joker | 554ea8dd0b5c858d3ef3c4fdd0203c478320d6a6f616b5341e94a43a946185f7 | Triage

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Overview

overview

Static

static

554ea8dd0b...f7.exe

windows7-x64

1

554ea8dd0b...f7.exe

windows10-2004-x64

Sharing

General

Target

554ea8dd0b5c858d3ef3c4fdd0203c478320d6a6f616b5341e94a43a946185f7
Size

54KB
Sample

221030-jnvyksbagk
MD5

93c6f20dd0a3d06f910526dc04c87587
SHA1

77557d5dc3405bb68a9ca22dbd4693f17d0e3b46
SHA256

554ea8dd0b5c858d3ef3c4fdd0203c478320d6a6f616b5341e94a43a946185f7
SHA512

452c17c072da8a424a85af0724117defc04e4d40f61a4aef52570e23cdcb7df8374ce6e6ab24872d2fd6f914dac58d44e0c40fe6abaec76c6f13244c470988ee
SSDEEP

768:sVKm4GV4ujtuYgFC5IjezJckOyLb172+oEFZ0TORX3iSHWIwjkdLv/kcH5hUDrph:sQKV1MyVckOG12TGX1HxwjkVnDhI+HS

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

554ea8dd0b5c858d3ef3c4fdd0203c478320d6a6f616b5341e94a43a946185f7.exe

Resource

win7-20220812-en

windows7-x64

0 signatures

150 seconds

Behavioral task

behavioral2

Sample

554ea8dd0b5c858d3ef3c4fdd0203c478320d6a6f616b5341e94a43a946185f7.exe

Resource

win10v2004-20220812-en

joker evasion infostealer persistence trojan

windows10-2004-x64

17 signatures

150 seconds

Malware Config

Targets

- Target
  
  554ea8dd0b5c858d3ef3c4fdd0203c478320d6a6f616b5341e94a43a946185f7
- Size
  
  54KB
- MD5
  
  93c6f20dd0a3d06f910526dc04c87587
- SHA1
  
  77557d5dc3405bb68a9ca22dbd4693f17d0e3b46
- SHA256
  
  554ea8dd0b5c858d3ef3c4fdd0203c478320d6a6f616b5341e94a43a946185f7
- SHA512
  
  452c17c072da8a424a85af0724117defc04e4d40f61a4aef52570e23cdcb7df8374ce6e6ab24872d2fd6f914dac58d44e0c40fe6abaec76c6f13244c470988ee
- SSDEEP
  
  768:sVKm4GV4ujtuYgFC5IjezJckOyLb172+oEFZ0TORX3iSHWIwjkdLv/kcH5hUDrph:sQKV1MyVckOG12TGX1HxwjkVnDhI+HS
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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