Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-09-2024 17:32

General

  • Target

    wpsupdate (2).msi

  • Size

    39.8MB

  • MD5

    86fda93a447565165b03697059473390

  • SHA1

    cdf7f60ff16bb3f124130fb5f1c73e7c7016a0bb

  • SHA256

    b8a83029d01c5c2c6c2efa7a0078d8ee3624febf0b16643e2745b69b338097ec

  • SHA512

    1b0cbc0a335f0328ac1fe6846f248a3bb9b62a2f4b478a7f2d08abf7903eda690a49b26c64cd63e19009d3674b9b0001ad3dfc97f8318825181e4c8002f22304

  • SSDEEP

    786432:dVaamaUAKTBoB8O8KiC1Wn3bc98sG3yq3ymxMwvCRW4FBkXi:v3UdBi3sSrGCq3ymxM4y2Xi

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 11 IoCs
  • Drops file in Windows directory 10 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 7 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 64 IoCs
  • Modifies registry class 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 22 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\wpsupdate (2).msi"
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2236
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 858E8686BA990E6E855143D9C0A53C0F M Global\MSI0000
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2592
      • C:\Program Files\ProvideRetailerMagnetic\NEQGPbRTAWHt.exe
        "C:\Program Files\ProvideRetailerMagnetic\NEQGPbRTAWHt.exe" x "C:\Program Files\ProvideRetailerMagnetic\rByypzZOvLCQebwfnFuc" -o"C:\Program Files\ProvideRetailerMagnetic\" -pdsUolIYrsagRANfTTkPD -y
        3⤵
        • Drops file in Program Files directory
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2384
      • C:\Program Files\ProvideRetailerMagnetic\LMlDVFUEyr12.exe
        "C:\Program Files\ProvideRetailerMagnetic\LMlDVFUEyr12.exe" -number 235 -file file3 -mode mode3 -flag flag3
        3⤵
        • Drops file in Program Files directory
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1684
      • C:\Program Files\ProvideRetailerMagnetic\wpsupdate.exe
        "C:\Program Files\ProvideRetailerMagnetic\wpsupdate.exe"
        3⤵
        • Writes to the Master Boot Record (MBR)
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2288
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2648
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000494" "00000000000005D4"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\f766ce8.rbs

    Filesize

    7KB

    MD5

    309d025ceac3a2c45906203a3544609b

    SHA1

    5169b25607b340f5bc700b09cfb1b25931190d58

    SHA256

    935ca29046ffc6b91ac234938f8665786390f27b7739af9a7a3e277cb0c17b3d

    SHA512

    f78b91c3bd0f18a7e9c50453bc8dd7804c0e5dc3e1d2046c2c29e22cb3c07b37f583be2310b6a712398a4a2f6e2ede57d8327bc56f19b472434836d56367a0d0

  • C:\Program Files\ProvideRetailerMagnetic\LMlDVFUEyr12.exe

    Filesize

    2.8MB

    MD5

    09d864bbc9e530c77b353a96a4ea431c

    SHA1

    21e4c5a0a60b0ad453979b9177bf4ecef1b650ea

    SHA256

    9f8fa7eb001ea30933f5db3baa20ad3905e69c882882410aedd898af6c47a5b3

    SHA512

    e7e0c098447f8f0294dee98fa0a810d528a3ebbf976b8dedb301b17e2321a400aa9fd7db36a895242730ee37742116e880f41fdbf7f781ab3154a7b60f4b29f5

  • C:\Program Files\ProvideRetailerMagnetic\NEQGPbRTAWHt.exe

    Filesize

    574KB

    MD5

    42badc1d2f03a8b1e4875740d3d49336

    SHA1

    cee178da1fb05f99af7a3547093122893bd1eb46

    SHA256

    c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

    SHA512

    6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

  • C:\Program Files\ProvideRetailerMagnetic\rByypzZOvLCQebwfnFuc

    Filesize

    1.7MB

    MD5

    3f218cf79b06ffdc7b009b5d33413d01

    SHA1

    db681a298422ca26a507f8ca6df631a4793d4f29

    SHA256

    13e68712c98b65da0c568b54db9f40c8fbd34480fd19520c65859fa936547fcb

    SHA512

    9e5567db4010d41a8cccc27d2fd21a81a85fe52c4b9d14149e1cb61c8482eb97b7ce8342748f3a30eeae311fef320b22d896640c0768163666e4ca7b1497dbcd

  • C:\Program Files\ProvideRetailerMagnetic\wpsupdate.exe

    Filesize

    6.0MB

    MD5

    57dadd6a929f64c2b1efe2d52c1c4985

    SHA1

    962cb227f81f885f23826c3e040aa9dbc97659cf

    SHA256

    996b5d59cce7955b4374bd00d83c422d3a1d9ffebba59c66074c37ab28cfaeb5

    SHA512

    3f64c35e72698ea6a7e708a4367277f3ab62c27f0652e0c55bab6e02239ee37c4f0a21503c0688301fb77bbf8e59e3c5c8aa2df8d62a4ab8a9b9cdf6f0a775cf

  • C:\Users\Admin\AppData\Roaming\kingsoft\office6\log\update\wpsupdate_2024_09_15.log

    Filesize

    2KB

    MD5

    1126f7dd04c71276fabcecd7bc9ac1fb

    SHA1

    63088d27a073aa21b190820524bef446c0c37198

    SHA256

    d6cf9bebe40019f77dacaba899aeed3a67ef53930b069fbbfaa096f41764c254

    SHA512

    419cb4105a819dab6146724693aa4f07240f761c311988a15e2b626cc66049e11c8bef92d0e508d3f8f96c5e0374a982d462d9a481223d62081030bbcbcc461b

  • C:\Windows\Installer\f766ce6.msi

    Filesize

    39.8MB

    MD5

    86fda93a447565165b03697059473390

    SHA1

    cdf7f60ff16bb3f124130fb5f1c73e7c7016a0bb

    SHA256

    b8a83029d01c5c2c6c2efa7a0078d8ee3624febf0b16643e2745b69b338097ec

    SHA512

    1b0cbc0a335f0328ac1fe6846f248a3bb9b62a2f4b478a7f2d08abf7903eda690a49b26c64cd63e19009d3674b9b0001ad3dfc97f8318825181e4c8002f22304

  • \Program Files\ProvideRetailerMagnetic\DbGhYWJuWruS.exe

    Filesize

    832KB

    MD5

    d305d506c0095df8af223ac7d91ca327

    SHA1

    679cb4c763c84e75ccb0fa3475bd6b7a36e81c4a

    SHA256

    923111c7142b3dc783a3c722b19b8a21bcb78222d7a136ac33f0ca8a29f4cb66

    SHA512

    94d369a4db88bff9556a1d7a7fb0188ed935c3592bae09335542c5502ec878e839177be63ac3ab4af75d4dc38a3a4f5d0fd423115ac72cf5dd710c59604db796

  • memory/1684-46-0x0000000000A40000-0x0000000000A6A000-memory.dmp

    Filesize

    168KB

  • memory/2592-12-0x0000000000700000-0x0000000000702000-memory.dmp

    Filesize

    8KB