joker | 9c5ff0920de28bf748b22af5bcb7e75fac269d78e336825860c05e66bfc2c765 | Triage

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Reports

Overview

overview

Static

static

9c5ff0920d...65.exe

windows7-x64

1

9c5ff0920d...65.exe

windows10-2004-x64

Sharing

General

Target

9c5ff0920de28bf748b22af5bcb7e75fac269d78e336825860c05e66bfc2c765
Size

57KB
Sample

221002-l87tzsaga4
MD5

33310fe5a5ddde6b1b16a60f1072f1ae
SHA1

d8000c32b95891e63b725846d4637568fae3f255
SHA256

9c5ff0920de28bf748b22af5bcb7e75fac269d78e336825860c05e66bfc2c765
SHA512

d4b90ced79ec15dc5c422bb15b2229052c8398e760bc160c9857cfb1c303ba085cdfabc4906752e241f422b970106ea8fe2b9e9d7f67a6c844039c04e4b31e78
SSDEEP

768:OFVzMQjM6qLTZIHNmSal8KUor/jewC4H1LSSJB00wNLE9WPry378WaKysZ5bu:OFGQjAK9axUYbD/kLeWPrGJaKysZVu

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

9c5ff0920de28bf748b22af5bcb7e75fac269d78e336825860c05e66bfc2c765.exe

Resource

win7-20220812-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

9c5ff0920de28bf748b22af5bcb7e75fac269d78e336825860c05e66bfc2c765.exe

Resource

win10v2004-20220901-en

joker evasion infostealer persistence trojan

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  9c5ff0920de28bf748b22af5bcb7e75fac269d78e336825860c05e66bfc2c765
- Size
  
  57KB
- MD5
  
  33310fe5a5ddde6b1b16a60f1072f1ae
- SHA1
  
  d8000c32b95891e63b725846d4637568fae3f255
- SHA256
  
  9c5ff0920de28bf748b22af5bcb7e75fac269d78e336825860c05e66bfc2c765
- SHA512
  
  d4b90ced79ec15dc5c422bb15b2229052c8398e760bc160c9857cfb1c303ba085cdfabc4906752e241f422b970106ea8fe2b9e9d7f67a6c844039c04e4b31e78
- SSDEEP
  
  768:OFVzMQjM6qLTZIHNmSal8KUor/jewC4H1LSSJB00wNLE9WPry378WaKysZ5bu:OFGQjAK9axUYbD/kLeWPrGJaKysZVu
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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