Analysis

  • max time kernel
    128s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 19:30

General

  • Target

    f860335bbad79b684c9b0f49a0b1f12bffd6fee18bbcc9bf39775c24f19ce6f5.exe

  • Size

    430KB

  • MD5

    1ac708b1ee362ca0967e056c19920ab8

  • SHA1

    65aa9ac7849ffc03c27842dc4e23cf0c095f1e3b

  • SHA256

    f860335bbad79b684c9b0f49a0b1f12bffd6fee18bbcc9bf39775c24f19ce6f5

  • SHA512

    ab999eacacf4aeb05aa0bf5d53863008ba96fa0e072085f89a69ba33924a7a759ab752253c20d2dffe730bbad55586734b4ba5c7bb8bcb87c561ffeecbe26c4a

  • SSDEEP

    12288:6cngs+cvhCpAa+RRwKNpqoz74/5D0qokyRr:6gJOf+RL5z74/5D0CyRr

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 30 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\f860335bbad79b684c9b0f49a0b1f12bffd6fee18bbcc9bf39775c24f19ce6f5.exe
    "C:\Users\Admin\AppData\Local\Temp\f860335bbad79b684c9b0f49a0b1f12bffd6fee18bbcc9bf39775c24f19ce6f5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4392
    • C:\Users\Admin\AppData\Local\Temp\u3e0.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u3e0.0.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:4360
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AAKKECFBGI.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2764
        • C:\Users\Admin\AppData\Local\Temp\AAKKECFBGI.exe
          "C:\Users\Admin\AppData\Local\Temp\AAKKECFBGI.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1904
          • 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\AAKKECFBGI.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2964
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:744
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4360 -s 2404
        3⤵
        • Program crash
        PID:5060
    • C:\Users\Admin\AppData\Local\Temp\u3e0.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u3e0.1.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:3748
      • 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:4304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 844
      2⤵
      • Program crash
      PID:460
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4392 -ip 4392
    1⤵
      PID:4872
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4360 -ip 4360
      1⤵
        PID:1436

      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\AAKKECFBGI.exe

              Filesize

              106KB

              MD5

              fe380780b5c35bd6d54541791151c2be

              SHA1

              7fe3a583cf91474c733f85cebf3c857682e269e1

              SHA256

              b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

              SHA512

              ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

            • C:\Users\Admin\AppData\Local\Temp\u3e0.0.exe

              Filesize

              297KB

              MD5

              c143cd1349493637a4b0245a7657047c

              SHA1

              71db6b6454570fd15c4d236cf9052d8d42080875

              SHA256

              03dbee406c07f96049083a0bab70a05d16be0b261f258f45056e8a2ada41b22b

              SHA512

              746b811368b67d54333117b015112d6ede3255850b806106c007c88aa6839ae0f7dfa03e8c4c8e23e8c7a9cf7a24b3dad8bbca3a9ea282a22116f01ff784cd31

            • C:\Users\Admin\AppData\Local\Temp\u3e0.1.exe

              Filesize

              4.6MB

              MD5

              397926927bca55be4a77839b1c44de6e

              SHA1

              e10f3434ef3021c399dbba047832f02b3c898dbd

              SHA256

              4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

              SHA512

              cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

            • memory/1904-190-0x0000000000710000-0x0000000000730000-memory.dmp

              Filesize

              128KB

            • memory/1904-191-0x0000000071CD0000-0x0000000072480000-memory.dmp

              Filesize

              7.7MB

            • memory/1904-193-0x00000000050A0000-0x00000000050B0000-memory.dmp

              Filesize

              64KB

            • memory/1904-196-0x0000000071CD0000-0x0000000072480000-memory.dmp

              Filesize

              7.7MB

            • memory/3748-65-0x0000000000C00000-0x0000000000C01000-memory.dmp

              Filesize

              4KB

            • memory/3748-136-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/3748-124-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/4304-149-0x0000021C2BFC0000-0x0000021C2C072000-memory.dmp

              Filesize

              712KB

            • memory/4304-160-0x0000021C2BB00000-0x0000021C2BB10000-memory.dmp

              Filesize

              64KB

            • memory/4304-201-0x0000021C2BB00000-0x0000021C2BB10000-memory.dmp

              Filesize

              64KB

            • memory/4304-200-0x0000021C2BB00000-0x0000021C2BB10000-memory.dmp

              Filesize

              64KB

            • memory/4304-137-0x00007FFAF5C40000-0x00007FFAF6701000-memory.dmp

              Filesize

              10.8MB

            • memory/4304-138-0x0000021C0DBE0000-0x0000021C114D8000-memory.dmp

              Filesize

              57.0MB

            • memory/4304-199-0x0000021C2BB00000-0x0000021C2BB10000-memory.dmp

              Filesize

              64KB

            • memory/4304-198-0x0000021C2BB00000-0x0000021C2BB10000-memory.dmp

              Filesize

              64KB

            • memory/4304-141-0x0000021C2BB00000-0x0000021C2BB10000-memory.dmp

              Filesize

              64KB

            • memory/4304-142-0x0000021C2BD40000-0x0000021C2BE50000-memory.dmp

              Filesize

              1.1MB

            • memory/4304-144-0x0000021C2BAF0000-0x0000021C2BAFC000-memory.dmp

              Filesize

              48KB

            • memory/4304-143-0x0000021C11AE0000-0x0000021C11AF0000-memory.dmp

              Filesize

              64KB

            • memory/4304-145-0x0000021C11AF0000-0x0000021C11B04000-memory.dmp

              Filesize

              80KB

            • memory/4304-146-0x0000021C2BBA0000-0x0000021C2BBC4000-memory.dmp

              Filesize

              144KB

            • memory/4304-147-0x0000021C2BBD0000-0x0000021C2BBDA000-memory.dmp

              Filesize

              40KB

            • memory/4304-148-0x0000021C2BF90000-0x0000021C2BFBA000-memory.dmp

              Filesize

              168KB

            • memory/4304-150-0x0000021C2C070000-0x0000021C2C0EA000-memory.dmp

              Filesize

              488KB

            • memory/4304-197-0x00007FFAF5C40000-0x00007FFAF6701000-memory.dmp

              Filesize

              10.8MB

            • memory/4304-151-0x0000021C2C0F0000-0x0000021C2C152000-memory.dmp

              Filesize

              392KB

            • memory/4304-152-0x0000021C2C1D0000-0x0000021C2C246000-memory.dmp

              Filesize

              472KB

            • memory/4304-153-0x0000021C2BBE0000-0x0000021C2BBEA000-memory.dmp

              Filesize

              40KB

            • memory/4304-157-0x0000021C2C250000-0x0000021C2C550000-memory.dmp

              Filesize

              3.0MB

            • memory/4304-159-0x0000021C2BB00000-0x0000021C2BB10000-memory.dmp

              Filesize

              64KB

            • memory/4304-182-0x0000021C2C570000-0x0000021C2C58E000-memory.dmp

              Filesize

              120KB

            • memory/4304-161-0x0000021C2FEA0000-0x0000021C2FEA8000-memory.dmp

              Filesize

              32KB

            • memory/4304-163-0x0000021C30570000-0x0000021C3057E000-memory.dmp

              Filesize

              56KB

            • memory/4304-162-0x0000021C305A0000-0x0000021C305D8000-memory.dmp

              Filesize

              224KB

            • memory/4304-164-0x0000021C316B0000-0x0000021C316BA000-memory.dmp

              Filesize

              40KB

            • memory/4304-165-0x0000021C316C0000-0x0000021C316E2000-memory.dmp

              Filesize

              136KB

            • memory/4304-166-0x0000021C31C10000-0x0000021C32138000-memory.dmp

              Filesize

              5.2MB

            • memory/4304-169-0x0000021C2BB00000-0x0000021C2BB10000-memory.dmp

              Filesize

              64KB

            • memory/4304-171-0x0000021C31430000-0x0000021C3143C000-memory.dmp

              Filesize

              48KB

            • memory/4304-170-0x0000021C31480000-0x0000021C314D0000-memory.dmp

              Filesize

              320KB

            • memory/4304-181-0x0000021C314D0000-0x0000021C314F2000-memory.dmp

              Filesize

              136KB

            • memory/4360-140-0x0000000000A20000-0x0000000000B20000-memory.dmp

              Filesize

              1024KB

            • memory/4360-120-0x0000000000400000-0x0000000000869000-memory.dmp

              Filesize

              4.4MB

            • memory/4360-15-0x0000000000400000-0x0000000000869000-memory.dmp

              Filesize

              4.4MB

            • memory/4360-14-0x00000000009D0000-0x00000000009F7000-memory.dmp

              Filesize

              156KB

            • memory/4360-13-0x0000000000A20000-0x0000000000B20000-memory.dmp

              Filesize

              1024KB

            • memory/4360-192-0x0000000000400000-0x0000000000869000-memory.dmp

              Filesize

              4.4MB

            • memory/4360-16-0x0000000061E00000-0x0000000061EF3000-memory.dmp

              Filesize

              972KB

            • memory/4360-139-0x0000000000400000-0x0000000000869000-memory.dmp

              Filesize

              4.4MB

            • memory/4392-3-0x0000000000400000-0x0000000000889000-memory.dmp

              Filesize

              4.5MB

            • memory/4392-2-0x0000000002640000-0x00000000026AC000-memory.dmp

              Filesize

              432KB

            • memory/4392-1-0x0000000000A40000-0x0000000000B40000-memory.dmp

              Filesize

              1024KB

            • memory/4392-70-0x0000000000400000-0x0000000000889000-memory.dmp

              Filesize

              4.5MB

            • memory/4392-71-0x0000000002640000-0x00000000026AC000-memory.dmp

              Filesize

              432KB