Overview

overview

10

Static

static

4c2a0e9839...93.exe

windows7-x64

10

4c2a0e9839...93.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4c2a0e98391ca974ba6e7bf7d1b8f9a0ff557410e24bb329d2ec72c270a3bf93

  • Size

    159KB

  • Sample

    221002-2k7r3sfber

  • MD5

    6e44262671789c7e6adf60ec83115024

  • SHA1

    fdae578c8f3d122f65452d0ce838276ce1612d59

  • SHA256

    4c2a0e98391ca974ba6e7bf7d1b8f9a0ff557410e24bb329d2ec72c270a3bf93

  • SHA512

    45970f38a6070c112ccc3006aa2968fff44be7f3c333da6f5403d7f336e3ebf4b3165fb011680cd2ee8409d9f01e117f431e622dd9f788553e4942ed10a39430

  • SSDEEP

    3072:jO4F+pRFbjYjUrkZq0VNwnv4dmvor6NU:a4F+/VWUrZ2q4dWu

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      4c2a0e98391ca974ba6e7bf7d1b8f9a0ff557410e24bb329d2ec72c270a3bf93

    • Size

      159KB

    • MD5

      6e44262671789c7e6adf60ec83115024

    • SHA1

      fdae578c8f3d122f65452d0ce838276ce1612d59

    • SHA256

      4c2a0e98391ca974ba6e7bf7d1b8f9a0ff557410e24bb329d2ec72c270a3bf93

    • SHA512

      45970f38a6070c112ccc3006aa2968fff44be7f3c333da6f5403d7f336e3ebf4b3165fb011680cd2ee8409d9f01e117f431e622dd9f788553e4942ed10a39430

    • SSDEEP

      3072:jO4F+pRFbjYjUrkZq0VNwnv4dmvor6NU:a4F+/VWUrZ2q4dWu

    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