Overview

overview

10

Static

static

5

f3ac9b8dee...91.exe

windows7-x64

10

f3ac9b8dee...91.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691

  • Size

    923KB

  • Sample

    221124-btxqcsdb5z

  • MD5

    3c105635371528e1027593857051e4d6

  • SHA1

    d14d696e1989294cd89937b377780a30f9b1eb76

  • SHA256

    f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691

  • SHA512

    28c76cdb0d2b12d62cee0941b0aa080e27f7628a8f9c0d0b077c4a62effe46f4e35d6888f2fd221042ebee3e13447f65da9fd0cea0fa049cc9087bdb557c2a5b

  • SSDEEP

    6144:mpqoa8aLKC/2OLSAN7gNVpNleQUohBfGPOtQciXeL/XYqGlebojSP2pjNhcAYnCP:mpqKC/2OGAtkCP4cejGSOpRK3CnIiv

Score
10/10
persistence

Malware Config

Targets

    • Target

      f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691

    • Size

      923KB

    • MD5

      3c105635371528e1027593857051e4d6

    • SHA1

      d14d696e1989294cd89937b377780a30f9b1eb76

    • SHA256

      f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691

    • SHA512

      28c76cdb0d2b12d62cee0941b0aa080e27f7628a8f9c0d0b077c4a62effe46f4e35d6888f2fd221042ebee3e13447f65da9fd0cea0fa049cc9087bdb557c2a5b

    • SSDEEP

      6144:mpqoa8aLKC/2OLSAN7gNVpNleQUohBfGPOtQciXeL/XYqGlebojSP2pjNhcAYnCP:mpqKC/2OGAtkCP4cejGSOpRK3CnIiv

    Score
    10/10
    persistence

    • Modifies WinLogon for persistence

      persistence

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

4
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Tasks