joker | 5f09206f43ff239cd98945bdb0b5a967a7b42da2c8fe1f775e7ac45900876d43 | Triage

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Overview

overview

Static

static

5f09206f43...43.exe

windows7-x64

5f09206f43...43.exe

windows10-2004-x64

Sharing

General

Target

5f09206f43ff239cd98945bdb0b5a967a7b42da2c8fe1f775e7ac45900876d43
Size

168KB
Sample

220919-e1ckjsfhg6
MD5

f8767c25aed0924824ebe08cf77bc318
SHA1

9cfa075bc8ba26b6f24466ef4acfe6d9120aeeb5
SHA256

5f09206f43ff239cd98945bdb0b5a967a7b42da2c8fe1f775e7ac45900876d43
SHA512

46c5a7759e15095b82d78b36f92e1f2eaac7c74bfc87297eb19707990d996ed2639366bc6bb1fe631b78049d1fc8b63dfe2bf5bb9e475b5d6fbd0c8dadeafdff
SSDEEP

1536:FEQiZQEwuyv+mMiIAkIxKmQHv51sksMDnH9WAYsMKWqD7WCDYVRa9h0nfA+l:inaLuyv+mMi5kWbWH7sAJM3IymYVGu7

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

5f09206f43ff239cd98945bdb0b5a967a7b42da2c8fe1f775e7ac45900876d43.exe

Resource

win7-20220812-en

joker evasion infostealer persistence trojan

windows7-x64

15 signatures

150 seconds

Behavioral task

behavioral2

Sample

5f09206f43ff239cd98945bdb0b5a967a7b42da2c8fe1f775e7ac45900876d43.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  5f09206f43ff239cd98945bdb0b5a967a7b42da2c8fe1f775e7ac45900876d43
- Size
  
  168KB
- MD5
  
  f8767c25aed0924824ebe08cf77bc318
- SHA1
  
  9cfa075bc8ba26b6f24466ef4acfe6d9120aeeb5
- SHA256
  
  5f09206f43ff239cd98945bdb0b5a967a7b42da2c8fe1f775e7ac45900876d43
- SHA512
  
  46c5a7759e15095b82d78b36f92e1f2eaac7c74bfc87297eb19707990d996ed2639366bc6bb1fe631b78049d1fc8b63dfe2bf5bb9e475b5d6fbd0c8dadeafdff
- SSDEEP
  
  1536:FEQiZQEwuyv+mMiIAkIxKmQHv51sksMDnH9WAYsMKWqD7WCDYVRa9h0nfA+l:inaLuyv+mMi5kWbWH7sAJM3IymYVGu7
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

jokerevasioninfostealerpersistencetrojan

behavioral2

jokerevasioninfostealerpersistencetrojan

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