Overview

overview

10

Static

static

1edf2704fc...47.exe

windows7_x64

10

1edf2704fc...47.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11-05-2021 12:46

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General

  • Target

    1edf2704fcf6ca4b13ba4b06a5b2ece770a9465391e527d9bc08689ccf1b8e47.exe

  • Size

    1019KB

  • MD5

    d80731db1bbef88fef86ecdb8ed74dc3

  • SHA1

    e439a112d2cb675dc2989a5962f25a7eb4e53dd5

  • SHA256

    1edf2704fcf6ca4b13ba4b06a5b2ece770a9465391e527d9bc08689ccf1b8e47

  • SHA512

    668ea73ee65a79f8a429fe70e51524c3d7499be4eca08626e22766384034b71eb2219936c72360caa96569ec5d9dafa511534a93a26b37b2ff920199116b0323

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 7 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 FindShellTrayWindow 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1edf2704fcf6ca4b13ba4b06a5b2ece770a9465391e527d9bc08689ccf1b8e47.exe
    "C:\Users\Admin\AppData\Local\Temp\1edf2704fcf6ca4b13ba4b06a5b2ece770a9465391e527d9bc08689ccf1b8e47.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\Users\Admin\cmgwUEow\dKscscsc.exe
      "C:\Users\Admin\cmgwUEow\dKscscsc.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:3036
    • C:\ProgramData\jmUYkwsw\OCoEQUcc.exe
      "C:\ProgramData\jmUYkwsw\OCoEQUcc.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:3524
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\setup.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3140
      • C:\Users\Admin\AppData\Local\Temp\setup.exe
        C:\Users\Admin\AppData\Local\Temp\setup.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2328
    • 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:2444
    • 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:1972
    • 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:3840
  • C:\ProgramData\WKIYsgAY\HYYAoskY.exe
    C:\ProgramData\WKIYsgAY\HYYAoskY.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Drops file in System32 directory
    PID:4004

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\WKIYsgAY\HYYAoskY.exe
    MD5

    0a5c49b89fd7091404915ba4db00b113

    SHA1

    8851fd6914cdb9857618491b2893f4f20154becc

    SHA256

    84a4fa384f1e9123c6a87b211905441976e657af22310f78137036d64094c3ae

    SHA512

    8a17a9dc2ad6495c6e6b8ef9833f17cf139d6304bf6d9f987f3860e7e247935781975e4ceeae1c8479fec7be13a2d35589a123d70065b6381652e12b056d08a3

    Download Submit
  • C:\ProgramData\WKIYsgAY\HYYAoskY.exe
    MD5

    0a5c49b89fd7091404915ba4db00b113

    SHA1

    8851fd6914cdb9857618491b2893f4f20154becc

    SHA256

    84a4fa384f1e9123c6a87b211905441976e657af22310f78137036d64094c3ae

    SHA512

    8a17a9dc2ad6495c6e6b8ef9833f17cf139d6304bf6d9f987f3860e7e247935781975e4ceeae1c8479fec7be13a2d35589a123d70065b6381652e12b056d08a3

    Download Submit
  • C:\ProgramData\jmUYkwsw\OCoEQUcc.exe
    MD5

    fad6d3b60dc1f126b867c8c2da6cef71

    SHA1

    f9be6dee3195e8f65e62b629405ba4f83a806dce

    SHA256

    c301da7113dd94950ddd5d5c5c2634077e29d6a0e51c94fdd237b75f48ec3c53

    SHA512

    17c6ad445c43c3d0cc66ea67b0ce7e92fd3c7dd6158c96c1cb50494a8fca3048dfed187f495e17f973b97c774c64bf4ab812b813fdeb2b6144a5fb56c299178d

    Download Submit
  • C:\ProgramData\jmUYkwsw\OCoEQUcc.exe
    MD5

    fad6d3b60dc1f126b867c8c2da6cef71

    SHA1

    f9be6dee3195e8f65e62b629405ba4f83a806dce

    SHA256

    c301da7113dd94950ddd5d5c5c2634077e29d6a0e51c94fdd237b75f48ec3c53

    SHA512

    17c6ad445c43c3d0cc66ea67b0ce7e92fd3c7dd6158c96c1cb50494a8fca3048dfed187f495e17f973b97c774c64bf4ab812b813fdeb2b6144a5fb56c299178d

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

    7c02f4ea3ea05524631db43cef2e0bfb

    SHA1

    f4a33008e5040faaf32ab995a11b91c16e80a46b

    SHA256

    bd38517adb5b8e86ae8543f860bda1284f0ba1c006923fbb582551e7502d908e

    SHA512

    22ba4621f66384005502ddeb117afd6b042368f9a6f537cc16037925104181679f63fe4cd9da0236ee4f741aaf181b95d29af311b762e3e18d75867c794ccec7

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

    7c02f4ea3ea05524631db43cef2e0bfb

    SHA1

    f4a33008e5040faaf32ab995a11b91c16e80a46b

    SHA256

    bd38517adb5b8e86ae8543f860bda1284f0ba1c006923fbb582551e7502d908e

    SHA512

    22ba4621f66384005502ddeb117afd6b042368f9a6f537cc16037925104181679f63fe4cd9da0236ee4f741aaf181b95d29af311b762e3e18d75867c794ccec7

    Download Submit
  • C:\Users\Admin\cmgwUEow\dKscscsc.exe
    MD5

    238d44689875a30cc81593d65bc3c83d

    SHA1

    1e70f8285c73a0b9d0111baa62e0537466b7119e

    SHA256

    9b9a7a86ae87976495a2b3495420651a185a5a9d0bed10d43fc570874fed93e3

    SHA512

    c99a1a8e9a2b294b76f9f8a51f8341c8788e6bc6e850fb8aff407ddf9e8d666f1b0ede4deb865c619d5dbfce5a248aa91bd3fb4235b4503acb27fb06371b817d

    Download Submit
  • C:\Users\Admin\cmgwUEow\dKscscsc.exe
    MD5

    238d44689875a30cc81593d65bc3c83d

    SHA1

    1e70f8285c73a0b9d0111baa62e0537466b7119e

    SHA256

    9b9a7a86ae87976495a2b3495420651a185a5a9d0bed10d43fc570874fed93e3

    SHA512

    c99a1a8e9a2b294b76f9f8a51f8341c8788e6bc6e850fb8aff407ddf9e8d666f1b0ede4deb865c619d5dbfce5a248aa91bd3fb4235b4503acb27fb06371b817d

    Download Submit
  • memory/1972-124-0x0000000000000000-mapping.dmp
    Download
  • memory/2328-126-0x0000000000000000-mapping.dmp
    Download
  • memory/2444-123-0x0000000000000000-mapping.dmp
    Download
  • memory/3036-114-0x0000000000000000-mapping.dmp
    Download
  • memory/3140-122-0x0000000000000000-mapping.dmp
    Download
  • memory/3524-117-0x0000000000000000-mapping.dmp
    Download
  • memory/3840-125-0x0000000000000000-mapping.dmp
    Download