Analysis

  • max time kernel
    142s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    24/07/2024, 19:55

General

  • Target
    a4ef531f35ec95d7ea3310eb9a2ded322d2cdbf57eabe96aa491b8202a420c24.exe
  • Size 348KB
  • Sample240724-ym4xesxcle
  • SHA256 a4ef531f35ec95d7ea3310eb9a2ded322d2cdbf57eabe96aa491b8202a420c24
  • MD5 SHA1 SHA512 SSDEEP

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

  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Grants admin privileges 1 TTPs

    Uses net.exe to modify the user's privileges.

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 20 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Network Service Discovery 1 TTPs 1 IoCs

    Attempt to gather information on host's network.

  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Permission Groups Discovery: Local Groups 1 TTPs

    Attempt to find local system groups and permission settings.

  • System Location Discovery: System Language Discovery 1 TTPs 55 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • System Network Connections Discovery 1 TTPs 1 IoCs

    Attempt to get a listing of network connections.

  • Discovers systems in the same network 1 TTPs 4 IoCs
  • Gathers network information 2 TTPs 3 IoCs

    Uses commandline utility to view network configuration.

  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Runs net.exe
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4ef531f35ec95d7ea3310eb9a2ded322d2cdbf57eabe96aa491b8202a420c24.exe
    "C:\Users\Admin\AppData\Local\Temp\a4ef531f35ec95d7ea3310eb9a2ded322d2cdbf57eabe96aa491b8202a420c24.exe"
    1⤵
    • 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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3048
    • C:\Users\Admin\AppData\Local\Temp\a4ef531f35ec95d7ea3310eb9a2ded322d2cdbf57eabe96aa491b8202a420c24.exe
      C:\Users\Admin\AppData\Local\Temp\a4ef531f35ec95d7ea3310eb9a2ded322d2cdbf57eabe96aa491b8202a420c24.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2064
      • C:\ProgramData\Application Data\wmimgmt.exe
        "C:\ProgramData\Application Data\wmimgmt.exe"
        3⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Executes dropped EXE
        • Loads dropped DLL
        • Windows security modification
        • Checks whether UAC is enabled
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:2712
        • C:\ProgramData\Application Data\wmimgmt.exe
          "C:\ProgramData\Application Data\wmimgmt.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Enumerates connected drives
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2724
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /v:on /c "C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\ghi.bat"
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1720
            • C:\Windows\SysWOW64\findstr.exe
              findstr /s "YM.CGP_" "C:\Users\Admin"\..\*.txt
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2500
            • C:\Windows\SysWOW64\chcp.com
              chcp
              6⤵
              • System Location Discovery: System Language Discovery
              PID:988
            • C:\Windows\SysWOW64\net.exe
              net user
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2884
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 user
                7⤵
                • System Location Discovery: System Language Discovery
                PID:2024
            • C:\Windows\SysWOW64\net.exe
              net localgroup administrators
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2420
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 localgroup administrators
                7⤵
                • System Location Discovery: System Language Discovery
                PID:1844
            • C:\Windows\SysWOW64\tasklist.exe
              tasklist
              6⤵
              • Enumerates processes with tasklist
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:1164
            • C:\Windows\SysWOW64\systeminfo.exe
              systeminfo
              6⤵
              • System Location Discovery: System Language Discovery
              • Gathers system information
              PID:1988
            • C:\Windows\SysWOW64\reg.exe
              reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2228
            • C:\Windows\SysWOW64\find.exe
              find "REG_"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2644
            • C:\Windows\SysWOW64\reg.exe
              reg query HKEY_CURRENT_USER\Software\Microsoft\Office
              6⤵
              • System Location Discovery: System Language Discovery
              PID:536
            • C:\Windows\SysWOW64\reg.exe
              reg query HKEY_CURRENT_USER\Software\Microsoft\Office\8.0\Common\UserInfo
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1088
            • C:\Windows\SysWOW64\reg.exe
              reg query HKEY_CURRENT_USER\Software\Microsoft\Office\9.0\Common\UserInfo
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2180
            • C:\Windows\SysWOW64\reg.exe
              reg query HKEY_CURRENT_USER\Software\Microsoft\Office\10.0\Common\UserInfo
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1884
            • C:\Windows\SysWOW64\reg.exe
              reg query HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Common\UserInfo
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1052
            • C:\Windows\SysWOW64\reg.exe
              reg query HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Common\UserInfo
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1900
            • C:\Windows\SysWOW64\reg.exe
              reg query HKEY_CURRENT_USER\Software\Microsoft\Office\13.0\Common\UserInfo
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1112
            • C:\Windows\SysWOW64\ipconfig.exe
              ipconfig /all
              6⤵
              • System Location Discovery: System Language Discovery
              • Gathers network information
              PID:1500
            • C:\Windows\SysWOW64\NETSTAT.EXE
              netstat -ano
              6⤵
              • System Location Discovery: System Language Discovery
              • System Network Connections Discovery
              • Gathers network information
              • Suspicious use of AdjustPrivilegeToken
              PID:824
            • C:\Windows\SysWOW64\ARP.EXE
              arp -a
              6⤵
              • Network Service Discovery
              • System Location Discovery: System Language Discovery
              PID:376
            • C:\Windows\SysWOW64\NETSTAT.EXE
              netstat -r
              6⤵
              • System Location Discovery: System Language Discovery
              • Gathers network information
              PID:948
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c "C:\Windows\system32\route.exe" print
                7⤵
                • System Location Discovery: System Language Discovery
                PID:1332
                • C:\Windows\SysWOW64\ROUTE.EXE
                  C:\Windows\system32\route.exe print
                  8⤵
                  • System Location Discovery: System Language Discovery
                  PID:776
            • C:\Windows\SysWOW64\net.exe
              net start
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2468
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 start
                7⤵
                • System Location Discovery: System Language Discovery
                PID:300
            • C:\Windows\SysWOW64\net.exe
              net use
              6⤵
              • System Location Discovery: System Language Discovery
              PID:604
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" echo n"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2200
            • C:\Windows\SysWOW64\net.exe
              net share
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1832
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 share
                7⤵
                • System Location Discovery: System Language Discovery
                PID:840
            • C:\Windows\SysWOW64\net.exe
              net view /domain
              6⤵
              • System Location Discovery: System Language Discovery
              • Discovers systems in the same network
              PID:1872
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" type C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\\s.log "
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1480
            • C:\Windows\SysWOW64\find.exe
              find /i /v "------"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2472
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" type C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\\t.log "
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2452
            • C:\Windows\SysWOW64\find.exe
              find /i /v "domain"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:528
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" type C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\\s.log "
              6⤵
              • System Location Discovery: System Language Discovery
              PID:356
            • C:\Windows\SysWOW64\find.exe
              find /i /v "¬A╛╣"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2324
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" type C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\\t.log "
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2120
            • C:\Windows\SysWOW64\find.exe
              find /i /v "░⌡ªµª¿"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:556
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" type C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\\s.log "
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2252
            • C:\Windows\SysWOW64\find.exe
              find /i /v "├ⁿ┴ε"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2536
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" type C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\\t.log "
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2440
            • C:\Windows\SysWOW64\find.exe
              find /i /v "completed successfully"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2436
            • C:\Windows\SysWOW64\net.exe
              net view /domain:"WORKGROUP"
              6⤵
              • System Location Discovery: System Language Discovery
              • Discovers systems in the same network
              PID:1856
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /S /D /c" type C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\\workgrp.tmp "
              6⤵
              • System Location Discovery: System Language Discovery
              PID:880
            • C:\Windows\SysWOW64\find.exe
              find "\\"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2140
            • C:\Windows\SysWOW64\net.exe
              net view \\ELZYPTFV
              6⤵
              • System Location Discovery: System Language Discovery
              • Discovers systems in the same network
              PID:3020
            • C:\Windows\SysWOW64\net.exe
              net view \\ELZYPTFV
              6⤵
              • System Location Discovery: System Language Discovery
              • Discovers systems in the same network
              PID:1596
            • C:\Windows\SysWOW64\find.exe
              find "Disk"
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1588
            • C:\Windows\SysWOW64\PING.EXE
              ping -n 1 ELZYPTFV
              6⤵
              • System Location Discovery: System Language Discovery
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:2052
            • C:\Windows\SysWOW64\findstr.exe
              findstr /i "Pinging Reply Request Unknown"
              6⤵
              • System Location Discovery: System Language Discovery
              • System Network Configuration Discovery: Internet Connection Discovery
              PID:2364

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        wmimgmt.exe

        • Path C:\ProgramData\wmimgmt.exe
        • Size 348KB
        • SHA256 a4ef531f35ec95d7ea3310eb9a2ded322d2cdbf57eabe96aa491b8202a420c24
        • MD5 SHA1 SHA512 SSDEEP

        INFO.TXT

        • Path C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\INFO.TXT
        • Size 24.9MB
        • SHA256 f6c6d3a48e16ffb8099dba2ae36f642a89138a3c81df151599a1fa5c65e18146
        • MD5 SHA1 SHA512 SSDEEP

        INFO.TXT

        • Path C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\INFO.TXT
        • Size 7KB
        • SHA256 a602f7c4e83a7bed0bd5f8f8966d0cd8680acf11833ce48350273e25779f317d
        • MD5 SHA1 SHA512 SSDEEP

        drivers.p

        • Path C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\drivers.p
        • Size 15B
        • SHA256 6b8ceb900443f4924efd3187693038965ad7edb488879305489aa72d78f69626
        • MD5 SHA1 SHA512

        ghi.bat

        • Path C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\ghi.bat
        • Size 3KB
        • SHA256 a805b09be4a2503d73876264fa7a489e1efee619bbf7197c4ee8b084fbb1afbc
        • MD5 SHA1 SHA512

        s.log

        • Path C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\s.log
        • Size 153B
        • SHA256 b167a692a2ff54cc5625797ddc367ba8736797130b93961d68b9150aef2f0e12
        • MD5 SHA1 SHA512

        s.log

        • Path C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\s.log
        • Size 64B
        • SHA256 8bfe9f81e5c82cbfe69203c993009c22f940f20727fa8cb43773958bf0eba7c7
        • MD5 SHA1 SHA512

        t.log

        • Path C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\t.log
        • Size 72B
        • SHA256 7f9f3cbab32b3a5022bed245092835cb12502fa2e79d85c8c45d478918ee6569
        • MD5 SHA1 SHA512

        workgrp.tmp

        • Path C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\workgrp.tmp
        • Size 234B
        • SHA256 dc469f971f85ab492ebf0bb8a37271e32e6c0895c96c84015129a42caa6cbe19
        • MD5 SHA1 SHA512

        INFO.TXT

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\INFO.TXT
        • Size 43B
        • SHA256 4358cfe1a4d40b75aed68b946ab03c3a92f6fb1a1099bf19e5993cfd1868636a
        • MD5 SHA1 SHA512

        INFO.TXT

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\INFO.TXT
        • Size 16KB
        • SHA256 e6838fbda27ffbd9df5043faee07c05a3ffc0d4c85a34a87c72381e8b067d7e5
        • MD5 SHA1 SHA512 SSDEEP

        line.dat

        • Path C:\Users\Public\Documents\Media\line.dat
        • Size 74B
        • SHA256 6979a9d011a33426a574e41ccf15560e00af3c6975a48586fea43c3c9ac3ca2e
        • MD5 SHA1 SHA512

        SYSTEM.INI

        • Path C:\Windows\SYSTEM.INI
        • Size 257B
        • SHA256 f06b207755b286c23605a3801315105fe3e9a6a605b44bf84be63124d3e14d05
        • MD5 SHA1 SHA512

        memory/2064-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2064-15-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/2712-42-0x0000000001F40000-0x0000000002FCE000-memory.dmp

        memory/2712-41-0x0000000001F40000-0x0000000002FCE000-memory.dmp

        memory/2712-37-0x0000000001F40000-0x0000000002FCE000-memory.dmp

        memory/2712-53-0x0000000001F40000-0x0000000002FCE000-memory.dmp

        memory/2712-61-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/2712-47-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/2712-46-0x0000000001F40000-0x0000000002FCE000-memory.dmp

        memory/2712-45-0x0000000001F40000-0x0000000002FCE000-memory.dmp

        memory/2712-44-0x0000000001F40000-0x0000000002FCE000-memory.dmp

        memory/2712-43-0x0000000001F40000-0x0000000002FCE000-memory.dmp

        memory/2712-36-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/2712-39-0x0000000001F40000-0x0000000002FCE000-memory.dmp

        memory/2712-40-0x0000000001F40000-0x0000000002FCE000-memory.dmp

        memory/2724-121-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/2724-139-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/2724-136-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/2724-69-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/2724-142-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/2724-135-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/2724-132-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/2724-131-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/2724-129-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/2724-122-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/3048-11-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

        memory/3048-25-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

        memory/3048-9-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

        memory/3048-24-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/3048-14-0x0000000002FB0000-0x0000000003000000-memory.dmp

        memory/3048-10-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

        memory/3048-8-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

        memory/3048-6-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

        memory/3048-5-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

        memory/3048-3-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

        memory/3048-7-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

        memory/3048-4-0x0000000001DB0000-0x0000000002E3E000-memory.dmp

        memory/3048-0-0x0000000000400000-0x0000000000450000-memory.dmp