joker | 8da8c8ef9d0f2c880c8d74def159fc068aaa9de8a315e342976ad1d26ca3089d | Triage

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Overview

overview

Static

static

8da8c8ef9d...9d.exe

windows7-x64

1

8da8c8ef9d...9d.exe

windows10-2004-x64

Sharing

General

Target

8da8c8ef9d0f2c880c8d74def159fc068aaa9de8a315e342976ad1d26ca3089d
Size

54KB
Sample

221014-emh56sfegn
MD5

64470f77fc147ca77b908694c7705c03
SHA1

b50e07c96dcbe00cce62e4b681a1604fccfb0168
SHA256

8da8c8ef9d0f2c880c8d74def159fc068aaa9de8a315e342976ad1d26ca3089d
SHA512

cd58ac19e5f371aae3ec394cd54d93d14a996428225e226766893081fdff99298bd7a41784f725810533d35666b46821fa086f47e16d1a93e081060dba8dc11f
SSDEEP

1536:smL/ODyx+/DZZoKl5TvvYkP9fQQ57lDElNOg:bd+/DLoUTnYgKQLng

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

8da8c8ef9d0f2c880c8d74def159fc068aaa9de8a315e342976ad1d26ca3089d.exe

Resource

win7-20220812-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

8da8c8ef9d0f2c880c8d74def159fc068aaa9de8a315e342976ad1d26ca3089d.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  8da8c8ef9d0f2c880c8d74def159fc068aaa9de8a315e342976ad1d26ca3089d
- Size
  
  54KB
- MD5
  
  64470f77fc147ca77b908694c7705c03
- SHA1
  
  b50e07c96dcbe00cce62e4b681a1604fccfb0168
- SHA256
  
  8da8c8ef9d0f2c880c8d74def159fc068aaa9de8a315e342976ad1d26ca3089d
- SHA512
  
  cd58ac19e5f371aae3ec394cd54d93d14a996428225e226766893081fdff99298bd7a41784f725810533d35666b46821fa086f47e16d1a93e081060dba8dc11f
- SSDEEP
  
  1536:smL/ODyx+/DZZoKl5TvvYkP9fQQ57lDElNOg:bd+/DLoUTnYgKQLng
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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