Analysis

  • max time kernel
    300s
  • max time network
    270s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/06/2024, 22:38

General

  • Target
    Setup.exe
  • Size 866KB
  • Sample240616-2kr2ma1fqe
  • SHA256 929804f60f8f3a0b0d7862cd91eb6be0a2ba694c4a28e3f9fa2d65ff171469a6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealc

rc4.plain

Extracted

Family
  • vidar

C2
  • https://t.me/memve4erin

  • https://steamcommunity.com/profiles/76561199699680841

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Signatures

  • Detect Vidar Stealer 22 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • 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 1 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 local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • 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).

  • 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 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 2 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:208
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy Moldova Moldova.cmd & Moldova.cmd
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4992
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:3412
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "wrsa.exe opssvc.exe"
        3⤵
          PID:412
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:3768
        • C:\Windows\SysWOW64\findstr.exe
          findstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"
          3⤵
            PID:1792
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c md 80345
            3⤵
              PID:1352
            • C:\Windows\SysWOW64\findstr.exe
              findstr /V "LEADINGGRADEYEAHPSYCHOLOGICAL" Username
              3⤵
                PID:540
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c copy /b Depending + Ebony + Translated + Dicks 80345\w
                3⤵
                  PID:5084
                • C:\Users\Admin\AppData\Local\Temp\80345\Approximately.pif
                  80345\Approximately.pif 80345\w
                  3⤵
                  • Checks computer location settings
                  • Executes dropped EXE
                  • Checks processor information in registry
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of FindShellTrayWindow
                  • Suspicious use of SendNotifyMessage
                  • Suspicious use of WriteProcessMemory
                  PID:3112
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\80345\Approximately.pif" & rd /s /q "C:\ProgramData\JJJEGCGDGHCB" & exit
                    4⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4556
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout /t 10
                      5⤵
                      • Delays execution with timeout.exe
                      PID:2484
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 5
                  3⤵
                  • Delays execution with timeout.exe
                  PID:4488
            • C:\Windows\system32\taskmgr.exe
              "C:\Windows\system32\taskmgr.exe" /4
              1⤵
              • Checks SCSI registry key(s)
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SendNotifyMessage
              PID:4996
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"
              1⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:384
              • C:\Windows\system32\winver.exe
                "C:\Windows\system32\winver.exe"
                2⤵
                  PID:4092

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    Approximately.pif

                    • Path C:\Users\Admin\AppData\Local\Temp\80345\Approximately.pif
                    • Size 915KB
                    • SHA256 8498900e57a490404e7ec4d8159bee29aed5852ae88bd484141780eaadb727bb
                    • MD5 SHA1 SHA512 SSDEEP

                    w

                    • Path C:\Users\Admin\AppData\Local\Temp\80345\w
                    • Size 364KB
                    • SHA256 8e40a5d787a2dc428c84e1f898202b2b9b80c3f6df6c21204cfbcab9b6cd6e78
                    • MD5 SHA1 SHA512 SSDEEP

                    Adequate

                    • Path C:\Users\Admin\AppData\Local\Temp\Adequate
                    • Size 42KB
                    • SHA256 45a3d39e1f09b48c6896c982614caff1ff0345c3c43703b2db6c93ea4e42a281
                    • MD5 SHA1 SHA512 SSDEEP

                    American

                    • Path C:\Users\Admin\AppData\Local\Temp\American
                    • Size 25KB
                    • SHA256 cb5d1bffb2cd270887b2bb1c528cda80b4b8d56d7ca905ac0378a8db50cc501a
                    • MD5 SHA1 SHA512 SSDEEP

                    Amino

                    • Path C:\Users\Admin\AppData\Local\Temp\Amino
                    • Size 68KB
                    • SHA256 b78d9ec253bc6faa3f8112ebd2b2f557e846216d3ed2d170d090c55991707b53
                    • MD5 SHA1 SHA512 SSDEEP

                    Ate

                    • Path C:\Users\Admin\AppData\Local\Temp\Ate
                    • Size 21KB
                    • SHA256 c53d8bcbaf96c96357938294082b013f1a1e6f7977f38a89e5e3b9db0a150cc9
                    • MD5 SHA1 SHA512 SSDEEP

                    Beatles

                    • Path C:\Users\Admin\AppData\Local\Temp\Beatles
                    • Size 12KB
                    • SHA256 39cf6385923d300f78ed36f9a647d047140b049fd1fe1d0bdbcecc8289731add
                    • MD5 SHA1 SHA512 SSDEEP

                    Canon

                    • Path C:\Users\Admin\AppData\Local\Temp\Canon
                    • Size 7KB
                    • SHA256 7c1738ba5315a72733495ba01f08ba96692d21cb9f2b5249dd4fe8ce2437ddfd
                    • MD5 SHA1 SHA512 SSDEEP

                    Competing

                    • Path C:\Users\Admin\AppData\Local\Temp\Competing
                    • Size 13KB
                    • SHA256 00f3a2bc3804055b4088706f402cd2bb74835a4c0c9b52f8a58e8a87d0fb1c3c
                    • MD5 SHA1 SHA512 SSDEEP

                    Convicted

                    • Path C:\Users\Admin\AppData\Local\Temp\Convicted
                    • Size 14KB
                    • SHA256 d28eabf8982118c73a49ee84f930f52cc8e018513bde405671d574cb3c7b3ecd
                    • MD5 SHA1 SHA512 SSDEEP

                    Corner

                    • Path C:\Users\Admin\AppData\Local\Temp\Corner
                    • Size 36KB
                    • SHA256 eff1a77a50e4355416d849f4b98c6e4278c29170257f7c54d0728ff12c7cc52e
                    • MD5 SHA1 SHA512 SSDEEP

                    Ct

                    • Path C:\Users\Admin\AppData\Local\Temp\Ct
                    • Size 55KB
                    • SHA256 4b1e60e92917ea9fb2e0c200acb74adb92d7b0c116672c8d8a5e79c2c196e007
                    • MD5 SHA1 SHA512 SSDEEP

                    Depending

                    • Path C:\Users\Admin\AppData\Local\Temp\Depending
                    • Size 108KB
                    • SHA256 4c3ec5e9a555c43804b2292be8792edaaa5c292342cc1cf6e1ef199f635dd0da
                    • MD5 SHA1 SHA512 SSDEEP

                    Dicks

                    • Path C:\Users\Admin\AppData\Local\Temp\Dicks
                    • Size 116KB
                    • SHA256 1e5ed0ddcd9fdbd4ea74cfdb2d0ac5ebc09d555c08024299a390037ee843c8f0
                    • MD5 SHA1 SHA512 SSDEEP

                    Drill

                    • Path C:\Users\Admin\AppData\Local\Temp\Drill
                    • Size 49KB
                    • SHA256 db296863cad45a98a1b3244139cb6b093815d7b4e5139c4b079b02958506a875
                    • MD5 SHA1 SHA512 SSDEEP

                    Ebony

                    • Path C:\Users\Admin\AppData\Local\Temp\Ebony
                    • Size 60KB
                    • SHA256 da5679fb9f921b470e269cc9c72dae3fbbcf5ca8d9443a9d1bcb6f3786c7311d
                    • MD5 SHA1 SHA512 SSDEEP

                    Fold

                    • Path C:\Users\Admin\AppData\Local\Temp\Fold
                    • Size 8KB
                    • SHA256 f79e5b973146436b43879e1ec27e55c548143ce3e412c4b5546a1a4fbd67921a
                    • MD5 SHA1 SHA512 SSDEEP

                    Gradually

                    • Path C:\Users\Admin\AppData\Local\Temp\Gradually
                    • Size 47KB
                    • SHA256 eaabc775de7359826e70d4a5aaa825bb439ec2d8f26bde1be56ec8ce0ce03c60
                    • MD5 SHA1 SHA512 SSDEEP

                    Identification

                    • Path C:\Users\Admin\AppData\Local\Temp\Identification
                    • Size 13KB
                    • SHA256 05605296903bad8518d1ddd7d2f15d4757884f340a9012ad254eee06847bf4c4
                    • MD5 SHA1 SHA512 SSDEEP

                    Incest

                    • Path C:\Users\Admin\AppData\Local\Temp\Incest
                    • Size 24KB
                    • SHA256 16a9d1bbd90dd58a06b2dd941c28790e66abe79fdd0d88967f7c40497e78a5fd
                    • MD5 SHA1 SHA512 SSDEEP

                    Johnny

                    • Path C:\Users\Admin\AppData\Local\Temp\Johnny
                    • Size 43KB
                    • SHA256 05564ba29c49cc7111fa39d54f3b4d0f1971bc21b6a8ca674fd19a7456caaf4f
                    • MD5 SHA1 SHA512 SSDEEP

                    Mariah

                    • Path C:\Users\Admin\AppData\Local\Temp\Mariah
                    • Size 36KB
                    • SHA256 6239d855988977ea9b804c903a38881889e2d5105118ef13045008c6e7fcc25f
                    • MD5 SHA1 SHA512 SSDEEP

                    Maternity

                    • Path C:\Users\Admin\AppData\Local\Temp\Maternity
                    • Size 53KB
                    • SHA256 fe78a098e9093eef32b47d1da1a9446d3d337c7ba4d51f46f508b75285cb4fe5
                    • MD5 SHA1 SHA512 SSDEEP

                    Moldova

                    • Path C:\Users\Admin\AppData\Local\Temp\Moldova
                    • Size 26KB
                    • SHA256 3590b4facaa77f7855eab4a5c13abda15642dcdd34b299d626ac46c7c229ade3
                    • MD5 SHA1 SHA512 SSDEEP

                    Offers

                    • Path C:\Users\Admin\AppData\Local\Temp\Offers
                    • Size 43KB
                    • SHA256 2ea6b8fd715f03f0bcfa4932c551eeaf6361d848ea2e44431b2d4239300b2ac9
                    • MD5 SHA1 SHA512 SSDEEP

                    Organisation

                    • Path C:\Users\Admin\AppData\Local\Temp\Organisation
                    • Size 16KB
                    • SHA256 65293d8a726bf5e8a6228b5ea5fa9d12896ef78105f360ccd7797ec30943e973
                    • MD5 SHA1 SHA512 SSDEEP

                    Oxygen

                    • Path C:\Users\Admin\AppData\Local\Temp\Oxygen
                    • Size 30KB
                    • SHA256 6b7ed5bea1783968f4cb39f5c97a0cde54a1c44e4068ef5cf667bd78cd125ead
                    • MD5 SHA1 SHA512 SSDEEP

                    Pdas

                    • Path C:\Users\Admin\AppData\Local\Temp\Pdas
                    • Size 11KB
                    • SHA256 69b7bc0b73ace231d4cb454aab096f89cbd31094df1b1b1aa1d007f8b2f5580b
                    • MD5 SHA1 SHA512 SSDEEP

                    Porn

                    • Path C:\Users\Admin\AppData\Local\Temp\Porn
                    • Size 38KB
                    • SHA256 5afce795ffec5fac1727f67056f34bdd69eba5ec90c9a6c9cf7b73c6a31caa29
                    • MD5 SHA1 SHA512 SSDEEP

                    Portfolio

                    • Path C:\Users\Admin\AppData\Local\Temp\Portfolio
                    • Size 35KB
                    • SHA256 687780cc9e7dc10aca0a36ad479804fb0a0c061d60fc9a2846165cb4b976cded
                    • MD5 SHA1 SHA512 SSDEEP

                    Qualify

                    • Path C:\Users\Admin\AppData\Local\Temp\Qualify
                    • Size 10KB
                    • SHA256 725bba734cb86f4d157e2ccc7f04d44fd8ed095bec370232f63e9b7b5a97f0ba
                    • MD5 SHA1 SHA512 SSDEEP

                    Regarded

                    • Path C:\Users\Admin\AppData\Local\Temp\Regarded
                    • Size 8KB
                    • SHA256 7220e60e2966831642b80b920b399518516bcbd8652dbe9ace405b2dff547b4d
                    • MD5 SHA1 SHA512 SSDEEP

                    Retrieval

                    • Path C:\Users\Admin\AppData\Local\Temp\Retrieval
                    • Size 59KB
                    • SHA256 eaf0075b4c235453f5a4b448da11470ccaefec08e8d59b600388170258efd288
                    • MD5 SHA1 SHA512 SSDEEP

                    Scsi

                    • Path C:\Users\Admin\AppData\Local\Temp\Scsi
                    • Size 45KB
                    • SHA256 b8d702a03a4f2d04273bd2303f137e86c0335f8e80d81801354e816d5e17a4a6
                    • MD5 SHA1 SHA512 SSDEEP

                    Translated

                    • Path C:\Users\Admin\AppData\Local\Temp\Translated
                    • Size 80KB
                    • SHA256 29a6096ddca9c25afff1fd58dcc8592446e1114e4d627b01ddc1d4244d035bab
                    • MD5 SHA1 SHA512 SSDEEP

                    Username

                    • Path C:\Users\Admin\AppData\Local\Temp\Username
                    • Size 101B
                    • SHA256 93327299cb431422e4aa94ee989ab3a5e9eefba92bc0c4259e0fe81bf53d699c
                    • MD5 SHA1 SHA512

                    Walter

                    • Path C:\Users\Admin\AppData\Local\Temp\Walter
                    • Size 38KB
                    • SHA256 ba603783eb5aa26e5eba7d2cca0c411acb74be1f5c24027c6f40eb9f3274b64f
                    • MD5 SHA1 SHA512 SSDEEP

                    Yellow

                    • Path C:\Users\Admin\AppData\Local\Temp\Yellow
                    • Size 16KB
                    • SHA256 2820b7f516419fb37ca659a74b7d2c524d2cb00193cd9fde8c0c1017511b2fbe
                    • MD5 SHA1 SHA512 SSDEEP

                    __PSScriptPolicyTest_cgtxitaa.xzv.ps1

                    • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cgtxitaa.xzv.ps1
                    • Size 60B
                    • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                    • MD5 SHA1 SHA512

                    memory/384-751-0x000002A155DB0000-0x000002A155DD2000-memory.dmp

                    memory/384-762-0x000002A170510000-0x000002A170586000-memory.dmp

                    memory/384-761-0x000002A170440000-0x000002A170484000-memory.dmp

                    memory/3112-642-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-716-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-647-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-649-0x0000000010000000-0x000000001025F000-memory.dmp

                    memory/3112-656-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-657-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-665-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-666-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-682-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-683-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-700-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-701-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-705-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-706-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-710-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-711-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-715-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-646-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-720-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-721-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-728-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-729-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-641-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-643-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-644-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/3112-645-0x0000000008420000-0x0000000008668000-memory.dmp

                    memory/4996-748-0x0000016E7E500000-0x0000016E7E501000-memory.dmp

                    memory/4996-747-0x0000016E7E500000-0x0000016E7E501000-memory.dmp

                    memory/4996-746-0x0000016E7E500000-0x0000016E7E501000-memory.dmp

                    memory/4996-745-0x0000016E7E500000-0x0000016E7E501000-memory.dmp

                    memory/4996-742-0x0000016E7E500000-0x0000016E7E501000-memory.dmp

                    memory/4996-743-0x0000016E7E500000-0x0000016E7E501000-memory.dmp

                    memory/4996-744-0x0000016E7E500000-0x0000016E7E501000-memory.dmp

                    memory/4996-738-0x0000016E7E500000-0x0000016E7E501000-memory.dmp

                    memory/4996-737-0x0000016E7E500000-0x0000016E7E501000-memory.dmp

                    memory/4996-736-0x0000016E7E500000-0x0000016E7E501000-memory.dmp