joker | 6229dc39e91493902b4149d6ec90224a9bafcc7cab1aeba6281a05c088af96b5 | Triage

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Overview

overview

Static

static

6229dc39e9...b5.exe

windows7-x64

1

6229dc39e9...b5.exe

windows10-2004-x64

Sharing

General

Target

6229dc39e91493902b4149d6ec90224a9bafcc7cab1aeba6281a05c088af96b5
Size

140KB
Sample

221106-qvw8jsfgcj
MD5

05eb77a0829b1fa8da3878eb28f9b9dd
SHA1

38867d66416a58faed362c4e0b66212c1e48a090
SHA256

6229dc39e91493902b4149d6ec90224a9bafcc7cab1aeba6281a05c088af96b5
SHA512

49a327dc8d7ff4d803b2c014b66d948c331b9456a1ae994ecda6e96f3ddf857895890ab02288784eb45056f1c0fa66aded662a52806fe3477d8415ae4f23d4ef
SSDEEP

1536:nnMg2OVLjlevyaRLBnLuRgiaUxRIxecePKH5nKLV+u:M0LpeTLlamiaUxRIxecePKQz

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

6229dc39e91493902b4149d6ec90224a9bafcc7cab1aeba6281a05c088af96b5.exe

Resource

win7-20220812-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

6229dc39e91493902b4149d6ec90224a9bafcc7cab1aeba6281a05c088af96b5.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

17 signatures

150 seconds

Malware Config

Targets

- Target
  
  6229dc39e91493902b4149d6ec90224a9bafcc7cab1aeba6281a05c088af96b5
- Size
  
  140KB
- MD5
  
  05eb77a0829b1fa8da3878eb28f9b9dd
- SHA1
  
  38867d66416a58faed362c4e0b66212c1e48a090
- SHA256
  
  6229dc39e91493902b4149d6ec90224a9bafcc7cab1aeba6281a05c088af96b5
- SHA512
  
  49a327dc8d7ff4d803b2c014b66d948c331b9456a1ae994ecda6e96f3ddf857895890ab02288784eb45056f1c0fa66aded662a52806fe3477d8415ae4f23d4ef
- SSDEEP
  
  1536:nnMg2OVLjlevyaRLBnLuRgiaUxRIxecePKH5nKLV+u:M0LpeTLlamiaUxRIxecePKQz
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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