Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/04/2024, 05:30

General

  • Target

    9e64c0c36c8f026b2f3ca4feb3e345a57fbf8f23b1d73fd3cb0f2e3152327958.exe

  • Size

    342KB

  • MD5

    29a1bf8f9926c5023905e8744752cf41

  • SHA1

    e791278b143b8293407bf0090563d08b32e89b31

  • SHA256

    9e64c0c36c8f026b2f3ca4feb3e345a57fbf8f23b1d73fd3cb0f2e3152327958

  • SHA512

    8dc025b1e664da2f2a2eb00e75387888c357d9cf507240dca7e66d161d09bc2c6a915b96d8137166c1e2588d0d1c8eca827756d9988d5b8c7dbb7503de787f08

  • SSDEEP

    6144:TnxvOxqTdkXAyVG2byslJyDPzM9TfBw/Mom9VcurkJbf:TxvOxqxkXAgd0zKTJw/MoY1mf

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 29 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\9e64c0c36c8f026b2f3ca4feb3e345a57fbf8f23b1d73fd3cb0f2e3152327958.exe
    "C:\Users\Admin\AppData\Local\Temp\9e64c0c36c8f026b2f3ca4feb3e345a57fbf8f23b1d73fd3cb0f2e3152327958.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3408
    • C:\Users\Admin\AppData\Local\Temp\u2mo.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2mo.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:936
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FCBFBGDBKJ.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2468
        • C:\Users\Admin\AppData\Local\Temp\FCBFBGDBKJ.exe
          "C:\Users\Admin\AppData\Local\Temp\FCBFBGDBKJ.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2832
          • 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\FCBFBGDBKJ.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1384
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:4432
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 2344
        3⤵
        • Program crash
        PID:4880
    • C:\Users\Admin\AppData\Local\Temp\u2mo.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2mo.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:1608
      • 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:4120
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 1536
      2⤵
      • Program crash
      PID:1964
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3408 -ip 3408
    1⤵
      PID:1940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 936 -ip 936
      1⤵
        PID:4932

      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\FCBFBGDBKJ.exe

              Filesize

              106KB

              MD5

              fe380780b5c35bd6d54541791151c2be

              SHA1

              7fe3a583cf91474c733f85cebf3c857682e269e1

              SHA256

              b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

              SHA512

              ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

            • C:\Users\Admin\AppData\Local\Temp\u2mo.0.exe

              Filesize

              200KB

              MD5

              e4ff41258b1e13fc1a0cf33f83505c5b

              SHA1

              c41a64aa8b5d921cf755d72dfd624066cbbdf6d8

              SHA256

              0d19b90b35d268308253e621b1b3500b1d1dd98e5f72929ba6f78961423ca594

              SHA512

              520a2c6a74f42743373e29c3aef59618e306a10a1f9ffec27990ed7533856bcc0ba8ce3174ee668418fd8325cf9ef664df29026238e21f4d234f4e7a25d0239a

            • C:\Users\Admin\AppData\Local\Temp\u2mo.1.exe

              Filesize

              4.6MB

              MD5

              397926927bca55be4a77839b1c44de6e

              SHA1

              e10f3434ef3021c399dbba047832f02b3c898dbd

              SHA256

              4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

              SHA512

              cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

            • memory/936-100-0x0000000000400000-0x0000000002B5B000-memory.dmp

              Filesize

              39.4MB

            • memory/936-15-0x0000000000400000-0x0000000002B5B000-memory.dmp

              Filesize

              39.4MB

            • memory/936-194-0x0000000000400000-0x0000000002B5B000-memory.dmp

              Filesize

              39.4MB

            • memory/936-37-0x0000000061E00000-0x0000000061EF3000-memory.dmp

              Filesize

              972KB

            • memory/936-105-0x0000000000400000-0x0000000002B5B000-memory.dmp

              Filesize

              39.4MB

            • memory/936-14-0x0000000004790000-0x00000000047B7000-memory.dmp

              Filesize

              156KB

            • memory/936-13-0x0000000002C20000-0x0000000002D20000-memory.dmp

              Filesize

              1024KB

            • memory/936-128-0x0000000002C20000-0x0000000002D20000-memory.dmp

              Filesize

              1024KB

            • memory/1608-139-0x00000000027A0000-0x00000000027A1000-memory.dmp

              Filesize

              4KB

            • memory/1608-26-0x00000000027A0000-0x00000000027A1000-memory.dmp

              Filesize

              4KB

            • memory/1608-140-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/1608-101-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/2832-195-0x0000000004E10000-0x0000000004E20000-memory.dmp

              Filesize

              64KB

            • memory/2832-198-0x00000000724C0000-0x0000000072C70000-memory.dmp

              Filesize

              7.7MB

            • memory/2832-193-0x00000000724C0000-0x0000000072C70000-memory.dmp

              Filesize

              7.7MB

            • memory/2832-192-0x00000000002E0000-0x0000000000300000-memory.dmp

              Filesize

              128KB

            • memory/3408-1-0x0000000002E00000-0x0000000002F00000-memory.dmp

              Filesize

              1024KB

            • memory/3408-32-0x0000000004930000-0x000000000499C000-memory.dmp

              Filesize

              432KB

            • memory/3408-31-0x0000000000400000-0x0000000002B7F000-memory.dmp

              Filesize

              39.5MB

            • memory/3408-3-0x0000000000400000-0x0000000002B7F000-memory.dmp

              Filesize

              39.5MB

            • memory/3408-2-0x0000000004930000-0x000000000499C000-memory.dmp

              Filesize

              432KB

            • memory/4120-153-0x000001EB2AB60000-0x000001EB2ABC2000-memory.dmp

              Filesize

              392KB

            • memory/4120-169-0x000001EB306A0000-0x000001EB30BC8000-memory.dmp

              Filesize

              5.2MB

            • memory/4120-151-0x000001EB2AAB0000-0x000001EB2AB62000-memory.dmp

              Filesize

              712KB

            • memory/4120-148-0x000001EB11B00000-0x000001EB11B24000-memory.dmp

              Filesize

              144KB

            • memory/4120-152-0x000001EB2A6B0000-0x000001EB2A72A000-memory.dmp

              Filesize

              488KB

            • memory/4120-150-0x000001EB2A680000-0x000001EB2A6AA000-memory.dmp

              Filesize

              168KB

            • memory/4120-154-0x000001EB2AC40000-0x000001EB2ACB6000-memory.dmp

              Filesize

              472KB

            • memory/4120-155-0x000001EB2A670000-0x000001EB2A67A000-memory.dmp

              Filesize

              40KB

            • memory/4120-159-0x000001EB2ACC0000-0x000001EB2AFC0000-memory.dmp

              Filesize

              3.0MB

            • memory/4120-162-0x000001EB2A750000-0x000001EB2A760000-memory.dmp

              Filesize

              64KB

            • memory/4120-164-0x000001EB2F0A0000-0x000001EB2F0A8000-memory.dmp

              Filesize

              32KB

            • memory/4120-163-0x000001EB2A750000-0x000001EB2A760000-memory.dmp

              Filesize

              64KB

            • memory/4120-161-0x000001EB2A750000-0x000001EB2A760000-memory.dmp

              Filesize

              64KB

            • memory/4120-165-0x000001EB2F020000-0x000001EB2F058000-memory.dmp

              Filesize

              224KB

            • memory/4120-166-0x000001EB2EFF0000-0x000001EB2EFFE000-memory.dmp

              Filesize

              56KB

            • memory/4120-168-0x000001EB30150000-0x000001EB30172000-memory.dmp

              Filesize

              136KB

            • memory/4120-167-0x000001EB30140000-0x000001EB3014A000-memory.dmp

              Filesize

              40KB

            • memory/4120-149-0x000001EB11AA0000-0x000001EB11AAA000-memory.dmp

              Filesize

              40KB

            • memory/4120-173-0x000001EB2FEC0000-0x000001EB2FECC000-memory.dmp

              Filesize

              48KB

            • memory/4120-172-0x000001EB2FF10000-0x000001EB2FF60000-memory.dmp

              Filesize

              320KB

            • memory/4120-147-0x000001EB11A80000-0x000001EB11A94000-memory.dmp

              Filesize

              80KB

            • memory/4120-182-0x000001EB2FF60000-0x000001EB2FF82000-memory.dmp

              Filesize

              136KB

            • memory/4120-184-0x000001EB2AFE0000-0x000001EB2AFFE000-memory.dmp

              Filesize

              120KB

            • memory/4120-144-0x000001EB2A860000-0x000001EB2A970000-memory.dmp

              Filesize

              1.1MB

            • memory/4120-145-0x000001EB10190000-0x000001EB101A0000-memory.dmp

              Filesize

              64KB

            • memory/4120-146-0x000001EB11A90000-0x000001EB11A9C000-memory.dmp

              Filesize

              48KB

            • memory/4120-143-0x000001EB2A750000-0x000001EB2A760000-memory.dmp

              Filesize

              64KB

            • memory/4120-142-0x000001EB0C3F0000-0x000001EB0FCE8000-memory.dmp

              Filesize

              57.0MB

            • memory/4120-141-0x00007FFE26C80000-0x00007FFE27741000-memory.dmp

              Filesize

              10.8MB

            • memory/4120-199-0x00007FFE26C80000-0x00007FFE27741000-memory.dmp

              Filesize

              10.8MB

            • memory/4120-201-0x000001EB2A750000-0x000001EB2A760000-memory.dmp

              Filesize

              64KB

            • memory/4120-200-0x000001EB2A750000-0x000001EB2A760000-memory.dmp

              Filesize

              64KB

            • memory/4120-202-0x000001EB2A750000-0x000001EB2A760000-memory.dmp

              Filesize

              64KB

            • memory/4120-203-0x000001EB2A750000-0x000001EB2A760000-memory.dmp

              Filesize

              64KB

            • memory/4120-204-0x000001EB2A750000-0x000001EB2A760000-memory.dmp

              Filesize

              64KB