a4e7934f506d24d2d4d47fc3618e4f6ee210eb4af7b9a98e6f5136ea32485546 | Triage

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Overview

overview

9

Static

static

5

83f4167342...18.exe

windows7-x64

8

83f4167342...18.exe

windows10-2004-x64

9

Sharing

General

Target

83f41673425c73d4f1fc6293f72a2174_JaffaCakes118
Size

253KB
Sample

241101-daxmcstrby
MD5

83f41673425c73d4f1fc6293f72a2174
SHA1

ab5d32df9f836e09448ef3527538da462119dbc9
SHA256

a4e7934f506d24d2d4d47fc3618e4f6ee210eb4af7b9a98e6f5136ea32485546
SHA512

82063cfc55cabff138e2f8b1895b375a0268f7426fb99bb8f12bf84cae24007d011f8f54f856268f4a17a4d1253b5ba2f875bcd5e431e19e7154ceeec29d5c03
SSDEEP

6144:BN9Gm3BFqUjtE5yxlvwPzKoyQvtUzyUPuV4MkiEXu:L9Gmxkj5yXvwbK6vtUrWVlEe

Score

9^/10

defense_evasion discovery evasion exploit ransomware upx

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

83f41673425c73d4f1fc6293f72a2174_JaffaCakes118.exe

Resource

win7-20241010-en

windows7-x64

10 signatures

150 seconds

Behavioral task

behavioral2

Sample

83f41673425c73d4f1fc6293f72a2174_JaffaCakes118.exe

Resource

win10v2004-20241007-en

defense_evasion discovery evasion exploit ransomware upx

windows10-2004-x64

18 signatures

150 seconds

Malware Config

Targets

- Target
  
  83f41673425c73d4f1fc6293f72a2174_JaffaCakes118
- Size
  
  253KB
- MD5
  
  83f41673425c73d4f1fc6293f72a2174
- SHA1
  
  ab5d32df9f836e09448ef3527538da462119dbc9
- SHA256
  
  a4e7934f506d24d2d4d47fc3618e4f6ee210eb4af7b9a98e6f5136ea32485546
- SHA512
  
  82063cfc55cabff138e2f8b1895b375a0268f7426fb99bb8f12bf84cae24007d011f8f54f856268f4a17a4d1253b5ba2f875bcd5e431e19e7154ceeec29d5c03
- SSDEEP
  
  6144:BN9Gm3BFqUjtE5yxlvwPzKoyQvtUzyUPuV4MkiEXu:L9Gmxkj5yXvwbK6vtUrWVlEe
Score

9^/10

discovery upx defense_evasion evasion exploit ransomware
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Drops file in Drivers directory
- Possible privilege escalation attempt
  exploit
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Modifies file permissions
  discovery
- File and Directory Permissions Modification: Windows File and Directory Permissions Modification
  defense_evasion
- Drops file in System32 directory
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

Windows File and Directory Permissions Modification

Modify Registry

Credential Access

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

Tasks

static1

behavioral1

behavioral2

defense_evasiondiscoveryevasionexploitransomwareupx

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