joker | 589bc94cdc57903318d61d2f63fe9b90fa448af2f2fce71dc352fb8ef12916a9 | Triage

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Overview

overview

Static

static

589bc94cdc...a9.exe

windows7-x64

8

589bc94cdc...a9.exe

windows10-2004-x64

Sharing

General

Target

589bc94cdc57903318d61d2f63fe9b90fa448af2f2fce71dc352fb8ef12916a9
Size

74KB
Sample

221019-thhq6sfbgr
MD5

90f1387a390e2cc443a1df898f863f90
SHA1

e225943018d86801be6a62483b7c55d33ef0428d
SHA256

589bc94cdc57903318d61d2f63fe9b90fa448af2f2fce71dc352fb8ef12916a9
SHA512

f898a756da01379718c635cf3333344bdf3beeb7bb370eea6f7583bf08dfdaaf33f59a9e9f7e1b6f7bce8e7017124774c84a12a19ab1edd7be945a741d38be46
SSDEEP

1536:cpeGYbmuaka3H0/sVJsyBgiXYuieehkp2KdNlpQquU+u:1bmSaasrjBT0Kcbu

Score

10^/10

joker evasion infostealer persistence trojan

Static task

static1

Behavioral task

behavioral1

Sample

589bc94cdc57903318d61d2f63fe9b90fa448af2f2fce71dc352fb8ef12916a9.exe

Resource

win7-20220901-en

windows7-x64

12 signatures

150 seconds

Behavioral task

behavioral2

Sample

589bc94cdc57903318d61d2f63fe9b90fa448af2f2fce71dc352fb8ef12916a9.exe

Resource

win10v2004-20220901-en

joker evasion infostealer persistence trojan

windows10-2004-x64

20 signatures

150 seconds

Malware Config

Targets

- Target
  
  589bc94cdc57903318d61d2f63fe9b90fa448af2f2fce71dc352fb8ef12916a9
- Size
  
  74KB
- MD5
  
  90f1387a390e2cc443a1df898f863f90
- SHA1
  
  e225943018d86801be6a62483b7c55d33ef0428d
- SHA256
  
  589bc94cdc57903318d61d2f63fe9b90fa448af2f2fce71dc352fb8ef12916a9
- SHA512
  
  f898a756da01379718c635cf3333344bdf3beeb7bb370eea6f7583bf08dfdaaf33f59a9e9f7e1b6f7bce8e7017124774c84a12a19ab1edd7be945a741d38be46
- SSDEEP
  
  1536:cpeGYbmuaka3H0/sVJsyBgiXYuieehkp2KdNlpQquU+u:1bmSaasrjBT0Kcbu
Score

10^/10

evasion joker 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.
- Loads dropped DLL
- 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

Install Root Certificate

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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