joker | 57e84377d71a6017828eef007574f31838ff487f5318817668c35a36ee5de9a7 | Triage

Submit
Reports

Overview

overview

Static

static

57e84377d7...a7.exe

windows7-x64

8

57e84377d7...a7.exe

windows10-2004-x64

Sharing

General

Target

57e84377d71a6017828eef007574f31838ff487f5318817668c35a36ee5de9a7
Size

74KB
Sample

220919-aadygabgcr
MD5

2bbe0c466cd442c9d414d015a5d92d31
SHA1

a467af9a966d6d000282a4256ff6d17a7b0247df
SHA256

57e84377d71a6017828eef007574f31838ff487f5318817668c35a36ee5de9a7
SHA512

f079732452fa730ac73acba4fe353a7cba1c235b779c469e4859379690627c24b2618f3108036cfc3c616dd7e9cb6e31bf36a7cf4d35741df30e02a8406f66fa
SSDEEP

1536:wUBCVCilCsiPLIF5C7WLoFSurN6b4PFweJHwt3S/Bd9x57N89h0eb:wUBCCil7CaMWLokHMPy3+Nwb

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

57e84377d71a6017828eef007574f31838ff487f5318817668c35a36ee5de9a7.exe

Resource

win7-20220901-en

windows7-x64

15 signatures

150 seconds

Behavioral task

behavioral2

Sample

57e84377d71a6017828eef007574f31838ff487f5318817668c35a36ee5de9a7.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

20 signatures

150 seconds

Malware Config

Targets

- Target
  
  57e84377d71a6017828eef007574f31838ff487f5318817668c35a36ee5de9a7
- Size
  
  74KB
- MD5
  
  2bbe0c466cd442c9d414d015a5d92d31
- SHA1
  
  a467af9a966d6d000282a4256ff6d17a7b0247df
- SHA256
  
  57e84377d71a6017828eef007574f31838ff487f5318817668c35a36ee5de9a7
- SHA512
  
  f079732452fa730ac73acba4fe353a7cba1c235b779c469e4859379690627c24b2618f3108036cfc3c616dd7e9cb6e31bf36a7cf4d35741df30e02a8406f66fa
- SSDEEP
  
  1536:wUBCVCilCsiPLIF5C7WLoFSurN6b4PFweJHwt3S/Bd9x57N89h0eb:wUBCCil7CaMWLokHMPy3+Nwb
Score

10^/10

evasion joker 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

© 2018-2025

Terms | Privacy