joker | a2049a953d5ed411de9d9700e3e571167493050d3a5b2d47980f83e254e74270 | Triage

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Overview

overview

Static

static

a2049a953d...70.exe

windows7-x64

1

a2049a953d...70.exe

windows10-2004-x64

Sharing

General

Target

a2049a953d5ed411de9d9700e3e571167493050d3a5b2d47980f83e254e74270
Size

140KB
Sample

221021-e5pexacafn
MD5

4d0187825e40face7f78f84123d1f605
SHA1

22cc5eb22ec075c478c4b8577dd8bb649d2dafa7
SHA256

a2049a953d5ed411de9d9700e3e571167493050d3a5b2d47980f83e254e74270
SHA512

cf5ba0a4832e2f5559da61136693d78d04498f9114085fb116f67f52248a5b533008a1850a474f86c6570f0aae5436b65236813a7fbec749cd61ee10933ea5e8
SSDEEP

1536:nnMg2OVLjlevyaRLBnLuRgiaUxRIxecePKH5nKLV+X:M0LpeTLlamiaUxRIxecePKQW

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

a2049a953d5ed411de9d9700e3e571167493050d3a5b2d47980f83e254e74270.exe

Resource

win7-20220812-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

a2049a953d5ed411de9d9700e3e571167493050d3a5b2d47980f83e254e74270.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

17 signatures

150 seconds

Malware Config

Targets

- Target
  
  a2049a953d5ed411de9d9700e3e571167493050d3a5b2d47980f83e254e74270
- Size
  
  140KB
- MD5
  
  4d0187825e40face7f78f84123d1f605
- SHA1
  
  22cc5eb22ec075c478c4b8577dd8bb649d2dafa7
- SHA256
  
  a2049a953d5ed411de9d9700e3e571167493050d3a5b2d47980f83e254e74270
- SHA512
  
  cf5ba0a4832e2f5559da61136693d78d04498f9114085fb116f67f52248a5b533008a1850a474f86c6570f0aae5436b65236813a7fbec749cd61ee10933ea5e8
- SSDEEP
  
  1536:nnMg2OVLjlevyaRLBnLuRgiaUxRIxecePKH5nKLV+X:M0LpeTLlamiaUxRIxecePKQW
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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