71e172c3073d286be5debcbdd932dc5cdb9567cc2a1371b5d89710cf358b5998 | Triage

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Reports

Overview

overview

9

Static

static

7

71e172c307...8N.exe

windows7-x64

9

71e172c307...8N.exe

windows10-2004-x64

9

Sharing

General

Target

71e172c3073d286be5debcbdd932dc5cdb9567cc2a1371b5d89710cf358b5998N
Size

63KB
Sample

240919-cremfawbkb
MD5

189139b00ae5003feb87560526e4a9b0
SHA1

a2f7b8070e57b30c96cebfa6e42895894a97c54a
SHA256

71e172c3073d286be5debcbdd932dc5cdb9567cc2a1371b5d89710cf358b5998
SHA512

55d2cc68f936f8712b514acfad93ebd018ef2ee5ddecc324e4b34f73043e1ae0575cf9f02ab0af5861887dcd268f8375e311a89152f2df93a0557e4484c8cccc
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9UBT37CPKKdJJ1EXBwzEXBwdcMcI9+:CTW7JJ7TATW7JJ7Tc

Score

9^/10

discovery ransomware upx

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

71e172c3073d286be5debcbdd932dc5cdb9567cc2a1371b5d89710cf358b5998N.exe

Resource

win7-20240903-en

discovery ransomware upx

windows7-x64

8 signatures

150 seconds

Behavioral task

behavioral2

Sample

71e172c3073d286be5debcbdd932dc5cdb9567cc2a1371b5d89710cf358b5998N.exe

Resource

win10v2004-20240910-en

discovery ransomware upx

windows10-2004-x64

7 signatures

150 seconds

Malware Config

Targets

- Target
  
  71e172c3073d286be5debcbdd932dc5cdb9567cc2a1371b5d89710cf358b5998N
- Size
  
  63KB
- MD5
  
  189139b00ae5003feb87560526e4a9b0
- SHA1
  
  a2f7b8070e57b30c96cebfa6e42895894a97c54a
- SHA256
  
  71e172c3073d286be5debcbdd932dc5cdb9567cc2a1371b5d89710cf358b5998
- SHA512
  
  55d2cc68f936f8712b514acfad93ebd018ef2ee5ddecc324e4b34f73043e1ae0575cf9f02ab0af5861887dcd268f8375e311a89152f2df93a0557e4484c8cccc
- SSDEEP
  
  768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9UBT37CPKKdJJ1EXBwzEXBwdcMcI9+:CTW7JJ7TATW7JJ7Tc
Score

9^/10

discovery ransomware upx
- Renames multiple (4053) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Executes dropped EXE
- Loads dropped DLL
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

discoveryransomwareupx

behavioral2

discoveryransomwareupx

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