Overview

overview

10

Static

static

c3a398e4a5...81.exe

windows7-x64

10

c3a398e4a5...81.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c3a398e4a5516d491112f89da40ba97b37da2200330f87b0915491e2685b9f81

  • Size

    112KB

  • Sample

    221002-2kyjeafbdr

  • MD5

    07965587f1d449b7b05a88badab7a081

  • SHA1

    be299d393e44014840bb2e049f5758707ddd4a0f

  • SHA256

    c3a398e4a5516d491112f89da40ba97b37da2200330f87b0915491e2685b9f81

  • SHA512

    087ec70d27cb5242cbfbfd1682c6f24ac7862d1a8895de5535bb9615f4e5dadcd8174f5c53bc9715477e01dbcb0d56c8d4314b40352648749483decb9ac96c72

  • SSDEEP

    3072:OJHk2uC7YdHlFqa65fLVuhziN7WMduPvKX:Ou1qYdlFqa6Vxje2

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      c3a398e4a5516d491112f89da40ba97b37da2200330f87b0915491e2685b9f81

    • Size

      112KB

    • MD5

      07965587f1d449b7b05a88badab7a081

    • SHA1

      be299d393e44014840bb2e049f5758707ddd4a0f

    • SHA256

      c3a398e4a5516d491112f89da40ba97b37da2200330f87b0915491e2685b9f81

    • SHA512

      087ec70d27cb5242cbfbfd1682c6f24ac7862d1a8895de5535bb9615f4e5dadcd8174f5c53bc9715477e01dbcb0d56c8d4314b40352648749483decb9ac96c72

    • SSDEEP

      3072:OJHk2uC7YdHlFqa65fLVuhziN7WMduPvKX:Ou1qYdlFqa6Vxje2

    Score
    10/10
    evasionpersistence

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

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

    • Drops autorun.inf file

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Tasks