b1aa81dc67ea279f972011d435cb554646ecfcb057ab3dea4b4d3c473e1fd146 | Triage

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Overview

overview

Static

static

b1aa81dc67...46.exe

windows7-x64

b1aa81dc67...46.exe

windows10-2004-x64

1

Sharing

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General

Target

b1aa81dc67ea279f972011d435cb554646ecfcb057ab3dea4b4d3c473e1fd146
Size

446KB
Sample

221203-pvsppabb44
MD5

54ce135bb0b4997cff5927942b766e4c
SHA1

be767d6d80c23ef9df69ef8e902002149ccb5650
SHA256

b1aa81dc67ea279f972011d435cb554646ecfcb057ab3dea4b4d3c473e1fd146
SHA512

cd4b4dddb83fa9a9b06604f5084040ebe5ba01a67b1aac5db52dfc5f6079d5d78218ba9bfa33313fbb77f84fa1d703d3a6cc7528ea4c5cd4381d50753e8e8910
SSDEEP

12288:kILnNhuBoY8SorxgmA+nlvVl3TT6mCHuln+wxzmsG:PLPatCg7EPVrCOlPxzmsG

Score

10^/10

evasion persistence upx

Static task

static1

Behavioral task

behavioral1

Sample

b1aa81dc67ea279f972011d435cb554646ecfcb057ab3dea4b4d3c473e1fd146.exe

Resource

win7-20221111-en

evasion persistence upx

windows7-x64

11 signatures

150 seconds

Behavioral task

behavioral2

Sample

b1aa81dc67ea279f972011d435cb554646ecfcb057ab3dea4b4d3c473e1fd146.exe

Resource

win10v2004-20221111-en

windows10-2004-x64

0 signatures

150 seconds

Malware Config

Targets

- Target
  
  b1aa81dc67ea279f972011d435cb554646ecfcb057ab3dea4b4d3c473e1fd146
- Size
  
  446KB
- MD5
  
  54ce135bb0b4997cff5927942b766e4c
- SHA1
  
  be767d6d80c23ef9df69ef8e902002149ccb5650
- SHA256
  
  b1aa81dc67ea279f972011d435cb554646ecfcb057ab3dea4b4d3c473e1fd146
- SHA512
  
  cd4b4dddb83fa9a9b06604f5084040ebe5ba01a67b1aac5db52dfc5f6079d5d78218ba9bfa33313fbb77f84fa1d703d3a6cc7528ea4c5cd4381d50753e8e8910
- SSDEEP
  
  12288:kILnNhuBoY8SorxgmA+nlvVl3TT6mCHuln+wxzmsG:PLPatCg7EPVrCOlPxzmsG
Score

10^/10

evasion persistence upx
- Modifies WinLogon for persistence
  persistence
- Modifies visiblity of hidden/system files in Explorer
  evasion
- Adds policy Run key to start application
  persistence
- Executes dropped EXE
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Loads dropped DLL
- AutoIT Executable
  AutoIT scripts compiled to PE executables.
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

evasionpersistenceupx

behavioral2

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