Overview

overview

10

Static

static

7

8123baa476...4d.exe

windows7-x64

8123baa476...4d.exe

windows10-2004-x64

Analysis

  • max time kernel
    10s
  • max time network
    11s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2024 23:26

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Errors

Reason
Machine shutdown
Report Analysis Logs

General

  • Target

    8123baa476516a50e29b32ea0ce7314d.exe

  • Size

    596KB

  • MD5

    8123baa476516a50e29b32ea0ce7314d

  • SHA1

    274bf9fc63b32e1cfa862ed55cbdb5835850c54b

  • SHA256

    ecd76aed11be0a866826e5ef226316ccfa0d6e1f70a154418f51acb75fcb7909

  • SHA512

    3124819c73f7660b5ac71ddee98dca5d7122ad1591454727f57506fe7a80e493e780c12cdb272761ceaf25871d0f7dddc9ccc4defc1735db0eaaa9665cd59968

  • SSDEEP

    12288:Us0efPTb449JQ/rjc15o+t47yr8vWLDmlse7cp3SlEOXoFKl2okeL:T0MPTbT9yT+/foy6K0cdSlEVO2te

Score
10/10
persistenceupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8123baa476516a50e29b32ea0ce7314d.exe
    "C:\Users\Admin\AppData\Local\Temp\8123baa476516a50e29b32ea0ce7314d.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Maps connected drives based on registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:4032
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa39a8055 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:5160

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • memory/4032-0-0x0000000000400000-0x0000000000571000-memory.dmp
    Filesize

    1.4MB

    Download
  • memory/4032-1-0x0000000000780000-0x0000000000781000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4032-4-0x0000000000400000-0x0000000000571000-memory.dmp
    Filesize

    1.4MB

    Download