joker | 1259f360e37f2afe048b928e09fb87dd47506a629736712cbf3f151dad03d109 | Triage

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Overview

overview

Static

static

1259f360e3...09.exe

windows7-x64

1

1259f360e3...09.exe

windows10-2004-x64

Sharing

General

Target

1259f360e37f2afe048b928e09fb87dd47506a629736712cbf3f151dad03d109
Size

140KB
Sample

221021-ttzh3aefcn
MD5

11021db97d90d9c17d0d1356c0264b42
SHA1

641a551bba6e456655d67bacd3e5e10f3d508a3b
SHA256

1259f360e37f2afe048b928e09fb87dd47506a629736712cbf3f151dad03d109
SHA512

27a0db8995dfe4e6df316773b2a0dc450f25b57a16c4d6c1aae5235ee83b9be430a9d03a66149814f8a54f6fb85d4e90aa782c1a90f698fa73b8478a63f8c38c
SSDEEP

1536:nnMg2OVLjlevyaRLBnLuRgiaUxRIxecePKH5nKLV+Y:M0LpeTLlamiaUxRIxecePKQN

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

1259f360e37f2afe048b928e09fb87dd47506a629736712cbf3f151dad03d109.exe

Resource

win7-20220812-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

1259f360e37f2afe048b928e09fb87dd47506a629736712cbf3f151dad03d109.exe

Resource

win10v2004-20220901-en

joker evasion infostealer persistence trojan

windows10-2004-x64

17 signatures

150 seconds

Malware Config

Targets

- Target
  
  1259f360e37f2afe048b928e09fb87dd47506a629736712cbf3f151dad03d109
- Size
  
  140KB
- MD5
  
  11021db97d90d9c17d0d1356c0264b42
- SHA1
  
  641a551bba6e456655d67bacd3e5e10f3d508a3b
- SHA256
  
  1259f360e37f2afe048b928e09fb87dd47506a629736712cbf3f151dad03d109
- SHA512
  
  27a0db8995dfe4e6df316773b2a0dc450f25b57a16c4d6c1aae5235ee83b9be430a9d03a66149814f8a54f6fb85d4e90aa782c1a90f698fa73b8478a63f8c38c
- SSDEEP
  
  1536:nnMg2OVLjlevyaRLBnLuRgiaUxRIxecePKH5nKLV+Y:M0LpeTLlamiaUxRIxecePKQN
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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