3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a | Triage

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Overview

overview

Static

static

8

3a74af55df...8a.exe

windows7-x64

3a74af55df...8a.exe

windows10-2004-x64

Sharing

General

Target

3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a
Size

409KB
Sample

221204-c36kasaa39
MD5

02375f5c850502949e243353b0dc5730
SHA1

77d78a470fab619522655193f575483a5560d2c5
SHA256

3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a
SHA512

deff16af9360f2652cdbb510510efa951afbaa9d9a1997f2d980bb5d2af1f6fa9eb9fff87c2755f8bbe6c6c10b10368a17dd48b07d72d87c92f5648685287bf2
SSDEEP

3072:TdVd2Hayox1aMOpNRZ00BdVd2Hayox1aMOpNRZ0cBdVd2Hayox1aMOpNRZ00BdVv:5uHO6uHOiuHO6uHOinmy+g4H

Score

10^/10

evasion persistence upx

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe

Resource

win7-20220812-en

evasion persistence upx

windows7-x64

17 signatures

150 seconds

Behavioral task

behavioral2

Sample

3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe

Resource

win10v2004-20221111-en

evasion persistence upx

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a
- Size
  
  409KB
- MD5
  
  02375f5c850502949e243353b0dc5730
- SHA1
  
  77d78a470fab619522655193f575483a5560d2c5
- SHA256
  
  3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a
- SHA512
  
  deff16af9360f2652cdbb510510efa951afbaa9d9a1997f2d980bb5d2af1f6fa9eb9fff87c2755f8bbe6c6c10b10368a17dd48b07d72d87c92f5648685287bf2
- SSDEEP
  
  3072:TdVd2Hayox1aMOpNRZ00BdVd2Hayox1aMOpNRZ0cBdVd2Hayox1aMOpNRZ00BdVv:5uHO6uHOiuHO6uHOinmy+g4H
Score

10^/10

evasion persistence upx
- Modifies visibility of file extensions in Explorer
  evasion
- Blocks application from running via registry modification
  Adds application to list of disallowed applications.
  evasion
- Executes dropped EXE
- Sets file execution options in registry
  persistence
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Loads dropped DLL
- Drops autorun.inf file
  Malware can abuse Windows Autorun to spread further via attached volumes.
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

Execution

Persistence

Hidden Files and Directories

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Lateral Movement

Replication Through Removable Media

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

evasionpersistenceupx

behavioral2

evasionpersistenceupx

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