joker | 12e8ca4bcf45941c89025d441e9697f4171edacf8c487280814b92a412bada6b | Triage

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Overview

overview

Static

static

12e8ca4bcf...6b.exe

windows7-x64

8

12e8ca4bcf...6b.exe

windows10-2004-x64

Sharing

General

Target

12e8ca4bcf45941c89025d441e9697f4171edacf8c487280814b92a412bada6b
Size

252KB
Sample

221014-e6j7ksgddr
MD5

047c156bac3a1b49b36d8654cfbfd462
SHA1

63a61c568e0e55737168627ec14430189aa17e1a
SHA256

12e8ca4bcf45941c89025d441e9697f4171edacf8c487280814b92a412bada6b
SHA512

7fbbe4dbb9d0c6465febc2869a6b854963ed7fe96110314e415ebcbef3ab3545c77a042996097fa2f8cdcfe12aaf1954b731f8a5dde988cb1b9ab88848bf4745
SSDEEP

3072:lCfFBrDkiap75bTlxPCMwy6K9MHecBQ41pBYe6:lCfFtDg9JqS0Heo6

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

12e8ca4bcf45941c89025d441e9697f4171edacf8c487280814b92a412bada6b.exe

Resource

win7-20220812-en

windows7-x64

8 signatures

150 seconds

Behavioral task

behavioral2

Sample

12e8ca4bcf45941c89025d441e9697f4171edacf8c487280814b92a412bada6b.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

20 signatures

150 seconds

Malware Config

Targets

- Target
  
  12e8ca4bcf45941c89025d441e9697f4171edacf8c487280814b92a412bada6b
- Size
  
  252KB
- MD5
  
  047c156bac3a1b49b36d8654cfbfd462
- SHA1
  
  63a61c568e0e55737168627ec14430189aa17e1a
- SHA256
  
  12e8ca4bcf45941c89025d441e9697f4171edacf8c487280814b92a412bada6b
- SHA512
  
  7fbbe4dbb9d0c6465febc2869a6b854963ed7fe96110314e415ebcbef3ab3545c77a042996097fa2f8cdcfe12aaf1954b731f8a5dde988cb1b9ab88848bf4745
- SSDEEP
  
  3072:lCfFBrDkiap75bTlxPCMwy6K9MHecBQ41pBYe6:lCfFtDg9JqS0Heo6
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.
- Loads dropped DLL
- 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

Install Root Certificate

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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