Analysis

  • max time kernel
    139s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2024 01:37

General

  • Target

    632e26587d3e4e371ea2bfa8ce298c4d8aef95e1e5cad8f6b73c97cb656e22c6.exe

  • Size

    559KB

  • MD5

    c01caed116f14bb01785ba57ce31f372

  • SHA1

    e51f43809fadc2087812ec13242f939438a48f67

  • SHA256

    632e26587d3e4e371ea2bfa8ce298c4d8aef95e1e5cad8f6b73c97cb656e22c6

  • SHA512

    beff1521e2809ff28ca4d9c00746a8e2217353773f25a573e769fce80f6020266f3852a45b73673ea97858fc8fb1ca27cc2a0f7c794dc631e8942b128e903b99

  • SSDEEP

    12288:PLhw2Sg/jxkhlTEuj/pntnJAWBIYwLq8Ww+DW06ENm2PsEO:dBj+jEk/TnJAYIVt+Tst

Malware Config

Extracted

Family

vidar

Version

11

Botnet

b74ef0d8ce56e494b0d83e1d5be9dbeb

C2

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

Extracted

Family

lumma

C2

https://beearvagueo.site/api

Signatures

  • Detect Vidar Stealer 17 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
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 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 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\632e26587d3e4e371ea2bfa8ce298c4d8aef95e1e5cad8f6b73c97cb656e22c6.exe
    "C:\Users\Admin\AppData\Local\Temp\632e26587d3e4e371ea2bfa8ce298c4d8aef95e1e5cad8f6b73c97cb656e22c6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:2956
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
          PID:4664
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          2⤵
            PID:4672
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            2⤵
              PID:1664
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
              2⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:408
              • C:\ProgramData\GDBFCGIIIJ.exe
                "C:\ProgramData\GDBFCGIIIJ.exe"
                3⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2328
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
                  4⤵
                    PID:632
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
                    4⤵
                      PID:2760
                    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
                      4⤵
                        PID:5116
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
                        4⤵
                          PID:5064
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
                          4⤵
                          • System Location Discovery: System Language Discovery
                          PID:1104
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 324
                          4⤵
                          • Program crash
                          PID:4624
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GDHCGDGIEBKJ" & exit
                        3⤵
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of WriteProcessMemory
                        PID:1020
                        • C:\Windows\SysWOW64\timeout.exe
                          timeout /t 10
                          4⤵
                          • System Location Discovery: System Language Discovery
                          • Delays execution with timeout.exe
                          PID:2340
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 332
                      2⤵
                      • Program crash
                      PID:4836
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2060 -ip 2060
                    1⤵
                      PID:4556
                    • 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=2968,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=2320 /prefetch:3
                      1⤵
                        PID:392
                      • 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=4076,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=4128 /prefetch:8
                        1⤵
                          PID:2456
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2328 -ip 2328
                          1⤵
                            PID:2184

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\ProgramData\GDBFCGIIIJ.exe

                            Filesize

                            527KB

                            MD5

                            a9978b238babe1166131003c1be7bfb8

                            SHA1

                            b65655dcab6faa50e7715ea718fcdd2d6cf0e1d6

                            SHA256

                            f0f83c1f69adc4ea1557704dc5d9f77f40d418ff244dbc3e0afae8de367b8c21

                            SHA512

                            7d43f0663502c6ee033705095e2b133dfb3826174a36a20fd30e70d9f59de6f2ea84599436e88c3a11e27fa78df1e19b741526f10aa8a618a8ddab5a47e6e13e

                          • 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

                          • memory/408-30-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-6-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-110-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-31-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-40-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-14-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-47-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-55-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-56-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-57-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-13-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-16-0x0000000022810000-0x0000000022A6F000-memory.dmp

                            Filesize

                            2.4MB

                          • memory/408-79-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-80-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-87-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-88-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-3-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/408-1-0x0000000000400000-0x0000000000676000-memory.dmp

                            Filesize

                            2.5MB

                          • memory/1104-105-0x0000000000400000-0x0000000000463000-memory.dmp

                            Filesize

                            396KB

                          • memory/1104-107-0x0000000000400000-0x0000000000463000-memory.dmp

                            Filesize

                            396KB

                          • memory/1104-108-0x0000000000400000-0x0000000000463000-memory.dmp

                            Filesize

                            396KB

                          • memory/2060-0-0x0000000000D18000-0x0000000000D19000-memory.dmp

                            Filesize

                            4KB

                          • memory/2328-104-0x00000000003F0000-0x0000000000476000-memory.dmp

                            Filesize

                            536KB

                          • memory/2328-109-0x00000000003F0000-0x0000000000476000-memory.dmp

                            Filesize

                            536KB