General

  • Target

    5d58da25064cdf94191aa28b925cc807

  • Size

    272KB

  • Sample

    240115-r3z5vahgdl

  • MD5

    5d58da25064cdf94191aa28b925cc807

  • SHA1

    a9b88bac9c6205a722a191fd36a4789e8b74d646

  • SHA256

    3cf5e573757ea3f76cc15ca0efb4b9bdd6e089d7448288cfc1f18435c4939ba0

  • SHA512

    a92e204958c3f6af0ebd7d6ee98c7ac9d3f09c998796ec82915888cbe11c517adbc118ca3f737eec782b8d6d0c4ca22a44d8adb44f69aa3979130614dca15682

  • SSDEEP

    6144:PYb49G5rSyann0uxxPpVzK3m72P01ESTovddXg8U6mq:yp5rSXndxxPpVymbNovw9T

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32
rc4.i32

Extracted

Family

gozi

Targets

    • Target

      5d58da25064cdf94191aa28b925cc807

    • Size

      272KB

    • MD5

      5d58da25064cdf94191aa28b925cc807

    • SHA1

      a9b88bac9c6205a722a191fd36a4789e8b74d646

    • SHA256

      3cf5e573757ea3f76cc15ca0efb4b9bdd6e089d7448288cfc1f18435c4939ba0

    • SHA512

      a92e204958c3f6af0ebd7d6ee98c7ac9d3f09c998796ec82915888cbe11c517adbc118ca3f737eec782b8d6d0c4ca22a44d8adb44f69aa3979130614dca15682

    • SSDEEP

      6144:PYb49G5rSyann0uxxPpVzK3m72P01ESTovddXg8U6mq:yp5rSXndxxPpVymbNovw9T

    • BetaBot

      Beta Bot is a Trojan that infects computers and disables Antivirus.

    • Gozi

      Gozi is a well-known and widely distributed banking trojan.

    • Modifies firewall policy service

    • Modifies security service

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Disables taskbar notifications via registry modification

    • Disables use of System Restore points

    • Sets file execution options in registry

    • Sets service image path in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

3
T1547

Registry Run Keys / Startup Folder

3
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

8
T1112

Discovery

Query Registry

6
T1012

System Information Discovery

7
T1082

Software Discovery

1
T1518

Security Software Discovery

1
T1518.001

Peripheral Device Discovery

1
T1120

Impact

Inhibit System Recovery

1
T1490

Tasks