joker | ea5299437ba1ea8b46f95d0384705c12d95c9ab3ef1f1e68f0c7a574aaa73107 | Triage

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Overview

overview

Static

static

ea5299437b...07.exe

windows7-x64

ea5299437b...07.exe

windows10-2004-x64

Sharing

General

Target

ea5299437ba1ea8b46f95d0384705c12d95c9ab3ef1f1e68f0c7a574aaa73107
Size

168KB
Sample

221030-sdwa2agcdp
MD5

8373d5f129cc984cf7fbd86dccbaf0af
SHA1

67d891a1a67e5e3fcd1fa05a5ba48a9b596fc146
SHA256

ea5299437ba1ea8b46f95d0384705c12d95c9ab3ef1f1e68f0c7a574aaa73107
SHA512

d1c7f67df74f6171e2529f2f0c572a720bdba36a0418fa1718bb21448b939ccfbca5b6878666175c4632324b855bdee53a1bd5811db8405874009baeb5a22a41
SSDEEP

1536:AgIMXN4czoLRpCt98SaE4cku5V72O0zR1VuCEWWAERIxpE+s:BBARzSaEkuj72rzR1VuzWWCg

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

ea5299437ba1ea8b46f95d0384705c12d95c9ab3ef1f1e68f0c7a574aaa73107.exe

Resource

win7-20220812-en

joker evasion infostealer persistence trojan

windows7-x64

18 signatures

150 seconds

Behavioral task

behavioral2

Sample

ea5299437ba1ea8b46f95d0384705c12d95c9ab3ef1f1e68f0c7a574aaa73107.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  ea5299437ba1ea8b46f95d0384705c12d95c9ab3ef1f1e68f0c7a574aaa73107
- Size
  
  168KB
- MD5
  
  8373d5f129cc984cf7fbd86dccbaf0af
- SHA1
  
  67d891a1a67e5e3fcd1fa05a5ba48a9b596fc146
- SHA256
  
  ea5299437ba1ea8b46f95d0384705c12d95c9ab3ef1f1e68f0c7a574aaa73107
- SHA512
  
  d1c7f67df74f6171e2529f2f0c572a720bdba36a0418fa1718bb21448b939ccfbca5b6878666175c4632324b855bdee53a1bd5811db8405874009baeb5a22a41
- SSDEEP
  
  1536:AgIMXN4czoLRpCt98SaE4cku5V72O0zR1VuCEWWAERIxpE+s:BBARzSaEkuj72rzR1VuzWWCg
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.
- Deletes itself
- Loads dropped DLL
- Adds Run key to start application
  persistence
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

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

jokerevasioninfostealerpersistencetrojan

behavioral2

jokerevasioninfostealerpersistencetrojan

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