Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 01:05

General

  • Target

    5b60c0018090227f0a73214ca25807d1fa59e6f979f42182fb92fbd83caa0f27.exe

  • Size

    405KB

  • MD5

    17ccee7c56fd54d6ceffa737862eca55

  • SHA1

    3393aa5105e58d6173064316f937ce73806ccbb5

  • SHA256

    5b60c0018090227f0a73214ca25807d1fa59e6f979f42182fb92fbd83caa0f27

  • SHA512

    553ce8ffe79b5a813bf028541bd9dfdabddddaa110e6ff849ef59822d11eb11a647ab57a5bf23931cc6bbb268e65ab38b192de7905f76f0c7520384aa085e08c

  • SSDEEP

    6144:BVeibTH/gXMkkjS7+YfhPIQl61800RNmeTkKmDe5uMuNdvZ9zg8sQXFtTcbaQf:aAzgXMtj8+Y5Al18XgFFVBgbQXrcbnf

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Signatures

  • Buer

    Buer is a new modular loader first seen in August 2019.

  • 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 3 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 54 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\5b60c0018090227f0a73214ca25807d1fa59e6f979f42182fb92fbd83caa0f27.exe
    "C:\Users\Admin\AppData\Local\Temp\5b60c0018090227f0a73214ca25807d1fa59e6f979f42182fb92fbd83caa0f27.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3280
    • C:\Users\Admin\AppData\Local\Temp\u2j4.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2j4.0.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:3804
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HDAAAAFIIJ.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1936
        • C:\Users\Admin\AppData\Local\Temp\HDAAAAFIIJ.exe
          "C:\Users\Admin\AppData\Local\Temp\HDAAAAFIIJ.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1568
          • 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\HDAAAAFIIJ.exe
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3536
            • C:\Windows\SysWOW64\PING.EXE
              ping 2.2.2.2 -n 1 -w 3000
              6⤵
              • Runs ping.exe
              PID:700
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3804 -s 2128
        3⤵
        • Program crash
        PID:332
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3804 -s 2520
        3⤵
        • Program crash
        PID:4028
    • C:\Users\Admin\AppData\Local\Temp\u2j4.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2j4.1.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:3928
      • 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:2252
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3280 -s 1512
      2⤵
      • Program crash
      PID:4864
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3280 -ip 3280
    1⤵
      PID:4748
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3636 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:3
      1⤵
        PID:208
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3804 -ip 3804
        1⤵
          PID:644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3804 -ip 3804
          1⤵
            PID:700
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4016 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:3852

            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\Edge\User Data\Default\Network\SCT Auditing Pending Reports

              Filesize

              2B

              MD5

              d751713988987e9331980363e24189ce

              SHA1

              97d170e1550eee4afc0af065b78cda302a97674c

              SHA256

              4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

              SHA512

              b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

              Filesize

              40B

              MD5

              20d4b8fa017a12a108c87f540836e250

              SHA1

              1ac617fac131262b6d3ce1f52f5907e31d5f6f00

              SHA256

              6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

              SHA512

              507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

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

              Filesize

              106KB

              MD5

              fe380780b5c35bd6d54541791151c2be

              SHA1

              7fe3a583cf91474c733f85cebf3c857682e269e1

              SHA256

              b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53

              SHA512

              ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c

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

              Filesize

              2KB

              MD5

              115855e6163a797d5c012b8d9c19c399

              SHA1

              0fc7c1aa7395d447c160d4fb4ec753134e788210

              SHA256

              7c6798bb2ec736a467804ec6f2ba2fdaf53dbc5fc389c4a53ca668201012da43

              SHA512

              0f2875fc21e61472ba3bb0a560b31e82e53e4ba1a26bbbd902ea58851a8460e7dd16dbccd67413d25f84e639d0c79c9dd1cbd8010fb6946b34d49459c192e4cd

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

              Filesize

              3KB

              MD5

              0b63199bd893bf2d1b3cf073ca93d4f1

              SHA1

              11096ff2de90afa2931086961124d9ff70708f4c

              SHA256

              63eaf85bb678b80c0935b96348323f07efe44183b45a004521b29fc1b89d4b35

              SHA512

              d4d3b09e293232f034bcc02a32ffd1aac9c6a847d129a8fe2bfda8d3277e81c079d852cf5ea76ba4be735caa43bee5d13321e3c516eff4191e9acfc75210e6cf

            • C:\Users\Admin\AppData\Local\Temp\u2j4.0.exe

              Filesize

              260KB

              MD5

              6a23820324c8874b3ed7b0f9e7aaf476

              SHA1

              b68bd93f16851258a8524c84b1b9a0d00153bc3b

              SHA256

              03a9bec29f23f745408a4cd251b269d9bb0f5c2e28688675beae2e80c19e6c57

              SHA512

              da0d23cc4027728cf8d34052469d1bc056eee50f200da82ac09f4d25a9a46b42fae8284c4d8f9f408700d309c1c9b1a86fa04940fe8256436820728e99a63fc8

            • C:\Users\Admin\AppData\Local\Temp\u2j4.1.exe

              Filesize

              4.6MB

              MD5

              397926927bca55be4a77839b1c44de6e

              SHA1

              e10f3434ef3021c399dbba047832f02b3c898dbd

              SHA256

              4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

              SHA512

              cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

            • memory/1568-152-0x0000000071D10000-0x00000000724C0000-memory.dmp

              Filesize

              7.7MB

            • memory/1568-154-0x00000000002D0000-0x00000000002F0000-memory.dmp

              Filesize

              128KB

            • memory/1568-171-0x0000000004C50000-0x0000000004C60000-memory.dmp

              Filesize

              64KB

            • memory/1568-180-0x0000000071D10000-0x00000000724C0000-memory.dmp

              Filesize

              7.7MB

            • memory/2252-191-0x000001BE6BD60000-0x000001BE6C060000-memory.dmp

              Filesize

              3.0MB

            • memory/2252-198-0x000001BE70040000-0x000001BE7004E000-memory.dmp

              Filesize

              56KB

            • memory/2252-212-0x000001BE6B4B0000-0x000001BE6B4C0000-memory.dmp

              Filesize

              64KB

            • memory/2252-211-0x000001BE6B4B0000-0x000001BE6B4C0000-memory.dmp

              Filesize

              64KB

            • memory/2252-210-0x000001BE6B4B0000-0x000001BE6B4C0000-memory.dmp

              Filesize

              64KB

            • memory/2252-208-0x000001BE712D0000-0x000001BE712EE000-memory.dmp

              Filesize

              120KB

            • memory/2252-207-0x000001BE712A0000-0x000001BE712C2000-memory.dmp

              Filesize

              136KB

            • memory/2252-206-0x000001BE6B4B0000-0x000001BE6B4C0000-memory.dmp

              Filesize

              64KB

            • memory/2252-205-0x000001BE70F80000-0x000001BE70F8C000-memory.dmp

              Filesize

              48KB

            • memory/2252-204-0x000001BE70FD0000-0x000001BE71020000-memory.dmp

              Filesize

              320KB

            • memory/2252-201-0x000001BE714C0000-0x000001BE719E8000-memory.dmp

              Filesize

              5.2MB

            • memory/2252-200-0x000001BE70F60000-0x000001BE70F82000-memory.dmp

              Filesize

              136KB

            • memory/2252-199-0x000001BE70F50000-0x000001BE70F5A000-memory.dmp

              Filesize

              40KB

            • memory/2252-197-0x000001BE70070000-0x000001BE700A8000-memory.dmp

              Filesize

              224KB

            • memory/2252-169-0x00007FF9D3E70000-0x00007FF9D4931000-memory.dmp

              Filesize

              10.8MB

            • memory/2252-170-0x000001BE65700000-0x000001BE68FF8000-memory.dmp

              Filesize

              57.0MB

            • memory/2252-196-0x000001BE70730000-0x000001BE70738000-memory.dmp

              Filesize

              32KB

            • memory/2252-172-0x000001BE6B4B0000-0x000001BE6B4C0000-memory.dmp

              Filesize

              64KB

            • memory/2252-173-0x000001BE6B850000-0x000001BE6B960000-memory.dmp

              Filesize

              1.1MB

            • memory/2252-174-0x000001BE6AD10000-0x000001BE6AD20000-memory.dmp

              Filesize

              64KB

            • memory/2252-175-0x000001BE6B470000-0x000001BE6B47C000-memory.dmp

              Filesize

              48KB

            • memory/2252-176-0x000001BE6AD20000-0x000001BE6AD34000-memory.dmp

              Filesize

              80KB

            • memory/2252-179-0x000001BE6B490000-0x000001BE6B4B4000-memory.dmp

              Filesize

              144KB

            • memory/2252-195-0x000001BE6B4B0000-0x000001BE6B4C0000-memory.dmp

              Filesize

              64KB

            • memory/2252-181-0x000001BE6B710000-0x000001BE6B71A000-memory.dmp

              Filesize

              40KB

            • memory/2252-182-0x000001BE6BAA0000-0x000001BE6BACA000-memory.dmp

              Filesize

              168KB

            • memory/2252-183-0x000001BE6BAD0000-0x000001BE6BB82000-memory.dmp

              Filesize

              712KB

            • memory/2252-184-0x000001BE6BB80000-0x000001BE6BBFA000-memory.dmp

              Filesize

              488KB

            • memory/2252-185-0x000001BE6BC00000-0x000001BE6BC62000-memory.dmp

              Filesize

              392KB

            • memory/2252-186-0x000001BE6BCE0000-0x000001BE6BD56000-memory.dmp

              Filesize

              472KB

            • memory/2252-187-0x000001BE6ACF0000-0x000001BE6ACFA000-memory.dmp

              Filesize

              40KB

            • memory/2252-194-0x00007FF9D3E70000-0x00007FF9D4931000-memory.dmp

              Filesize

              10.8MB

            • memory/2252-193-0x000001BE6B4B0000-0x000001BE6B4C0000-memory.dmp

              Filesize

              64KB

            • memory/3280-2-0x00000000028D0000-0x000000000293E000-memory.dmp

              Filesize

              440KB

            • memory/3280-1-0x0000000000DD0000-0x0000000000ED0000-memory.dmp

              Filesize

              1024KB

            • memory/3280-3-0x0000000000400000-0x0000000000B0F000-memory.dmp

              Filesize

              7.1MB

            • memory/3280-93-0x0000000000DD0000-0x0000000000ED0000-memory.dmp

              Filesize

              1024KB

            • memory/3280-94-0x00000000028D0000-0x000000000293E000-memory.dmp

              Filesize

              440KB

            • memory/3280-28-0x0000000000400000-0x0000000000B0F000-memory.dmp

              Filesize

              7.1MB

            • memory/3280-4-0x0000000000400000-0x0000000000B0F000-memory.dmp

              Filesize

              7.1MB

            • memory/3804-14-0x0000000000CC0000-0x0000000000DC0000-memory.dmp

              Filesize

              1024KB

            • memory/3804-15-0x0000000000C70000-0x0000000000C97000-memory.dmp

              Filesize

              156KB

            • memory/3804-16-0x0000000000400000-0x0000000000AEA000-memory.dmp

              Filesize

              6.9MB

            • memory/3804-165-0x0000000000400000-0x0000000000AEA000-memory.dmp

              Filesize

              6.9MB

            • memory/3804-30-0x0000000061E00000-0x0000000061EF3000-memory.dmp

              Filesize

              972KB

            • memory/3804-92-0x0000000000400000-0x0000000000AEA000-memory.dmp

              Filesize

              6.9MB

            • memory/3928-29-0x0000000000C00000-0x0000000000C01000-memory.dmp

              Filesize

              4KB

            • memory/3928-133-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB

            • memory/3928-166-0x0000000000400000-0x00000000008AD000-memory.dmp

              Filesize

              4.7MB