4e88571ea7b27479b7380546145375462b9839b7c1d595697be06ec04ee9d13f | Triage

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Overview

overview

Static

static

8

4e88571ea7...3f.exe

windows7-x64

4e88571ea7...3f.exe

windows10-2004-x64

Sharing

General

Target

4e88571ea7b27479b7380546145375462b9839b7c1d595697be06ec04ee9d13f
Size

255KB
Sample

221124-fylacaed71
MD5

cebc22f552c64fe39370be9ce5c100be
SHA1

12a65f6fb09bbcc5782f12c7974b09350438cc25
SHA256

4e88571ea7b27479b7380546145375462b9839b7c1d595697be06ec04ee9d13f
SHA512

f60f0a1bc2188658a82ce4af01a638af940305d39a961ad346cbc3ed7977db6e2ce4b4185784a43c2c17fcf623d98b060a6653a8cab0f58408556b5b17f02673
SSDEEP

3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJm:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIl

Score

10^/10

evasion persistence trojan upx

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

4e88571ea7b27479b7380546145375462b9839b7c1d595697be06ec04ee9d13f.exe

Resource

win7-20221111-en

evasion persistence trojan upx

windows7-x64

24 signatures

150 seconds

Behavioral task

behavioral2

Sample

4e88571ea7b27479b7380546145375462b9839b7c1d595697be06ec04ee9d13f.exe

Resource

win10v2004-20221111-en

evasion persistence trojan upx

windows10-2004-x64

25 signatures

150 seconds

Malware Config

Targets

- Target
  
  4e88571ea7b27479b7380546145375462b9839b7c1d595697be06ec04ee9d13f
- Size
  
  255KB
- MD5
  
  cebc22f552c64fe39370be9ce5c100be
- SHA1
  
  12a65f6fb09bbcc5782f12c7974b09350438cc25
- SHA256
  
  4e88571ea7b27479b7380546145375462b9839b7c1d595697be06ec04ee9d13f
- SHA512
  
  f60f0a1bc2188658a82ce4af01a638af940305d39a961ad346cbc3ed7977db6e2ce4b4185784a43c2c17fcf623d98b060a6653a8cab0f58408556b5b17f02673
- SSDEEP
  
  3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJm:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIl
Score

10^/10

evasion persistence trojan upx
- Modifies visibility of file extensions in Explorer
  evasion
- Modifies visiblity of hidden/system files in Explorer
  evasion
- Windows security bypass
  evasion trojan
- Disables RegEdit via registry modification
  evasion
- Executes dropped EXE
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Windows security modification
  evasion trojan
- Adds Run key to start application
  persistence
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Modifies WinLogon
  persistence
- 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

Disabling Security Tools

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

evasionpersistencetrojanupx

behavioral2

evasionpersistencetrojanupx

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