Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 10:23

General

  • Target

    docx.msi

  • Size

    1.7MB

  • MD5

    904ac94be4b6b3e1a4bf741d80401879

  • SHA1

    bfd7f9e4bb42f54c02c4933439c9e90b8c975299

  • SHA256

    fbbbf890b135445dec6c10625b0fdad8246523ba83e6e052a74e01d3856fb648

  • SHA512

    c2ff2e02c00e485e3551c6a8b3451cf227f8317e4b908b4fe1202337288937cebffbdbd2f5bc5ae33326ef9e14e9f8c18563bdfe3d6d5c9dad7413b96fbd31e9

  • SSDEEP

    49152:PEVnsHyjtk2MYC5GDFhloJfjQiCSAKyHI9K9:mnsmtk2aAhl0RC1g

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Signatures

  • Xred

    Xred is backdoor written in Delphi.

  • Xred family
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • AutoIT Executable 16 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 5 IoCs
  • UPX packed file 20 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 10 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies data under HKEY_USERS 43 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 61 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 32 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\docx.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2372
  • 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:2328
    • C:\Windows\Installer\MSIF3E2.tmp
      "C:\Windows\Installer\MSIF3E2.tmp"
      2⤵
      • Adds Run key to start application
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2712
      • C:\ProgramData\Synaptics\Synaptics.exe
        "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
        3⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2992
        • C:\Windows\SysWOW64\._cache_Synaptics.exe
          "C:\Windows\system32\._cache_Synaptics.exe" InjUpdate
          4⤵
          • Drops startup file
          • Adds Run key to start application
          • Drops file in System32 directory
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of WriteProcessMemory
          PID:1384
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c schtasks /create /tn TGWEKK.exe /tr C:\Users\Admin\AppData\Roaming\Windata\XVZBZS.exe /sc minute /mo 1
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1904
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /tn TGWEKK.exe /tr C:\Users\Admin\AppData\Roaming\Windata\XVZBZS.exe /sc minute /mo 1
              6⤵
              • System Location Discovery: System Language Discovery
              • Scheduled Task/Job: Scheduled Task
              PID:1136
          • C:\Windows\SysWOW64\WSCript.exe
            WSCript C:\Users\Admin\AppData\Local\Temp\TGWEKK.vbs
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1692
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:348
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003B4" "00000000000003D8"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2912
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1092
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {8784CB23-8DBD-40D1-8E9F-DB6CC80F9F07} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:784
    • C:\Users\Admin\AppData\Roaming\Windata\XVZBZS.exe
      C:\Users\Admin\AppData\Roaming\Windata\XVZBZS.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:272
    • C:\Users\Admin\AppData\Roaming\Windata\XVZBZS.exe
      C:\Users\Admin\AppData\Roaming\Windata\XVZBZS.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2192

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Config.Msi\f76f2ac.rbs

    Filesize

    621B

    MD5

    0c545aa6b01773ca3a644fd1afd33837

    SHA1

    ab07418d7403a246a66e1f399781a827a6e99c9a

    SHA256

    5594f53643ab48a2d5ec5f11d53008425e1ca8f4e9bb81260434be9f5f7741b4

    SHA512

    b4899aaa3ecaf9238cea0d230df748e3506027cdc11c23536b445a234f18fab085430e2b7ee7a29eff5b2562e73f31bb6caee77dc4fb7b260224f35833d6132b

  • C:\Users\Admin\AppData\Local\Temp\J2e4rSUK.xlsm

    Filesize

    21KB

    MD5

    fa241b01e8f58d681efd2de44e703c0d

    SHA1

    7c0c239d17da577ffc6788dfb762cc6d21d4b05d

    SHA256

    a21b7cd44f57a56aed8d559cb9203f6dc8f9cee4f4e9218cd7634a5a91a6f212

    SHA512

    d8cbf2063ec04d6bac753f34d93a4cb68a223ddb1209cd85e70202dc3c898eda94b46de4a5dafb76a1c1a97ec19b42548aa57fd357b03c9556815b2a781f2d89

  • C:\Users\Admin\AppData\Local\Temp\J2e4rSUK.xlsm

    Filesize

    25KB

    MD5

    1022f969868eb2b596548454a60c9fb4

    SHA1

    132245ef88dc34fcd834df52a4563380c02ca548

    SHA256

    dcc1e9ca8591a35fb812f9c52bd3bb819aa86d7cb328c895ac4b4486460f75a6

    SHA512

    7b61a07441e7e2febb89c172e334edb98df9cfcd33f525935bb20bbd5a85988426c775640b994a874c7b060b7db23e0b3d932aee0c9b6fd00049a206a2e43f4e

  • C:\Users\Admin\AppData\Local\Temp\J2e4rSUK.xlsm

    Filesize

    25KB

    MD5

    7183da973a2cc8bb9ceda309c64e054f

    SHA1

    85b14ec3fd276edbedc773a60e8cbdfbdfc4e37b

    SHA256

    efd8487459890f62ef29ad2a08415490f2c307a5e7702f1c14cfc2a9b2d89414

    SHA512

    61b158d4e83c509f0f8a657e9859e031345fcad75faffe9ad92041310102bf1ca79353bace66e56c9af7fe6d2029e42d39cc93e8ef1ca807a30064dc81f1c130

  • C:\Users\Admin\AppData\Local\Temp\J2e4rSUK.xlsm

    Filesize

    27KB

    MD5

    36fc6729d4cf5bf491acc4821a4781b7

    SHA1

    d0ff93fd01a17b412541072ca06d61409b0d4db0

    SHA256

    71f7137bd11b33b2ac5cbb8d4d9e2b586c965e135a57f2f40c879ec3b9ecf3aa

    SHA512

    2ebab41b3b357edd07a6c23e3e91fdfbb477452cb4b79d237f07c36df4f6097c49b2ad5fdbb7446d165c9e24acbe68adb40f8cba8fd5b07bfd4f3ab6f2ccfa76

  • C:\Users\Admin\AppData\Local\Temp\J2e4rSUK.xlsm

    Filesize

    17KB

    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

  • C:\Users\Admin\AppData\Local\Temp\TGWEKK.vbs

    Filesize

    840B

    MD5

    89137407cd4107effa2ff9f29a2a99ad

    SHA1

    99814ebc80118160841a2cf0f29eb578b57e4ac6

    SHA256

    cbee270ed61982f063979c013888bb288d5db2720d2d69f86ee13263a26ffe36

    SHA512

    d7f64023ef44e2f91195bd8950f211110f530ec751c39b4122925993e8da7c11e0c8bcd6b4286f67efb6df20cc1cde08ededbc241a8ddbde934b58a75592684b

  • C:\Users\Admin\AppData\Local\Temp\~$J2e4rSUK.xlsm

    Filesize

    165B

    MD5

    ff09371174f7c701e75f357a187c06e8

    SHA1

    57f9a638fd652922d7eb23236c80055a91724503

    SHA256

    e4ba04959837c27019a2349015543802439e152ddc4baf4e8c7b9d2b483362a8

    SHA512

    e4d01e5908e9f80b7732473ec6807bb7faa5425e3154d5642350f44d7220af3cffd277e0b67bcf03f1433ac26a26edb3ddd3707715b61d054b979fbb4b453882

  • C:\Windows\Installer\MSIF3E2.tmp

    Filesize

    1.6MB

    MD5

    a0177c0a9f2254179b112eecf3c58cc6

    SHA1

    03478f572f818c8ffd7f8ebe23632432e82e4461

    SHA256

    55d2bea108eeaabcdf59d449cf15f0efabb59e243d9bd91ff0b0805cd3d133df

    SHA512

    0247f803d5018659899766fe8758c14081b1fe9f414c2afb8f34e78569bf5e9063b746c3adf388b60017367070582e7d8b9422ae94bcef4c8c0d39fa7e4a4470

  • C:\Windows\SysWOW64\._cache_Synaptics.exe

    Filesize

    917KB

    MD5

    14ae5a17618d08f48a350e9496c2c959

    SHA1

    678bea5c7d0bb18d0dcab46c646536de5a51d24f

    SHA256

    36dac4b76a8c3ea977d141ee3df142383efa9b0bc24d19da949d106d0b602207

    SHA512

    fca819082bd9479a7d8bcf27203f4a832e6148dc44655463a28490ca3c3f39f5d1d5ae57f6c235a03fca136b6e315338e776040d1ad18eb200d3953e73d464c2

  • memory/272-152-0x0000000000D90000-0x0000000000F8A000-memory.dmp

    Filesize

    2.0MB

  • memory/272-153-0x0000000000D90000-0x0000000000F8A000-memory.dmp

    Filesize

    2.0MB

  • memory/1092-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1092-139-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1384-143-0x0000000000C00000-0x0000000000DFA000-memory.dmp

    Filesize

    2.0MB

  • memory/1384-167-0x0000000000C00000-0x0000000000DFA000-memory.dmp

    Filesize

    2.0MB

  • memory/1384-210-0x0000000000C00000-0x0000000000DFA000-memory.dmp

    Filesize

    2.0MB

  • memory/1384-208-0x0000000000C00000-0x0000000000DFA000-memory.dmp

    Filesize

    2.0MB

  • memory/1384-142-0x0000000000C00000-0x0000000000DFA000-memory.dmp

    Filesize

    2.0MB

  • memory/1384-206-0x0000000000C00000-0x0000000000DFA000-memory.dmp

    Filesize

    2.0MB

  • memory/1384-201-0x0000000000C00000-0x0000000000DFA000-memory.dmp

    Filesize

    2.0MB

  • memory/1384-145-0x0000000000C00000-0x0000000000DFA000-memory.dmp

    Filesize

    2.0MB

  • memory/1384-147-0x0000000000C00000-0x0000000000DFA000-memory.dmp

    Filesize

    2.0MB

  • memory/1384-149-0x0000000000C00000-0x0000000000DFA000-memory.dmp

    Filesize

    2.0MB

  • memory/1384-54-0x0000000000C00000-0x0000000000DFA000-memory.dmp

    Filesize

    2.0MB

  • memory/1384-199-0x0000000000C00000-0x0000000000DFA000-memory.dmp

    Filesize

    2.0MB

  • memory/1384-163-0x0000000000C00000-0x0000000000DFA000-memory.dmp

    Filesize

    2.0MB

  • memory/1384-65-0x0000000000800000-0x0000000000810000-memory.dmp

    Filesize

    64KB

  • memory/1384-197-0x0000000000C00000-0x0000000000DFA000-memory.dmp

    Filesize

    2.0MB

  • memory/1384-188-0x0000000000C00000-0x0000000000DFA000-memory.dmp

    Filesize

    2.0MB

  • memory/2192-203-0x0000000000080000-0x000000000027A000-memory.dmp

    Filesize

    2.0MB

  • memory/2192-204-0x0000000000080000-0x000000000027A000-memory.dmp

    Filesize

    2.0MB

  • memory/2712-32-0x0000000000400000-0x00000000005A8000-memory.dmp

    Filesize

    1.7MB

  • memory/2992-196-0x0000000000400000-0x00000000005A8000-memory.dmp

    Filesize

    1.7MB

  • memory/2992-184-0x0000000000400000-0x00000000005A8000-memory.dmp

    Filesize

    1.7MB

  • memory/2992-144-0x0000000000400000-0x00000000005A8000-memory.dmp

    Filesize

    1.7MB

  • memory/2992-52-0x0000000005810000-0x0000000005A0A000-memory.dmp

    Filesize

    2.0MB

  • memory/2992-141-0x0000000000400000-0x00000000005A8000-memory.dmp

    Filesize

    1.7MB

  • memory/2992-140-0x0000000005810000-0x0000000005A0A000-memory.dmp

    Filesize

    2.0MB