joker | cffe77cf0faff802b48c8dfcda7ae6bdef09e1a514a0d64a43113ec02b47dde6 | Triage

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Overview

overview

Static

static

cffe77cf0f...e6.exe

windows7-x64

1

cffe77cf0f...e6.exe

windows10-2004-x64

Sharing

General

Target

cffe77cf0faff802b48c8dfcda7ae6bdef09e1a514a0d64a43113ec02b47dde6
Size

140KB
Sample

221107-xg2dnscfg8
MD5

0530e0b1f03b293aef48bad59e9aa04e
SHA1

8b374818e4ce75de81620e4d6ae85b90720eae8d
SHA256

cffe77cf0faff802b48c8dfcda7ae6bdef09e1a514a0d64a43113ec02b47dde6
SHA512

daceab921aa9f4122b0e22b089ff37284d8bbf1122cc05732dc7df7c4ad4de3bc92515499120379c867d3da8e858ca48d47c406315a1d2567eefd44b507d9b58
SSDEEP

1536:nnMg2OVLjlevyaRLBnLuRgiaUxRIxecePKH5nKLV+q:M0LpeTLlamiaUxRIxecePKQr

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

cffe77cf0faff802b48c8dfcda7ae6bdef09e1a514a0d64a43113ec02b47dde6.exe

Resource

win7-20220812-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

cffe77cf0faff802b48c8dfcda7ae6bdef09e1a514a0d64a43113ec02b47dde6.exe

Resource

win10v2004-20220901-en

joker evasion infostealer persistence trojan

windows10-2004-x64

17 signatures

150 seconds

Malware Config

Targets

- Target
  
  cffe77cf0faff802b48c8dfcda7ae6bdef09e1a514a0d64a43113ec02b47dde6
- Size
  
  140KB
- MD5
  
  0530e0b1f03b293aef48bad59e9aa04e
- SHA1
  
  8b374818e4ce75de81620e4d6ae85b90720eae8d
- SHA256
  
  cffe77cf0faff802b48c8dfcda7ae6bdef09e1a514a0d64a43113ec02b47dde6
- SHA512
  
  daceab921aa9f4122b0e22b089ff37284d8bbf1122cc05732dc7df7c4ad4de3bc92515499120379c867d3da8e858ca48d47c406315a1d2567eefd44b507d9b58
- SSDEEP
  
  1536:nnMg2OVLjlevyaRLBnLuRgiaUxRIxecePKH5nKLV+q:M0LpeTLlamiaUxRIxecePKQr
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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