Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2024 01:51

General

  • Target

    file.exe

  • Size

    5.4MB

  • MD5

    8d556f35d2768d27b334d0e76d4d3295

  • SHA1

    33f2fbfe5c2b3d3d470bbf28c20e15283e20717c

  • SHA256

    2bdab82a67299ff24cca7e0884c17fab80f45b364ba718142c80bdfbd573b581

  • SHA512

    eadec8014bc15d1f72c44e5a45a2546a450d3c529aecc21d850ea50ebda1b5d47d569b4c6aef4215c402db87efbac7550736d28bc101d920f900ea80f83bc4ea

  • SSDEEP

    98304:Eg2nmyTusqokbqW3alL1eMT8dq+5L34fs6DvS/GhE5ZyxDmwXQsZRqKoGgLNxeId:bryTusqok2kgeMIY+5L34f2MCkmwXdRk

Malware Config

Extracted

Family

vidar

Version

11

Botnet

ffa0fc7713f6625bf874f947bcf3df53

C2

https://t.me/jamsemlg

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family

lumma

C2

https://reinforcenh.shop/api

https://stogeneratmns.shop/api

https://fragnantbui.shop/api

https://drawzhotdog.shop/api

https://vozmeatillu.shop/api

https://offensivedzvju.shop/api

https://ghostreedmnu.shop/api

https://gutterydhowi.shop/api

Extracted

Family

lumma

C2

https://offensivedzvju.shop/api

Signatures

  • Detect Vidar Stealer 18 IoCs
  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • 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.

  • Suspicious use of SetThreadContext 3 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4040
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:5020
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:1140
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
            PID:2108
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            2⤵
              PID:1856
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              2⤵
                PID:1700
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                2⤵
                • Checks computer location settings
                • System Location Discovery: System Language Discovery
                • Checks processor information in registry
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of WriteProcessMemory
                PID:1968
                • C:\ProgramData\AEGDBAFHJJ.exe
                  "C:\ProgramData\AEGDBAFHJJ.exe"
                  3⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:4348
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                    4⤵
                    • System Location Discovery: System Language Discovery
                    PID:1604
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 1344
                      5⤵
                      • Program crash
                      PID:4568
                • C:\ProgramData\FCFBFHIEBK.exe
                  "C:\ProgramData\FCFBFHIEBK.exe"
                  3⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:4492
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                    4⤵
                      PID:3716
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                      4⤵
                        PID:3424
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                        4⤵
                          PID:3308
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                          4⤵
                            PID:4824
                          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                            4⤵
                            • System Location Discovery: System Language Discovery
                            • Checks processor information in registry
                            • Suspicious behavior: EnumeratesProcesses
                            PID:1036
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BGIIDAEBGCAA" & exit
                          3⤵
                          • System Location Discovery: System Language Discovery
                          PID:4960
                          • C:\Windows\SysWOW64\timeout.exe
                            timeout /t 10
                            4⤵
                            • System Location Discovery: System Language Discovery
                            • Delays execution with timeout.exe
                            PID:3076
                    • 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 --field-trial-handle=4548,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=3692 /prefetch:8
                      1⤵
                        PID:4396
                      • 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 --field-trial-handle=2284,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=2320 /prefetch:3
                        1⤵
                          PID:2568
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1604 -ip 1604
                          1⤵
                            PID:4564

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\ProgramData\AEGDBAFHJJ.exe

                            Filesize

                            371KB

                            MD5

                            687846a623c1fe1da95f0fa2fe4479df

                            SHA1

                            6609d10980800b669e723d4c660c421e27695a29

                            SHA256

                            bfc7b367d52504b184d127e385219006c1efc7e985d608c000e5eb3a204fc779

                            SHA512

                            fe150d4f02532ca3d5aa37c6d14741a0a9c0290854ac6924da282ad6585b47bf98e8443aa4281ea89788b8e906f8d11d49b3e88a11e10d4d67b6e2605004a9c3

                          • C:\ProgramData\DGCBAFIJDGHC\DBAAFI

                            Filesize

                            160KB

                            MD5

                            f310cf1ff562ae14449e0167a3e1fe46

                            SHA1

                            85c58afa9049467031c6c2b17f5c12ca73bb2788

                            SHA256

                            e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

                            SHA512

                            1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

                          • C:\ProgramData\FCFBFHIEBK.exe

                            Filesize

                            5.4MB

                            MD5

                            8d556f35d2768d27b334d0e76d4d3295

                            SHA1

                            33f2fbfe5c2b3d3d470bbf28c20e15283e20717c

                            SHA256

                            2bdab82a67299ff24cca7e0884c17fab80f45b364ba718142c80bdfbd573b581

                            SHA512

                            eadec8014bc15d1f72c44e5a45a2546a450d3c529aecc21d850ea50ebda1b5d47d569b4c6aef4215c402db87efbac7550736d28bc101d920f900ea80f83bc4ea

                          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

                            Filesize

                            1KB

                            MD5

                            7fb5fa1534dcf77f2125b2403b30a0ee

                            SHA1

                            365d96812a69ac0a4611ea4b70a3f306576cc3ea

                            SHA256

                            33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

                            SHA512

                            a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

                          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

                            Filesize

                            436B

                            MD5

                            971c514f84bba0785f80aa1c23edfd79

                            SHA1

                            732acea710a87530c6b08ecdf32a110d254a54c8

                            SHA256

                            f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

                            SHA512

                            43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

                          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

                            Filesize

                            174B

                            MD5

                            f0d45085af1284bc6e21110a0e915192

                            SHA1

                            7c75233c65bb033a29b2752cab4289816b2ad8d0

                            SHA256

                            dfab1b86a1e812ec1468677704dfbbbb2420a03885b46a074f9729c93a4fc534

                            SHA512

                            23efc60c7747e3ad8788eb0858bc9786c0c89c89a01c222e2ba99082becce6d6461b2fc54a04c6f11f1e021ee98d7c88e3c202b60ffedaa25351d58830579d75

                          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

                            Filesize

                            170B

                            MD5

                            da7a04551d2f64e8ad2bfac4b8c1e3cb

                            SHA1

                            61559c1fbd4fd3be486a7d847ab04a84657232fa

                            SHA256

                            8a595aaddc8f77917dc895455c7e3b77b55ad832c3cc36ab438e793bb50d2041

                            SHA512

                            c02b6911737571027ef4f00b2f4fb6f53e3f625fd38ca103c9d5ed06d5a7ffce4f417389eacc7772849ceacfec97b05afa5ecad71906ebc5c8548b5a0c17f3c3

                          • 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

                          • memory/1036-183-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1036-161-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1036-154-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1036-162-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1036-163-0x0000000061E00000-0x0000000061EF3000-memory.dmp

                            Filesize

                            972KB

                          • memory/1036-184-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1604-142-0x0000000000400000-0x0000000000463000-memory.dmp

                            Filesize

                            396KB

                          • memory/1604-123-0x0000000000400000-0x0000000000463000-memory.dmp

                            Filesize

                            396KB

                          • memory/1604-120-0x0000000000400000-0x0000000000463000-memory.dmp

                            Filesize

                            396KB

                          • memory/1604-117-0x0000000000400000-0x0000000000463000-memory.dmp

                            Filesize

                            396KB

                          • memory/1968-56-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1968-81-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1968-3-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1968-100-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1968-99-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1968-82-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1968-6-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1968-30-0x0000000061E00000-0x0000000061EF3000-memory.dmp

                            Filesize

                            972KB

                          • memory/1968-73-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1968-66-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1968-8-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1968-27-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1968-55-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/1968-28-0x0000000000400000-0x0000000000B77000-memory.dmp

                            Filesize

                            7.5MB

                          • memory/4040-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

                            Filesize

                            4KB

                          • memory/4040-64-0x0000000074BC0000-0x0000000075370000-memory.dmp

                            Filesize

                            7.7MB

                          • memory/4040-11-0x0000000074BC0000-0x0000000075370000-memory.dmp

                            Filesize

                            7.7MB

                          • memory/4040-1-0x0000000000970000-0x0000000000EDA000-memory.dmp

                            Filesize

                            5.4MB

                          • memory/4348-114-0x000000007282E000-0x000000007282F000-memory.dmp

                            Filesize

                            4KB

                          • memory/4348-122-0x0000000072820000-0x0000000072FD0000-memory.dmp

                            Filesize

                            7.7MB

                          • memory/4348-115-0x0000000000D40000-0x0000000000DA0000-memory.dmp

                            Filesize

                            384KB