307880d89ee0ad398bf0d8b14bc38e7cc126355676d07e11732b65991cd618b9 | Triage

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Overview

overview

Static

static

307880d89e...b9.exe

windows7-x64

307880d89e...b9.exe

windows10-2004-x64

Sharing

General

Target

307880d89ee0ad398bf0d8b14bc38e7cc126355676d07e11732b65991cd618b9
Size

91KB
Sample

240511-ywrnfshh77
MD5

67668d89308cfcb80f6bce31c541c88c
SHA1

efb98ecf5b67d31f75a61d7452417ef957dc768f
SHA256

307880d89ee0ad398bf0d8b14bc38e7cc126355676d07e11732b65991cd618b9
SHA512

0512fad781c7c4dd0016bac16ca197e9543d16e6a647c228d7232e09c06aa9f15617070e6f74b5ff832bd53cfcc6a8d00ad7decd063bedc1919c0f27d2295e81
SSDEEP

1536:kRsjd3GR2Dxy387Lnouy8VTeRsjd3GR2Dxy387Lnouy8VTY:kOgUXoutNeOgUXoutNY

Score

10^/10

evasion persistence upx

Static task

static1

3 signatures

Behavioral task

behavioral1

Sample

307880d89ee0ad398bf0d8b14bc38e7cc126355676d07e11732b65991cd618b9.exe

Resource

win7-20240220-en

evasion persistence upx

windows7-x64

20 signatures

150 seconds

Behavioral task

behavioral2

Sample

307880d89ee0ad398bf0d8b14bc38e7cc126355676d07e11732b65991cd618b9.exe

Resource

win10v2004-20240426-en

evasion persistence upx

windows10-2004-x64

18 signatures

150 seconds

Malware Config

Targets

- Target
  
  307880d89ee0ad398bf0d8b14bc38e7cc126355676d07e11732b65991cd618b9
- Size
  
  91KB
- MD5
  
  67668d89308cfcb80f6bce31c541c88c
- SHA1
  
  efb98ecf5b67d31f75a61d7452417ef957dc768f
- SHA256
  
  307880d89ee0ad398bf0d8b14bc38e7cc126355676d07e11732b65991cd618b9
- SHA512
  
  0512fad781c7c4dd0016bac16ca197e9543d16e6a647c228d7232e09c06aa9f15617070e6f74b5ff832bd53cfcc6a8d00ad7decd063bedc1919c0f27d2295e81
- SSDEEP
  
  1536:kRsjd3GR2Dxy387Lnouy8VTeRsjd3GR2Dxy387Lnouy8VTY:kOgUXoutNeOgUXoutNY
Score

10^/10

evasion persistence upx
- Modifies WinLogon for persistence
  persistence
- Modifies visibility of file extensions in Explorer
  evasion
- Modifies visiblity of hidden/system files in Explorer
  evasion
- UPX dump on OEP (original entry point)
- Disables RegEdit via registry modification
  evasion
- Disables use of System Restore points
  evasion
- Executes dropped EXE
- Loads dropped DLL
- Modifies system executable filetype association
  persistence
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Adds Run key to start application
  persistence
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Event Triggered Execution

Change Default File Association

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Event Triggered Execution

Change Default File Association

Defense Evasion

Hide Artifacts

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

Tasks

static1

behavioral1

evasionpersistenceupx

behavioral2

evasionpersistenceupx

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