joker | a286becab98d9cffbc1cf4bf9755302a46247145fab84401c02aff82f47541f8 | Triage

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Overview

overview

Static

static

a286becab9...f8.exe

windows7-x64

1

a286becab9...f8.exe

windows10-2004-x64

Sharing

General

Target

a286becab98d9cffbc1cf4bf9755302a46247145fab84401c02aff82f47541f8
Size

46KB
Sample

221012-16671aefeq
MD5

7b0e22256ca84a9f36affb4ebec87598
SHA1

77a786e61339ad2f8075b1bad1ac813edac5e24b
SHA256

a286becab98d9cffbc1cf4bf9755302a46247145fab84401c02aff82f47541f8
SHA512

e7a7bd897cdd57ecae4d031b4ab35e77ba8949cc8191d8af11879b15e1ee9dd37b65aef667a3d99baeb850ade25454a19c09f87aba16e786eeea136c9621a21c
SSDEEP

768:rFzj+w97y5nP1fkml51yK30XYi8RU1ODA3sq+146CtUeVbSjFNBW3qjUVLO:rFzj+xPKm1l0XYVU1n8tyz2eVboAajuy

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

a286becab98d9cffbc1cf4bf9755302a46247145fab84401c02aff82f47541f8.exe

Resource

win7-20220901-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

a286becab98d9cffbc1cf4bf9755302a46247145fab84401c02aff82f47541f8.exe

Resource

win10v2004-20220901-en

joker evasion infostealer persistence trojan

windows10-2004-x64

17 signatures

150 seconds

Malware Config

Targets

- Target
  
  a286becab98d9cffbc1cf4bf9755302a46247145fab84401c02aff82f47541f8
- Size
  
  46KB
- MD5
  
  7b0e22256ca84a9f36affb4ebec87598
- SHA1
  
  77a786e61339ad2f8075b1bad1ac813edac5e24b
- SHA256
  
  a286becab98d9cffbc1cf4bf9755302a46247145fab84401c02aff82f47541f8
- SHA512
  
  e7a7bd897cdd57ecae4d031b4ab35e77ba8949cc8191d8af11879b15e1ee9dd37b65aef667a3d99baeb850ade25454a19c09f87aba16e786eeea136c9621a21c
- SSDEEP
  
  768:rFzj+w97y5nP1fkml51yK30XYi8RU1ODA3sq+146CtUeVbSjFNBW3qjUVLO:rFzj+xPKm1l0XYVU1n8tyz2eVboAajuy
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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