joker | a0ecc9ff9737db83db04862eb3d8dd53cf287744930b26237f34f0f858a01dd6 | Triage

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Overview

overview

Static

static

a0ecc9ff97...d6.exe

windows7-x64

1

a0ecc9ff97...d6.exe

windows10-2004-x64

Sharing

General

Target

a0ecc9ff9737db83db04862eb3d8dd53cf287744930b26237f34f0f858a01dd6
Size

54KB
Sample

220919-aaf3tsbgdk
MD5

e4afa76c7b08dee5a7ea4287d35f4042
SHA1

94a7b1207fa7fe31248718bbe02df1425b920774
SHA256

a0ecc9ff9737db83db04862eb3d8dd53cf287744930b26237f34f0f858a01dd6
SHA512

0606d8e2ac6eb484a880cee2e2c7cdb8750c5385b8a54a0bac21363d7559c42aff371a00fbf1b167abf3b93ea0e49ebe067e66019081e2989865c6dea544a5a1
SSDEEP

1536:E1RLNHqF5r1p/8d4GuY23wKHhIH92O1NKTu4:GHQB/8d4zY2gVdHKN

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

a0ecc9ff9737db83db04862eb3d8dd53cf287744930b26237f34f0f858a01dd6.exe

Resource

win7-20220901-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

a0ecc9ff9737db83db04862eb3d8dd53cf287744930b26237f34f0f858a01dd6.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

16 signatures

150 seconds

Malware Config

Targets

- Target
  
  a0ecc9ff9737db83db04862eb3d8dd53cf287744930b26237f34f0f858a01dd6
- Size
  
  54KB
- MD5
  
  e4afa76c7b08dee5a7ea4287d35f4042
- SHA1
  
  94a7b1207fa7fe31248718bbe02df1425b920774
- SHA256
  
  a0ecc9ff9737db83db04862eb3d8dd53cf287744930b26237f34f0f858a01dd6
- SHA512
  
  0606d8e2ac6eb484a880cee2e2c7cdb8750c5385b8a54a0bac21363d7559c42aff371a00fbf1b167abf3b93ea0e49ebe067e66019081e2989865c6dea544a5a1
- SSDEEP
  
  1536:E1RLNHqF5r1p/8d4GuY23wKHhIH92O1NKTu4:GHQB/8d4zY2gVdHKN
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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