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Overview

overview

10

Static

static

5

b2d05e5807...d9.exe

windows7-x64

10

b2d05e5807...d9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    146s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 14:36

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General

  • Target

    b2d05e58073e088f181baa61fc942c16ef211489d3aaa264426694e0df8d59d9.exe

  • Size

    1.3MB

  • MD5

    b38588a602da8a39add4afefd91395ce

  • SHA1

    b4e21251343717dba9b271aceaefcb2f5f2188da

  • SHA256

    b2d05e58073e088f181baa61fc942c16ef211489d3aaa264426694e0df8d59d9

  • SHA512

    621b00b447b29ae009eaedc3c3d268cf4e82770baa6f8347656b6f7dc2cca4b97bcbfa06f2c1873bc713b1a45a7ae8f12bb348673ac1dedd3d438c5cef16e960

  • SSDEEP

    24576:KaHMv6Corjqny/Q543dhZkDe0Jq34cRLUFLNGMVyH2ah6:K1vqjd/Q583gRgIcNUFsMyHY

Score
10/10
isrstealersalitybackdoorevasionspywarestealertrojanupx

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • ISR Stealer

    ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

    trojanstealerisrstealer
  • ISR Stealer payload 3 IoCs
  • Modifies firewall policy service 2 TTPs 3 IoCs
    evasion
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

    backdoorsality
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 6 IoCs
    evasiontrojan
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Windows security modification 2 TTPs 7 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:776
    • C:\Windows\system32\dwm.exe
      "dwm.exe"
      1⤵
        PID:312
      • C:\Windows\system32\fontdrvhost.exe
        "fontdrvhost.exe"
        1⤵
          PID:784
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2516
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2528
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2636
              • C:\Windows\System32\RuntimeBroker.exe
                C:\Windows\System32\RuntimeBroker.exe -Embedding
                1⤵
                  PID:3472
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  1⤵
                    PID:3368
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3256
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                      1⤵
                        PID:944
                      • C:\Windows\Explorer.EXE
                        C:\Windows\Explorer.EXE
                        1⤵
                          PID:2596
                          • C:\Users\Admin\AppData\Local\Temp\b2d05e58073e088f181baa61fc942c16ef211489d3aaa264426694e0df8d59d9.exe
                            "C:\Users\Admin\AppData\Local\Temp\b2d05e58073e088f181baa61fc942c16ef211489d3aaa264426694e0df8d59d9.exe"
                            2⤵
                            • Suspicious use of SetThreadContext
                            • Suspicious use of FindShellTrayWindow
                            • Suspicious use of SendNotifyMessage
                            • Suspicious use of WriteProcessMemory
                            PID:4236
                            • C:\Users\Admin\AppData\Local\Temp\b2d05e58073e088f181baa61fc942c16ef211489d3aaa264426694e0df8d59d9.exe
                              "C:\Users\Admin\AppData\Local\Temp\b2d05e58073e088f181baa61fc942c16ef211489d3aaa264426694e0df8d59d9.exe"
                              3⤵
                              • Modifies firewall policy service
                              • UAC bypass
                              • Windows security bypass
                              • Windows security modification
                              • Checks whether UAC is enabled
                              • Suspicious use of SetThreadContext
                              • Drops file in Windows directory
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of SetWindowsHookEx
                              • Suspicious use of WriteProcessMemory
                              • System policy modification
                              PID:2792
                              • C:\Users\Admin\AppData\Local\Temp\b2d05e58073e088f181baa61fc942c16ef211489d3aaa264426694e0df8d59d9.exe
                                /scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"
                                4⤵
                                  PID:3968
                          • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                            "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                            1⤵
                              PID:3568
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4724
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:3768

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Temp\tmp.ini
                                  Filesize

                                  5B

                                  MD5

                                  d1ea279fb5559c020a1b4137dc4de237

                                  SHA1

                                  db6f8988af46b56216a6f0daf95ab8c9bdb57400

                                  SHA256

                                  fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba

                                  SHA512

                                  720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

                                  Download Submit

                                • memory/2792-148-0x0000000002CA0000-0x0000000003D2E000-memory.dmp

                                  Filesize

                                  16.6MB

                                  Download

                                • memory/2792-138-0x0000000000400000-0x0000000000443000-memory.dmp

                                  Filesize

                                  268KB

                                  Download

                                • memory/2792-139-0x0000000002CA0000-0x0000000003D2E000-memory.dmp

                                  Filesize

                                  16.6MB

                                  Download

                                • memory/2792-136-0x0000000000400000-0x0000000000443000-memory.dmp

                                  Filesize

                                  268KB

                                  Download

                                • memory/2792-150-0x0000000000400000-0x0000000000443000-memory.dmp

                                  Filesize

                                  268KB

                                  Download

                                • memory/2792-151-0x0000000002CA0000-0x0000000003D2E000-memory.dmp

                                  Filesize

                                  16.6MB

                                  Download

                                • memory/3968-146-0x0000000000400000-0x0000000000453000-memory.dmp

                                  Filesize

                                  332KB

                                  Download

                                • memory/3968-145-0x0000000000400000-0x0000000000453000-memory.dmp

                                  Filesize

                                  332KB

                                  Download

                                • memory/3968-143-0x0000000000400000-0x0000000000453000-memory.dmp

                                  Filesize

                                  332KB

                                  Download

                                • memory/3968-147-0x0000000000400000-0x0000000000453000-memory.dmp

                                  Filesize

                                  332KB

                                  Download