joker | 73c2fe7bc03a1732807a2a1d3b031bba670dee605411d8fd16c8fa877ef985e4 | Triage

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Overview

overview

Static

static

73c2fe7bc0...e4.exe

windows7-x64

1

73c2fe7bc0...e4.exe

windows10-2004-x64

Sharing

General

Target

73c2fe7bc03a1732807a2a1d3b031bba670dee605411d8fd16c8fa877ef985e4
Size

57KB
Sample

220919-ezc5pafhd2
MD5

dab12f2f42fca5c92f88b5b00328b225
SHA1

b52f874c2a06011e85426c2b11b64aa832708493
SHA256

73c2fe7bc03a1732807a2a1d3b031bba670dee605411d8fd16c8fa877ef985e4
SHA512

cd227d47461e595e05cd386581b808e0451740cd0f5457fa8662908c790752e73e7b50c96788ade27f902880256f94f77f39caf433e26ce1ada667ae05c6febb
SSDEEP

1536:fFGQjNsLP13pH0XqdpC0ozlqE1vsKZK3z5v1Bqny:f8ui7z06dpC0dE1tMD5tony

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

73c2fe7bc03a1732807a2a1d3b031bba670dee605411d8fd16c8fa877ef985e4.exe

Resource

win7-20220901-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

73c2fe7bc03a1732807a2a1d3b031bba670dee605411d8fd16c8fa877ef985e4.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  73c2fe7bc03a1732807a2a1d3b031bba670dee605411d8fd16c8fa877ef985e4
- Size
  
  57KB
- MD5
  
  dab12f2f42fca5c92f88b5b00328b225
- SHA1
  
  b52f874c2a06011e85426c2b11b64aa832708493
- SHA256
  
  73c2fe7bc03a1732807a2a1d3b031bba670dee605411d8fd16c8fa877ef985e4
- SHA512
  
  cd227d47461e595e05cd386581b808e0451740cd0f5457fa8662908c790752e73e7b50c96788ade27f902880256f94f77f39caf433e26ce1ada667ae05c6febb
- SSDEEP
  
  1536:fFGQjNsLP13pH0XqdpC0ozlqE1vsKZK3z5v1Bqny:f8ui7z06dpC0dE1tMD5tony
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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