Analysis

  • max time kernel
    129s
  • max time network
    130s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-05-2024 07:20

General

  • Target

    b08473bff111ec4617ecd287d1e5eacae280d07b2f5279e54d5f99a750ae62b0.exe

  • Size

    416KB

  • MD5

    04e226982ac08637e4a2628b3f88bc2c

  • SHA1

    fd589c92d3ab600c5a69ea859387d59464f536d3

  • SHA256

    b08473bff111ec4617ecd287d1e5eacae280d07b2f5279e54d5f99a750ae62b0

  • SHA512

    7d1703c60594060f9edb20ce7e11db2838132fc32c9a37631e0e8d905b2c345197bdbc181c77df12420af391b86722e3115bf1fc139577b6941edc62067cb513

  • SSDEEP

    12288:t3qzdg7K81Yszs4M1+KsjHhuYWa3KtwrSAPt68:MmZYR8jHhuYF168

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
  • 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 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 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b08473bff111ec4617ecd287d1e5eacae280d07b2f5279e54d5f99a750ae62b0.exe
    "C:\Users\Admin\AppData\Local\Temp\b08473bff111ec4617ecd287d1e5eacae280d07b2f5279e54d5f99a750ae62b0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3288
    • C:\Users\Admin\AppData\Local\Temp\u2jc.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2jc.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:3336
    • C:\Users\Admin\AppData\Local\Temp\u2jc.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2jc.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3284
      • 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:4936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3288 -s 1524
      2⤵
      • Program crash
      PID:2136
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3288 -ip 3288
    1⤵
      PID:1864

    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\iolo\dm\ioloDMLog.txt

      Filesize

      2KB

      MD5

      1aba1fe734371373d3fd94b5c757bb5c

      SHA1

      046e986196a583e3ddfda4828193330f2ca46549

      SHA256

      cad068e6f37b2c21e42e08c9956bbe4e87181c212df4fa5fc74e6065d6d6a042

      SHA512

      949bcac4b7c963ae9b54878651306cb7de69a02184d849106aaaa1108c36e5b2aecdf15fa0ce9cbb4aa7002c71b261929742862d549738697c52eb1950f75db1

    • C:\Users\Admin\AppData\Local\Temp\u2jc.0.exe

      Filesize

      275KB

      MD5

      f3b64df1e1dcadb996afbd29f802b98f

      SHA1

      cc732d26d161e0369cb31b6e1d69dbe966540e56

      SHA256

      bb00ccce42346fcb6962e38f7e5cb22537210e838ee150731fb17babe2d114a1

      SHA512

      d17eb25749d97647175f9704685bee347631fbf72bf718d997e98ac9fea0c5bd41772430982f7e28ef1f2dfcf0a716ca634559033435c4e12da72caad8d63c3b

    • C:\Users\Admin\AppData\Local\Temp\u2jc.1.exe

      Filesize

      4.6MB

      MD5

      397926927bca55be4a77839b1c44de6e

      SHA1

      e10f3434ef3021c399dbba047832f02b3c898dbd

      SHA256

      4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

      SHA512

      cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

    • memory/3284-137-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/3284-125-0x0000000000400000-0x00000000008AD000-memory.dmp

      Filesize

      4.7MB

    • memory/3288-67-0x0000000003750000-0x00000000037BC000-memory.dmp

      Filesize

      432KB

    • memory/3288-66-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3288-65-0x0000000000400000-0x0000000001A32000-memory.dmp

      Filesize

      22.2MB

    • memory/3288-1-0x0000000001BF0000-0x0000000001CF0000-memory.dmp

      Filesize

      1024KB

    • memory/3288-2-0x0000000003750000-0x00000000037BC000-memory.dmp

      Filesize

      432KB

    • memory/3288-3-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3336-30-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/3336-17-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3336-109-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/3336-16-0x0000000000400000-0x0000000001A0F000-memory.dmp

      Filesize

      22.1MB

    • memory/4936-140-0x0000021FE5B10000-0x0000021FE5B20000-memory.dmp

      Filesize

      64KB

    • memory/4936-149-0x0000021FE61A0000-0x0000021FE6216000-memory.dmp

      Filesize

      472KB

    • memory/4936-138-0x0000021FC7C40000-0x0000021FCB538000-memory.dmp

      Filesize

      57.0MB

    • memory/4936-141-0x0000021FE5B30000-0x0000021FE5B3C000-memory.dmp

      Filesize

      48KB

    • memory/4936-142-0x0000021FE5B20000-0x0000021FE5B34000-memory.dmp

      Filesize

      80KB

    • memory/4936-143-0x0000021FE5B90000-0x0000021FE5BB4000-memory.dmp

      Filesize

      144KB

    • memory/4936-144-0x0000021FE5BC0000-0x0000021FE5BCA000-memory.dmp

      Filesize

      40KB

    • memory/4936-145-0x0000021FE5DF0000-0x0000021FE5EA2000-memory.dmp

      Filesize

      712KB

    • memory/4936-146-0x0000021FE6010000-0x0000021FE603A000-memory.dmp

      Filesize

      168KB

    • memory/4936-147-0x0000021FE6040000-0x0000021FE60BA000-memory.dmp

      Filesize

      488KB

    • memory/4936-148-0x0000021FE60C0000-0x0000021FE6122000-memory.dmp

      Filesize

      392KB

    • memory/4936-139-0x0000021FE5CE0000-0x0000021FE5DF0000-memory.dmp

      Filesize

      1.1MB

    • memory/4936-150-0x0000021FCBA20000-0x0000021FCBA2A000-memory.dmp

      Filesize

      40KB

    • memory/4936-154-0x0000021FE6220000-0x0000021FE6520000-memory.dmp

      Filesize

      3.0MB

    • memory/4936-156-0x0000021FEAC30000-0x0000021FEAC38000-memory.dmp

      Filesize

      32KB

    • memory/4936-157-0x0000021FEA5B0000-0x0000021FEA5E8000-memory.dmp

      Filesize

      224KB

    • memory/4936-158-0x0000021FEA580000-0x0000021FEA58E000-memory.dmp

      Filesize

      56KB

    • memory/4936-159-0x0000021FEAC40000-0x0000021FEAC4A000-memory.dmp

      Filesize

      40KB

    • memory/4936-160-0x0000021FEAEE0000-0x0000021FEAF02000-memory.dmp

      Filesize

      136KB

    • memory/4936-161-0x0000021FEB430000-0x0000021FEB958000-memory.dmp

      Filesize

      5.2MB

    • memory/4936-164-0x0000021FEACB0000-0x0000021FEAD00000-memory.dmp

      Filesize

      320KB

    • memory/4936-165-0x0000021FEAC60000-0x0000021FEAC6C000-memory.dmp

      Filesize

      48KB

    • memory/4936-166-0x0000021FEAD00000-0x0000021FEAD22000-memory.dmp

      Filesize

      136KB

    • memory/4936-167-0x0000021FEAD30000-0x0000021FEAD4E000-memory.dmp

      Filesize

      120KB