joker | e5b15c95ea0a3ff4990cf2e7e8fc7c10d2ffe2ce15945b0be9615384444411e5 | Triage

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Overview

overview

Static

static

e5b15c95ea...e5.exe

windows7-x64

1

e5b15c95ea...e5.exe

windows10-2004-x64

Sharing

General

Target

e5b15c95ea0a3ff4990cf2e7e8fc7c10d2ffe2ce15945b0be9615384444411e5
Size

96KB
Sample

221030-jnr7pabafq
MD5

93183277d652b823134344a9b0370bcc
SHA1

b567859456f228b24646ce07a63fd750ee221732
SHA256

e5b15c95ea0a3ff4990cf2e7e8fc7c10d2ffe2ce15945b0be9615384444411e5
SHA512

650b7145df7e7a8f909f4afeb528005382138cb700f96b234f7295bdad993b0af6c6811127a28c8204be08cc8df66d793b6eabb03acb1cf7715a8e429278cd24
SSDEEP

768:Ry837t4FkXJREB8XFsWf5xq/qo/k08qkM7B1YlhrIWV35xqu+TPW1Kljl9nnQObh:R4PuXFpfTtbrO/A5HN+TOC+eWxGsn+R

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

e5b15c95ea0a3ff4990cf2e7e8fc7c10d2ffe2ce15945b0be9615384444411e5.exe

Resource

win7-20220812-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

e5b15c95ea0a3ff4990cf2e7e8fc7c10d2ffe2ce15945b0be9615384444411e5.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

17 signatures

150 seconds

Malware Config

Targets

- Target
  
  e5b15c95ea0a3ff4990cf2e7e8fc7c10d2ffe2ce15945b0be9615384444411e5
- Size
  
  96KB
- MD5
  
  93183277d652b823134344a9b0370bcc
- SHA1
  
  b567859456f228b24646ce07a63fd750ee221732
- SHA256
  
  e5b15c95ea0a3ff4990cf2e7e8fc7c10d2ffe2ce15945b0be9615384444411e5
- SHA512
  
  650b7145df7e7a8f909f4afeb528005382138cb700f96b234f7295bdad993b0af6c6811127a28c8204be08cc8df66d793b6eabb03acb1cf7715a8e429278cd24
- SSDEEP
  
  768:Ry837t4FkXJREB8XFsWf5xq/qo/k08qkM7B1YlhrIWV35xqu+TPW1Kljl9nnQObh:R4PuXFpfTtbrO/A5HN+TOC+eWxGsn+R
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

Process Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

behavioral2

jokerevasioninfostealerpersistencetrojan

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