joker | 235f0c77c2dc786c41617995f4324f715a9fedb262cce18cbf5bb2dbcfe849d9 | Triage

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Overview

overview

Static

static

235f0c77c2...d9.exe

windows7-x64

1

235f0c77c2...d9.exe

windows10-2004-x64

Sharing

General

Target

235f0c77c2dc786c41617995f4324f715a9fedb262cce18cbf5bb2dbcfe849d9
Size

160KB
Sample

221013-2enf9agga6
MD5

61ec2f1e4cb8f360bf05023710b4b1ff
SHA1

0983e56d0e2f57fc6f5dcf94883a0f3ab7b6cb84
SHA256

235f0c77c2dc786c41617995f4324f715a9fedb262cce18cbf5bb2dbcfe849d9
SHA512

878be4abdd3f290e71e4b290f5cc1cc0c18083470107f758fc8e37c9564280de199b775ad4b6bdd9e9487419d2767fae3502d69cbecae09c4ea103eb22fa2776
SSDEEP

1536:o0K3a3E5YW/io2C+I4LQ54z2B814KX6hN2DDwRCPERykcb+L:I3aE5/io2C+I4LQ54z2C14KK3W8RCm/

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

235f0c77c2dc786c41617995f4324f715a9fedb262cce18cbf5bb2dbcfe849d9.exe

Resource

win7-20220901-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

235f0c77c2dc786c41617995f4324f715a9fedb262cce18cbf5bb2dbcfe849d9.exe

Resource

win10v2004-20220901-en

joker evasion infostealer persistence trojan

windows10-2004-x64

17 signatures

150 seconds

Malware Config

Targets

- Target
  
  235f0c77c2dc786c41617995f4324f715a9fedb262cce18cbf5bb2dbcfe849d9
- Size
  
  160KB
- MD5
  
  61ec2f1e4cb8f360bf05023710b4b1ff
- SHA1
  
  0983e56d0e2f57fc6f5dcf94883a0f3ab7b6cb84
- SHA256
  
  235f0c77c2dc786c41617995f4324f715a9fedb262cce18cbf5bb2dbcfe849d9
- SHA512
  
  878be4abdd3f290e71e4b290f5cc1cc0c18083470107f758fc8e37c9564280de199b775ad4b6bdd9e9487419d2767fae3502d69cbecae09c4ea103eb22fa2776
- SSDEEP
  
  1536:o0K3a3E5YW/io2C+I4LQ54z2B814KX6hN2DDwRCPERykcb+L:I3aE5/io2C+I4LQ54z2C14KK3W8RCm/
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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