joker | b30fdd36fc0d6e5b1a6b37ea84c75257e58d0f9b69a93ab67e3b3b1d66d2ff2a | Triage

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Overview

overview

Static

static

b30fdd36fc...2a.exe

windows7-x64

1

b30fdd36fc...2a.exe

windows10-2004-x64

Sharing

General

Target

b30fdd36fc0d6e5b1a6b37ea84c75257e58d0f9b69a93ab67e3b3b1d66d2ff2a
Size

54KB
Sample

220919-aa21asfhf4
MD5

44e41ab61431e9d7bfd1eb5e3199f4c3
SHA1

2a540bbff8d9a825b96c35d1cca986272ab0e984
SHA256

b30fdd36fc0d6e5b1a6b37ea84c75257e58d0f9b69a93ab67e3b3b1d66d2ff2a
SHA512

24bca83432b80c983cab657669a464fb57397921852bcab5012e8bd79bf1785865df2971b3c5fff49a7409b435b5e2022f65a8be064fb8c4ca40ccda6b24ac43
SSDEEP

1536:ubC0VUv2FU9hP51w5YgUZM4gf8fLllccIhs:u4R9Z51w5YgSM48eocI2

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

b30fdd36fc0d6e5b1a6b37ea84c75257e58d0f9b69a93ab67e3b3b1d66d2ff2a.exe

Resource

win7-20220812-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

b30fdd36fc0d6e5b1a6b37ea84c75257e58d0f9b69a93ab67e3b3b1d66d2ff2a.exe

Resource

win10v2004-20220901-en

joker evasion infostealer persistence trojan

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  b30fdd36fc0d6e5b1a6b37ea84c75257e58d0f9b69a93ab67e3b3b1d66d2ff2a
- Size
  
  54KB
- MD5
  
  44e41ab61431e9d7bfd1eb5e3199f4c3
- SHA1
  
  2a540bbff8d9a825b96c35d1cca986272ab0e984
- SHA256
  
  b30fdd36fc0d6e5b1a6b37ea84c75257e58d0f9b69a93ab67e3b3b1d66d2ff2a
- SHA512
  
  24bca83432b80c983cab657669a464fb57397921852bcab5012e8bd79bf1785865df2971b3c5fff49a7409b435b5e2022f65a8be064fb8c4ca40ccda6b24ac43
- SSDEEP
  
  1536:ubC0VUv2FU9hP51w5YgUZM4gf8fLllccIhs:u4R9Z51w5YgSM48eocI2
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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