e6b08815b1

          • C:\Users\Admin\AppData\Local\Temp\u3x4.3.exe

            Filesize

            4.6MB

            MD5

            397926927bca55be4a77839b1c44de6e

            SHA1

            e10f3434ef3021c399dbba047832f02b3c898dbd

            SHA256

            4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

            SHA512

            cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

          • memory/1956-230-0x00007FFACF4A0000-0x00007FFACF6A9000-memory.dmp

            Filesize

            2.0MB

          • memory/1956-257-0x0000000072C60000-0x0000000072DDD000-memory.dmp

            Filesize

            1.5MB

          • memory/2364-234-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/2364-250-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/3208-17-0x0000000000400000-0x0000000001A1B000-memory.dmp

            Filesize

            22.1MB

          • memory/3208-247-0x0000000000400000-0x0000000001A1B000-memory.dmp

            Filesize

            22.1MB

          • memory/3208-16-0x0000000000400000-0x0000000001A1B000-memory.dmp

            Filesize

            22.1MB

          • memory/3208-296-0x0000000000400000-0x0000000001A1B000-memory.dmp

            Filesize

            22.1MB

          • memory/3208-297-0x0000000000400000-0x0000000001A1B000-memory.dmp

            Filesize

            22.1MB

          • memory/3208-232-0x0000000000400000-0x0000000001A1B000-memory.dmp

            Filesize

            22.1MB

          • memory/3208-102-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/3524-299-0x0000000005200000-0x0000000005292000-memory.dmp

            Filesize

            584KB

          • memory/3524-300-0x0000000005850000-0x0000000005DF6000-memory.dmp

            Filesize

            5.6MB

          • memory/3524-305-0x0000000006430000-0x000000000695C000-memory.dmp

            Filesize

            5.2MB

          • memory/3524-304-0x0000000005190000-0x000000000519A000-memory.dmp

            Filesize

            40KB

          • memory/3524-303-0x0000000005320000-0x0000000005370000-memory.dmp

            Filesize

            320KB

          • memory/3524-302-0x00000000052A0000-0x0000000005316000-memory.dmp

            Filesize

            472KB

          • memory/3524-301-0x00000000055C0000-0x0000000005782000-memory.dmp

            Filesize

            1.8MB

          • memory/3524-306-0x0000000005F40000-0x0000000005F5E000-memory.dmp

            Filesize

            120KB

          • memory/3524-307-0x0000000006010000-0x0000000006076000-memory.dmp

            Filesize

            408KB

          • memory/3524-284-0x0000000071760000-0x0000000072A77000-memory.dmp

            Filesize

            19.1MB

          • memory/3524-298-0x0000000000B50000-0x0000000000C16000-memory.dmp

            Filesize

            792KB

          • memory/4188-153-0x0000000072C60000-0x0000000072DDD000-memory.dmp

            Filesize

            1.5MB

          • memory/4188-154-0x00007FFACF4A0000-0x00007FFACF6A9000-memory.dmp

            Filesize

            2.0MB

          • memory/4188-212-0x0000000072C60000-0x0000000072DDD000-memory.dmp

            Filesize

            1.5MB

          • memory/4608-280-0x0000018949D10000-0x0000018949D32000-memory.dmp

            Filesize

            136KB

          • memory/4608-259-0x0000018944AE0000-0x0000018944B92000-memory.dmp

            Filesize

            712KB

          • memory/4608-268-0x0000018944FB0000-0x00000189452B0000-memory.dmp

            Filesize

            3.0MB

          • memory/4608-270-0x0000018949350000-0x0000018949358000-memory.dmp

            Filesize

            32KB

          • memory/4608-271-0x00000189492D0000-0x0000018949308000-memory.dmp

            Filesize

            224KB

          • memory/4608-272-0x00000189492A0000-0x00000189492AE000-memory.dmp

            Filesize

            56KB

          • memory/4608-274-0x00000189499A0000-0x00000189499C2000-memory.dmp

            Filesize

            136KB

          • memory/4608-273-0x0000018949340000-0x000001894934A000-memory.dmp

            Filesize

            40KB

          • memory/4608-275-0x0000018949F20000-0x000001894A448000-memory.dmp

            Filesize

            5.2MB

          • memory/4608-278-0x0000018949A40000-0x0000018949A90000-memory.dmp

            Filesize

            320KB

          • memory/4608-279-0x00000189499C0000-0x00000189499CC000-memory.dmp

            Filesize

            48KB

          • memory/4608-251-0x00000189269A0000-0x000001892A298000-memory.dmp

            Filesize

            57.0MB

          • memory/4608-281-0x0000018949A20000-0x0000018949A3E000-memory.dmp

            Filesize

            120KB

          • memory/4608-258-0x0000018944910000-0x000001894491A000-memory.dmp

            Filesize

            40KB

          • memory/4608-263-0x0000018944F30000-0x0000018944FA6000-memory.dmp

            Filesize

            472KB

          • memory/4608-264-0x000001892BF50000-0x000001892BF5A000-memory.dmp

            Filesize

            40KB

          • memory/4608-260-0x0000018944930000-0x000001894495A000-memory.dmp

            Filesize

            168KB

          • memory/4608-261-0x0000018944E30000-0x0000018944EAA000-memory.dmp

            Filesize

            488KB

          • memory/4608-262-0x0000018944960000-0x00000189449C2000-memory.dmp

            Filesize

            392KB

          • memory/4608-256-0x00000189448E0000-0x0000018944904000-memory.dmp

            Filesize

            144KB

          • memory/4608-255-0x000001892C0B0000-0x000001892C0C4000-memory.dmp

            Filesize

            80KB

          • memory/4608-254-0x000001892C0C0000-0x000001892C0CC000-memory.dmp

            Filesize

            48KB

          • memory/4608-253-0x000001892C0A0000-0x000001892C0B0000-memory.dmp

            Filesize

            64KB

          • memory/4608-252-0x0000018944BD0000-0x0000018944CE0000-memory.dmp

            Filesize

            1.1MB

          • memory/5080-1-0x0000000001DD0000-0x0000000001ED0000-memory.dmp

            Filesize

            1024KB

          • memory/5080-183-0x0000000000400000-0x0000000001A3F000-memory.dmp

            Filesize

            22.2MB

          • memory/5080-184-0x0000000000400000-0x0000000000470000-memory.dmp

            Filesize

            448KB

          • memory/5080-3-0x0000000000400000-0x0000000000470000-memory.dmp

            Filesize

            448KB

          • memory/5080-2-0x0000000003770000-0x00000000037DD000-memory.dmp

            Filesize

            436KB