joker | bb69b4bc7f1948e729323fb63ca23c46436fd35ba92a2c293eb2382ff22684ca | Triage

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Reports

Overview

overview

Static

static

bb69b4bc7f...ca.exe

windows7-x64

1

bb69b4bc7f...ca.exe

windows10-2004-x64

Sharing

General

Target

bb69b4bc7f1948e729323fb63ca23c46436fd35ba92a2c293eb2382ff22684ca
Size

45KB
Sample

221030-jnss8abafr
MD5

a27e847e90100148c106b6cf4bdd31ba
SHA1

af284a31600f33ec9eb50d7021d42ce4799df3b5
SHA256

bb69b4bc7f1948e729323fb63ca23c46436fd35ba92a2c293eb2382ff22684ca
SHA512

4da44921258a69fcafb00327eb69acb37d069e813bc35d852500910b8eaf8162b72983c47a0b11980b30d98c6f04ad7f2787209d5bf0f392eaf542e78008d900
SSDEEP

768:5RVZwlepBH12mX3uN3aO74s9dcKDI0GZTg70Wq1qtewJJgzY4Dyu:5RAepBAmnuhN74k6GIhfWa8izY4H

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

bb69b4bc7f1948e729323fb63ca23c46436fd35ba92a2c293eb2382ff22684ca.exe

Resource

win7-20220812-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

bb69b4bc7f1948e729323fb63ca23c46436fd35ba92a2c293eb2382ff22684ca.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

17 signatures

150 seconds

Malware Config

Targets

- Target
  
  bb69b4bc7f1948e729323fb63ca23c46436fd35ba92a2c293eb2382ff22684ca
- Size
  
  45KB
- MD5
  
  a27e847e90100148c106b6cf4bdd31ba
- SHA1
  
  af284a31600f33ec9eb50d7021d42ce4799df3b5
- SHA256
  
  bb69b4bc7f1948e729323fb63ca23c46436fd35ba92a2c293eb2382ff22684ca
- SHA512
  
  4da44921258a69fcafb00327eb69acb37d069e813bc35d852500910b8eaf8162b72983c47a0b11980b30d98c6f04ad7f2787209d5bf0f392eaf542e78008d900
- SSDEEP
  
  768:5RVZwlepBH12mX3uN3aO74s9dcKDI0GZTg70Wq1qtewJJgzY4Dyu:5RAepBAmnuhN74k6GIhfWa8izY4H
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
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
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

Peripheral Device Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

behavioral2

jokerevasioninfostealerpersistencetrojan

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