joker | bd134cc72d654f22fc9b1cc2ac850e2a99bc5b12d912b480290e6d3b82e0bb82 | Triage

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Overview

overview

Static

static

bd134cc72d...82.exe

windows7-x64

bd134cc72d...82.exe

windows10-2004-x64

Sharing

General

Target

bd134cc72d654f22fc9b1cc2ac850e2a99bc5b12d912b480290e6d3b82e0bb82
Size

59KB
Sample

221012-v77l9sdgdl
MD5

6b9b79dd789a6e333bbcacb81be8127a
SHA1

d3977282b5b65d5813949d4c263f616763503a0e
SHA256

bd134cc72d654f22fc9b1cc2ac850e2a99bc5b12d912b480290e6d3b82e0bb82
SHA512

1726310956bb796cfd468385d4c8bbaeb5c03659680067195d9c4a02ecfbac9295f8ce2d51aad04ba4e67952d43f6fc7f2c601fd791817339848ce3e0023b31a
SSDEEP

1536:YZmXB5jD0JI2ibtCbYvFOUOYvNTpc/M46YUm:0V4hzd1OYd6E461m

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

bd134cc72d654f22fc9b1cc2ac850e2a99bc5b12d912b480290e6d3b82e0bb82.exe

Resource

win7-20220812-en

joker evasion infostealer persistence trojan

windows7-x64

15 signatures

150 seconds

Behavioral task

behavioral2

Sample

bd134cc72d654f22fc9b1cc2ac850e2a99bc5b12d912b480290e6d3b82e0bb82.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  bd134cc72d654f22fc9b1cc2ac850e2a99bc5b12d912b480290e6d3b82e0bb82
- Size
  
  59KB
- MD5
  
  6b9b79dd789a6e333bbcacb81be8127a
- SHA1
  
  d3977282b5b65d5813949d4c263f616763503a0e
- SHA256
  
  bd134cc72d654f22fc9b1cc2ac850e2a99bc5b12d912b480290e6d3b82e0bb82
- SHA512
  
  1726310956bb796cfd468385d4c8bbaeb5c03659680067195d9c4a02ecfbac9295f8ce2d51aad04ba4e67952d43f6fc7f2c601fd791817339848ce3e0023b31a
- SSDEEP
  
  1536:YZmXB5jD0JI2ibtCbYvFOUOYvNTpc/M46YUm:0V4hzd1OYd6E461m
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

jokerevasioninfostealerpersistencetrojan

behavioral2

jokerevasioninfostealerpersistencetrojan

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