Resubmissions

14-01-2025 12:40

250114-pwhacaykaz 10

14-01-2025 11:59

250114-n5y4saxngy 10

13-01-2025 14:41

250113-r2dv8avrgs 10

Analysis

  • max time kernel
    39s
  • max time network
    70s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2025 14:41

General

  • Target

    4363463463464363463463463.exe

  • Size

    10KB

  • MD5

    2a94f3960c58c6e70826495f76d00b85

  • SHA1

    e2a1a5641295f5ebf01a37ac1c170ac0814bb71a

  • SHA256

    2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce

  • SHA512

    fbf55b55fcfb12eb8c029562956229208b9e8e2591859d6336c28a590c92a4d0f7033a77c46ef6ebe07ddfca353aba1e84b51907cd774beab148ee901c92d62f

  • SSDEEP

    192:xlwayyHOXGc20L7BIW12n/ePSjiTlzkGu8stYcFwVc03KY:xlwwHe/20PKn/cLTlHuptYcFwVc03K

Malware Config

Extracted

Family

lumma

C2

https://servicedny.site/api

https://authorisev.site/api

https://faulteyotk.site/api

https://dilemmadu.site/api

https://contemteny.site/api

https://goalyfeastz.site/api

https://opposezmny.site/api

https://seallysl.site/api

https://ponintnykqwm.shop/api

Extracted

Family

xworm

Version

5.0

C2

applications-scenario.gl.at.ply.gg:53694

Mutex

LkatwdFtbmAdPfGj

Attributes
  • Install_directory

    %AppData%

  • install_file

    Wave.exe

aes.plain

Signatures

  • Detect Xworm Payload 2 IoCs
  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Downloads MZ/PE file
  • Drops file in Drivers directory 3 IoCs
  • Manipulates Digital Signatures 1 TTPs 1 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in System32 directory 26 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Checks SCSI registry key(s) 3 TTPs 26 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 41 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4363463463464363463463463.exe
    "C:\Users\Admin\AppData\Local\Temp\4363463463464363463463463.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3964
    • C:\Users\Admin\AppData\Local\Temp\Files\khtoawdltrha.exe
      "C:\Users\Admin\AppData\Local\Temp\Files\khtoawdltrha.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1352
    • C:\Users\Admin\AppData\Local\Temp\Files\NdisInstaller3.2.32.1.exe
      "C:\Users\Admin\AppData\Local\Temp\Files\NdisInstaller3.2.32.1.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious use of WriteProcessMemory
      PID:2180
      • C:\Users\Admin\AppData\Local\Temp\Files\certinst.exe
        certinst.exe root.cer
        3⤵
        • Manipulates Digital Signatures
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies system certificate store
        PID:780
      • C:\Users\Admin\AppData\Local\Temp\Files\snetcfg.exe
        snetcfg.exe -v -l ndisrd_lwf.inf -c s -i nt_ndisrd
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Windows directory
        PID:5116
    • C:\Users\Admin\AppData\Local\Temp\Files\XClient.exe
      "C:\Users\Admin\AppData\Local\Temp\Files\XClient.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1904
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch -p -s DeviceInstall
    1⤵
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "4" "0" "C:\Users\Admin\AppData\Local\Temp\{078876bf-24f5-5048-8af7-515b1123e9a9}\ndisrd_lwf.inf" "9" "4bd8d163f" "0000000000000148" "WinSta0\Default" "0000000000000158" "208" "C:\Users\Admin\AppData\Local\Temp\Files"
      2⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Modifies data under HKEY_USERS
      PID:4796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Files\NdisInstaller3.2.32.1.exe

    Filesize

    720KB

    MD5

    856b304059bba7cd73f05328e48daff8

    SHA1

    e9e52af6dd4715ece91d253bda4acba43abcf277

    SHA256

    f6ce81e27f70f5563c0e69a0d8e027deb28e96d3bef447d8cdd687ce3b8a3919

    SHA512

    fbf4373b94199b06a19e751f9cdcad6c05ecaed496f8d5d352f05bc5d6e53dfeac18ae3b5896f1da816c68da1c6254a7ea3335872aa8f296262662a67433606d

  • C:\Users\Admin\AppData\Local\Temp\Files\XClient.exe

    Filesize

    237KB

    MD5

    34d6274d11258ced240d9197baef3468

    SHA1

    21f0e4e9f0d19ecb2027cbd98f6f7e1e5c2be131

    SHA256

    25179f1c63031ba0b4daf7ff315f008d6f794eed2b5d486c796457cd4a8b4bce

    SHA512

    54f123f82a53b402bbfdfbf5da99ca84cdff4ba1ff1494cd2c983541fb100a8239e799de2e1f4d2de189f1b31bcd1354c5f88b726424bae055053b57c204ccfb

  • C:\Users\Admin\AppData\Local\Temp\Files\certinst.exe

    Filesize

    53KB

    MD5

    2d948539597c092b917ede9ac3dc298b

    SHA1

    7ec62bbfce2c2d213922b21e9261ad8421daef5d

    SHA256

    be6bd964af73210976747ab01b8081c5988703600b49c4725d43affb3835da6e

    SHA512

    1266d4f8eb02748b61d4da289c67247966a40553a1081058b74fd26e43ba86db1913597df7938c24dfd7f766e341059af2a2a2c3f0ef7f1b8aedc46a1e6b8e71

  • C:\Users\Admin\AppData\Local\Temp\Files\khtoawdltrha.exe

    Filesize

    1.2MB

    MD5

    21eb0b29554b832d677cea9e8a59b999

    SHA1

    e6775ef09acc67f90e07205788a4165cbf8496ca

    SHA256

    9aaa862061c903f3f5a1d509f0016a599b9152d02ea0365dfd3bbd9c5c147656

    SHA512

    e7434e0d46e37e4a76bd8e394063a3ac531892b972347b3de8aa71689ded1ce4968b1a1defda720af4cfa66037390cbe771105e7bf892ef640cbee12e862e742

  • C:\Users\Admin\AppData\Local\Temp\Files\ndisrd.cat

    Filesize

    10KB

    MD5

    57f18ba4482ce389813f1d9a7e4c25e2

    SHA1

    80952e76258d61bb2857a2cdad0b5f08d23f3f50

    SHA256

    b5d021d96b29b9c961c135dc992b68aea4380653b7179747b0f39e4a019a6f57

    SHA512

    f5812729085dfe557c2e48a74168064f501a274ea0f6bfbd590b67bd144a48d6b8576f04739b53d871fdb999ff7f5c2e6a7d025ae6d561eca1a376c4983efea8

  • C:\Users\Admin\AppData\Local\Temp\Files\ndisrd.sys

    Filesize

    56KB

    MD5

    36b09f1926e69866333f33a87ae87c54

    SHA1

    120c914cb5a1c96971514a392acb9150ed1d748d

    SHA256

    8e9a3db5d50cea173fcf7f93552bd62846af4b92cafa8c25e55fff88a5a1d364

    SHA512

    3f4c6fd484666f4a4942ca92e124a48e3d1f3891ac613b6e14a79c2f9036006162ea46bcbcdd6901abeadbe45785f82561acd827299ab87000f626d644dea920

  • C:\Users\Admin\AppData\Local\Temp\Files\ndisrd_lwf.inf

    Filesize

    2KB

    MD5

    7037faf01371f8f2b40acd965624f564

    SHA1

    df69062aeef984b957290d6b9216319ef19a8a57

    SHA256

    bff2d6c7975e221074c2a20c74f8671f191e7a43dcf9e7435366213dc40ac993

    SHA512

    29758763b23efd18f037c9695eb4f949feebfa15e41e2cfe3635d1163515e349fdc95de595215e5996ea3f6db1b15ee2f28c968e788b78e43b6dcf46dd04c0ed

  • C:\Users\Admin\AppData\Local\Temp\Files\root.cer

    Filesize

    1KB

    MD5

    6a3ba8df688d08464008efa7ae49be8d

    SHA1

    fdb7cffe05417c221025e753bc3999e44d10c22a

    SHA256

    a09f01679b590ef637341dc874fb846581caecff0571036493ac42f4ff9ce335

    SHA512

    6109c023c87b1688b542baca5f94a7d4029e83fafbdec6e5dac811c80fb6ad7a17073a8896bae2a12620e21a364a75945e2fbfba7380a65a2ad665597c201788

  • C:\Users\Admin\AppData\Local\Temp\Files\snetcfg.exe

    Filesize

    15KB

    MD5

    3b646b9d750aadd3dc5e26d08ea5b285

    SHA1

    a396e740a34da1112621efca0b7309dba9706cf5

    SHA256

    c80d994761ec106e15232ca38aeda7e673d82888644fc8e71d6943c2af26f3e7

    SHA512

    4e448d4d2b10d44f09e337856c3e133e99a41448fb132fb675805c140d22bd85602ee130b6204a6a17f5391946156c133a975e0f411dd1f38abd30cd53635d2d

  • memory/1352-15-0x0000000000D40000-0x0000000001103000-memory.dmp

    Filesize

    3.8MB

  • memory/1352-14-0x0000000000D40000-0x0000000001103000-memory.dmp

    Filesize

    3.8MB

  • memory/1904-43-0x00000000005E0000-0x0000000000622000-memory.dmp

    Filesize

    264KB

  • memory/3964-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

    Filesize

    4KB

  • memory/3964-5-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3964-4-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

    Filesize

    4KB

  • memory/3964-3-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/3964-2-0x0000000005040000-0x00000000050DC000-memory.dmp

    Filesize

    624KB

  • memory/3964-1-0x00000000005E0000-0x00000000005E8000-memory.dmp

    Filesize

    32KB