Overview

overview

10

Static

static

10

Femmeware_v0_1_1.exe

windows7-x64

7

Femmeware_v0_1_1.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    Femmeware_v0_1_1.exe

  • Size

    512.2MB

  • Sample

    240430-vavw7sba5y

  • MD5

    5fb86988f1c72558edcda6ba673ad4a0

  • SHA1

    1e0bcff62d7aae5890195d37188cff24dc00980c

  • SHA256

    a4333d3ae7dc446f6f55f8d990092e2699d466314e90668041b8216da60254dc

  • SHA512

    abcdabd1ffb2a31066334d05360295525393b57fe0725596539d7bb39e1169e4419c2292ea2ecbdd605b967fad93791226d739c5125f21dac11fa21bf52a706b

  • SSDEEP

    12582912:Fbz4DBfU4BRU5MfKxxwK0mi1bg5ZMB7WKEbq:Fbz4DBfU4nU5MSnV0mia5yB7FEq

Score
10/10
privateloadervidarcryptonepackerpersistenceransomware

Malware Config

Targets

    • Target

      Femmeware_v0_1_1.exe

    • Size

      512.2MB

    • MD5

      5fb86988f1c72558edcda6ba673ad4a0

    • SHA1

      1e0bcff62d7aae5890195d37188cff24dc00980c

    • SHA256

      a4333d3ae7dc446f6f55f8d990092e2699d466314e90668041b8216da60254dc

    • SHA512

      abcdabd1ffb2a31066334d05360295525393b57fe0725596539d7bb39e1169e4419c2292ea2ecbdd605b967fad93791226d739c5125f21dac11fa21bf52a706b

    • SSDEEP

      12582912:Fbz4DBfU4BRU5MfKxxwK0mi1bg5ZMB7WKEbq:Fbz4DBfU4nU5MSnV0mia5yB7FEq

    Score
    8/10
    persistenceransomware

    • Modifies Installed Components in the registry

      persistence

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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.

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Modify Registry

4
T1112

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

2
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Resource Development

Reconnaissance

Tasks