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Resubmissions

14/01/2025, 02:39

250114-c5d8tstrds 1

14/01/2025, 02:26

250114-cwtxxswpcn 10

Analysis

  • max time kernel
    94s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/01/2025, 02:26

General

  • Target

    413c17f73a0831d6ae209e491856a66e07e8c0af70e7e06f68a7b7570ccb3a95.msi

  • Size

    16.1MB

  • MD5

    18577f68754f3e2703cdca2df9ba65ff

  • SHA1

    8d8846470510b1b6f81c0725975c7c3589568bb3

  • SHA256

    413c17f73a0831d6ae209e491856a66e07e8c0af70e7e06f68a7b7570ccb3a95

  • SHA512

    eb238a258b0dfe40716c2a8bc847951abbac4e7224ecefcb13be559a63cc39e6645e406764991cb60b87aa082196b890ff78c3c25c659b851eb02c4064e8eaec

  • SSDEEP

    393216:LPF3zv8Zrqb+CUuubX26jytnTPjnXcBv9k2VvOTp:JzwqNUHytvnMd9Z

Malware Config

Extracted

Family

lumma

C2

https://impend-differ.biz/api

https://print-vexer.biz/api

https://dare-curbys.biz/api

https://covery-mover.biz/api

https://formy-spill.biz/api

https://dwell-exclaim.biz/api

https://zinc-sneark.biz/api

https://se-blurry.biz/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • 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
  • Drops file in Windows directory 14 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 5 IoCs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\413c17f73a0831d6ae209e491856a66e07e8c0af70e7e06f68a7b7570ccb3a95.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2368
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3608
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:532
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 3DCD288C346C8ED9C1E151195A866906
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4284
    • C:\Windows\Installer\MSIF208.tmp
      "C:\Windows\Installer\MSIF208.tmp"
      2⤵
      • Suspicious use of SetThreadContext
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3992
      • C:\Windows\SysWOW64\dxdiag.exe
        "C:\Windows\SysWOW64\dxdiag.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2268
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2416

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\e57ecb5.rbs

    Filesize

    923B

    MD5

    bdf084da1f8452eaffd5fbed516197fb

    SHA1

    455c4117b16bde27d0eb7649b22f4b69169adf8c

    SHA256

    841a1a873abe40762b97cea3c3363fd17ce96cdf8c24c61e835bef450a398ee6

    SHA512

    b0ed61311f8cfd51fe63c8107ce88d615fa06b835ee391e322d6903c68bdbdec567ed0cb48ba5cc4e48014f24dae9874c15b111a521b9e10237dc931670cb0b2

  • C:\Windows\Installer\MSIED1F.tmp

    Filesize

    997KB

    MD5

    ec6ebf65fe4f361a73e473f46730e05c

    SHA1

    01f946dfbf773f977af5ade7c27fffc7fe311149

    SHA256

    d3614d7bece53e0d408e31da7d9b0ff2f7285a7dd544c778847ed0c5ded5d52f

    SHA512

    e4d7aafa75d07a3071d2739d18b4c2b0a3798f754b339c349db9a6004d031bf02f3970b030cec4a5f55b4c19f03794b0ce186a303d936c222e7e6e8726fffff7

  • C:\Windows\Installer\MSIF021.tmp

    Filesize

    1.1MB

    MD5

    03cc8828bb0e0105915b7695b1ec8d88

    SHA1

    cbf8ec531ea7e3ee58b51bd642f8bfabdc759ee1

    SHA256

    0e1491ae7344f3a5ec824732648ccdda19b271d6f01471793bf292840fc83b5e

    SHA512

    593a76166eb6ce2e3537b0d93e216daef12e4ab5b181a194b55a90b39a1af2e0374c4ec3833a000530425319a003cd1a648489640fccaf108061ebea1d9cb1e7

  • C:\Windows\Installer\MSIF208.tmp

    Filesize

    12.5MB

    MD5

    4d82074854750fdba89d76624cc1e6f6

    SHA1

    1cab8150956317418f64e67692072cac8472b75b

    SHA256

    019cf1aad1f8d4f1b5dae3aa609b2b53cffc3c7894b58b9f0b225868aed7342d

    SHA512

    068bd8c1db17c4def612618d463239f002e8f4712691a8fc9163215bdaa7bc5306aa861c396438c647e7b839c2c67c5709b25e0695e1baa668aa100310255f9d

  • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

    Filesize

    24.1MB

    MD5

    5c7b952ba172d72e004b42c56cde3bee

    SHA1

    8c51b7e6c314b028788c590bc2cdb0fb04f35745

    SHA256

    c1d98d0a59ec6ecc7bdf7ad7f000c0e48b35497ff1c01313d1fad6b955233d90

    SHA512

    0e0f18b8f37e9c98ab998525780bf5ac974e1e3bc427e152e628da24c954c600347986c9d65159fa191bff655a0063a2dfc192308242c29f074fa230a8a1e753

  • \??\Volume{f0eec59f-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{3b8391db-a836-448b-97bf-2d6761066034}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    eee37ebbf068d28fdc0063b67b391b16

    SHA1

    b56e7481060c52e51db9ac7ddb8368a3715b7a04

    SHA256

    7bf69ea4b9b3b058ecb977cbe75dbb544cfdd366a2543ba12edc7a2b03cb17e4

    SHA512

    b2f1d70ae9339d977a49eec0fdb996758fee131ac5723e7ecf2e5b81c9f8f50c7066d88ed7d5cd1791e39c79d09bf7412daceded7525ad5d066dd53b6e64aa66

  • memory/2268-49-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB

  • memory/2268-50-0x0000000000400000-0x0000000000456000-memory.dmp

    Filesize

    344KB