Analysis

  • max time kernel
    20s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2024, 18:27

General

  • Target
    9cf8a802217928175088777f3f886dde3cba71c0a5c427ed169e24581e1c7a9b.exe
  • Size 3.5MB
  • Sample240107-w3vmksbfgm
  • SHA256 9cf8a802217928175088777f3f886dde3cba71c0a5c427ed169e24581e1c7a9b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vidar

Version
  • 40.3

Botnet
  • 706

C2
  • https://lenko349.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family
  • nullmixer

C2
  • http://hsiens.xyz/

Extracted

Family
  • redline

Botnet
  • pab777

C2
  • 185.215.113.15:6043

Signatures

  • NullMixer

    NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

  • RedLine

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

  • RedLine payload 2 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 2 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar Stealer 4 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 4 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 13 IoCs
  • Loads dropped DLL 11 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9cf8a802217928175088777f3f886dde3cba71c0a5c427ed169e24581e1c7a9b.exe
    "C:\Users\Admin\AppData\Local\Temp\9cf8a802217928175088777f3f886dde3cba71c0a5c427ed169e24581e1c7a9b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4584
    • C:\Users\Admin\AppData\Local\Temp\setup.exe
      "C:\Users\Admin\AppData\Local\Temp\setup.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4100
      • C:\Users\Admin\AppData\Local\Temp\7zS4006C367\setup_install.exe
        "C:\Users\Admin\AppData\Local\Temp\7zS4006C367\setup_install.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3296
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\782ac5a96a83a.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:5036
          • C:\Users\Admin\AppData\Local\Temp\782ac5a96a83a.exe
            C:\Users\Admin\AppData\Local\Temp\782ac5a96a83a.exe
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:668
            • C:\Users\Admin\AppData\Local\Temp\7zSC92B9347\setup_install.exe
              "C:\Users\Admin\AppData\Local\Temp\7zSC92B9347\setup_install.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:4208
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4208 -s 552
                7⤵
                • Program crash
                PID:2408
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c Thu1235c12d7465e.exe
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:1184
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c Thu1241657e9db03.exe
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:5108
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c Thu1232435f56edba7b.exe
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:208
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c Thu12804b2bd637.exe
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:2548
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c Thu1228ac6c94401.exe
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:3520
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c Thu1268860e437.exe
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:3592
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c Thu12bffd99c3a6.exe
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:1300
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp"
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:4644
  • C:\Users\Admin\AppData\Local\Temp\7zSC92B9347\Thu12804b2bd637.exe
    Thu12804b2bd637.exe
    1⤵
    • Executes dropped EXE
    PID:4060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4060 -s 1748
      2⤵
      • Program crash
      PID:2920
  • C:\Users\Admin\AppData\Local\Temp\7zSC92B9347\Thu1232435f56edba7b.exe
    Thu1232435f56edba7b.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Users\Admin\AppData\Local\Temp\is-3C90E.tmp\Thu1232435f56edba7b.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-3C90E.tmp\Thu1232435f56edba7b.tmp" /SL5="$40234,506086,422400,C:\Users\Admin\AppData\Local\Temp\7zSC92B9347\Thu1232435f56edba7b.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2532
  • C:\Users\Admin\AppData\Local\Temp\7zSC92B9347\Thu1241657e9db03.exe
    Thu1241657e9db03.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4944
  • C:\Users\Admin\AppData\Local\Temp\7zSC92B9347\Thu1228ac6c94401.exe
    Thu1228ac6c94401.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:856
  • C:\Users\Admin\AppData\Local\Temp\7zSC92B9347\Thu1268860e437.exe
    "C:\Users\Admin\AppData\Local\Temp\7zSC92B9347\Thu1268860e437.exe" -u
    1⤵
    • Executes dropped EXE
    PID:2076
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4208 -ip 4208
    1⤵
      PID:4192
    • C:\Users\Admin\AppData\Local\Temp\7zSC92B9347\Thu1235c12d7465e.exe
      Thu1235c12d7465e.exe
      1⤵
      • Executes dropped EXE
      PID:2988
    • C:\Users\Admin\AppData\Local\Temp\7zSC92B9347\Thu1268860e437.exe
      Thu1268860e437.exe
      1⤵
      • Checks computer location settings
      • Executes dropped EXE
      PID:1384
    • C:\Users\Admin\AppData\Local\Temp\7zSC92B9347\Thu12bffd99c3a6.exe
      Thu12bffd99c3a6.exe
      1⤵
      • Executes dropped EXE
      PID:3736
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp"
      1⤵
        PID:2084
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4060 -ip 4060
        1⤵
          PID:4784
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
          1⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2084

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              libgcc_s_dw2-1.dll

              • Path C:\Users\Admin\AppData\Local\Temp\7zS4006C367\libgcc_s_dw2-1.dll
              • Size 113KB
              • SHA256 59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e
              • MD5 SHA1 SHA512 SSDEEP

              libwinpthread-1.dll

              • Path C:\Users\Admin\AppData\Local\Temp\7zS4006C367\libwinpthread-1.dll
              • Size 69KB
              • SHA256 509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723
              • MD5 SHA1 SHA512 SSDEEP

              libzip.dll

              • Path C:\Users\Admin\AppData\Local\Temp\7zS4006C367\libzip.dll
              • Size 65KB
              • SHA256 e186cf97d768a139819278c4ce35e6df65adb2bdaee450409994d4c7c8d7c723
              • MD5 SHA1 SHA512 SSDEEP

              setup_install.exe

              • Path C:\Users\Admin\AppData\Local\Temp\7zS4006C367\setup_install.exe
              • Size 98KB
              • SHA256 c66bcc6ae71f5ed8ba46d54a8e90dde2348aef6abe3ff10a5ed8e2fe3d5bfaf6
              • MD5 SHA1 SHA512 SSDEEP

              zlib1.dll

              • Path C:\Users\Admin\AppData\Local\Temp\7zS4006C367\zlib1.dll
              • Size 73KB
              • SHA256 e96b397b499d9eaa3f52eaf496ca8941e80c0ad1544879ccadf02bf2c6a1ecfc
              • MD5 SHA1 SHA512 SSDEEP

              setup.exe

              • Path C:\Users\Admin\AppData\Local\Temp\setup.exe
              • Size 203KB
              • SHA256 2b917d3138a37faee387c2cefde6e9c22870ea73484811e5646ca6786b8fbc6a
              • MD5 SHA1 SHA512 SSDEEP

              setup.exe

              • Path C:\Users\Admin\AppData\Local\Temp\setup.exe
              • Size 1024KB
              • SHA256 76147e88a622aeed524d5cbef89985822b5329f5912eecfee909460ec7a38163
              • MD5 SHA1 SHA512 SSDEEP

              setup.exe

              • Path C:\Users\Admin\AppData\Local\Temp\setup.exe
              • Size 915KB
              • SHA256 55dadfcd8d9066a7f8172e43f588e410a40a45e03f61cc76528d0dff5fa48a00
              • MD5 SHA1 SHA512 SSDEEP

              memory/856-239-0x00007FFBC9BD0000-0x00007FFBCA691000-memory.dmp

              memory/856-136-0x0000000000230000-0x0000000000238000-memory.dmp

              memory/856-149-0x00007FFBC9BD0000-0x00007FFBCA691000-memory.dmp

              memory/856-154-0x00000000009F0000-0x0000000000A00000-memory.dmp

              memory/1800-126-0x0000000000400000-0x000000000046D000-memory.dmp

              memory/1800-178-0x0000000000400000-0x000000000046D000-memory.dmp

              memory/2084-221-0x00000000073C0000-0x00000000073D4000-memory.dmp

              memory/2084-216-0x0000000006EC0000-0x0000000006EDA000-memory.dmp

              memory/2084-134-0x0000000073270000-0x0000000073A20000-memory.dmp

              memory/2084-139-0x00000000024F0000-0x0000000002500000-memory.dmp

              memory/2084-138-0x0000000005060000-0x0000000005688000-memory.dmp

              memory/2084-185-0x0000000004BD0000-0x0000000004BEE000-memory.dmp

              memory/2084-220-0x00000000073B0000-0x00000000073BE000-memory.dmp

              memory/2084-192-0x0000000006E20000-0x0000000006E52000-memory.dmp

              memory/2084-153-0x00000000024F0000-0x0000000002500000-memory.dmp

              memory/2084-210-0x000000007F5E0000-0x000000007F5F0000-memory.dmp

              memory/2084-219-0x0000000007380000-0x0000000007391000-memory.dmp

              memory/2084-158-0x0000000004F90000-0x0000000004FB2000-memory.dmp

              memory/2084-168-0x00000000058C0000-0x0000000005926000-memory.dmp

              memory/2084-218-0x00000000073F0000-0x0000000007486000-memory.dmp

              memory/2084-169-0x0000000005930000-0x0000000005996000-memory.dmp

              memory/2084-217-0x0000000007200000-0x000000000720A000-memory.dmp

              memory/2084-226-0x0000000073270000-0x0000000073A20000-memory.dmp

              memory/2084-223-0x00000000074A0000-0x00000000074A8000-memory.dmp

              memory/2084-215-0x0000000007820000-0x0000000007E9A000-memory.dmp

              memory/2084-129-0x0000000002890000-0x00000000028C6000-memory.dmp

              memory/2084-208-0x00000000070F0000-0x0000000007193000-memory.dmp

              memory/2084-206-0x00000000063F0000-0x000000000640E000-memory.dmp

              memory/2084-195-0x0000000074D40000-0x0000000074D8C000-memory.dmp

              memory/2084-186-0x0000000005EC0000-0x0000000005F0C000-memory.dmp

              memory/2084-170-0x00000000059A0000-0x0000000005CF4000-memory.dmp

              memory/2084-222-0x00000000074B0000-0x00000000074CA000-memory.dmp

              memory/2532-176-0x0000000000400000-0x0000000000516000-memory.dmp

              memory/2532-150-0x0000000002020000-0x0000000002021000-memory.dmp

              memory/2988-194-0x0000000006450000-0x0000000006460000-memory.dmp

              memory/2988-196-0x0000000006450000-0x0000000006460000-memory.dmp

              memory/2988-245-0x0000000073270000-0x0000000073A20000-memory.dmp

              memory/2988-188-0x0000000001EB0000-0x0000000001EE0000-memory.dmp

              memory/2988-189-0x0000000003B00000-0x0000000003B26000-memory.dmp

              memory/2988-187-0x0000000002020000-0x0000000002120000-memory.dmp

              memory/2988-193-0x0000000003FA0000-0x0000000003FC4000-memory.dmp

              memory/2988-244-0x0000000006450000-0x0000000006460000-memory.dmp

              memory/2988-243-0x0000000002020000-0x0000000002120000-memory.dmp

              memory/2988-242-0x0000000006450000-0x0000000006460000-memory.dmp

              memory/2988-212-0x0000000006A10000-0x0000000006B1A000-memory.dmp

              memory/2988-214-0x0000000006410000-0x000000000644C000-memory.dmp

              memory/2988-213-0x0000000073270000-0x0000000073A20000-memory.dmp

              memory/2988-191-0x0000000000400000-0x0000000001D9A000-memory.dmp

              memory/2988-190-0x0000000006460000-0x0000000006A04000-memory.dmp

              memory/2988-209-0x0000000007030000-0x0000000007648000-memory.dmp

              memory/2988-211-0x00000000063B0000-0x00000000063C2000-memory.dmp

              memory/2988-207-0x0000000006450000-0x0000000006460000-memory.dmp

              memory/3296-40-0x0000000061880000-0x00000000618B7000-memory.dmp

              memory/3296-41-0x0000000064940000-0x0000000064959000-memory.dmp

              memory/3296-51-0x0000000061B80000-0x0000000061B98000-memory.dmp

              memory/3296-50-0x000000006EB40000-0x000000006EB63000-memory.dmp

              memory/3296-38-0x0000000061880000-0x00000000618B7000-memory.dmp

              memory/3296-49-0x0000000061880000-0x00000000618B7000-memory.dmp

              memory/3296-47-0x0000000000400000-0x00000000007A7000-memory.dmp

              memory/3296-48-0x0000000064940000-0x0000000064959000-memory.dmp

              memory/3296-42-0x0000000061880000-0x00000000618B7000-memory.dmp

              memory/4060-156-0x0000000002E10000-0x0000000002F10000-memory.dmp

              memory/4060-175-0x0000000000400000-0x0000000002BB1000-memory.dmp

              memory/4060-238-0x0000000000400000-0x0000000002BB1000-memory.dmp

              memory/4060-157-0x0000000004830000-0x0000000004903000-memory.dmp

              memory/4208-110-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              memory/4208-107-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              memory/4208-109-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              memory/4208-108-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              memory/4208-106-0x000000006B280000-0x000000006B2A6000-memory.dmp

              memory/4208-105-0x000000006B440000-0x000000006B4CF000-memory.dmp

              memory/4208-104-0x000000006B440000-0x000000006B4CF000-memory.dmp

              memory/4208-103-0x0000000064940000-0x0000000064959000-memory.dmp

              memory/4208-102-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              memory/4208-97-0x000000006B440000-0x000000006B4CF000-memory.dmp

              memory/4208-101-0x000000006B440000-0x000000006B4CF000-memory.dmp

              memory/4208-179-0x0000000000400000-0x000000000051B000-memory.dmp

              memory/4208-180-0x000000006B440000-0x000000006B4CF000-memory.dmp

              memory/4208-111-0x000000006B280000-0x000000006B2A6000-memory.dmp

              memory/4208-112-0x000000006B280000-0x000000006B2A6000-memory.dmp

              memory/4208-182-0x000000006B280000-0x000000006B2A6000-memory.dmp

              memory/4208-183-0x000000006EB40000-0x000000006EB63000-memory.dmp

              memory/4208-184-0x000000006FE40000-0x000000006FFC6000-memory.dmp

              memory/4208-181-0x0000000064940000-0x0000000064959000-memory.dmp

              memory/4944-155-0x0000000000EA0000-0x0000000000EB0000-memory.dmp

              memory/4944-152-0x00007FFBC9BD0000-0x00007FFBCA691000-memory.dmp

              memory/4944-151-0x0000000000E00000-0x0000000000E20000-memory.dmp

              memory/4944-135-0x0000000000620000-0x000000000064C000-memory.dmp

              memory/4944-228-0x00007FFBC9BD0000-0x00007FFBCA691000-memory.dmp