Overview

overview

10

Static

static

dd5ea9e9_b...is.exe

windows7_x64

10

dd5ea9e9_b...is.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    05-05-2021 11:08

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General

  • Target

    dd5ea9e9_by_Libranalysis.exe

  • Size

    680KB

  • MD5

    dd5ea9e96c9c000379ff5ce132dcc754

  • SHA1

    22fc09ab3506dd5e2ec0688c80763c0bb81ff3ab

  • SHA256

    147587e77bfd38e2818c96628981744e716aa058dfe6a1ace8e1a1c5cee421be

  • SHA512

    08c298e72b3915920f0f9a7cdb848d6721a001c6f3fdd2f0b2f5b8df0493da53dc936d97882a6ec42b013d7f09f0b2e6bded52d2d0a7425a43260ff8c899a537

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 FindShellTrayWindow 64 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dd5ea9e9_by_Libranalysis.exe
    "C:\Users\Admin\AppData\Local\Temp\dd5ea9e9_by_Libranalysis.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\LWQEkggA\qosUMsAc.exe
      "C:\Users\Admin\LWQEkggA\qosUMsAc.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:3080
    • C:\ProgramData\IkoMoYQM\twoEkocI.exe
      "C:\ProgramData\IkoMoYQM\twoEkocI.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:2708
    • 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:2464
      • C:\Users\Admin\AppData\Local\Temp\setup.exe
        C:\Users\Admin\AppData\Local\Temp\setup.exe
        3⤵
        • Executes dropped EXE
        PID:2796
    • 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:3556
    • 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:2776
  • C:\ProgramData\DEsAcUgY\nAsockUY.exe
    C:\ProgramData\DEsAcUgY\nAsockUY.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Drops file in System32 directory
    PID:4012

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\DEsAcUgY\nAsockUY.exe
    MD5

    ba86553a4af448db0cb0c1dcaffccc5f

    SHA1

    52cab35a1ffeb137078f1e2128b7cea4836358c4

    SHA256

    e7f19187e01037beeca1d33b7e77cd30902903a6ad27ba3bd56ff2a07ecfb2cf

    SHA512

    dfa47a18f4f9c64e146c566818d6ca642b3dbc7d9663e5ed0e03258db75d79c704c09c319d74f930eb2b30b8d9e020a04c7f44e09eb9fb16635a15f0d624e22f

    Download Submit
  • C:\ProgramData\DEsAcUgY\nAsockUY.exe
    MD5

    ba86553a4af448db0cb0c1dcaffccc5f

    SHA1

    52cab35a1ffeb137078f1e2128b7cea4836358c4

    SHA256

    e7f19187e01037beeca1d33b7e77cd30902903a6ad27ba3bd56ff2a07ecfb2cf

    SHA512

    dfa47a18f4f9c64e146c566818d6ca642b3dbc7d9663e5ed0e03258db75d79c704c09c319d74f930eb2b30b8d9e020a04c7f44e09eb9fb16635a15f0d624e22f

    Download Submit
  • C:\ProgramData\IkoMoYQM\twoEkocI.exe
    MD5

    662e66cb1617ea20760af008580af6df

    SHA1

    3944aaacef544a9428744e28d201e1cc3990be62

    SHA256

    c7cfb18a366fcbaf3ec5939387705aa5fbd2ce2e34233bb9d8d71937ea9f2eca

    SHA512

    53f40d853917d8f20b13f28391d1f0e928b80cfbf832d9313ac1b14837431017e6323725b21cf7e6e0ce5986cfd38792bdaad67c3a8378f3f36d53a50e783099

    Download Submit
  • C:\ProgramData\IkoMoYQM\twoEkocI.exe
    MD5

    662e66cb1617ea20760af008580af6df

    SHA1

    3944aaacef544a9428744e28d201e1cc3990be62

    SHA256

    c7cfb18a366fcbaf3ec5939387705aa5fbd2ce2e34233bb9d8d71937ea9f2eca

    SHA512

    53f40d853917d8f20b13f28391d1f0e928b80cfbf832d9313ac1b14837431017e6323725b21cf7e6e0ce5986cfd38792bdaad67c3a8378f3f36d53a50e783099

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

    25f9dd08ee87842b0aa86c612e86b414

    SHA1

    406d0d70ea72db3476740e39eaa4e0b3e3ea1ad8

    SHA256

    35fb21a9f04f0caffc96914a5961d318e78b8500e0611a1d110932df7d61c834

    SHA512

    dbd6fd8484d90848580aec84aeb9c7942bf1963b413849d5d178b511fd0e54b6d0b4e963d515fc98590de2d9d3e9aafca146cf39d554fd53af756aff8a64a4d5

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

    25f9dd08ee87842b0aa86c612e86b414

    SHA1

    406d0d70ea72db3476740e39eaa4e0b3e3ea1ad8

    SHA256

    35fb21a9f04f0caffc96914a5961d318e78b8500e0611a1d110932df7d61c834

    SHA512

    dbd6fd8484d90848580aec84aeb9c7942bf1963b413849d5d178b511fd0e54b6d0b4e963d515fc98590de2d9d3e9aafca146cf39d554fd53af756aff8a64a4d5

    Download Submit
  • C:\Users\Admin\LWQEkggA\qosUMsAc.exe
    MD5

    520244c059c583c403c19a49b62ded1a

    SHA1

    ea3d59bfa76bbf2cd952889fc4bf40b9cf6a741a

    SHA256

    3c0bf06213eb5b07b40bb2c6db2d8e629f417b22dd569adf4387d046fbb4b4e0

    SHA512

    7244ec881ad7c6120223211911bf90bed427d7d4f960bfeae06a8fc364bfcd2dcb425a898ce54af77d83422aeaec4fc7fc8c3d53dfc78f1a4105981866dac984

    Download Submit
  • C:\Users\Admin\LWQEkggA\qosUMsAc.exe
    MD5

    520244c059c583c403c19a49b62ded1a

    SHA1

    ea3d59bfa76bbf2cd952889fc4bf40b9cf6a741a

    SHA256

    3c0bf06213eb5b07b40bb2c6db2d8e629f417b22dd569adf4387d046fbb4b4e0

    SHA512

    7244ec881ad7c6120223211911bf90bed427d7d4f960bfeae06a8fc364bfcd2dcb425a898ce54af77d83422aeaec4fc7fc8c3d53dfc78f1a4105981866dac984

    Download Submit
  • memory/1780-125-0x0000000000000000-mapping.dmp
    Download
  • memory/2464-122-0x0000000000000000-mapping.dmp
    Download
  • memory/2708-117-0x0000000000000000-mapping.dmp
    Download
  • memory/2776-123-0x0000000000000000-mapping.dmp
    Download
  • memory/2796-126-0x0000000000000000-mapping.dmp
    Download
  • memory/3080-114-0x0000000000000000-mapping.dmp
    Download
  • memory/3556-124-0x0000000000000000-mapping.dmp
    Download