Overview

overview

8

Static

static

cdb783b80c...cd.exe

windows7-x64

8

cdb783b80c...cd.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 15:07

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General

  • Target

    cdb783b80c0a2df75b038b990d5cb30734a5600f645a44a93fce9008e46eb6cd.exe

  • Size

    136KB

  • MD5

    7f06fe8ed1368c414e2c5ca868121bd7

  • SHA1

    375dd9b836940e1467733f4add28fbd091064e50

  • SHA256

    cdb783b80c0a2df75b038b990d5cb30734a5600f645a44a93fce9008e46eb6cd

  • SHA512

    89ebfd624dc92b8b5a6c0f4a8d5ab9285ca7baa2f3367ca9e1bee5856104e4697d1da7c80aab487dd014d5daa6f5978dcc6cf5037976bb139bf19268b69b6f2e

  • SSDEEP

    3072:773svvrRFIrNpR0FyLBhtBB8zTQei1eJebIFK+XGuYOjr+utBD2At0DIZ192CiIJ:nMFBQsK1g7CCiuQhI

Score
8/10
persistencespywarestealer

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • 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 1 IoCs
    persistence
  • Modifies WinLogon 2 TTPs 3 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cdb783b80c0a2df75b038b990d5cb30734a5600f645a44a93fce9008e46eb6cd.exe
    "C:\Users\Admin\AppData\Local\Temp\cdb783b80c0a2df75b038b990d5cb30734a5600f645a44a93fce9008e46eb6cd.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1476
    • C:\Users\Admin\AppData\Local\Temp\System\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\System\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Modifies WinLogon
      • Drops autorun.inf file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:4936

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\System\svchost.exe
    Filesize

    136KB

    MD5

    7f06fe8ed1368c414e2c5ca868121bd7

    SHA1

    375dd9b836940e1467733f4add28fbd091064e50

    SHA256

    cdb783b80c0a2df75b038b990d5cb30734a5600f645a44a93fce9008e46eb6cd

    SHA512

    89ebfd624dc92b8b5a6c0f4a8d5ab9285ca7baa2f3367ca9e1bee5856104e4697d1da7c80aab487dd014d5daa6f5978dcc6cf5037976bb139bf19268b69b6f2e

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\System\svchost.exe
    Filesize

    136KB

    MD5

    7f06fe8ed1368c414e2c5ca868121bd7

    SHA1

    375dd9b836940e1467733f4add28fbd091064e50

    SHA256

    cdb783b80c0a2df75b038b990d5cb30734a5600f645a44a93fce9008e46eb6cd

    SHA512

    89ebfd624dc92b8b5a6c0f4a8d5ab9285ca7baa2f3367ca9e1bee5856104e4697d1da7c80aab487dd014d5daa6f5978dcc6cf5037976bb139bf19268b69b6f2e

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\spreadpunisher.txt
    Filesize

    2B

    MD5

    bafd7322c6e97d25b6299b5d6fe8920b

    SHA1

    816c52fd2bdd94a63cd0944823a6c0aa9384c103

    SHA256

    1ea442a134b2a184bd5d40104401f2a37fbc09ccf3f4bc9da161c6099be3691d

    SHA512

    a145800e53a326d880f4b513436e54a0ab41efc8fdd4f038c0edae948e5ae08d2a7077d5bb648415078dda2571fe92c4d6fa2130a80f53d9dd329e7040729e81

    Download Submit
  • memory/1476-132-0x00007FFA432D0000-0x00007FFA43D06000-memory.dmp
    Filesize

    10.2MB

    Download
  • memory/4936-133-0x0000000000000000-mapping.dmp
    Download
  • memory/4936-136-0x00007FFA432D0000-0x00007FFA43D06000-memory.dmp
    Filesize

    10.2MB

    Download