joker | 5ff38f960562e2ad374e613b44b3216132109a08a7b41d6892591d0695c5465d | Triage

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Overview

overview

Static

static

5ff38f9605...5d.exe

windows7-x64

1

5ff38f9605...5d.exe

windows10-2004-x64

Sharing

General

Target

5ff38f960562e2ad374e613b44b3216132109a08a7b41d6892591d0695c5465d
Size

54KB
Sample

220919-aas3dsbgep
MD5

3d2bf1ec05fc37012dfc57bdf82d871f
SHA1

49fdf9ef48453bcaeeec1e53ea6bbf3fbc76f108
SHA256

5ff38f960562e2ad374e613b44b3216132109a08a7b41d6892591d0695c5465d
SHA512

af72fda9617465361d7521f260b339f9d7a12c2b09bc283dc8ef143a844ce1215b62998af382c9a5792cc6c16aaccf792f9d4a185dab4968cbb2c019bf061834
SSDEEP

1536:ubC0VUv2FU9hP51w5YgUZM4gf8fLllccIg:u4R9Z51w5YgSM48eocIg

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

5ff38f960562e2ad374e613b44b3216132109a08a7b41d6892591d0695c5465d.exe

Resource

win7-20220901-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

5ff38f960562e2ad374e613b44b3216132109a08a7b41d6892591d0695c5465d.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  5ff38f960562e2ad374e613b44b3216132109a08a7b41d6892591d0695c5465d
- Size
  
  54KB
- MD5
  
  3d2bf1ec05fc37012dfc57bdf82d871f
- SHA1
  
  49fdf9ef48453bcaeeec1e53ea6bbf3fbc76f108
- SHA256
  
  5ff38f960562e2ad374e613b44b3216132109a08a7b41d6892591d0695c5465d
- SHA512
  
  af72fda9617465361d7521f260b339f9d7a12c2b09bc283dc8ef143a844ce1215b62998af382c9a5792cc6c16aaccf792f9d4a185dab4968cbb2c019bf061834
- SSDEEP
  
  1536:ubC0VUv2FU9hP51w5YgUZM4gf8fLllccIg:u4R9Z51w5YgSM48eocIg
Score

10^/10

joker evasion infostealer persistence trojan
- joker
  Joker is an Android malware that targets billing and SMS fraud.
  infostealer trojan joker
- Executes dropped EXE
- Sets file to hidden
  Modifies file attributes to stop it showing in Explorer etc.
  evasion
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application
  persistence
behavioral1 behavioral2

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

behavioral2

jokerevasioninfostealerpersistencetrojan

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