Overview

overview

10

Static

static

ebbaf2b63b...52.exe

windows7_x64

10

ebbaf2b63b...52.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11-05-2021 13:46

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General

  • Target

    ebbaf2b63b0578cee52b64718052ac71f38d7c533a4489abb4e1076d140de252.exe

  • Size

    2.1MB

  • MD5

    58b8d6df10fc2e2819250ec641eecd9f

  • SHA1

    7ddd603ec1f95f5208ec20c10988e9ed562e94ea

  • SHA256

    ebbaf2b63b0578cee52b64718052ac71f38d7c533a4489abb4e1076d140de252

  • SHA512

    ef9a8d0fccfff7d75aa6180eda6a09b0ea1accb5d5e99ec3ac2e28151f6d76a25f702003af675b5937e2ec98a4f7d5eb6a921e9bede3b7e8a3fcc459e76d900c

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
    persistence
  • Modifies visibility of file extensions in Explorer 2 TTPs
    evasion
  • UAC bypass 3 TTPs
    evasiontrojan
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 5 IoCs
    persistence
  • Drops file in System32 directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ebbaf2b63b0578cee52b64718052ac71f38d7c533a4489abb4e1076d140de252.exe
    "C:\Users\Admin\AppData\Local\Temp\ebbaf2b63b0578cee52b64718052ac71f38d7c533a4489abb4e1076d140de252.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Users\Admin\HMEsIkIk\uQcMUUEs.exe
      "C:\Users\Admin\HMEsIkIk\uQcMUUEs.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:2220
    • C:\ProgramData\NWEosUkQ\BiIMcAYY.exe
      "C:\ProgramData\NWEosUkQ\BiIMcAYY.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      PID:1480
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\SDKSetup.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2468
      • C:\Users\Admin\AppData\Local\Temp\SDKSetup.exe
        C:\Users\Admin\AppData\Local\Temp\SDKSetup.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2768
    • C:\Windows\SysWOW64\reg.exe
      reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v HideFileExt /t REG_DWORD /d 1
      2⤵
      • Modifies registry key
      PID:2732
    • C:\Windows\SysWOW64\reg.exe
      reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /d 0 /t REG_DWORD /f
      2⤵
      • Modifies registry key
      PID:1780
    • C:\Windows\SysWOW64\reg.exe
      reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /f /v Hidden /t REG_DWORD /d 2
      2⤵
      • Modifies registry key
      PID:528
  • C:\ProgramData\qWsQUUkA\ggQUYQkY.exe
    C:\ProgramData\qWsQUUkA\ggQUYQkY.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Drops file in System32 directory
    PID:1952

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

5
T1112

Hidden Files and Directories

1
T1158

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\ProgramData\NWEosUkQ\BiIMcAYY.exe
    MD5

    b2f1c905267d0455f79f1a516d1158ae

    SHA1

    36b5946e143e3cd09282a1a8f359ec9bea425d00

    SHA256

    f6e4d9678b3813403ee6df7b0a8527f5c27120f271106af1009abef4fc32b0ee

    SHA512

    70a0007b92b0cb23f18278f2dd862204fd1bd11e0e2711866b9ad8613e9422a4e9136c39bbd704e651452eb6e4c37c2568fbc3885d884f20bb4798e4052bb51b

    Download Submit
  • C:\ProgramData\NWEosUkQ\BiIMcAYY.exe
    MD5

    b2f1c905267d0455f79f1a516d1158ae

    SHA1

    36b5946e143e3cd09282a1a8f359ec9bea425d00

    SHA256

    f6e4d9678b3813403ee6df7b0a8527f5c27120f271106af1009abef4fc32b0ee

    SHA512

    70a0007b92b0cb23f18278f2dd862204fd1bd11e0e2711866b9ad8613e9422a4e9136c39bbd704e651452eb6e4c37c2568fbc3885d884f20bb4798e4052bb51b

    Download Submit
  • C:\ProgramData\qWsQUUkA\ggQUYQkY.exe
    MD5

    052e8ce0d1c3a1ed0066c51cb024d7cd

    SHA1

    b55963a7519961659e119f68882066c075ee12f3

    SHA256

    3791155febf0e1b2f2c23b13558de74f674c9934df262cddb593449d6123d3b0

    SHA512

    ff5494b019d9222a60b8938e2c90ce428e00c1a707770fd6db7792b1c85fa3f57c8518e9c22dae9a4392787671b96bc4b77fbd02c246f00e8fe20dc3005ad15e

    Download Submit
  • C:\ProgramData\qWsQUUkA\ggQUYQkY.exe
    MD5

    052e8ce0d1c3a1ed0066c51cb024d7cd

    SHA1

    b55963a7519961659e119f68882066c075ee12f3

    SHA256

    3791155febf0e1b2f2c23b13558de74f674c9934df262cddb593449d6123d3b0

    SHA512

    ff5494b019d9222a60b8938e2c90ce428e00c1a707770fd6db7792b1c85fa3f57c8518e9c22dae9a4392787671b96bc4b77fbd02c246f00e8fe20dc3005ad15e

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\SDKSetup.exe
    MD5

    772e1dc9442497aaa78f4f377d5e289d

    SHA1

    37ad65c7c451ce87e98db4b0b7d1531a730a9134

    SHA256

    5f8fff194eaff9e3da3a334cbc08ec942fe4ec107e575d61f2301ba85b8f3800

    SHA512

    b4912dc967fd355956daa8e231e6bdfcf17238986e2e273ebaf70e3706f1d0ad19cccafedd0aa71cd138df351f2b74147fe868ef326b5dde135d628c0c386b8e

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\SDKSetup.exe
    MD5

    772e1dc9442497aaa78f4f377d5e289d

    SHA1

    37ad65c7c451ce87e98db4b0b7d1531a730a9134

    SHA256

    5f8fff194eaff9e3da3a334cbc08ec942fe4ec107e575d61f2301ba85b8f3800

    SHA512

    b4912dc967fd355956daa8e231e6bdfcf17238986e2e273ebaf70e3706f1d0ad19cccafedd0aa71cd138df351f2b74147fe868ef326b5dde135d628c0c386b8e

    Download Submit
  • C:\Users\Admin\HMEsIkIk\uQcMUUEs.exe
    MD5

    6e5c98b4be5c3a9725d7d633b139595a

    SHA1

    28cea3b3dc392a4581e219ed5f78ed24b91f41bf

    SHA256

    3f2bca8cf20ec3a8db948a63f16372eba579dfa00bd906a40cac9a9f1d20e12e

    SHA512

    16d8c1815783371ab21a51469c4d6535d50bb28aab091e5ba10da08a4f7f519ff084795a4fdbe8a05707c9576114774929812857fa83f444c7c2d264668cfb79

    Download Submit
  • C:\Users\Admin\HMEsIkIk\uQcMUUEs.exe
    MD5

    6e5c98b4be5c3a9725d7d633b139595a

    SHA1

    28cea3b3dc392a4581e219ed5f78ed24b91f41bf

    SHA256

    3f2bca8cf20ec3a8db948a63f16372eba579dfa00bd906a40cac9a9f1d20e12e

    SHA512

    16d8c1815783371ab21a51469c4d6535d50bb28aab091e5ba10da08a4f7f519ff084795a4fdbe8a05707c9576114774929812857fa83f444c7c2d264668cfb79

    Download Submit
  • memory/528-124-0x0000000000000000-mapping.dmp
    Download
  • memory/1480-117-0x0000000000000000-mapping.dmp
    Download
  • memory/1780-128-0x0000000000000000-mapping.dmp
    Download
  • memory/2220-114-0x0000000000000000-mapping.dmp
    Download
  • memory/2468-122-0x0000000000000000-mapping.dmp
    Download
  • memory/2732-123-0x0000000000000000-mapping.dmp
    Download
  • memory/2768-125-0x0000000000000000-mapping.dmp
    Download
  • memory/2768-129-0x00000000023E0000-0x00000000023E2000-memory.dmp
    Filesize

    8KB

    Download