Analysis

  • max time kernel
    140s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 09:50

General

  • Target

    c74b82cbe18818dda7bd45cec4230488c7ab2b8ecda448ccf4ca4e770ae44795.exe

  • Size

    372KB

  • MD5

    d685c662f929a07345b2b5a599698a21

  • SHA1

    3f99f7a8da372f35bad3236c7361f0ecae34b6f5

  • SHA256

    c74b82cbe18818dda7bd45cec4230488c7ab2b8ecda448ccf4ca4e770ae44795

  • SHA512

    1db5ed20b07190d381804dac29eeefb35a9e8bbed471ea2a648e98273834694a6cad2a630e8845b74a622ab706e035e3e8577600e28f16d63071cf2600bc9a07

  • SSDEEP

    6144:ipFxc1jv9NVJYCdB7H2CatlcKxtgIxvO6nuotVmUn5f9MyEITzvT7v:ipFxQVTJYcB71YtgIxvO6uorDTL3Tfv

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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 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.

  • Suspicious behavior: EnumeratesProcesses 44 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\c74b82cbe18818dda7bd45cec4230488c7ab2b8ecda448ccf4ca4e770ae44795.exe
    "C:\Users\Admin\AppData\Local\Temp\c74b82cbe18818dda7bd45cec4230488c7ab2b8ecda448ccf4ca4e770ae44795.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Users\Admin\AppData\Local\Temp\u16o.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u16o.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 2328
        3⤵
        • Program crash
        PID:2316
    • C:\Users\Admin\AppData\Local\Temp\u16o.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u16o.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:4872
      • 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:4400
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1536 -s 1144
      2⤵
      • Program crash
      PID:3800
  • 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 --field-trial-handle=4456,i,2607710392823067546,4648797561512801463,262144 --variations-seed-version --mojo-platform-channel-handle=1304 /prefetch:8
    1⤵
      PID:1204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1536 -ip 1536
      1⤵
        PID:1236
      • 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 --field-trial-handle=2892,i,2607710392823067546,4648797561512801463,262144 --variations-seed-version --mojo-platform-channel-handle=4972 /prefetch:3
        1⤵
          PID:2524
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2224 -ip 2224
          1⤵
            PID:5060

          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\iolo\dm\ioloDMLog.txt

            Filesize

            2KB

            MD5

            27e30568a8307b7bfce73ab0e675906c

            SHA1

            5e49814ba8e42caf0ca79754967fd2feee3c956b

            SHA256

            0cf4694d7db82814a6a2fd974fb87b5d34a685467ee9f2dd537d5151e73e8bd9

            SHA512

            7404d08afe1b6acf599e386eca27d4a2cdbb4bed8b673c3f062d2894c643e09a3a5fca8a9d1c639b2dc6943c3d2eca2ca7f32753a7d4e9ee8054828909630f38

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

            Filesize

            3KB

            MD5

            1d19a5484ddf9524bbf6028326148f3d

            SHA1

            c5c5d1134f4d7e39b0ca955114cdad263e275417

            SHA256

            ea6f304f41680bdad821be5b8ff3a35cf0fd7d125d92e91b605b521be0f7dfe0

            SHA512

            6dff46e09476e9903f92858cdf300edb1549198d8b2d24ab0c0fe201814354f2ecd81174cb0f8cbbb25f79ebda605a7a42564796cb56cfccbad7a7857fe423f0

          • C:\Users\Admin\AppData\Local\Temp\u16o.0.exe

            Filesize

            230KB

            MD5

            3fb9035368d04ac2ac3adab9ce20d61c

            SHA1

            d1b8c0ff81ea938bd8d33fa429f057f3a6fe8795

            SHA256

            566cda535fe8f8c0d3477479b7f3b6621204b3de2724da2a7cf3aedd52a0a9df

            SHA512

            f13b40137f21e93f336910dc6e739936ba3283d5b682f6b54c41a87ee8ddda853e8d5cb15439b785db18b1422d995fb9a126c5f1af0c2c4134e948f1305c51c3

          • C:\Users\Admin\AppData\Local\Temp\u16o.1.exe

            Filesize

            4.6MB

            MD5

            397926927bca55be4a77839b1c44de6e

            SHA1

            e10f3434ef3021c399dbba047832f02b3c898dbd

            SHA256

            4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

            SHA512

            cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

          • memory/1536-29-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/1536-28-0x0000000000400000-0x0000000002599000-memory.dmp

            Filesize

            33.6MB

          • memory/1536-1-0x0000000000400000-0x0000000002599000-memory.dmp

            Filesize

            33.6MB

          • memory/1536-2-0x0000000002720000-0x0000000002820000-memory.dmp

            Filesize

            1024KB

          • memory/1536-3-0x00000000041C0000-0x000000000422C000-memory.dmp

            Filesize

            432KB

          • memory/1536-4-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/2224-185-0x0000000000400000-0x0000000002575000-memory.dmp

            Filesize

            33.5MB

          • memory/2224-65-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/2224-163-0x0000000000400000-0x0000000002575000-memory.dmp

            Filesize

            33.5MB

          • memory/4400-120-0x0000018EAC290000-0x0000018EAC590000-memory.dmp

            Filesize

            3.0MB

          • memory/4400-89-0x0000018EABC90000-0x0000018EABC9C000-memory.dmp

            Filesize

            48KB

          • memory/4400-93-0x0000018EABD60000-0x0000018EABD8A000-memory.dmp

            Filesize

            168KB

          • memory/4400-94-0x0000018EABEF0000-0x0000018EABFA2000-memory.dmp

            Filesize

            712KB

          • memory/4400-95-0x0000018EAC240000-0x0000018EAC290000-memory.dmp

            Filesize

            320KB

          • memory/4400-97-0x0000018EABFA0000-0x0000018EABFC2000-memory.dmp

            Filesize

            136KB

          • memory/4400-91-0x0000018EABCF0000-0x0000018EABD14000-memory.dmp

            Filesize

            144KB

          • memory/4400-116-0x0000018EAB9E0000-0x0000018EAB9EA000-memory.dmp

            Filesize

            40KB

          • memory/4400-90-0x0000018EABC80000-0x0000018EABC94000-memory.dmp

            Filesize

            80KB

          • memory/4400-128-0x0000018EB0CA0000-0x0000018EB0CA8000-memory.dmp

            Filesize

            32KB

          • memory/4400-129-0x0000018EB05E0000-0x0000018EB0618000-memory.dmp

            Filesize

            224KB

          • memory/4400-130-0x0000018EB05B0000-0x0000018EB05BE000-memory.dmp

            Filesize

            56KB

          • memory/4400-131-0x0000018EB05D0000-0x0000018EB05D8000-memory.dmp

            Filesize

            32KB

          • memory/4400-132-0x0000018EB14C0000-0x0000018EB14CA000-memory.dmp

            Filesize

            40KB

          • memory/4400-133-0x0000018EB1770000-0x0000018EB17D2000-memory.dmp

            Filesize

            392KB

          • memory/4400-134-0x0000018EB17D0000-0x0000018EB17F2000-memory.dmp

            Filesize

            136KB

          • memory/4400-135-0x0000018EB1D20000-0x0000018EB2248000-memory.dmp

            Filesize

            5.2MB

          • memory/4400-141-0x0000018EB14D0000-0x0000018EB14DC000-memory.dmp

            Filesize

            48KB

          • memory/4400-88-0x0000018EABC70000-0x0000018EABC80000-memory.dmp

            Filesize

            64KB

          • memory/4400-92-0x0000018EAB9D0000-0x0000018EAB9DA000-memory.dmp

            Filesize

            40KB

          • memory/4400-158-0x0000018EB18C0000-0x0000018EB1936000-memory.dmp

            Filesize

            472KB

          • memory/4400-87-0x0000018EABFF0000-0x0000018EAC0FA000-memory.dmp

            Filesize

            1.0MB

          • memory/4400-164-0x0000018EAC5B0000-0x0000018EAC5CE000-memory.dmp

            Filesize

            120KB

          • memory/4400-174-0x0000018EABA00000-0x0000018EABBF7000-memory.dmp

            Filesize

            2.0MB

          • memory/4400-63-0x0000018E8DC10000-0x0000018E91444000-memory.dmp

            Filesize

            56.2MB

          • memory/4400-195-0x0000018EABA00000-0x0000018EABBF7000-memory.dmp

            Filesize

            2.0MB

          • memory/4400-194-0x0000018EABA00000-0x0000018EABBF7000-memory.dmp

            Filesize

            2.0MB

          • memory/4400-186-0x0000018EABA00000-0x0000018EABBF7000-memory.dmp

            Filesize

            2.0MB

          • memory/4400-187-0x0000018EABA00000-0x0000018EABBF7000-memory.dmp

            Filesize

            2.0MB

          • memory/4400-188-0x0000018EABA00000-0x0000018EABBF7000-memory.dmp

            Filesize

            2.0MB

          • memory/4400-189-0x0000018EABA00000-0x0000018EABBF7000-memory.dmp

            Filesize

            2.0MB

          • memory/4400-190-0x0000018EABA00000-0x0000018EABBF7000-memory.dmp

            Filesize

            2.0MB

          • memory/4400-191-0x0000018EABA00000-0x0000018EABBF7000-memory.dmp

            Filesize

            2.0MB

          • memory/4400-192-0x0000018EABA00000-0x0000018EABBF7000-memory.dmp

            Filesize

            2.0MB

          • memory/4400-193-0x0000018EABA00000-0x0000018EABBF7000-memory.dmp

            Filesize

            2.0MB

          • memory/4872-50-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/4872-62-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB