Overview

overview

7

Static

static

1

ba1b86fe27...2f.exe

windows7-x64

7

ba1b86fe27...2f.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    135s
  • max time network
    72s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2023 10:52

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General

  • Target

    ba1b86fe275d189154a5d568fb46c9207a9341e9d7563987675218c3f1722f2f.exe

  • Size

    26.0MB

  • MD5

    2486887816468c2c696e55b1521f508d

  • SHA1

    afd6acdbd11804ae034081dae7262b52f1831d07

  • SHA256

    ba1b86fe275d189154a5d568fb46c9207a9341e9d7563987675218c3f1722f2f

  • SHA512

    75210bf4067c0ca4abe6d44e73d4814f12c58ec675026fe25855e995b6a0d70f16bace485d6d1da7744354531bce9a0ae299e270cc163140aeea3c2536725485

  • SSDEEP

    786432:OjRaLwqLOUJhZNDRLPjqLBeYPWEiR4mEAnG4f3q:OjRakONLPmLMu7a/EA9i

Score
7/10
bootkitpersistence

Malware Config

Signatures

  • Loads dropped DLL 12 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • 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.

    bootkitpersistence
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba1b86fe275d189154a5d568fb46c9207a9341e9d7563987675218c3f1722f2f.exe
    "C:\Users\Admin\AppData\Local\Temp\ba1b86fe275d189154a5d568fb46c9207a9341e9d7563987675218c3f1722f2f.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Windows\SysWOW64\TASKKILL.exe
      "TASKKILL " /F /IM TurboVPN.exe /T
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1144

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nst2500.tmp\InstallOptions.dll
    Filesize

    15KB

    MD5

    09d8971beefefffd710030dd167a99e0

    SHA1

    a0117786ad77213f3eb48cfdc3819786cb796b7d

    SHA256

    caf64a4e9449220ba618a9aa2ae4ed3774c5d0f193bda44be22676c27ae0ec95

    SHA512

    3956f0c6bcdf033e4a10ab33872a66e0668da28ec31cb7a2c67ef7266d7c0845998a2a85a6cc25aba1df73909df8104119cf5f1f86c1e91f8fd201765aea49f0

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\nst2500.tmp\ioSpecial.ini
    Filesize

    1KB

    MD5

    e2d9e524911986bc4ad3d1970c716c1c

    SHA1

    dd6f126ae03f7fa94801530fa9f2fa9d4da2da47

    SHA256

    a390ffc2f22f9c425ea24ec7dad33b813916c761b2bc63aae685ef1a75afd3a7

    SHA512

    77f7eee8f845df0152b7243fd8bc3f6524992b0de1feb2f685ec9a9d1706aa36ed259d14811e73b955462dc54f946565c5483139582b36f1f70bea208fdc45d8

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\nst2500.tmp\myinternet.dll
    Filesize

    1.2MB

    MD5

    b29b3e3874823b17c11ee5dfca740c72

    SHA1

    1e104c9a9bbae8437127ed8ff691c2d33047e4c2

    SHA256

    2b90122ac9259751de7e257e61292966d649a021ba91769e7496a38cafec5f47

    SHA512

    07ed39976dc7e0b8e3d4a6370ec731901caa6ed7e06709ea80d3eb27b92a1103c7bdec03e4c89873bbd8f2339ab88425fe46aaa05b20cce6780f603654cf48fe

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\nst2500.tmp\nsProcess.dll
    Filesize

    4KB

    MD5

    f0438a894f3a7e01a4aae8d1b5dd0289

    SHA1

    b058e3fcfb7b550041da16bf10d8837024c38bf6

    SHA256

    30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

    SHA512

    f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

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  • \Users\Admin\AppData\Local\Temp\nst2500.tmp\FindProcDLL.dll
    Filesize

    27KB

    MD5

    6f73b00aef6c49eac62128ef3eca677e

    SHA1

    1b6aff67d570e5ee61af2376247590eb49b728a1

    SHA256

    6eb09ce25c7fc62e44dc2f71761c6d60dd4b2d0c7d15e9651980525103aac0a9

    SHA512

    678fc4bf7d345eeb99a3420ec7d0071eaba302845e93b48527d9a2a9c406709cc44ec74d6a889e25a8351a463803f8713a833df3a1707a5ad50db05240a32938

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  • \Users\Admin\AppData\Local\Temp\nst2500.tmp\InstallOptions.dll
    Filesize

    15KB

    MD5

    09d8971beefefffd710030dd167a99e0

    SHA1

    a0117786ad77213f3eb48cfdc3819786cb796b7d

    SHA256

    caf64a4e9449220ba618a9aa2ae4ed3774c5d0f193bda44be22676c27ae0ec95

    SHA512

    3956f0c6bcdf033e4a10ab33872a66e0668da28ec31cb7a2c67ef7266d7c0845998a2a85a6cc25aba1df73909df8104119cf5f1f86c1e91f8fd201765aea49f0

    Download Submit
  • \Users\Admin\AppData\Local\Temp\nst2500.tmp\InstallOptions.dll
    Filesize

    15KB

    MD5

    09d8971beefefffd710030dd167a99e0

    SHA1

    a0117786ad77213f3eb48cfdc3819786cb796b7d

    SHA256

    caf64a4e9449220ba618a9aa2ae4ed3774c5d0f193bda44be22676c27ae0ec95

    SHA512

    3956f0c6bcdf033e4a10ab33872a66e0668da28ec31cb7a2c67ef7266d7c0845998a2a85a6cc25aba1df73909df8104119cf5f1f86c1e91f8fd201765aea49f0

    Download Submit
  • \Users\Admin\AppData\Local\Temp\nst2500.tmp\myinternet.dll
    Filesize

    1.2MB

    MD5

    b29b3e3874823b17c11ee5dfca740c72

    SHA1

    1e104c9a9bbae8437127ed8ff691c2d33047e4c2

    SHA256

    2b90122ac9259751de7e257e61292966d649a021ba91769e7496a38cafec5f47

    SHA512

    07ed39976dc7e0b8e3d4a6370ec731901caa6ed7e06709ea80d3eb27b92a1103c7bdec03e4c89873bbd8f2339ab88425fe46aaa05b20cce6780f603654cf48fe

    Download Submit
  • \Users\Admin\AppData\Local\Temp\nst2500.tmp\nsExec.dll
    Filesize

    7KB

    MD5

    f27689c513e7d12c7c974d5f8ef710d6

    SHA1

    e305f2a2898d765a64c82c449dfb528665b4a892

    SHA256

    1f18f4126124b0551f3dbcd0fec7f34026f930ca509f04435657cedc32ae8c47

    SHA512

    734e9f3989ee47a86bee16838df7a09353c7fe085a09d77e70d281b21c5477b0b061616e72e8ac8fcb3dda1df0d5152f54dcc4c5a77f90fbf0f857557bf02fbc

    Download Submit
  • \Users\Admin\AppData\Local\Temp\nst2500.tmp\nsProcess.dll
    Filesize

    4KB

    MD5

    f0438a894f3a7e01a4aae8d1b5dd0289

    SHA1

    b058e3fcfb7b550041da16bf10d8837024c38bf6

    SHA256

    30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

    SHA512

    f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

    Download Submit
  • \Users\Admin\AppData\Local\Temp\nst2500.tmp\nsProcess.dll
    Filesize

    4KB

    MD5

    f0438a894f3a7e01a4aae8d1b5dd0289

    SHA1

    b058e3fcfb7b550041da16bf10d8837024c38bf6

    SHA256

    30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

    SHA512

    f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

    Download Submit
  • \Users\Admin\AppData\Local\Temp\nst2500.tmp\nsProcess.dll
    Filesize

    4KB

    MD5

    f0438a894f3a7e01a4aae8d1b5dd0289

    SHA1

    b058e3fcfb7b550041da16bf10d8837024c38bf6

    SHA256

    30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

    SHA512

    f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

    Download Submit
  • \Users\Admin\AppData\Local\Temp\nst2500.tmp\nsProcess.dll
    Filesize

    4KB

    MD5

    f0438a894f3a7e01a4aae8d1b5dd0289

    SHA1

    b058e3fcfb7b550041da16bf10d8837024c38bf6

    SHA256

    30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

    SHA512

    f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

    Download Submit
  • \Users\Admin\AppData\Local\Temp\nst2500.tmp\nsProcess.dll
    Filesize

    4KB

    MD5

    f0438a894f3a7e01a4aae8d1b5dd0289

    SHA1

    b058e3fcfb7b550041da16bf10d8837024c38bf6

    SHA256

    30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

    SHA512

    f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

    Download Submit
  • \Users\Admin\AppData\Local\Temp\nst2500.tmp\nsProcess.dll
    Filesize

    4KB

    MD5

    f0438a894f3a7e01a4aae8d1b5dd0289

    SHA1

    b058e3fcfb7b550041da16bf10d8837024c38bf6

    SHA256

    30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

    SHA512

    f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

    Download Submit
  • \Users\Admin\AppData\Local\Temp\nst2500.tmp\nsProcess.dll
    Filesize

    4KB

    MD5

    f0438a894f3a7e01a4aae8d1b5dd0289

    SHA1

    b058e3fcfb7b550041da16bf10d8837024c38bf6

    SHA256

    30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

    SHA512

    f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

    Download Submit