a33ef4cd65dea8e95fd8644048ba598c69b0527a26354d18806b67161193f4f3 | Triage

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Overview

overview

Static

static

8

a33ef4cd65...f3.exe

windows7-x64

a33ef4cd65...f3.exe

windows10-2004-x64

Sharing

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General

Target

a33ef4cd65dea8e95fd8644048ba598c69b0527a26354d18806b67161193f4f3
Size

653KB
Sample

221123-1eq2psfa95
MD5

a8c7d61c20b9ba892c3dc22d03564ae0
SHA1

4b13d22b56c551ee39728b002aebd795ddba15bb
SHA256

a33ef4cd65dea8e95fd8644048ba598c69b0527a26354d18806b67161193f4f3
SHA512

67ea10021a63edd2160de7bf8184faf8b20f84d127784a6e5461b23f32261c20393da59efaa8a969b817ba036fd67b1c1989099b676cf6790a9cbf777f17217d
SSDEEP

12288:gOJHeZJys73dOvXDpNjNe8SLvrPOJHeZJys73dOvXDpNjNe8SLvrj:vHeZJ8NI8SLD+HeZJ8NI8SLDj

Score

10^/10

evasion persistence upx

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

a33ef4cd65dea8e95fd8644048ba598c69b0527a26354d18806b67161193f4f3.exe

Resource

win7-20220901-en

evasion persistence upx

windows7-x64

17 signatures

150 seconds

Behavioral task

behavioral2

Sample

a33ef4cd65dea8e95fd8644048ba598c69b0527a26354d18806b67161193f4f3.exe

Resource

win10v2004-20221111-en

evasion persistence upx

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  a33ef4cd65dea8e95fd8644048ba598c69b0527a26354d18806b67161193f4f3
- Size
  
  653KB
- MD5
  
  a8c7d61c20b9ba892c3dc22d03564ae0
- SHA1
  
  4b13d22b56c551ee39728b002aebd795ddba15bb
- SHA256
  
  a33ef4cd65dea8e95fd8644048ba598c69b0527a26354d18806b67161193f4f3
- SHA512
  
  67ea10021a63edd2160de7bf8184faf8b20f84d127784a6e5461b23f32261c20393da59efaa8a969b817ba036fd67b1c1989099b676cf6790a9cbf777f17217d
- SSDEEP
  
  12288:gOJHeZJys73dOvXDpNjNe8SLvrPOJHeZJys73dOvXDpNjNe8SLvrj:vHeZJ8NI8SLD+HeZJ8NI8SLDj
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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