Analysis

  • max time kernel
    141s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-06-2024 12:09

General

  • Target

    8a2b3b8e6b4b4dd888503f88003177f842b8601a43397a8abb5827e866ab2c70.exe

  • Size

    4.7MB

  • MD5

    1570c3c8a9782660e2e96a584d620c68

  • SHA1

    4710a5198ddfb7a6af032ea783136b03bd7bea19

  • SHA256

    8a2b3b8e6b4b4dd888503f88003177f842b8601a43397a8abb5827e866ab2c70

  • SHA512

    e66186ae33d9858ca6bccb399c8dbba1d36f5799c5a11415dc163637987105bd9753eb703959dffc0319c713b56fc174182bf3e88de7137b34ec7cae8404de2f

  • SSDEEP

    49152:rwLX3Ex3SWH8pLzjJiqA4H4zu4vcCPXkyb9X4iPEAylTcUoFgZV0CX99:rwLXUx3H8dxirvHvbT8AocUoF0d

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

Version

10.1

Botnet

cac73a25dd295fef8853d330a75f6da4

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

Extracted

Family

risepro

C2

5.42.67.8:50500

Signatures

  • Detect Vidar Stealer 5 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • RisePro

    RisePro stealer is an infostealer distributed by PrivateLoader.

  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • 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.

  • Suspicious use of SetThreadContext 3 IoCs
  • Program crash 2 IoCs
  • Checks processor information in registry 2 TTPs 1 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a2b3b8e6b4b4dd888503f88003177f842b8601a43397a8abb5827e866ab2c70.exe
    "C:\Users\Admin\AppData\Local\Temp\8a2b3b8e6b4b4dd888503f88003177f842b8601a43397a8abb5827e866ab2c70.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3488
      • C:\ProgramData\IECFHDBAAE.exe
        "C:\ProgramData\IECFHDBAAE.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2440
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:868
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2440 -s 252
            4⤵
            • Program crash
            PID:4284
        • C:\ProgramData\BGDBAKFCFH.exe
          "C:\ProgramData\BGDBAKFCFH.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3620
        • C:\ProgramData\JKFCBAEHCA.exe
          "C:\ProgramData\JKFCBAEHCA.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1204
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:5104
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1204 -s 272
              4⤵
              • Program crash
              PID:3372
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GCGCBAECFCAK" & exit
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2140
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • Delays execution with timeout.exe
              PID:3668
      • 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=3484,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=3092 /prefetch:3
        1⤵
          PID:1824
        • 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=4088,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=3856 /prefetch:8
          1⤵
            PID:1672
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2440 -ip 2440
            1⤵
              PID:2588
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1204 -ip 1204
              1⤵
                PID:2616

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\ProgramData\BGDBAKFCFH.exe

                Filesize

                374KB

                MD5

                4adf8628310c11bc5929175855d16cb6

                SHA1

                10e2317fedbd27741212e89e0c2a1333bc775472

                SHA256

                6f1f0ff69f7bf28a1116549249353fcbf944d8d559aaf9c3ecefddb08e341106

                SHA512

                b3e5b61a6538fe9c14a40e9e144c0be6ea2b5b921d6f3158204a5ae408435191467a0d0054867199f4b0923d040d453f874ff1c004170aac57824171fe063734

              • C:\ProgramData\IECFHDBAAE.exe

                Filesize

                1.8MB

                MD5

                9f7d8785aa5e359848ebe4d771f3de8d

                SHA1

                70161505853a4cb3b2dc7eb690bde8b0f23b4d82

                SHA256

                9cf43d480f6319717934b1a3f97682a4454c1742e2409aa416ba719e606c34ca

                SHA512

                b26659c8e24baf0b489198eb28aafa4e29b5728432f522d22202fb5c3d288bd2e33aec88feca1d84b56d42f2dbb369ef517c37815f2c216bae4722bd5dd7700e

              • C:\ProgramData\JKFCBAEHCA.exe

                Filesize

                525KB

                MD5

                555259d9ac1f9da27667485bfc3ab9af

                SHA1

                59d61d0aa693f28ba68b0de8fd3b11dc206b76c4

                SHA256

                fa4491dbe5eb3d35c9f5884d746235769999d536d30033f4cf38633ce2343ede

                SHA512

                ee1e2b3ca43eff5384298c251f1f0b6184a8a892410f998e40202dbc1376da45a1af3643fd5f490c3cd3f1f5fd420759a121c892f969e016d2c0daf11209e45b

              • 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/868-192-0x0000000000400000-0x0000000000596000-memory.dmp

                Filesize

                1.6MB

              • memory/868-143-0x0000000000400000-0x0000000000596000-memory.dmp

                Filesize

                1.6MB

              • memory/2440-139-0x0000000000260000-0x000000000042F000-memory.dmp

                Filesize

                1.8MB

              • memory/2684-53-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-18-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-65-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-63-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-70-0x0000000074D00000-0x00000000754B0000-memory.dmp

                Filesize

                7.7MB

              • memory/2684-61-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-59-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-57-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-49-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-47-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-43-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-42-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-35-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-29-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-27-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-25-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-23-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-21-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-19-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-13-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-11-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-9-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-7-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-55-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-33-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-51-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-45-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-39-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-37-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-31-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-15-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-6-0x0000000005A10000-0x0000000005A25000-memory.dmp

                Filesize

                84KB

              • memory/2684-0-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

                Filesize

                4KB

              • memory/2684-1-0x0000000000B40000-0x0000000000FF8000-memory.dmp

                Filesize

                4.7MB

              • memory/2684-5-0x0000000005A10000-0x0000000005A2C000-memory.dmp

                Filesize

                112KB

              • memory/2684-4-0x0000000005B90000-0x0000000005C5C000-memory.dmp

                Filesize

                816KB

              • memory/2684-3-0x0000000074D00000-0x00000000754B0000-memory.dmp

                Filesize

                7.7MB

              • memory/2684-2-0x0000000005AF0000-0x0000000005B8C000-memory.dmp

                Filesize

                624KB

              • memory/3488-71-0x0000000000400000-0x0000000000648000-memory.dmp

                Filesize

                2.3MB

              • memory/3488-68-0x0000000000400000-0x0000000000648000-memory.dmp

                Filesize

                2.3MB

              • memory/3488-190-0x0000000000400000-0x0000000000648000-memory.dmp

                Filesize

                2.3MB

              • memory/3488-66-0x0000000000400000-0x0000000000648000-memory.dmp

                Filesize

                2.3MB

              • memory/3488-74-0x0000000000400000-0x0000000000648000-memory.dmp

                Filesize

                2.3MB

              • memory/3620-176-0x00000000086F0000-0x000000000872C000-memory.dmp

                Filesize

                240KB

              • memory/3620-158-0x0000000005C10000-0x00000000061B4000-memory.dmp

                Filesize

                5.6MB

              • memory/3620-173-0x0000000008C00000-0x0000000009218000-memory.dmp

                Filesize

                6.1MB

              • memory/3620-174-0x0000000008750000-0x000000000885A000-memory.dmp

                Filesize

                1.0MB

              • memory/3620-175-0x0000000008690000-0x00000000086A2000-memory.dmp

                Filesize

                72KB

              • memory/3620-159-0x0000000005570000-0x0000000005602000-memory.dmp

                Filesize

                584KB

              • memory/3620-177-0x0000000008860000-0x00000000088AC000-memory.dmp

                Filesize

                304KB

              • memory/3620-160-0x0000000005520000-0x000000000552A000-memory.dmp

                Filesize

                40KB

              • memory/3620-183-0x0000000009420000-0x0000000009486000-memory.dmp

                Filesize

                408KB

              • memory/3620-184-0x0000000009750000-0x00000000097C6000-memory.dmp

                Filesize

                472KB

              • memory/3620-185-0x0000000009700000-0x000000000971E000-memory.dmp

                Filesize

                120KB

              • memory/3620-187-0x0000000009A70000-0x0000000009C32000-memory.dmp

                Filesize

                1.8MB

              • memory/3620-188-0x000000000B100000-0x000000000B62C000-memory.dmp

                Filesize

                5.2MB

              • memory/3620-157-0x00000000053C0000-0x00000000053E0000-memory.dmp

                Filesize

                128KB

              • memory/3620-156-0x0000000000BA0000-0x0000000000C02000-memory.dmp

                Filesize

                392KB