joker | 891c300ffd60c4783921abc2b9471afa27fc51034b81861a7893aba8df32ed7f | Triage

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Overview

overview

Static

static

891c300ffd...7f.exe

windows7-x64

1

891c300ffd...7f.exe

windows10-2004-x64

Sharing

General

Target

891c300ffd60c4783921abc2b9471afa27fc51034b81861a7893aba8df32ed7f
Size

46KB
Sample

221030-jnt2aabagj
MD5

92f7720dca0798245ea9d53188364001
SHA1

154a0c5125176d2166d0c74f9d9f1cc0d60c7f6c
SHA256

891c300ffd60c4783921abc2b9471afa27fc51034b81861a7893aba8df32ed7f
SHA512

fde0eb31bdbc5547e65130a7c76157179f4adc09cd68c110fe7d69a36d740b1427feb1b54049080c9104c3f3ac6f3a666d466b67acd845687ee453cb528c5653
SSDEEP

768:9GCV6O58awRoAvZDV49ieUXgn4SSciyS1gPZ4DLPLJKPM:DV/lfI1KYefnscpS1gPZ4DLDJKPM

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

891c300ffd60c4783921abc2b9471afa27fc51034b81861a7893aba8df32ed7f.exe

Resource

win7-20220812-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

891c300ffd60c4783921abc2b9471afa27fc51034b81861a7893aba8df32ed7f.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

17 signatures

150 seconds

Malware Config

Targets

- Target
  
  891c300ffd60c4783921abc2b9471afa27fc51034b81861a7893aba8df32ed7f
- Size
  
  46KB
- MD5
  
  92f7720dca0798245ea9d53188364001
- SHA1
  
  154a0c5125176d2166d0c74f9d9f1cc0d60c7f6c
- SHA256
  
  891c300ffd60c4783921abc2b9471afa27fc51034b81861a7893aba8df32ed7f
- SHA512
  
  fde0eb31bdbc5547e65130a7c76157179f4adc09cd68c110fe7d69a36d740b1427feb1b54049080c9104c3f3ac6f3a666d466b67acd845687ee453cb528c5653
- SSDEEP
  
  768:9GCV6O58awRoAvZDV49ieUXgn4SSciyS1gPZ4DLPLJKPM:DV/lfI1KYefnscpS1gPZ4DLDJKPM
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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