joker | b31089376dff069dca82d47f5b61cdaad447e8c8ebe5fd76ce7f7dac0ac8dd04 | Triage

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Reports

Overview

overview

Static

static

b31089376d...04.exe

windows7-x64

1

b31089376d...04.exe

windows10-2004-x64

Sharing

General

Target

b31089376dff069dca82d47f5b61cdaad447e8c8ebe5fd76ce7f7dac0ac8dd04
Size

54KB
Sample

221014-emhjmsfegm
MD5

76307ca94f1e3b3a64c2e68a041d44d8
SHA1

800907c39b5f34d94ee2f925bd639af66af993bf
SHA256

b31089376dff069dca82d47f5b61cdaad447e8c8ebe5fd76ce7f7dac0ac8dd04
SHA512

8f302b887a7c4409b569510b9d332b59cdee2294058619dd4a16292539a668a94fef9f6fb1e1f20a6a85b3949c62e1fdca1dee63f614014cddc8392617623937
SSDEEP

1536:BLiSTK2DKfhw/kmBjMEWt1gKWSgfcmjxWNG9:BLiST9D2CMmBoE+gKOfnjJ9

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

b31089376dff069dca82d47f5b61cdaad447e8c8ebe5fd76ce7f7dac0ac8dd04.exe

Resource

win7-20220812-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

b31089376dff069dca82d47f5b61cdaad447e8c8ebe5fd76ce7f7dac0ac8dd04.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  b31089376dff069dca82d47f5b61cdaad447e8c8ebe5fd76ce7f7dac0ac8dd04
- Size
  
  54KB
- MD5
  
  76307ca94f1e3b3a64c2e68a041d44d8
- SHA1
  
  800907c39b5f34d94ee2f925bd639af66af993bf
- SHA256
  
  b31089376dff069dca82d47f5b61cdaad447e8c8ebe5fd76ce7f7dac0ac8dd04
- SHA512
  
  8f302b887a7c4409b569510b9d332b59cdee2294058619dd4a16292539a668a94fef9f6fb1e1f20a6a85b3949c62e1fdca1dee63f614014cddc8392617623937
- SSDEEP
  
  1536:BLiSTK2DKfhw/kmBjMEWt1gKWSgfcmjxWNG9:BLiST9D2CMmBoE+gKOfnjJ9
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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