Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 05:48

General

  • Target
    Setup.exe
  • Size 13.8MB
  • Sample240829-ghfwcsycmp
  • SHA256 5d58bde372ddc0e1515be4ce41246f302e7e4c9962e3296af49aabdec74bee2c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • lumma

C2
  • https://constructgeneratisa.xyz/api

  • https://singerreasonnbasldd.xyz/api

  • https://surprisedscaledowp.xyz/api

  • https://clerkpolicemandwusi.xyz/api

  • https://matterrydamagedowkds.xyz/api

  • https://fiondationkvowos.xyz/api

  • https://voyagedprivillywk.xyz/api

  • https://spitechallengddwlsv.xyz/api

  • https://varitycookypowerw.xyz/api

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is 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 4 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4684
    • C:\Users\Admin\AppData\Local\Temp\WinNc.exe
      "C:\Users\Admin\AppData\Local\Temp\WinNc.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:388
      • C:\Users\Admin\AppData\Roaming\Gr_Fm\WinNc.exe
        C:\Users\Admin\AppData\Roaming\Gr_Fm\WinNc.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Enumerates connected drives
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5068
        • C:\Users\Admin\AppData\Roaming\Gr_Fm\MNNSVTSRROPILODT\Setup.exe
          C:\Users\Admin\AppData\Roaming\Gr_Fm\MNNSVTSRROPILODT\Setup.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2388
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 832
            5⤵
            • Program crash
            PID:64
        • C:\Windows\SysWOW64\more.com
          C:\Windows\SysWOW64\more.com
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:3316
          • C:\Windows\SysWOW64\SearchIndexer.exe
            C:\Windows\SysWOW64\SearchIndexer.exe
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4984
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2388 -ip 2388
    1⤵
      PID:1624

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\7z.dll
          • Size 1.4MB
          • SHA256 15b10608affd4442d0e2ddb9b2fea847cd15d5405928d78ab73d81dae66db9e4
          • MD5 SHA1 SHA512 SSDEEP

          Changes.txt

          • Path C:\Users\Admin\AppData\Local\Temp\Changes.txt
          • Size 65KB
          • SHA256 6ca51ff7d55c035df40661219b56de7c00350bbd87772cb0a57189a24d4fe987
          • MD5 SHA1 SHA512 SSDEEP

          Colors.ini

          • Path C:\Users\Admin\AppData\Local\Temp\Colors.ini
          • Size 6KB
          • SHA256 a9d578c52418dcd65bb8694cfba23be1bddbd703908ceab535fd0c4ed01e75a3
          • MD5 SHA1 SHA512 SSDEEP

          Drive.ico

          • Path C:\Users\Admin\AppData\Local\Temp\Drive.ico
          • Size 24KB
          • SHA256 85cb1befded0b2a9125f22fe0fee7875030ec88d8ae4bf8395565ab8f3218341
          • MD5 SHA1 SHA512 SSDEEP

          Find.ico

          • Path C:\Users\Admin\AppData\Local\Temp\Find.ico
          • Size 26KB
          • SHA256 b25c319bd185fec214bd28d885dcc7a1609f0a08e2e3bd88291368444c5ae5e3
          • MD5 SHA1 SHA512 SSDEEP

          Find_.ico

          • Path C:\Users\Admin\AppData\Local\Temp\Find_.ico
          • Size 41KB
          • SHA256 b08419e753072537e2ef83b6c56ed0a0592e89963cee70d3caf9da5aa049943d
          • MD5 SHA1 SHA512 SSDEEP

          Sfx_en.bin

          • Path C:\Users\Admin\AppData\Local\Temp\Sfx_en.bin
          • Size 33KB
          • SHA256 d8f22e16a72e981b8c1d9978bdaefebfc2546d49c8f49f1ed3ede792f3812297
          • MD5 SHA1 SHA512 SSDEEP

          Startup.xml

          • Path C:\Users\Admin\AppData\Local\Temp\Startup.xml
          • Size 88B
          • SHA256 a52d86083e3c77b364b36dc151cedb5722adba7b1d5043f7aee693774f5f479e
          • MD5 SHA1 SHA512

          State.ico

          • Path C:\Users\Admin\AppData\Local\Temp\State.ico
          • Size 26KB
          • SHA256 15c7d8bc701d6de77a31e2bdb1dbd6ef325634903609e201908bb1a060a22518
          • MD5 SHA1 SHA512 SSDEEP

          VirtualFolder.ico

          • Path C:\Users\Admin\AppData\Local\Temp\VirtualFolder.ico
          • Size 158KB
          • SHA256 e46eea0e585c2a729d4d9bd7790fcd530ae639498407868145115638c9dec09b
          • MD5 SHA1 SHA512 SSDEEP

          VirtualFolder_.ico

          • Path C:\Users\Admin\AppData\Local\Temp\VirtualFolder_.ico
          • Size 41KB
          • SHA256 717f55840329974331d0482ad75646ca8e83c50ab023f5fefbe9b03e66bd35fe
          • MD5 SHA1 SHA512 SSDEEP

          WinNc.exe

          • Path C:\Users\Admin\AppData\Local\Temp\WinNc.exe
          • Size 21.3MB
          • SHA256 34a31ce56c97fdc7a5db20c1dec741830c75d97b87c11c1658754419213ff6d7
          • MD5 SHA1 SHA512 SSDEEP

          WinNcDataFolder.reg

          • Path C:\Users\Admin\AppData\Local\Temp\WinNcDataFolder.reg
          • Size 511B
          • SHA256 3512218bc974944424ef7b6ddafe4c20e6feac90a78728198903890dfd507b93
          • MD5 SHA1 SHA512

          WinNcIconsFlat.icl

          • Path C:\Users\Admin\AppData\Local\Temp\WinNcIconsFlat.icl
          • Size 11.0MB
          • SHA256 fae9aa2b888f35b9d74e9a1c7fca347d6fa10f5f3295e94dbf2231f19db46a40
          • MD5 SHA1 SHA512 SSDEEP

          burn.ico

          • Path C:\Users\Admin\AppData\Local\Temp\burn.ico
          • Size 37KB
          • SHA256 11f189a24dd872d2d8407f5dfd0ae589377ad798dfff30b1c5cc13da914ec0e7
          • MD5 SHA1 SHA512 SSDEEP

          burn_.ico

          • Path C:\Users\Admin\AppData\Local\Temp\burn_.ico
          • Size 41KB
          • SHA256 4f6fc275f5216d40f303d9f277d565fb541a3fc2e71914136bcc321b6b959a7c
          • MD5 SHA1 SHA512 SSDEEP

          charango.ppt

          • Path C:\Users\Admin\AppData\Local\Temp\charango.ppt
          • Size 851KB
          • SHA256 5163400d42478be4a6c4b7112ee9e99078d1a479b47700b8e4e05f41831bf0bd
          • MD5 SHA1 SHA512 SSDEEP

          ftp.ico

          • Path C:\Users\Admin\AppData\Local\Temp\ftp.ico
          • Size 18KB
          • SHA256 a2481b8506408d7dc6a4767f4a48ce8e1dda651fa225a1b142acfe8cccc1190a
          • MD5 SHA1 SHA512 SSDEEP

          ftp_.ico

          • Path C:\Users\Admin\AppData\Local\Temp\ftp_.ico
          • Size 33KB
          • SHA256 124cc7263e0ff5abf2288460fd50239f56be894f20f4caf8384a66608859ef9b
          • MD5 SHA1 SHA512 SSDEEP

          help_en.ini

          • Path C:\Users\Admin\AppData\Local\Temp\help_en.ini
          • Size 9KB
          • SHA256 46264ab1e9f51b1897372dfefbe148e1571ca834a67a4025292744176549a645
          • MD5 SHA1 SHA512 SSDEEP

          lang_en.ini

          • Path C:\Users\Admin\AppData\Local\Temp\lang_en.ini
          • Size 92KB
          • SHA256 a7cc60602eab9596ad9c5a4fcda84354cb12d1d1c118222d16144f0ae655db06
          • MD5 SHA1 SHA512 SSDEEP

          nucha.doc

          • Path C:\Users\Admin\AppData\Local\Temp\nucha.doc
          • Size 90KB
          • SHA256 f78851e9b5679e8cfbb075aedda0f2ad3182545fe0e1b901eeaa912d2a647cb6
          • MD5 SHA1 SHA512 SSDEEP

          unrar64.dll

          • Path C:\Users\Admin\AppData\Local\Temp\unrar64.dll
          • Size 254KB
          • SHA256 3dbc0e6e073f8990ed4a0727c10bd80fa1c62a60690d8a82c65728ff3650c173
          • MD5 SHA1 SHA512 SSDEEP

          Drive_.ico

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\Drive_.ico
          • Size 41KB
          • SHA256 04fbb121dcacfb5a3ce722f0d85d8b531d87a85dea645c12963ebebe925fc8d9
          • MD5 SHA1 SHA512 SSDEEP

          Lang_de.ini

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\Lang_de.ini
          • Size 110KB
          • SHA256 32ba428d5d916906fdef2189d031c9863c44c5f92e992e110147c99eefdf5763
          • MD5 SHA1 SHA512 SSDEEP

          Lang_es.ini

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\Lang_es.ini
          • Size 104KB
          • SHA256 b0f5408c1d42511b5fecd5f9dd4438e041e18ace640591ae6e5a2c9b629f6969
          • MD5 SHA1 SHA512 SSDEEP

          Lang_fa.ini

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\Lang_fa.ini
          • Size 94KB
          • SHA256 8abe57ed3f9f377009ff2cd09a8f065fbe44934ecf152c5ef1092ca090e7d8da
          • MD5 SHA1 SHA512 SSDEEP

          Lang_fr.ini

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\Lang_fr.ini
          • Size 109KB
          • SHA256 bbba55dd0dce3aa8ed7c648e219fd58e48ed646d2a5e3a3082f30975f5ecae19
          • MD5 SHA1 SHA512 SSDEEP

          Lang_it.ini

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\Lang_it.ini
          • Size 73KB
          • SHA256 4d33e9f56db48cfbe8236545c871f7d3441a2748a42268e9efea8e71cc68b25a
          • MD5 SHA1 SHA512 SSDEEP

          Lang_ko.ini

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\Lang_ko.ini
          • Size 64KB
          • SHA256 b081a37588a795b1e3be7bb809ae7cfefa93b16df858fd813e491dad6070887b
          • MD5 SHA1 SHA512 SSDEEP

          Lang_nl.ini

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\Lang_nl.ini
          • Size 103KB
          • SHA256 86938ad61f799dc0c7cedec742f45493a8b2e2ae9b4f979243f8fc9fbda9602f
          • MD5 SHA1 SHA512 SSDEEP

          Lang_ru.ini

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\Lang_ru.ini
          • Size 96KB
          • SHA256 10f4e798a242dd30dd78d268fb73546aa5e41ccb6c7945f5853457924389c54c
          • MD5 SHA1 SHA512 SSDEEP

          Lang_sv.ini

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\Lang_sv.ini
          • Size 61KB
          • SHA256 467d221865b48b5311a21db160ffcff129e8a1145541ee67b6ea8f1d81430bd9
          • MD5 SHA1 SHA512 SSDEEP

          Lang_tr.ini

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\Lang_tr.ini
          • Size 97KB
          • SHA256 35dad73ec3f06be10897e141023a13864fafbfb38d62fbf169bb732b202db555
          • MD5 SHA1 SHA512 SSDEEP

          Lang_uk.ini

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\Lang_uk.ini
          • Size 95KB
          • SHA256 b62e35e5817d0f8ebcf9813eabb97e73b43a4aef1dc8b43f148c4d7319c7e820
          • MD5 SHA1 SHA512 SSDEEP

          Lang_zh.ini

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\Lang_zh.ini
          • Size 52KB
          • SHA256 815b9777943c59b9b5e419c663206c8b82edc7e4a00578e897a9a3811c0f2b17
          • MD5 SHA1 SHA512 SSDEEP

          State_.ico

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\State_.ico
          • Size 41KB
          • SHA256 f8fe9fe26a0ac55442219b1c2ba00cfc769f0254ea06aa14c324acd0d4c88aee
          • MD5 SHA1 SHA512 SSDEEP

          lang_cz.ini

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\lang_cz.ini
          • Size 79KB
          • SHA256 1352a22374bdfa1c2650592a67bbe1968c1dc0deb7ede19023c9cca932e486d5
          • MD5 SHA1 SHA512 SSDEEP

          lang_hu.ini

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\lang_hu.ini
          • Size 98KB
          • SHA256 fa090f04f20cbbf9079d3ee39e336f0b7d625f8deddee18c67aeb00480793b39
          • MD5 SHA1 SHA512 SSDEEP

          lang_pl.ini

          • Path C:\Users\Admin\AppData\Roaming\Gr_Fm\lang_pl.ini
          • Size 100KB
          • SHA256 75f8be435b9a0473859e5404cc723994d5f2a8ad767c40e5b560846f5da6feb8
          • MD5 SHA1 SHA512 SSDEEP

          memory/388-89-0x00000000039E0000-0x00000000039E1000-memory.dmp

          memory/388-174-0x0000000000400000-0x0000000001BD3000-memory.dmp

          memory/3316-204-0x00007FFCB8050000-0x00007FFCB8245000-memory.dmp

          memory/3316-205-0x0000000075810000-0x000000007598B000-memory.dmp

          memory/4984-207-0x00007FFCB8050000-0x00007FFCB8245000-memory.dmp

          memory/4984-208-0x00000000005A0000-0x00000000005F9000-memory.dmp

          memory/4984-211-0x00000000005A0000-0x00000000005F9000-memory.dmp

          memory/5068-195-0x00007FFC994B0000-0x00007FFC99622000-memory.dmp

          memory/5068-197-0x00007FFC994B0000-0x00007FFC99622000-memory.dmp

          memory/5068-199-0x00007FFC994B0000-0x00007FFC99622000-memory.dmp

          memory/5068-200-0x0000000000400000-0x0000000001BD3000-memory.dmp