Analysis

  • max time kernel
    150s
  • max time network
    146s
  • 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, 18:26

General

  • Target
    Samples 1/3f3c3378e66bb67a7d1c45784e1d297a086abfd7591268e65d90ad10bd12d1c7.exe
  • Size 8.3MB
  • Sample240107-w3ew5aceh9
  • SHA256 3f3c3378e66bb67a7d1c45784e1d297a086abfd7591268e65d90ad10bd12d1c7
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Detect Lumma Stealer payload V4 1 IoCs
  • Lumma Stealer

    An infostealer written in C++ first seen in August 2022.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 16 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Samples 1\3f3c3378e66bb67a7d1c45784e1d297a086abfd7591268e65d90ad10bd12d1c7.exe
    "C:\Users\Admin\AppData\Local\Temp\Samples 1\3f3c3378e66bb67a7d1c45784e1d297a086abfd7591268e65d90ad10bd12d1c7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Users\Admin\AppData\Local\Temp\{582CFCF0-EAD0-4852-B547-3344E0CDE758}\_is56DA.exe
      "C:\Users\Admin\AppData\Local\Temp\{582CFCF0-EAD0-4852-B547-3344E0CDE758}\_is56DA.exe" -IS_temp ORIGINALSETUPEXEDIR="C:\Users\Admin\AppData\Local\Temp\Samples 1" ORIGINALSETUPEXENAME="3f3c3378e66bb67a7d1c45784e1d297a086abfd7591268e65d90ad10bd12d1c7.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4648
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\{582CFCF0-EAD0-4852-B547-3344E0CDE758}\_is56DA.exe"
        3⤵
          PID:3048
        • C:\Users\Admin\AppData\Local\Temp\{3C928975-865F-4DC6-B20D-EA6E201124E2}\SRI Java\vmtoolsd.exe
          "C:\Users\Admin\AppData\Local\Temp\{3C928975-865F-4DC6-B20D-EA6E201124E2}\SRI Java\vmtoolsd.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:452
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\SysWOW64\cmd.exe
      1⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4812
      • C:\Users\Admin\AppData\Local\Temp\ComSecure.exe
        C:\Users\Admin\AppData\Local\Temp\ComSecure.exe
        2⤵
        • Loads dropped DLL
        PID:4968
    • C:\Users\Admin\AppData\Roaming\FWPUCLNT\vmtoolsd.exe
      "C:\Users\Admin\AppData\Roaming\FWPUCLNT\vmtoolsd.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4696

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          ComSecure.exe

          • Path C:\Users\Admin\AppData\Local\Temp\ComSecure.exe
          • Size 134KB
          • SHA256 cabe256289e00e9079deb943ff1330b8063397152d0d4ff1433c84097693d232
          • MD5 SHA1 SHA512 SSDEEP

          c06f5899

          • Path C:\Users\Admin\AppData\Local\Temp\c06f5899
          • Size 26KB
          • SHA256 5dc69a59b1807002b4d0123f97a66893f7fc9e3503f9360976d8b640faad417a
          • MD5 SHA1 SHA512 SSDEEP

          ISLogoSmall.png

          • Path C:\Users\Admin\AppData\Local\Temp\{3C928975-865F-4DC6-B20D-EA6E201124E2}\ISLogoSmall.png
          • Size 1KB
          • SHA256 3039e1e23afc42bd3c07a8f4b65fb5d0377ca70f9f4ffb6fd7e7f33d82d837d1
          • MD5 SHA1 SHA512

          area.app

          • Path C:\Users\Admin\AppData\Local\Temp\{3C928975-865F-4DC6-B20D-EA6E201124E2}\SRI Java\area.app
          • Size 64KB
          • SHA256 b434b8f473adc4f39dfa7aa09d5dbb98f766cc813f1c54bed3932bf610dc7a0e
          • MD5 SHA1 SHA512 SSDEEP

          glib-2.0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\{3C928975-865F-4DC6-B20D-EA6E201124E2}\SRI Java\glib-2.0.dll
          • Size 266KB
          • SHA256 4475848926b6b909fbfeb5e698bd101a8498ec9a0ca0aa62a438bcf5ac485278
          • MD5 SHA1 SHA512 SSDEEP

          glib-2.0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\{3C928975-865F-4DC6-B20D-EA6E201124E2}\SRI Java\glib-2.0.dll
          • Size 325KB
          • SHA256 8ddb1ae0e6ee31a9e941e44eefe3783c56c18f24d9f1277647ef2576da5c6833
          • MD5 SHA1 SHA512 SSDEEP

          gobject-2.0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\{3C928975-865F-4DC6-B20D-EA6E201124E2}\SRI Java\gobject-2.0.dll
          • Size 153KB
          • SHA256 19e5348535f840fce1508bd4853e04871a207bd0f17d904e08b778e95d449f3e
          • MD5 SHA1 SHA512 SSDEEP

          gobject-2.0.dll

          • Path C:\Users\Admin\AppData\Local\Temp\{3C928975-865F-4DC6-B20D-EA6E201124E2}\SRI Java\gobject-2.0.dll
          • Size 92KB
          • SHA256 effb582ceb8c0e44a5fd13c826fea81acff6c5c9ab54c741c145746a81131741
          • MD5 SHA1 SHA512 SSDEEP

          iconv.dll

          • Path C:\Users\Admin\AppData\Local\Temp\{3C928975-865F-4DC6-B20D-EA6E201124E2}\SRI Java\iconv.dll
          • Size 38KB
          • SHA256 dd21c9dc07adc0b24aa13d51931e9f4a173280a939a990464835d7e02c06a60b
          • MD5 SHA1 SHA512 SSDEEP

          iconv.dll

          • Path C:\Users\Admin\AppData\Local\Temp\{3C928975-865F-4DC6-B20D-EA6E201124E2}\SRI Java\iconv.dll
          • Size 37KB
          • SHA256 2b734809b52cf1e0abbb3139ca87b4c9119212ef7296e30ce5af36987939eb29
          • MD5 SHA1 SHA512 SSDEEP

          vmtools.dll

          • Path C:\Users\Admin\AppData\Local\Temp\{3C928975-865F-4DC6-B20D-EA6E201124E2}\SRI Java\vmtools.dll
          • Size 141KB
          • SHA256 c2b1d2ff16fe4aed25053916748d752304e13bf93cc6cf262dbb1ca393b4b891
          • MD5 SHA1 SHA512 SSDEEP

          vmtools.dll

          • Path C:\Users\Admin\AppData\Local\Temp\{3C928975-865F-4DC6-B20D-EA6E201124E2}\SRI Java\vmtools.dll
          • Size 205KB
          • SHA256 6e0c0ee0ba6656df27907e8a0a96f16385302886a435b88fe041c4225e498872
          • MD5 SHA1 SHA512 SSDEEP

          vmtoolsd.exe

          • Path C:\Users\Admin\AppData\Local\Temp\{3C928975-865F-4DC6-B20D-EA6E201124E2}\SRI Java\vmtoolsd.exe
          • Size 63KB
          • SHA256 bf933ccf86c55fc328e343b55dbf2e8ebd528e8a0a54f8f659cd0d4b4f261f26
          • MD5 SHA1 SHA512 SSDEEP

          vmtoolsd.exe

          • Path C:\Users\Admin\AppData\Local\Temp\{3C928975-865F-4DC6-B20D-EA6E201124E2}\SRI Java\vmtoolsd.exe
          • Size 42KB
          • SHA256 2a70f19623f3886cc4b2c9c4ac4e64069d62a6a98a368b04753464b700431832
          • MD5 SHA1 SHA512 SSDEEP

          Setup_UI.dll

          • Path C:\Users\Admin\AppData\Local\Temp\{3C928975-865F-4DC6-B20D-EA6E201124E2}\Setup_UI.dll
          • Size 219KB
          • SHA256 45bb8566a284fefda1521487d4a1d1cf510257fa9a6a47506f5f93cb3d568429
          • MD5 SHA1 SHA512 SSDEEP

          SuiteSetup.ini

          • Path C:\Users\Admin\AppData\Local\Temp\{582CFCF0-EAD0-4852-B547-3344E0CDE758}\SuiteSetup.ini
          • Size 127B
          • SHA256 c32b270d5d13fd5ea5616834517bc1591c4a5f8a392bed3dc7d70f3fbf79b75f
          • MD5 SHA1 SHA512

          _is56DA.exe

          • Path C:\Users\Admin\AppData\Local\Temp\{582CFCF0-EAD0-4852-B547-3344E0CDE758}\_is56DA.exe
          • Size 230KB
          • SHA256 82efb76a91846218cb0713901bcf54b20b32ec10ef152545578368e2adb4b658
          • MD5 SHA1 SHA512 SSDEEP

          _is56DA.exe

          • Path C:\Users\Admin\AppData\Local\Temp\{582CFCF0-EAD0-4852-B547-3344E0CDE758}\_is56DA.exe
          • Size 402KB
          • SHA256 995b767140f71a21f2c2bc20a20deaaa430f0ba7dfc0678f5f9ec852ffcb7b7f
          • MD5 SHA1 SHA512 SSDEEP

          area.app

          • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\area.app
          • Size 164KB
          • SHA256 d85eef20e0d8d3272c9f405a98d8a2192f0329ead950c5da41e8953f022b12de
          • MD5 SHA1 SHA512 SSDEEP

          glib-2.0.dll

          • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\glib-2.0.dll
          • Size 148KB
          • SHA256 5f5b6303284f355e87bad75f537fadd41d5188955a207eb15f34a72dd6c071f1
          • MD5 SHA1 SHA512 SSDEEP

          glib-2.0.dll

          • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\glib-2.0.dll
          • Size 101KB
          • SHA256 6f16884a37ee02c58ba94a2f51a2ad4ac3526a5cbf6c0f66ec770add885d22c3
          • MD5 SHA1 SHA512 SSDEEP

          gmodule-2.0.dll

          • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\gmodule-2.0.dll
          • Size 24KB
          • SHA256 2d6bc34b38bc0abf0c5e2f40e2513b4df47af57848534e011a76d4e974ad958b
          • MD5 SHA1 SHA512 SSDEEP

          gobject-2.0.dll

          • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\gobject-2.0.dll
          • Size 198KB
          • SHA256 c0da0a6bb989c933fa108a844aab82bf815edb385ae9c1dd45f638cc78689b16
          • MD5 SHA1 SHA512 SSDEEP

          gobject-2.0.dll

          • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\gobject-2.0.dll
          • Size 57KB
          • SHA256 ac427f0161a32f3de8000bab798fe7c5cf8deb29ad21ec8f9b27014549435b61
          • MD5 SHA1 SHA512 SSDEEP

          gthread-2.0.dll

          • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\gthread-2.0.dll
          • Size 31KB
          • SHA256 dbaad965702b89c371462e735dd925c694eda8d8557b280f7264bba992c0e698
          • MD5 SHA1 SHA512 SSDEEP

          iconv.dll

          • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\iconv.dll
          • Size 117KB
          • SHA256 0a23d4eec5be5b83bfbdfd9697a92c7a0b3f32103f4c4b0391723c2eba4d96e7
          • MD5 SHA1 SHA512 SSDEEP

          iconv.dll

          • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\iconv.dll
          • Size 213KB
          • SHA256 d57dbf594591bdde47c016e8d14d22b8b759ef6f04b11fba2e4e53b293033d25
          • MD5 SHA1 SHA512 SSDEEP

          intl.dll

          • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\intl.dll
          • Size 87KB
          • SHA256 6a64c9cb0904ed48ce0d5cda137fcfd6dd463d84681436ca647b195aa2038a7e
          • MD5 SHA1 SHA512 SSDEEP

          vmtools.dll

          • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\vmtools.dll
          • Size 227KB
          • SHA256 cef5c4a2cfc02618353ebb8fe488531d28159ee69705b82110e25db346bf8200
          • MD5 SHA1 SHA512 SSDEEP

          vmtools.dll

          • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\vmtools.dll
          • Size 43KB
          • SHA256 9681ce1a4287be30ee3e5331a9557fbda64ffbaecc7a70a844011c6806b69079
          • MD5 SHA1 SHA512 SSDEEP

          memory/452-127-0x00000000727E0000-0x000000007295B000-memory.dmp

          memory/4696-311-0x0000000073CC0000-0x0000000073E3B000-memory.dmp

          memory/4696-251-0x0000000073CC0000-0x0000000073E3B000-memory.dmp

          memory/4696-310-0x0000000073CC0000-0x0000000073E3B000-memory.dmp

          memory/4812-313-0x0000000073CC0000-0x0000000073E3B000-memory.dmp

          memory/4812-315-0x00007FFD3E050000-0x00007FFD3E245000-memory.dmp

          memory/4812-319-0x0000000073CC0000-0x0000000073E3B000-memory.dmp

          memory/4812-317-0x0000000073CC0000-0x0000000073E3B000-memory.dmp

          memory/4812-322-0x0000000073CC0000-0x0000000073E3B000-memory.dmp

          memory/4968-321-0x0000000072A60000-0x0000000073CB4000-memory.dmp

          memory/4968-326-0x00007FFD3E050000-0x00007FFD3E245000-memory.dmp

          memory/4968-328-0x0000000000E80000-0x0000000000F0E000-memory.dmp