Overview

overview

10

Static

static

2fa935884b...35.exe

windows7-x64

10

2fa935884b...35.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2fa935884bbdef3afe3c59ba894b93a087fea7c56af02ab0c831a6f581031f35

  • Size

    544KB

  • Sample

    221128-sdmc5aca37

  • MD5

    e038a0d251bb672af6506aeb420f2388

  • SHA1

    0f085d0385eb58fe0126cef171e3bfcfb2fd25bf

  • SHA256

    2fa935884bbdef3afe3c59ba894b93a087fea7c56af02ab0c831a6f581031f35

  • SHA512

    05ba101950b87331bf0646346202e507a7eaab19c8b4f8982ba43798366669a397149e32e3d5776f6b52d04e89f9df6af0ad3bfd299fb9e967941a5de98f170a

  • SSDEEP

    12288:9R1cL/pzrkTj+3B6P0M4e5iVs3kkG6FD:X1ctzrk41pe5i0kkG6

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      2fa935884bbdef3afe3c59ba894b93a087fea7c56af02ab0c831a6f581031f35

    • Size

      544KB

    • MD5

      e038a0d251bb672af6506aeb420f2388

    • SHA1

      0f085d0385eb58fe0126cef171e3bfcfb2fd25bf

    • SHA256

      2fa935884bbdef3afe3c59ba894b93a087fea7c56af02ab0c831a6f581031f35

    • SHA512

      05ba101950b87331bf0646346202e507a7eaab19c8b4f8982ba43798366669a397149e32e3d5776f6b52d04e89f9df6af0ad3bfd299fb9e967941a5de98f170a

    • SSDEEP

      12288:9R1cL/pzrkTj+3B6P0M4e5iVs3kkG6FD:X1ctzrk41pe5i0kkG6

    Score
    10/10
    evasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Executes dropped EXE

    • Sets file execution options in registry

      persistence

    • Checks computer location settings

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

    • Loads dropped DLL

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Hidden Files and Directories

1
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks