Analysis

  • max time kernel
    35s
  • max time network
    86s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    27-07-2021 10:16

General

  • Target

    8baef64e7e99be9eae669f1d2af78d40ec4a1807da7cdd7e80fb5a9787dadc92.exe

  • Size

    327KB

  • MD5

    a6ff10bf67216daf5ab754766452ffe7

  • SHA1

    32ad072c26e0deeffd71de36e45d6c3505cce3ea

  • SHA256

    8baef64e7e99be9eae669f1d2af78d40ec4a1807da7cdd7e80fb5a9787dadc92

  • SHA512

    a2b0c9110588f19670390ce1ab9281a019c400e3a83b046afd55951cf24624217a035d921bda28e908a720a0afb2592f5d52258f1369bef887588cf67a4636d0

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 9 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 2 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8baef64e7e99be9eae669f1d2af78d40ec4a1807da7cdd7e80fb5a9787dadc92.exe
    "C:\Users\Admin\AppData\Local\Temp\8baef64e7e99be9eae669f1d2af78d40ec4a1807da7cdd7e80fb5a9787dadc92.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Injector.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Injector.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:468
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1020
      • C:\Users\Admin\AppData\Local\Temp\sbvc.exe
        "C:\Users\Admin\AppData\Local\Temp\sbvc.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1504
        • C:\Users\Admin\AppData\Local\Temp\RarSFX1\Svc_host.exe
          "C:\Users\Admin\AppData\Local\Temp\RarSFX1\Svc_host.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1876

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Injector.exe
    MD5

    b7c6098b0b6e306ef36777b41b559658

    SHA1

    4c3a571b606bc0afecc8b6f3aa08defe3a377634

    SHA256

    bc1b3e71e09eeaf3f325c101ca3804153fa7f8da50b27c288ad5ac357b89a9fb

    SHA512

    512e7f90dc7976935901525264cb085edd4adcb952e2e3732e1f0fc09cae83514e359f45877a6e2299446692a9619f129eb816990007962d2b0c42b88fd43e24

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Injector.exe
    MD5

    b7c6098b0b6e306ef36777b41b559658

    SHA1

    4c3a571b606bc0afecc8b6f3aa08defe3a377634

    SHA256

    bc1b3e71e09eeaf3f325c101ca3804153fa7f8da50b27c288ad5ac357b89a9fb

    SHA512

    512e7f90dc7976935901525264cb085edd4adcb952e2e3732e1f0fc09cae83514e359f45877a6e2299446692a9619f129eb816990007962d2b0c42b88fd43e24

  • C:\Users\Admin\AppData\Local\Temp\RarSFX1\Newtonsoft.Json.dll
    MD5

    6815034209687816d8cf401877ec8133

    SHA1

    1248142eb45eed3beb0d9a2d3b8bed5fe2569b10

    SHA256

    7f912b28a07c226e0be3acfb2f57f050538aba0100fa1f0bf2c39f1a1f1da814

    SHA512

    3398094ce429ab5dcdecf2ad04803230669bb4accaef7083992e9b87afac55841ba8def2a5168358bd17e60799e55d076b0e5ca44c86b9e6c91150d3dc37c721

  • C:\Users\Admin\AppData\Local\Temp\RarSFX1\Svc_host.exe
    MD5

    f8afe900757786eee3e00a0c501dfee0

    SHA1

    493645aa60156dbf756f7986b457944dc7676b29

    SHA256

    b30b32e3308bc4576c2e1a5fa56e4684a7b60d8fecf5cb75c8e0518ec1f901ea

    SHA512

    eb0fdf63d5165a57206ba91f19eca6f7abb5b01724a9029abd3c6506d7482814e6a9a8321cf18ea5b919462d94a4fad61eaa0f3594edb1ebd246a9382e44e172

  • C:\Users\Admin\AppData\Local\Temp\RarSFX1\Svc_host.exe
    MD5

    f8afe900757786eee3e00a0c501dfee0

    SHA1

    493645aa60156dbf756f7986b457944dc7676b29

    SHA256

    b30b32e3308bc4576c2e1a5fa56e4684a7b60d8fecf5cb75c8e0518ec1f901ea

    SHA512

    eb0fdf63d5165a57206ba91f19eca6f7abb5b01724a9029abd3c6506d7482814e6a9a8321cf18ea5b919462d94a4fad61eaa0f3594edb1ebd246a9382e44e172

  • C:\Users\Admin\AppData\Local\Temp\RarSFX1\Svc_host.exe.config
    MD5

    c06f5086e023a7d6fb37e64e8255de3d

    SHA1

    eaac13e0bdb5faf32ad3f8919db6b9bcf7a85987

    SHA256

    362fa63d52a57f001971b68ab18beefa1c4517c3fc31b3c703a7bb8644aee0bf

    SHA512

    8501162c935523315d905f2ea80810236649aa7e96d091e5714daf9b207917100429643bf76abee9e67bdc1f424e078bcd06a35a29059772b138f6a52da1aefa

  • C:\Users\Admin\AppData\Local\Temp\RarSFX1\System.Data.SQLite.dll
    MD5

    83dfd2fe35efb2154bcdd3b475f378f2

    SHA1

    43eaf586250bf5c8b32eb832cf3479a8dbf7cca2

    SHA256

    7a4dde948b573b5a92cb1f63a2201006e61ea24107d9668a36efa378e8d48f08

    SHA512

    0fa675541530a02285d4144df0f85a838a415466f7ea08251297e062a1fa33c475fd29539fa83a62600f4df124dc80f786b4bed2b7aecccc07d9dc09c517b90b

  • C:\Users\Admin\AppData\Local\Temp\sbvc.exe
    MD5

    2f49215b1984212fe4465288bda6a8a6

    SHA1

    128b5625c29559cf78caf7cb17dbce55ac6c9cba

    SHA256

    6aae470221ba1879a26af8172df018f07eafa1f26857a8b33092b7da5582317c

    SHA512

    0466ebc3c8b36c7ebc0857693ea02bf8e6a38d5812aaa3d17b9084d312eb103c745b7e35ee6d473b565a3860e989141228a7071e1bd57f39f46d9fda0f8aa97f

  • C:\Users\Admin\AppData\Local\Temp\sbvc.exe
    MD5

    2f49215b1984212fe4465288bda6a8a6

    SHA1

    128b5625c29559cf78caf7cb17dbce55ac6c9cba

    SHA256

    6aae470221ba1879a26af8172df018f07eafa1f26857a8b33092b7da5582317c

    SHA512

    0466ebc3c8b36c7ebc0857693ea02bf8e6a38d5812aaa3d17b9084d312eb103c745b7e35ee6d473b565a3860e989141228a7071e1bd57f39f46d9fda0f8aa97f

  • \Users\Admin\AppData\Local\Temp\RarSFX0\Injector.exe
    MD5

    b7c6098b0b6e306ef36777b41b559658

    SHA1

    4c3a571b606bc0afecc8b6f3aa08defe3a377634

    SHA256

    bc1b3e71e09eeaf3f325c101ca3804153fa7f8da50b27c288ad5ac357b89a9fb

    SHA512

    512e7f90dc7976935901525264cb085edd4adcb952e2e3732e1f0fc09cae83514e359f45877a6e2299446692a9619f129eb816990007962d2b0c42b88fd43e24

  • \Users\Admin\AppData\Local\Temp\RarSFX0\Injector.exe
    MD5

    b7c6098b0b6e306ef36777b41b559658

    SHA1

    4c3a571b606bc0afecc8b6f3aa08defe3a377634

    SHA256

    bc1b3e71e09eeaf3f325c101ca3804153fa7f8da50b27c288ad5ac357b89a9fb

    SHA512

    512e7f90dc7976935901525264cb085edd4adcb952e2e3732e1f0fc09cae83514e359f45877a6e2299446692a9619f129eb816990007962d2b0c42b88fd43e24

  • \Users\Admin\AppData\Local\Temp\RarSFX0\Injector.exe
    MD5

    b7c6098b0b6e306ef36777b41b559658

    SHA1

    4c3a571b606bc0afecc8b6f3aa08defe3a377634

    SHA256

    bc1b3e71e09eeaf3f325c101ca3804153fa7f8da50b27c288ad5ac357b89a9fb

    SHA512

    512e7f90dc7976935901525264cb085edd4adcb952e2e3732e1f0fc09cae83514e359f45877a6e2299446692a9619f129eb816990007962d2b0c42b88fd43e24

  • \Users\Admin\AppData\Local\Temp\RarSFX0\Injector.exe
    MD5

    b7c6098b0b6e306ef36777b41b559658

    SHA1

    4c3a571b606bc0afecc8b6f3aa08defe3a377634

    SHA256

    bc1b3e71e09eeaf3f325c101ca3804153fa7f8da50b27c288ad5ac357b89a9fb

    SHA512

    512e7f90dc7976935901525264cb085edd4adcb952e2e3732e1f0fc09cae83514e359f45877a6e2299446692a9619f129eb816990007962d2b0c42b88fd43e24

  • \Users\Admin\AppData\Local\Temp\RarSFX1\Svc_host.exe
    MD5

    f8afe900757786eee3e00a0c501dfee0

    SHA1

    493645aa60156dbf756f7986b457944dc7676b29

    SHA256

    b30b32e3308bc4576c2e1a5fa56e4684a7b60d8fecf5cb75c8e0518ec1f901ea

    SHA512

    eb0fdf63d5165a57206ba91f19eca6f7abb5b01724a9029abd3c6506d7482814e6a9a8321cf18ea5b919462d94a4fad61eaa0f3594edb1ebd246a9382e44e172

  • \Users\Admin\AppData\Local\Temp\RarSFX1\Svc_host.exe
    MD5

    f8afe900757786eee3e00a0c501dfee0

    SHA1

    493645aa60156dbf756f7986b457944dc7676b29

    SHA256

    b30b32e3308bc4576c2e1a5fa56e4684a7b60d8fecf5cb75c8e0518ec1f901ea

    SHA512

    eb0fdf63d5165a57206ba91f19eca6f7abb5b01724a9029abd3c6506d7482814e6a9a8321cf18ea5b919462d94a4fad61eaa0f3594edb1ebd246a9382e44e172

  • \Users\Admin\AppData\Local\Temp\RarSFX1\Svc_host.exe
    MD5

    f8afe900757786eee3e00a0c501dfee0

    SHA1

    493645aa60156dbf756f7986b457944dc7676b29

    SHA256

    b30b32e3308bc4576c2e1a5fa56e4684a7b60d8fecf5cb75c8e0518ec1f901ea

    SHA512

    eb0fdf63d5165a57206ba91f19eca6f7abb5b01724a9029abd3c6506d7482814e6a9a8321cf18ea5b919462d94a4fad61eaa0f3594edb1ebd246a9382e44e172

  • \Users\Admin\AppData\Local\Temp\RarSFX1\Svc_host.exe
    MD5

    f8afe900757786eee3e00a0c501dfee0

    SHA1

    493645aa60156dbf756f7986b457944dc7676b29

    SHA256

    b30b32e3308bc4576c2e1a5fa56e4684a7b60d8fecf5cb75c8e0518ec1f901ea

    SHA512

    eb0fdf63d5165a57206ba91f19eca6f7abb5b01724a9029abd3c6506d7482814e6a9a8321cf18ea5b919462d94a4fad61eaa0f3594edb1ebd246a9382e44e172

  • \Users\Admin\AppData\Local\Temp\sbvc.exe
    MD5

    2f49215b1984212fe4465288bda6a8a6

    SHA1

    128b5625c29559cf78caf7cb17dbce55ac6c9cba

    SHA256

    6aae470221ba1879a26af8172df018f07eafa1f26857a8b33092b7da5582317c

    SHA512

    0466ebc3c8b36c7ebc0857693ea02bf8e6a38d5812aaa3d17b9084d312eb103c745b7e35ee6d473b565a3860e989141228a7071e1bd57f39f46d9fda0f8aa97f

  • memory/468-64-0x0000000000000000-mapping.dmp
  • memory/468-71-0x0000000002010000-0x0000000002011000-memory.dmp
    Filesize

    4KB

  • memory/468-67-0x0000000000220000-0x0000000000221000-memory.dmp
    Filesize

    4KB

  • memory/1020-95-0x00000000055F0000-0x00000000055F1000-memory.dmp
    Filesize

    4KB

  • memory/1020-76-0x0000000002620000-0x0000000002621000-memory.dmp
    Filesize

    4KB

  • memory/1020-109-0x0000000006320000-0x0000000006321000-memory.dmp
    Filesize

    4KB

  • memory/1020-110-0x0000000006330000-0x0000000006331000-memory.dmp
    Filesize

    4KB

  • memory/1020-94-0x000000007EF30000-0x000000007EF31000-memory.dmp
    Filesize

    4KB

  • memory/1020-69-0x0000000000000000-mapping.dmp
  • memory/1020-93-0x00000000062A0000-0x00000000062A1000-memory.dmp
    Filesize

    4KB

  • memory/1020-86-0x00000000057B0000-0x00000000057B1000-memory.dmp
    Filesize

    4KB

  • memory/1020-85-0x0000000005730000-0x0000000005731000-memory.dmp
    Filesize

    4KB

  • memory/1020-80-0x0000000005630000-0x0000000005631000-memory.dmp
    Filesize

    4KB

  • memory/1020-77-0x0000000004770000-0x0000000004771000-memory.dmp
    Filesize

    4KB

  • memory/1020-72-0x0000000000480000-0x0000000000481000-memory.dmp
    Filesize

    4KB

  • memory/1020-73-0x00000000049E0000-0x00000000049E1000-memory.dmp
    Filesize

    4KB

  • memory/1020-75-0x00000000049A2000-0x00000000049A3000-memory.dmp
    Filesize

    4KB

  • memory/1020-74-0x00000000049A0000-0x00000000049A1000-memory.dmp
    Filesize

    4KB

  • memory/1504-112-0x0000000000000000-mapping.dmp
  • memory/1876-124-0x0000000001170000-0x0000000001171000-memory.dmp
    Filesize

    4KB

  • memory/1876-120-0x0000000000000000-mapping.dmp
  • memory/1876-126-0x0000000000B80000-0x0000000000B82000-memory.dmp
    Filesize

    8KB

  • memory/1876-127-0x0000000000150000-0x0000000000151000-memory.dmp
    Filesize

    4KB

  • memory/1876-129-0x000000001B000000-0x000000001B001000-memory.dmp
    Filesize

    4KB

  • memory/1876-131-0x0000000000CF0000-0x0000000000CF1000-memory.dmp
    Filesize

    4KB

  • memory/1984-59-0x0000000075AD1000-0x0000000075AD3000-memory.dmp
    Filesize

    8KB