joker | 8c63bf8ebbf766912cf4fbc08dd5f005330e0f11d7e5b90e0eaf7b283831e82d | Triage

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Overview

overview

Static

static

8c63bf8ebb...2d.exe

windows7-x64

1

8c63bf8ebb...2d.exe

windows10-2004-x64

Sharing

General

Target

8c63bf8ebbf766912cf4fbc08dd5f005330e0f11d7e5b90e0eaf7b283831e82d
Size

164KB
Sample

220919-ezbxmafhc9
MD5

80d6c71cca93f6d98839528013d873e1
SHA1

44eb1b530010bbcfc09df2d7b40a81fa16a1752d
SHA256

8c63bf8ebbf766912cf4fbc08dd5f005330e0f11d7e5b90e0eaf7b283831e82d
SHA512

f4f4b7d854e2b299c031afff9404af02a747b3a01b9adf718dc77c1ce454d92c49017bb50109bafffe015c7f855789d3c0964796b7d3effe6bc04363bca75f33
SSDEEP

3072:ShF7Du+WxLPt0fyCJBpn5Fu1k42FEmQ/ww:ShF7i+yVkJBpn5sJ2F65

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

8c63bf8ebbf766912cf4fbc08dd5f005330e0f11d7e5b90e0eaf7b283831e82d.exe

Resource

win7-20220812-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

8c63bf8ebbf766912cf4fbc08dd5f005330e0f11d7e5b90e0eaf7b283831e82d.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  8c63bf8ebbf766912cf4fbc08dd5f005330e0f11d7e5b90e0eaf7b283831e82d
- Size
  
  164KB
- MD5
  
  80d6c71cca93f6d98839528013d873e1
- SHA1
  
  44eb1b530010bbcfc09df2d7b40a81fa16a1752d
- SHA256
  
  8c63bf8ebbf766912cf4fbc08dd5f005330e0f11d7e5b90e0eaf7b283831e82d
- SHA512
  
  f4f4b7d854e2b299c031afff9404af02a747b3a01b9adf718dc77c1ce454d92c49017bb50109bafffe015c7f855789d3c0964796b7d3effe6bc04363bca75f33
- SSDEEP
  
  3072:ShF7Du+WxLPt0fyCJBpn5Fu1k42FEmQ/ww:ShF7i+yVkJBpn5sJ2F65
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
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

behavioral2

jokerevasioninfostealerpersistencetrojan

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