General

  • Target

    722f80be3e3718bacd7d7904119cc26b

  • Size

    175KB

  • Sample

    240124-n6zrpshgc2

  • MD5

    722f80be3e3718bacd7d7904119cc26b

  • SHA1

    8202f1ca6689f7ab989e53c109e1787cb006d1a6

  • SHA256

    5f04dc40d7308827696d57f1ced42d25039e17dc715b7714912bbe6d17fa8cdf

  • SHA512

    8bf3587c7515a7799195124a20a99b7b9094906ef74923c0cec4f788ef84e40effa20a6f08b2f95e826ddd6b0db9088fb87359775c1b6347b5718bd33d12246e

  • SSDEEP

    3072:3XXsPJjFQ1GFSkplZo99m+51683Tm7uxnPG2vHOV:3HsNK1GMelZo991DaubfO

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

      722f80be3e3718bacd7d7904119cc26b

    • Size

      175KB

    • MD5

      722f80be3e3718bacd7d7904119cc26b

    • SHA1

      8202f1ca6689f7ab989e53c109e1787cb006d1a6

    • SHA256

      5f04dc40d7308827696d57f1ced42d25039e17dc715b7714912bbe6d17fa8cdf

    • SHA512

      8bf3587c7515a7799195124a20a99b7b9094906ef74923c0cec4f788ef84e40effa20a6f08b2f95e826ddd6b0db9088fb87359775c1b6347b5718bd33d12246e

    • SSDEEP

      3072:3XXsPJjFQ1GFSkplZo99m+51683Tm7uxnPG2vHOV:3HsNK1GMelZo991DaubfO

    • 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