General

  • Target

    5cd06f4bdfb8cb137f9a2aae8abd3253

  • Size

    273KB

  • Sample

    240115-l8dadadhbm

  • MD5

    5cd06f4bdfb8cb137f9a2aae8abd3253

  • SHA1

    aedc15d5b30fd14e289f42eabf64bb0ba4815877

  • SHA256

    e96f083ab18199d6a745b0fb3a8852b863b94a906664570198c8277abe4195c6

  • SHA512

    84ce50986e9eb5940dc09e42339c122809f698d63264bffd924fc3b9f96353ba37918c2094031a711462a5cebb5691916cf26775ab67e7c2f2d4b5539e928c2e

  • SSDEEP

    6144:5f3JE8LYFX8H5vSqTZUoe1XkwncZL4xZpHFn2:lJHQX8H5NTZUoeCwaGl2

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

      5cd06f4bdfb8cb137f9a2aae8abd3253

    • Size

      273KB

    • MD5

      5cd06f4bdfb8cb137f9a2aae8abd3253

    • SHA1

      aedc15d5b30fd14e289f42eabf64bb0ba4815877

    • SHA256

      e96f083ab18199d6a745b0fb3a8852b863b94a906664570198c8277abe4195c6

    • SHA512

      84ce50986e9eb5940dc09e42339c122809f698d63264bffd924fc3b9f96353ba37918c2094031a711462a5cebb5691916cf26775ab67e7c2f2d4b5539e928c2e

    • SSDEEP

      6144:5f3JE8LYFX8H5vSqTZUoe1XkwncZL4xZpHFn2:lJHQX8H5NTZUoeCwaGl2

    • 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