Analysis

  • max time kernel
    1s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Samples 1\3f3c3378e66bb67a7d1c45784e1d297a086abfd7591268e65d90ad10bd12d1c7.exe
    "C:\Users\Admin\AppData\Local\Temp\Samples 1\3f3c3378e66bb67a7d1c45784e1d297a086abfd7591268e65d90ad10bd12d1c7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Users\Admin\AppData\Local\Temp\{90799D2D-3EAF-4C62-95DF-F988D31EBFC9}\_is42BB.exe
      "C:\Users\Admin\AppData\Local\Temp\{90799D2D-3EAF-4C62-95DF-F988D31EBFC9}\_is42BB.exe" -IS_temp ORIGINALSETUPEXEDIR="C:\Users\Admin\AppData\Local\Temp\Samples 1" ORIGINALSETUPEXENAME="3f3c3378e66bb67a7d1c45784e1d297a086abfd7591268e65d90ad10bd12d1c7.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1748
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\{90799D2D-3EAF-4C62-95DF-F988D31EBFC9}\_is42BB.exe"
        3⤵
          PID:1220
        • C:\Users\Admin\AppData\Local\Temp\{9C515340-024C-4C24-8C2F-FBCF66DE19A7}\SRI Java\vmtoolsd.exe
          "C:\Users\Admin\AppData\Local\Temp\{9C515340-024C-4C24-8C2F-FBCF66DE19A7}\SRI Java\vmtoolsd.exe"
          3⤵
            PID:2828
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\SysWOW64\cmd.exe
        1⤵
          PID:1988
          • C:\Users\Admin\AppData\Local\Temp\ComSecure.exe
            C:\Users\Admin\AppData\Local\Temp\ComSecure.exe
            2⤵
              PID:2072
          • C:\Users\Admin\AppData\Roaming\FWPUCLNT\vmtoolsd.exe
            "C:\Users\Admin\AppData\Roaming\FWPUCLNT\vmtoolsd.exe"
            1⤵
              PID:1624

            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 1KB
                  • SHA256 7e2ea29afa3dd0ddc082ba031b0c00784cdc56841a7588766dfa24fb481adcb3
                  • MD5 SHA1 SHA512

                  d69c62fd

                  • Path C:\Users\Admin\AppData\Local\Temp\d69c62fd
                  • Size 27KB
                  • SHA256 93d6713e2cff8e3bdcebc66dbca56ef3fc220a1890f5c5128bd791cc8a598083
                  • MD5 SHA1 SHA512 SSDEEP

                  SuiteSetup.ini

                  • Path C:\Users\Admin\AppData\Local\Temp\{90799D2D-3EAF-4C62-95DF-F988D31EBFC9}\SuiteSetup.ini
                  • Size 127B
                  • SHA256 c32b270d5d13fd5ea5616834517bc1591c4a5f8a392bed3dc7d70f3fbf79b75f
                  • MD5 SHA1 SHA512

                  _is42BB.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\{90799D2D-3EAF-4C62-95DF-F988D31EBFC9}\_is42BB.exe
                  • Size 21KB
                  • SHA256 20dd7125b589c8fe14a1cf0436802baeda6f2ccfdd946ec8d0f2f83331a6520b
                  • MD5 SHA1 SHA512 SSDEEP

                  _is42BB.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\{90799D2D-3EAF-4C62-95DF-F988D31EBFC9}\_is42BB.exe
                  • Size 43KB
                  • SHA256 c746bdca8047faf527c2913b0a2d7d443ccd3d94b84e8e0a9eb7e8234b86a12f
                  • MD5 SHA1 SHA512 SSDEEP

                  ISLogoSmall.png

                  • Path C:\Users\Admin\AppData\Local\Temp\{9C515340-024C-4C24-8C2F-FBCF66DE19A7}\ISLogoSmall.png
                  • Size 1KB
                  • SHA256 3039e1e23afc42bd3c07a8f4b65fb5d0377ca70f9f4ffb6fd7e7f33d82d837d1
                  • MD5 SHA1 SHA512

                  area.app

                  • Path C:\Users\Admin\AppData\Local\Temp\{9C515340-024C-4C24-8C2F-FBCF66DE19A7}\SRI Java\area.app
                  • Size 16KB
                  • SHA256 537659d02dde7ef70f63f659072b5a51dc97389b210363e3818d8631379804b3
                  • MD5 SHA1 SHA512 SSDEEP

                  glib-2.0.dll

                  • Path C:\Users\Admin\AppData\Local\Temp\{9C515340-024C-4C24-8C2F-FBCF66DE19A7}\SRI Java\glib-2.0.dll
                  • Size 134KB
                  • SHA256 b46de8ee6e05fbdd820ff4d71cf3671c33a36d36b4ab2b84099ce4036d21b8e6
                  • MD5 SHA1 SHA512 SSDEEP

                  gobject-2.0.dll

                  • Path C:\Users\Admin\AppData\Local\Temp\{9C515340-024C-4C24-8C2F-FBCF66DE19A7}\SRI Java\gobject-2.0.dll
                  • Size 48KB
                  • SHA256 646e21ca976539ebfbf5a4a072e33f7ba8134c1aadc73e1254cb410bb9ddbb34
                  • MD5 SHA1 SHA512 SSDEEP

                  iconv.dll

                  • Path C:\Users\Admin\AppData\Local\Temp\{9C515340-024C-4C24-8C2F-FBCF66DE19A7}\SRI Java\iconv.dll
                  • Size 91KB
                  • SHA256 b556fdd5bdee227b48ed38071b72546c6dd4090da3811ddf5f4face8ae6a733a
                  • MD5 SHA1 SHA512 SSDEEP

                  vmtools.dll

                  • Path C:\Users\Admin\AppData\Local\Temp\{9C515340-024C-4C24-8C2F-FBCF66DE19A7}\SRI Java\vmtools.dll
                  • Size 100KB
                  • SHA256 162daa957adc7c805b4469e08e687950cd19749c10faca8a60cdda8c01ef1206
                  • MD5 SHA1 SHA512 SSDEEP

                  vmtoolsd.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\{9C515340-024C-4C24-8C2F-FBCF66DE19A7}\SRI Java\vmtoolsd.exe
                  • Size 56KB
                  • SHA256 743c50f085e8add22bb4ac0996409b3c6c2fb48a4e7aecfedb5f0e55e7bcee7f
                  • MD5 SHA1 SHA512 SSDEEP

                  area.app

                  • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\area.app
                  • Size 92KB
                  • SHA256 ba6bb0aa7a7ab66a068870456f74f071affe1f5bad40d4d7a34d227e49b2b16f
                  • MD5 SHA1 SHA512 SSDEEP

                  glib-2.0.dll

                  • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\glib-2.0.dll
                  • Size 92KB
                  • SHA256 513592aa946879c765a588d6a75a5ec2fbf9300b667debc60ae3b8a7da5a0b9d
                  • 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 15KB
                  • SHA256 48cc629ff367a5dbbe3c3741f36883de244a06c13153d1dc17ea3f9bbc6628d7
                  • MD5 SHA1 SHA512 SSDEEP

                  iconv.dll

                  • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\iconv.dll
                  • Size 154KB
                  • SHA256 b5d5d562aa33f85f8464a05609f22768dd2a98eeefe7aa4b7e5b311144753ac9
                  • MD5 SHA1 SHA512 SSDEEP

                  intl.dll

                  • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\intl.dll
                  • Size 57KB
                  • SHA256 602ad5b8c8f571d11a8b7af252c0e0d1dcdd8e453167276be96cc069c0d9fc62
                  • MD5 SHA1 SHA512 SSDEEP

                  vmtools.dll

                  • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\vmtools.dll
                  • Size 59KB
                  • SHA256 16d2f23b7c25a2a4d2ef5766297e719f8168b646587a6bec9d5a0b5645c460b4
                  • MD5 SHA1 SHA512 SSDEEP

                  vmtoolsd.exe

                  • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\vmtoolsd.exe
                  • Size 63KB
                  • SHA256 bf933ccf86c55fc328e343b55dbf2e8ebd528e8a0a54f8f659cd0d4b4f261f26
                  • MD5 SHA1 SHA512 SSDEEP

                  vmtoolsd.exe

                  • Path C:\Users\Admin\AppData\Roaming\FWPUCLNT\vmtoolsd.exe
                  • Size 41KB
                  • SHA256 c3abb9dd35712e89ddceae8cb6b9c876aafe7b89d031c3e5818e8dbdac1419b8
                  • MD5 SHA1 SHA512 SSDEEP

                  ComSecure.exe

                  • Path \Users\Admin\AppData\Local\Temp\ComSecure.exe
                  • Size 21KB
                  • SHA256 8a3a39a85d1dda4c5e9a8bff8ede90ab55ca14f4900e2ee6c1952c52993599cb
                  • MD5 SHA1 SHA512 SSDEEP

                  glib-2.0.dll

                  • Path \Users\Admin\AppData\Local\Temp\{9C515340-024C-4C24-8C2F-FBCF66DE19A7}\SRI Java\glib-2.0.dll
                  • Size 69KB
                  • SHA256 27341d94bca71fb8c60e5a62c26b486de308909187398daccc9f414ce01ad873
                  • MD5 SHA1 SHA512 SSDEEP

                  gobject-2.0.dll

                  • Path \Users\Admin\AppData\Local\Temp\{9C515340-024C-4C24-8C2F-FBCF66DE19A7}\SRI Java\gobject-2.0.dll
                  • Size 34KB
                  • SHA256 82c3e7c15ac11c4da7d2ce1b8b2c97dfecc63ca78ffdc1d2f7d86c2addb6d1e0
                  • MD5 SHA1 SHA512 SSDEEP

                  intl.dll

                  • Path \Users\Admin\AppData\Local\Temp\{9C515340-024C-4C24-8C2F-FBCF66DE19A7}\SRI Java\intl.dll
                  • Size 87KB
                  • SHA256 6a64c9cb0904ed48ce0d5cda137fcfd6dd463d84681436ca647b195aa2038a7e
                  • MD5 SHA1 SHA512 SSDEEP

                  vmtools.dll

                  • Path \Users\Admin\AppData\Local\Temp\{9C515340-024C-4C24-8C2F-FBCF66DE19A7}\SRI Java\vmtools.dll
                  • Size 46KB
                  • SHA256 d440c21aa081a2bfd725830be6f1d1aa19aba428c3e9483e51d8c5311477c9e9
                  • MD5 SHA1 SHA512 SSDEEP

                  Setup_UI.dll

                  • Path \Users\Admin\AppData\Local\Temp\{9C515340-024C-4C24-8C2F-FBCF66DE19A7}\Setup_UI.dll
                  • Size 45KB
                  • SHA256 392ce62d1c3522b613138d36e7c4db368be83a4e0cae65b97f1b644626e477b6
                  • MD5 SHA1 SHA512 SSDEEP

                  glib-2.0.dll

                  • Path \Users\Admin\AppData\Roaming\FWPUCLNT\glib-2.0.dll
                  • Size 35KB
                  • SHA256 0b18a42ef137a9f3a575117cfc89476c4dd24ac13c9a131d4c619f4f8b710b84
                  • MD5 SHA1 SHA512 SSDEEP

                  gobject-2.0.dll

                  • Path \Users\Admin\AppData\Roaming\FWPUCLNT\gobject-2.0.dll
                  • Size 85KB
                  • SHA256 7693f6ff33c9a898d0f2a2f1873a1f76f7f319b81619cfae9623cbac021ac495
                  • MD5 SHA1 SHA512 SSDEEP

                  gthread-2.0.dll

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

                  iconv.dll

                  • Path \Users\Admin\AppData\Roaming\FWPUCLNT\iconv.dll
                  • Size 182KB
                  • SHA256 41576dd7ed3f29e04b322a8c25319d16fbd1beff334bca8d9bf9e45a10761956
                  • MD5 SHA1 SHA512 SSDEEP

                  intl.dll

                  • Path \Users\Admin\AppData\Roaming\FWPUCLNT\intl.dll
                  • Size 86KB
                  • SHA256 f66e855d7bf78520b1d9725f9c50a7bbac9b81d62ced4f0bed09ce606bbad3b4
                  • MD5 SHA1 SHA512 SSDEEP

                  vmtools.dll

                  • Path \Users\Admin\AppData\Roaming\FWPUCLNT\vmtools.dll
                  • Size 34KB
                  • SHA256 698ca234b862fcc800d556397d50cad7f219722fb568287c1cd0c0044eed9e34
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/1624-310-0x0000000074A20000-0x0000000074B94000-memory.dmp

                  memory/1624-309-0x0000000074A20000-0x0000000074B94000-memory.dmp

                  memory/1624-311-0x0000000074A20000-0x0000000074B94000-memory.dmp

                  memory/1748-21-0x0000000000180000-0x0000000000181000-memory.dmp

                  memory/1988-317-0x0000000074A20000-0x0000000074B94000-memory.dmp

                  memory/1988-321-0x0000000074A20000-0x0000000074B94000-memory.dmp

                  memory/1988-315-0x00000000773C0000-0x0000000077569000-memory.dmp

                  memory/1988-324-0x0000000074A20000-0x0000000074B94000-memory.dmp

                  memory/1988-313-0x0000000074A20000-0x0000000074B94000-memory.dmp

                  memory/2072-325-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                  memory/2072-326-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                  memory/2072-323-0x0000000072940000-0x00000000739A2000-memory.dmp

                  memory/2072-328-0x00000000773C0000-0x0000000077569000-memory.dmp

                  memory/2072-330-0x0000000000400000-0x000000000048E000-memory.dmp

                  memory/2828-126-0x0000000074010000-0x0000000074184000-memory.dmp