joker | 6984935bb50f57b20ed0403e84e287184755b97da84a364702c326ffb34d9527 | Triage

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Overview

overview

Static

static

6984935bb5...27.exe

windows7-x64

1

6984935bb5...27.exe

windows10-2004-x64

Sharing

General

Target

6984935bb50f57b20ed0403e84e287184755b97da84a364702c326ffb34d9527
Size

54KB
Sample

221004-jm6npaacen
MD5

04cd5cb39693d21c97c1a358f4b9eb73
SHA1

e0c6104e7fb5405c6198a9865f347de521e4d90b
SHA256

6984935bb50f57b20ed0403e84e287184755b97da84a364702c326ffb34d9527
SHA512

e3504c9a08b61fb894ff6332ae7470eabbed3f7798fd31893c32dd27d189ba3ecfddb7bed58a22d9e5b1a90a37b5c13e1a1f6b2d76fe986eda08cca08d85e691
SSDEEP

768:sVKm4GV4ujtuYgFC5IjezJckOyLb172+oEFZ0TORX3iSHWIwjkdLv/kcH5hUDrpN:sQKV1MyVckOG12TGX1HxwjkVnDhI+Hy

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

6984935bb50f57b20ed0403e84e287184755b97da84a364702c326ffb34d9527.exe

Resource

win7-20220901-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

6984935bb50f57b20ed0403e84e287184755b97da84a364702c326ffb34d9527.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

17 signatures

150 seconds

Malware Config

Targets

- Target
  
  6984935bb50f57b20ed0403e84e287184755b97da84a364702c326ffb34d9527
- Size
  
  54KB
- MD5
  
  04cd5cb39693d21c97c1a358f4b9eb73
- SHA1
  
  e0c6104e7fb5405c6198a9865f347de521e4d90b
- SHA256
  
  6984935bb50f57b20ed0403e84e287184755b97da84a364702c326ffb34d9527
- SHA512
  
  e3504c9a08b61fb894ff6332ae7470eabbed3f7798fd31893c32dd27d189ba3ecfddb7bed58a22d9e5b1a90a37b5c13e1a1f6b2d76fe986eda08cca08d85e691
- SSDEEP
  
  768:sVKm4GV4ujtuYgFC5IjezJckOyLb172+oEFZ0TORX3iSHWIwjkdLv/kcH5hUDrpN:sQKV1MyVckOG12TGX1HxwjkVnDhI+Hy
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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