Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2025 11:55

General

  • Target

    Update_1.65.4.msi

  • Size

    9.5MB

  • MD5

    d330c09503e6c3d51cd2d3435de0795a

  • SHA1

    5b7bbf5bc80f4b3863c263d1aed620faa4612c9d

  • SHA256

    fbccc8952710a8a50655f4fe3a880c8373411b7ec40e54aabd7eaff3f1d0137b

  • SHA512

    ed3abd52e47d36ca3637dbf3d738d6509049162dd3f084dc7b9c286f517be815c6825df2c1070f36ac4e4445e62919c44a37793fc4bc0761076608340c35610e

  • SSDEEP

    196608:0uVUeJYJMd0rWLhjx5YHU+tYERMN2fr/pa/3pqnLtAPLMgzWS3W9i4EzP:lV6WLR+tYiyURmpML6DMgzJsc

Malware Config

Extracted

Family

lumma

C2

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/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 10 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 13 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 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.

  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 18 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\Update_1.65.4.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2520
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Users\Admin\AppData\Local\Forfeiture\ReFB.exe
      "C:\Users\Admin\AppData\Local\Forfeiture\ReFB.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:380
      • C:\Users\Admin\AppData\Roaming\readertask_4\ReFB.exe
        C:\Users\Admin\AppData\Roaming\readertask_4\ReFB.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1420
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\SysWOW64\cmd.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:1888
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            5⤵
            • System Location Discovery: System Language Discovery
            PID:3052
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2964
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000598" "00000000000005DC"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\f76b9cf.rbs

    Filesize

    8KB

    MD5

    aff5509c770fdbfcb6ba903c7fc03850

    SHA1

    361f5bf647c7e8083b09e593864609a0380cf5bf

    SHA256

    67e75804c65d882f86525dca861db3c2a2435d048265f5a7a9af6983e12ab87e

    SHA512

    e485c004205f16ad961267707bc8beb1a138a8c6c9ecf0c1a1ec847d281bf5d0d236df4439116a4634d86c744c1f57c821c08829714b1d0cafd6fa913b2a332a

  • C:\Users\Admin\AppData\Local\Forfeiture\MSVCP100.dll

    Filesize

    411KB

    MD5

    03e9314004f504a14a61c3d364b62f66

    SHA1

    0aa3caac24fdf9d9d4c618e2bbf0a063036cd55d

    SHA256

    a3ba6421991241bea9c8334b62c3088f8f131ab906c3cc52113945d05016a35f

    SHA512

    2fcff4439d2759d93c57d49b24f28ae89b7698e284e76ac65fe2b50bdefc23a8cc3c83891d671de4e4c0f036cef810856de79ac2b028aa89a895bf35abff8c8d

  • C:\Users\Admin\AppData\Local\Forfeiture\MSVCR100.dll

    Filesize

    752KB

    MD5

    67ec459e42d3081dd8fd34356f7cafc1

    SHA1

    1738050616169d5b17b5adac3ff0370b8c642734

    SHA256

    1221a09484964a6f38af5e34ee292b9afefccb3dc6e55435fd3aaf7c235d9067

    SHA512

    9ed1c106df217e0b4e4fbd1f4275486ceba1d8a225d6c7e47b854b0b5e6158135b81be926f51db0ad5c624f9bd1d09282332cf064680dc9f7d287073b9686d33

  • C:\Users\Admin\AppData\Local\Forfeiture\QtCore4.dll

    Filesize

    2.5MB

    MD5

    fecc62a37d37d9759e6b02041728aa23

    SHA1

    0c5f646caef7a6e9073d58ed698f6cfbfb2883a3

    SHA256

    94c1395153d7758900979351e633ab68d22ae9b306ef8e253b712a1aab54c805

    SHA512

    698f90f1248dacbd4bdc49045a4e80972783d9dcec120d187abd08f5ef03224b511f7870320938b7e8be049c243ffb1c450c847429434ef2e2c09288cb9286a6

  • C:\Users\Admin\AppData\Local\Forfeiture\QtGui4.dll

    Filesize

    8.2MB

    MD5

    831ba3a8c9d9916bdf82e07a3e8338cc

    SHA1

    6c89fd258937427d14d5042736fdfccd0049f042

    SHA256

    d2c8c8b6cc783e4c00a5ef3365457d776dfc1205a346b676915e39d434f5a52d

    SHA512

    beda57851e0e3781ece1d0ee53a3f86c52ba99cb045943227b6c8fc1848a452269f2768bf4c661e27ddfbe436df82cfd1de54706d814f81797a13fefec4602c5

  • C:\Users\Admin\AppData\Local\Forfeiture\QtNetwork4.dll

    Filesize

    1.0MB

    MD5

    8a2e025fd3ddd56c8e4f63416e46e2ec

    SHA1

    5f58feb11e84aa41d5548f5a30fc758221e9dd64

    SHA256

    52ae07d1d6a467283055a3512d655b6a43a42767024e57279784701206d97003

    SHA512

    8e3a449163e775dc000e9674bca81ffabc7fecd9278da5a40659620cfc9cc07f50cc29341e74176fe10717b2a12ea3d5148d1ffc906bc809b1cd5c8c59de7ba1

  • C:\Users\Admin\AppData\Local\Forfeiture\QtWebKit4.dll

    Filesize

    12.5MB

    MD5

    e75606f270507c11094945e46a0a87b0

    SHA1

    cd0b160c96f2124ab2d92847bc80739f813f76e6

    SHA256

    0148dd8159d46463ad5c5b51dfe23e2cc16b7b08a1c057708f573684c00ddde9

    SHA512

    ee0cb735ac2cd82cfa524799b172100773996620f1a62d655b5d6a83f2e09034ca233988303660ad2a01d8ac45f456a0e3c41539f6b8b21eccbe043917362ecc

  • C:\Users\Admin\AppData\Local\Forfeiture\ReFB.exe

    Filesize

    80KB

    MD5

    2a8613b7d99903516b8fe02fd820bf52

    SHA1

    78a96addcb556ab1d490fac80f929305263d06b9

    SHA256

    f1d68c5e7c7660d4f2ce412c109b7fe3e088872fa0ebe61ca9ab9dd92a496407

    SHA512

    af0902aeb6169ea507b787da7b61c3533df4610c3f51c1d8f65dfc9008c8ce2580f2d86a49a4d0acc2c51c731f3e4c447d0d1d8e779dc1c75e43d30b79c46436

  • C:\Users\Admin\AppData\Local\Forfeiture\cataract.css

    Filesize

    57KB

    MD5

    d1cc8a9122a2a717629f1a324610336c

    SHA1

    3329d052b890a577df9f77093a05643e545cb533

    SHA256

    623bc1dba626d13257b8bd2308dd1a268c5cf7a63d0bc25125045bac40052182

    SHA512

    a0bba719434f61e44c3055d97a5abcfd8ecb3ac51534d1e8bc1ccb04c29ecae60ee1ef37156d41ef5cc3447d5bda9be5329e17320e09ccd7679c045866054ea9

  • C:\Users\Admin\AppData\Local\Forfeiture\lollapalooza.m4a

    Filesize

    775KB

    MD5

    14116b49d2c306be3a5b16c0bface12e

    SHA1

    6c6fef088b4710f16d1098697dd9eeaa114bfab2

    SHA256

    17461e0f93ddf32026931fbfe7717368bcba30e660674b4a96d388e3bd8059cc

    SHA512

    c92a70bb66b32980ed324eb2848c63566e7d90f1050b2c21197ac0c40d3e4986f529a9455e4ef8c26da35cb89d9533af59ffc323c1b10bb3895b1d11c2f61aed

  • C:\Users\Admin\AppData\Local\Temp\9e9a350e

    Filesize

    1014KB

    MD5

    156765bb4da1c0edf0355fda60e6eca1

    SHA1

    f5dfe07986998195b27d941a9ad9ed2263c3cade

    SHA256

    b1f1825f72bc84e5416ee8308d5ce12240e00a3c1587a0c41f8200e5f4ae2e32

    SHA512

    056a7756fe9157e89613fa8945625df2d0764c566ae5797030f0c424b7950083aab254adb046206fdb9a253053a987e26876304a2cc9f2f6ed16e13852b6a97b

  • C:\Users\Admin\AppData\Local\Temp\Cab59F5.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar5A07.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Windows\Installer\f76b9cd.msi

    Filesize

    9.5MB

    MD5

    d330c09503e6c3d51cd2d3435de0795a

    SHA1

    5b7bbf5bc80f4b3863c263d1aed620faa4612c9d

    SHA256

    fbccc8952710a8a50655f4fe3a880c8373411b7ec40e54aabd7eaff3f1d0137b

    SHA512

    ed3abd52e47d36ca3637dbf3d738d6509049162dd3f084dc7b9c286f517be815c6825df2c1070f36ac4e4445e62919c44a37793fc4bc0761076608340c35610e

  • memory/380-47-0x0000000077940000-0x0000000077AE9000-memory.dmp

    Filesize

    1.7MB

  • memory/380-46-0x0000000074280000-0x00000000743F4000-memory.dmp

    Filesize

    1.5MB

  • memory/1420-78-0x0000000074270000-0x00000000743E4000-memory.dmp

    Filesize

    1.5MB

  • memory/1420-77-0x0000000077940000-0x0000000077AE9000-memory.dmp

    Filesize

    1.7MB

  • memory/1420-76-0x0000000074270000-0x00000000743E4000-memory.dmp

    Filesize

    1.5MB

  • memory/1888-81-0x0000000077940000-0x0000000077AE9000-memory.dmp

    Filesize

    1.7MB

  • memory/1888-82-0x0000000074270000-0x00000000743E4000-memory.dmp

    Filesize

    1.5MB

  • memory/3052-84-0x0000000077940000-0x0000000077AE9000-memory.dmp

    Filesize

    1.7MB

  • memory/3052-85-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB

  • memory/3052-86-0x0000000000400000-0x0000000000457000-memory.dmp

    Filesize

    348KB