joker | 03db3e24ec50ca61bd637b3fd842f6bd3f1ac94b136fac5e286dc6afeb65b22c | Triage

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Overview

overview

Static

static

03db3e24ec...2c.exe

windows7-x64

1

03db3e24ec...2c.exe

windows10-2004-x64

Sharing

General

Target

03db3e24ec50ca61bd637b3fd842f6bd3f1ac94b136fac5e286dc6afeb65b22c
Size

57KB
Sample

221003-gbj97shhd9
MD5

6c234b5057b7437bfd2811a92e49d07a
SHA1

45af0a50afee1acf281477cd5b1ba89c6381c6c8
SHA256

03db3e24ec50ca61bd637b3fd842f6bd3f1ac94b136fac5e286dc6afeb65b22c
SHA512

4ca001c8ed6c536500f04dc2a4fc6114f988677973165c0d972e23e04e2fba0f8f6b4506c3dec46c364e43f2ee5d402b4378d935a99151d73718ae96acc43c7a
SSDEEP

768:Pa45ONLv4mrxAE7THFOxw+CPnnMJ/f0N+zbOo/c+p6LZNkgsyfSew80cNoUQbR:PaLgFAjYa+C/MnbJANBszewQqU8R

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

03db3e24ec50ca61bd637b3fd842f6bd3f1ac94b136fac5e286dc6afeb65b22c.exe

Resource

win7-20220901-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

03db3e24ec50ca61bd637b3fd842f6bd3f1ac94b136fac5e286dc6afeb65b22c.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  03db3e24ec50ca61bd637b3fd842f6bd3f1ac94b136fac5e286dc6afeb65b22c
- Size
  
  57KB
- MD5
  
  6c234b5057b7437bfd2811a92e49d07a
- SHA1
  
  45af0a50afee1acf281477cd5b1ba89c6381c6c8
- SHA256
  
  03db3e24ec50ca61bd637b3fd842f6bd3f1ac94b136fac5e286dc6afeb65b22c
- SHA512
  
  4ca001c8ed6c536500f04dc2a4fc6114f988677973165c0d972e23e04e2fba0f8f6b4506c3dec46c364e43f2ee5d402b4378d935a99151d73718ae96acc43c7a
- SSDEEP
  
  768:Pa45ONLv4mrxAE7THFOxw+CPnnMJ/f0N+zbOo/c+p6LZNkgsyfSew80cNoUQbR:PaLgFAjYa+C/MnbJANBszewQqU8R
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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