Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22-06-2024 11:33

General

  • Target

    7e87bb624ca8aebac6a71494ac7d190e1266ad509ce872c0cecf7695eccfe657.exe

  • Size

    5.7MB

  • MD5

    9f9be61292c62089a46a872961cae046

  • SHA1

    093e4fa849ad041d3237eeba9c1de4dfc1446ffa

  • SHA256

    7e87bb624ca8aebac6a71494ac7d190e1266ad509ce872c0cecf7695eccfe657

  • SHA512

    8263e6a3f173a5339487637a1e2e6712602b7143e08034a37a2c73c9d191f7b9d423e1314627c016f4c905d47244f43d16959ab13aeae5a07ab8f08932c07227

  • SSDEEP

    98304:3wCLKnCmxzvm3VZ2NVPClN4QxjK5TBJ5Kw19sbQ0G3chMdKBC:bLKCm0GNhC8b5tHTjaMdd

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

Version

10.1

Botnet

56561c66bf3314a2b5cad65677212bfe

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 3 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e87bb624ca8aebac6a71494ac7d190e1266ad509ce872c0cecf7695eccfe657.exe
    "C:\Users\Admin\AppData\Local\Temp\7e87bb624ca8aebac6a71494ac7d190e1266ad509ce872c0cecf7695eccfe657.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4292
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:4968
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
          PID:3476
        • 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:2012
          • C:\ProgramData\KECBFBAEBK.exe
            "C:\ProgramData\KECBFBAEBK.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4324
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:3664
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4324 -s 264
                4⤵
                • Program crash
                PID:4784
            • C:\ProgramData\BFHIJEBKEB.exe
              "C:\ProgramData\BFHIJEBKEB.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1700
            • C:\ProgramData\AAFIJKKEHJ.exe
              "C:\ProgramData\AAFIJKKEHJ.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2168
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                4⤵
                  PID:1144
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 284
                  4⤵
                  • Program crash
                  PID:3528
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 284
                  4⤵
                  • Program crash
                  PID:2356
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HJDGCGDBGCAA" & exit
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:2636
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 10
                  4⤵
                  • Delays execution with timeout.exe
                  PID:2224
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4324 -ip 4324
            1⤵
              PID:4620
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2168 -ip 2168
              1⤵
                PID:956
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2168 -ip 2168
                1⤵
                  PID:3292

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\ProgramData\AAFIJKKEHJ.exe

                  Filesize

                  525KB

                  MD5

                  555259d9ac1f9da27667485bfc3ab9af

                  SHA1

                  59d61d0aa693f28ba68b0de8fd3b11dc206b76c4

                  SHA256

                  fa4491dbe5eb3d35c9f5884d746235769999d536d30033f4cf38633ce2343ede

                  SHA512

                  ee1e2b3ca43eff5384298c251f1f0b6184a8a892410f998e40202dbc1376da45a1af3643fd5f490c3cd3f1f5fd420759a121c892f969e016d2c0daf11209e45b

                • C:\ProgramData\BFHIJEBKEB.exe

                  Filesize

                  374KB

                  MD5

                  4adf8628310c11bc5929175855d16cb6

                  SHA1

                  10e2317fedbd27741212e89e0c2a1333bc775472

                  SHA256

                  6f1f0ff69f7bf28a1116549249353fcbf944d8d559aaf9c3ecefddb08e341106

                  SHA512

                  b3e5b61a6538fe9c14a40e9e144c0be6ea2b5b921d6f3158204a5ae408435191467a0d0054867199f4b0923d040d453f874ff1c004170aac57824171fe063734

                • C:\ProgramData\KECBFBAEBK.exe

                  Filesize

                  1.8MB

                  MD5

                  9f7d8785aa5e359848ebe4d771f3de8d

                  SHA1

                  70161505853a4cb3b2dc7eb690bde8b0f23b4d82

                  SHA256

                  9cf43d480f6319717934b1a3f97682a4454c1742e2409aa416ba719e606c34ca

                  SHA512

                  b26659c8e24baf0b489198eb28aafa4e29b5728432f522d22202fb5c3d288bd2e33aec88feca1d84b56d42f2dbb369ef517c37815f2c216bae4722bd5dd7700e

                • memory/1700-152-0x0000000004BF0000-0x0000000004C82000-memory.dmp

                  Filesize

                  584KB

                • memory/1700-151-0x00000000051A0000-0x0000000005746000-memory.dmp

                  Filesize

                  5.6MB

                • memory/1700-175-0x0000000008AE0000-0x0000000008B56000-memory.dmp

                  Filesize

                  472KB

                • memory/1700-178-0x000000000A440000-0x000000000A96C000-memory.dmp

                  Filesize

                  5.2MB

                • memory/1700-173-0x0000000008660000-0x00000000086C6000-memory.dmp

                  Filesize

                  408KB

                • memory/1700-149-0x0000000000100000-0x0000000000162000-memory.dmp

                  Filesize

                  392KB

                • memory/1700-150-0x0000000000BC0000-0x0000000000BE0000-memory.dmp

                  Filesize

                  128KB

                • memory/1700-176-0x0000000008AB0000-0x0000000008ACE000-memory.dmp

                  Filesize

                  120KB

                • memory/1700-172-0x0000000007A30000-0x0000000007A7C000-memory.dmp

                  Filesize

                  304KB

                • memory/1700-171-0x00000000078C0000-0x00000000078FC000-memory.dmp

                  Filesize

                  240KB

                • memory/1700-170-0x0000000007860000-0x0000000007872000-memory.dmp

                  Filesize

                  72KB

                • memory/1700-169-0x0000000007920000-0x0000000007A2A000-memory.dmp

                  Filesize

                  1.0MB

                • memory/1700-168-0x0000000007DD0000-0x00000000083E8000-memory.dmp

                  Filesize

                  6.1MB

                • memory/1700-177-0x0000000008E10000-0x0000000008FD2000-memory.dmp

                  Filesize

                  1.8MB

                • memory/1700-153-0x0000000004CD0000-0x0000000004CDA000-memory.dmp

                  Filesize

                  40KB

                • memory/2012-75-0x0000000000400000-0x0000000000648000-memory.dmp

                  Filesize

                  2.3MB

                • memory/2012-70-0x0000000000400000-0x0000000000648000-memory.dmp

                  Filesize

                  2.3MB

                • memory/2012-68-0x0000000000400000-0x0000000000648000-memory.dmp

                  Filesize

                  2.3MB

                • memory/2012-66-0x0000000000400000-0x0000000000648000-memory.dmp

                  Filesize

                  2.3MB

                • memory/2012-174-0x0000000000400000-0x0000000000648000-memory.dmp

                  Filesize

                  2.3MB

                • memory/3664-136-0x0000000000400000-0x0000000000596000-memory.dmp

                  Filesize

                  1.6MB

                • memory/3664-181-0x0000000000400000-0x0000000000596000-memory.dmp

                  Filesize

                  1.6MB

                • memory/4292-53-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-37-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-27-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-25-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-21-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-17-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-15-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-9-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-47-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-39-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-23-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-20-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-11-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-7-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-6-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-31-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-33-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-1-0x0000000000EF0000-0x00000000014AE000-memory.dmp

                  Filesize

                  5.7MB

                • memory/4292-35-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-29-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-41-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-43-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-45-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-49-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-51-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

                  Filesize

                  4KB

                • memory/4292-55-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-57-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-59-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-61-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-63-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-65-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-13-0x0000000005E50000-0x0000000005E65000-memory.dmp

                  Filesize

                  84KB

                • memory/4292-5-0x0000000005E50000-0x0000000005E6C000-memory.dmp

                  Filesize

                  112KB

                • memory/4292-4-0x0000000005FD0000-0x00000000060E6000-memory.dmp

                  Filesize

                  1.1MB

                • memory/4292-3-0x00000000747F0000-0x0000000074FA1000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4292-2-0x0000000005E70000-0x0000000005F0C000-memory.dmp

                  Filesize

                  624KB

                • memory/4292-180-0x00000000747F0000-0x0000000074FA1000-memory.dmp

                  Filesize

                  7.7MB

                • memory/4324-132-0x00000000009A0000-0x00000000009A1000-memory.dmp

                  Filesize

                  4KB