Analysis

  • max time kernel
    161s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 15:54

General

  • Target

    6ffa627f3f39f61c47f911e653f2d1ff10b7e21b62b7d68facd0cf95e2c6085f.exe

  • Size

    372KB

  • MD5

    8680dc248f8c92af483aa2b2b9fa07f1

  • SHA1

    47e4a84909392279dfe34a5359c5fc55fbf0e47d

  • SHA256

    6ffa627f3f39f61c47f911e653f2d1ff10b7e21b62b7d68facd0cf95e2c6085f

  • SHA512

    0e0e8d78bc752d40fa23e10d39aa943b2fa00e829cf9ced3df74892554f4effe3eafa7153e295be94c84fef22af0e75ff86e7734790e6bb527072a3a6615f4d6

  • SSDEEP

    6144:2340bT53/l0SfFOzHlVTAThxgDxHZLdqUItnYNiL+oprkTmRAehzTtvf:2340N9FfFoHv2gDxyTAW+odkTmZtBf

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 36 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\6ffa627f3f39f61c47f911e653f2d1ff10b7e21b62b7d68facd0cf95e2c6085f.exe
    "C:\Users\Admin\AppData\Local\Temp\6ffa627f3f39f61c47f911e653f2d1ff10b7e21b62b7d68facd0cf95e2c6085f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3652
    • C:\Users\Admin\AppData\Local\Temp\u2tg.0.exe
      "C:\Users\Admin\AppData\Local\Temp\u2tg.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2316
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2316 -s 2336
        3⤵
        • Program crash
        PID:4732
    • C:\Users\Admin\AppData\Local\Temp\u2tg.1.exe
      "C:\Users\Admin\AppData\Local\Temp\u2tg.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:4944
      • 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:1448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 1524
      2⤵
      • Program crash
      PID:4268
  • 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=4064 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1800
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3652 -ip 3652
      1⤵
        PID:1392
      • 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=2368 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:3
        1⤵
          PID:3604
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2316 -ip 2316
          1⤵
            PID:1628

          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\Sdch Dictionaries

            Filesize

            40B

            MD5

            20d4b8fa017a12a108c87f540836e250

            SHA1

            1ac617fac131262b6d3ce1f52f5907e31d5f6f00

            SHA256

            6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

            SHA512

            507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\d5f8a3d1-af85-436d-835d-f082dea70bb6.tmp

            Filesize

            2B

            MD5

            d751713988987e9331980363e24189ce

            SHA1

            97d170e1550eee4afc0af065b78cda302a97674c

            SHA256

            4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

            SHA512

            b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

            Filesize

            3KB

            MD5

            923e2f938de29fa43e86a1f69d0da606

            SHA1

            98239aba2dfd9dc05cdd18ec28bc59dcfadb0c30

            SHA256

            8366b98182efe1dc359f21ad7c6d7b3e8639c3b4340c7b469b31e5bd641200d3

            SHA512

            5a3d0454d29d99c247c4100e9b4195695ffe381bf05730abf6e224a1493502b233a4b6c5fc279318aa6d75af19b6659992f5b258f5e038fca5a865dc2d84fd2b

          • C:\Users\Admin\AppData\Local\Temp\u2tg.0.exe

            Filesize

            231KB

            MD5

            b7d22e8408d8864725d0d5822d8d9543

            SHA1

            d6ee4aa321ce7bcc9dca07bb77371ba8d6d34515

            SHA256

            f5a8a7d27168d2c02ffd67151bd3a561d3ee6c61ff01b136a6de65fd3bc12028

            SHA512

            6f3764680c54481c398bf75726da47342d6131d13c960f6b2b94065d9fd2b6b834679a76d7b6b5a0cb5d9506293ce680e73862d24814228c1090c73f62a8e47d

          • C:\Users\Admin\AppData\Local\Temp\u2tg.1.exe

            Filesize

            4.6MB

            MD5

            397926927bca55be4a77839b1c44de6e

            SHA1

            e10f3434ef3021c399dbba047832f02b3c898dbd

            SHA256

            4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

            SHA512

            cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

          • memory/1448-173-0x0000028F9E640000-0x0000028F9E64A000-memory.dmp

            Filesize

            40KB

          • memory/1448-177-0x0000028F9E6C0000-0x0000028F9E6E2000-memory.dmp

            Filesize

            136KB

          • memory/1448-191-0x0000028FA4780000-0x0000028FA4CA8000-memory.dmp

            Filesize

            5.2MB

          • memory/1448-190-0x0000028FA4020000-0x0000028FA4042000-memory.dmp

            Filesize

            136KB

          • memory/1448-189-0x0000028FA3FC0000-0x0000028FA4022000-memory.dmp

            Filesize

            392KB

          • memory/1448-188-0x0000028FA4240000-0x0000028FA424A000-memory.dmp

            Filesize

            40KB

          • memory/1448-187-0x0000028FA30C0000-0x0000028FA30C8000-memory.dmp

            Filesize

            32KB

          • memory/1448-186-0x0000028FA30A0000-0x0000028FA30AE000-memory.dmp

            Filesize

            56KB

          • memory/1448-185-0x0000028FA30D0000-0x0000028FA3108000-memory.dmp

            Filesize

            224KB

          • memory/1448-184-0x0000028FA3790000-0x0000028FA3798000-memory.dmp

            Filesize

            32KB

          • memory/1448-182-0x0000028F9EDC0000-0x0000028F9F0C0000-memory.dmp

            Filesize

            3.0MB

          • memory/1448-178-0x0000028F845B0000-0x0000028F845BA000-memory.dmp

            Filesize

            40KB

          • memory/1448-176-0x0000028F9EA10000-0x0000028F9EA60000-memory.dmp

            Filesize

            320KB

          • memory/1448-175-0x0000028F9ED10000-0x0000028F9EDC2000-memory.dmp

            Filesize

            712KB

          • memory/1448-174-0x0000028F9E690000-0x0000028F9E6BA000-memory.dmp

            Filesize

            168KB

          • memory/1448-172-0x0000028F9E620000-0x0000028F9E644000-memory.dmp

            Filesize

            144KB

          • memory/1448-171-0x0000028F85DC0000-0x0000028F85DD4000-memory.dmp

            Filesize

            80KB

          • memory/1448-169-0x0000028F85DD0000-0x0000028F85DDC000-memory.dmp

            Filesize

            48KB

          • memory/1448-147-0x0000028F80900000-0x0000028F84134000-memory.dmp

            Filesize

            56.2MB

          • memory/1448-168-0x0000028F85DB0000-0x0000028F85DC0000-memory.dmp

            Filesize

            64KB

          • memory/1448-167-0x0000028F9EAC0000-0x0000028F9EBCA000-memory.dmp

            Filesize

            1.0MB

          • memory/2316-126-0x0000000000400000-0x0000000002576000-memory.dmp

            Filesize

            33.5MB

          • memory/2316-153-0x0000000000400000-0x0000000002576000-memory.dmp

            Filesize

            33.5MB

          • memory/2316-53-0x0000000000400000-0x0000000002576000-memory.dmp

            Filesize

            33.5MB

          • memory/2316-54-0x0000000000400000-0x0000000002576000-memory.dmp

            Filesize

            33.5MB

          • memory/2316-170-0x0000000000400000-0x0000000002576000-memory.dmp

            Filesize

            33.5MB

          • memory/2316-55-0x0000000061E00000-0x0000000061EF3000-memory.dmp

            Filesize

            972KB

          • memory/3652-17-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/3652-43-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/3652-22-0x0000000000400000-0x0000000002599000-memory.dmp

            Filesize

            33.6MB

          • memory/3652-6-0x0000000000400000-0x0000000002599000-memory.dmp

            Filesize

            33.6MB

          • memory/3652-2-0x0000000004310000-0x000000000437C000-memory.dmp

            Filesize

            432KB

          • memory/3652-7-0x00000000027F0000-0x00000000028F0000-memory.dmp

            Filesize

            1024KB

          • memory/3652-9-0x0000000004310000-0x000000000437C000-memory.dmp

            Filesize

            432KB

          • memory/3652-1-0x00000000027F0000-0x00000000028F0000-memory.dmp

            Filesize

            1024KB

          • memory/3652-4-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/3652-3-0x0000000000400000-0x0000000002599000-memory.dmp

            Filesize

            33.6MB

          • memory/3652-33-0x0000000000400000-0x0000000002599000-memory.dmp

            Filesize

            33.6MB

          • memory/4944-131-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/4944-34-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/4944-44-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB

          • memory/4944-127-0x0000000000400000-0x00000000008AD000-memory.dmp

            Filesize

            4.7MB