Analysis

  • max time kernel
    122s
  • max time network
    141s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/04/2024, 12:33

General

  • Target

    0d21331e3e61a71148e5b445e4d464f02da63033512eef0fdb04dac5d87df3b2.exe

  • Size

    430KB

  • MD5

    60de1499fbb1441ae170fd55073570ed

  • SHA1

    6db50c68c2409848eda7447178b2b42de8265719

  • SHA256

    0d21331e3e61a71148e5b445e4d464f02da63033512eef0fdb04dac5d87df3b2

  • SHA512

    746fb9b2fc77d08b7dbb36bb72c3bf15bed433ac072d0b0cf147950dcdda60914914e0c9284c4ad456c5a844e349bace66a33a44d397107c9ce19ce6ac7c0307

  • SSDEEP

    12288:9RZOzGbjLt3GCzB1CNFq0Q2rPxa5ZfxteU:9Z3GCzB1aq0Q8a5BPeU

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
  • 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 21 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\0d21331e3e61a71148e5b445e4d464f02da63033512eef0fdb04dac5d87df3b2.exe
    "C:\Users\Admin\AppData\Local\Temp\0d21331e3e61a71148e5b445e4d464f02da63033512eef0fdb04dac5d87df3b2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3604
    • C:\Users\Admin\AppData\Local\Temp\u2s4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2s4.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3316
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FHCAEGCBFH.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4908
        • C:\Users\Admin\AppData\Local\Temp\FHCAEGCBFH.exe
          "C:\Users\Admin\AppData\Local\Temp\FHCAEGCBFH.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:5024
          • 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\FHCAEGCBFH.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2044
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:4080
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3316 -s 2476
        3⤵
        • Program crash
        PID:2912
    • C:\Users\Admin\AppData\Local\Temp\u2s4.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2s4.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2960
      • 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:1316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 1644
      2⤵
      • Program crash
      PID:1688
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3604 -ip 3604
    1⤵
      PID:4512
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3316 -ip 3316
      1⤵
        PID:2192

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            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\FHCAEGCBFH.exe

              Filesize

              106KB

              MD5

              fe380780b5c35bd6d54541791151c2be

              SHA1

              7fe3a583cf91474c733f85cebf3c857682e269e1

              SHA256

              b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

              SHA512

              ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

            • C:\Users\Admin\AppData\Local\Temp\u2s4.0.exe

              Filesize

              289KB

              MD5

              9105a03d2ead89d612c53f1dc322eb9e

              SHA1

              af3d72c0f399ba16b678910e21eb04e8e6122bee

              SHA256

              c975efca05f5c6f2abc2491a6f8d3d498438622d045c7370bf6d68a53e0241a7

              SHA512

              4dd290c0ce5fd4414600f3c869a6ee6fba2c7b8ec856d6aed0dffb17253eb0c37b4945d2c5881d1fc40547c8f1b1ef22e63fce229ebfc19022e44b8ee87b2fcf

            • C:\Users\Admin\AppData\Local\Temp\u2s4.1.exe

              Filesize

              4.6MB

              MD5

              397926927bca55be4a77839b1c44de6e

              SHA1

              e10f3434ef3021c399dbba047832f02b3c898dbd

              SHA256

              4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

              SHA512

              cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

            • memory/1316-170-0x000002652FE20000-0x0000026530348000-memory.dmp

              Filesize

              5.2MB

            • memory/1316-181-0x000002652B080000-0x000002652B09E000-memory.dmp

              Filesize

              120KB

            • memory/1316-200-0x0000026511D70000-0x0000026511D80000-memory.dmp

              Filesize

              64KB

            • memory/1316-199-0x0000026511D70000-0x0000026511D80000-memory.dmp

              Filesize

              64KB

            • memory/1316-198-0x0000026511D70000-0x0000026511D80000-memory.dmp

              Filesize

              64KB

            • memory/1316-197-0x0000026511D70000-0x0000026511D80000-memory.dmp

              Filesize

              64KB

            • memory/1316-196-0x00007FF938950000-0x00007FF939412000-memory.dmp

              Filesize

              10.8MB

            • memory/1316-161-0x0000026511D70000-0x0000026511D80000-memory.dmp

              Filesize

              64KB

            • memory/1316-159-0x000002652AC20000-0x000002652AF20000-memory.dmp

              Filesize

              3.0MB

            • memory/1316-180-0x000002652B050000-0x000002652B072000-memory.dmp

              Filesize

              136KB

            • memory/1316-173-0x000002652F6D0000-0x000002652F720000-memory.dmp

              Filesize

              320KB

            • memory/1316-141-0x00007FF938950000-0x00007FF939412000-memory.dmp

              Filesize

              10.8MB

            • memory/1316-142-0x000002650C650000-0x000002650FF48000-memory.dmp

              Filesize

              57.0MB

            • memory/1316-143-0x0000026511D70000-0x0000026511D80000-memory.dmp

              Filesize

              64KB

            • memory/1316-144-0x000002652A790000-0x000002652A8A0000-memory.dmp

              Filesize

              1.1MB

            • memory/1316-145-0x00000265103B0000-0x00000265103C0000-memory.dmp

              Filesize

              64KB

            • memory/1316-146-0x0000026511D60000-0x0000026511D6C000-memory.dmp

              Filesize

              48KB

            • memory/1316-147-0x0000026511CB0000-0x0000026511CC4000-memory.dmp

              Filesize

              80KB

            • memory/1316-148-0x000002652A690000-0x000002652A6B4000-memory.dmp

              Filesize

              144KB

            • memory/1316-149-0x000002652A6D0000-0x000002652A6DA000-memory.dmp

              Filesize

              40KB

            • memory/1316-151-0x000002652A9F0000-0x000002652AAA2000-memory.dmp

              Filesize

              712KB

            • memory/1316-162-0x000002652F640000-0x000002652F648000-memory.dmp

              Filesize

              32KB

            • memory/1316-152-0x000002652AAA0000-0x000002652AB1A000-memory.dmp

              Filesize

              488KB

            • memory/1316-153-0x000002652A720000-0x000002652A782000-memory.dmp

              Filesize

              392KB

            • memory/1316-154-0x000002652ABA0000-0x000002652AC16000-memory.dmp

              Filesize

              472KB

            • memory/1316-155-0x0000026511D40000-0x0000026511D4A000-memory.dmp

              Filesize

              40KB

            • memory/1316-174-0x000002652F680000-0x000002652F68C000-memory.dmp

              Filesize

              48KB

            • memory/1316-169-0x000002652F660000-0x000002652F682000-memory.dmp

              Filesize

              136KB

            • memory/1316-150-0x000002652A6F0000-0x000002652A71A000-memory.dmp

              Filesize

              168KB

            • memory/1316-168-0x000002652F8E0000-0x000002652F8EA000-memory.dmp

              Filesize

              40KB

            • memory/1316-164-0x000002652EF80000-0x000002652EFB8000-memory.dmp

              Filesize

              224KB

            • memory/1316-167-0x0000026511D70000-0x0000026511D80000-memory.dmp

              Filesize

              64KB

            • memory/1316-166-0x0000026511D70000-0x0000026511D80000-memory.dmp

              Filesize

              64KB

            • memory/1316-165-0x000002652EF50000-0x000002652EF5E000-memory.dmp

              Filesize

              56KB

            • memory/2960-140-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/2960-26-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

              Filesize

              4KB

            • memory/2960-137-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/3316-163-0x0000000000920000-0x0000000000A20000-memory.dmp

              Filesize

              1024KB

            • memory/3316-13-0x0000000000920000-0x0000000000A20000-memory.dmp

              Filesize

              1024KB

            • memory/3316-37-0x0000000061E00000-0x0000000061EF3000-memory.dmp

              Filesize

              972KB

            • memory/3316-14-0x0000000002580000-0x00000000025A7000-memory.dmp

              Filesize

              156KB

            • memory/3316-15-0x0000000000400000-0x0000000000866000-memory.dmp

              Filesize

              4.4MB

            • memory/3316-127-0x0000000000400000-0x0000000000866000-memory.dmp

              Filesize

              4.4MB

            • memory/3316-191-0x0000000000400000-0x0000000000866000-memory.dmp

              Filesize

              4.4MB

            • memory/3604-2-0x0000000002640000-0x00000000026AC000-memory.dmp

              Filesize

              432KB

            • memory/3604-1-0x0000000000B40000-0x0000000000C40000-memory.dmp

              Filesize

              1024KB

            • memory/3604-3-0x0000000000400000-0x0000000000889000-memory.dmp

              Filesize

              4.5MB

            • memory/3604-32-0x0000000002640000-0x00000000026AC000-memory.dmp

              Filesize

              432KB

            • memory/3604-31-0x0000000000400000-0x0000000000889000-memory.dmp

              Filesize

              4.5MB

            • memory/5024-189-0x0000000000890000-0x00000000008B0000-memory.dmp

              Filesize

              128KB

            • memory/5024-192-0x00000000054B0000-0x00000000054C0000-memory.dmp

              Filesize

              64KB

            • memory/5024-190-0x0000000072740000-0x0000000072EF1000-memory.dmp

              Filesize

              7.7MB

            • memory/5024-195-0x0000000072740000-0x0000000072EF1000-memory.dmp

              Filesize

              7.7MB