Overview

overview

10

Static

static

ff99b713ff...d1.exe

windows7-x64

10

ff99b713ff...d1.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    ff99b713ffc931111d7803a2496de3f0bc72bf8098dd5b5519e1667475ed87d1

  • Size

    159KB

  • Sample

    221002-2k66jsdfh8

  • MD5

    6754c8c3feb07ad3fac39b325ee86cfe

  • SHA1

    146e9837b3b46eb3c65dc9d01e41c875f6656118

  • SHA256

    ff99b713ffc931111d7803a2496de3f0bc72bf8098dd5b5519e1667475ed87d1

  • SHA512

    164e11aee1713b59fcd3ed3466424237054028dd1eca5e2eb19d5e866d46cbab0516943f398c5c1f241fa402cb808ef7eddfc36fc776d2a6505d6fb1cc43d585

  • SSDEEP

    3072:3uO6383Ufbn2Ccbzz347Qq0VNwnv4dmvor6T/u:+O6MEfbn2CWnKX2q4dWTm

Score
10/10
evasionpersistence

Malware Config

Targets

    • Target

      ff99b713ffc931111d7803a2496de3f0bc72bf8098dd5b5519e1667475ed87d1

    • Size

      159KB

    • MD5

      6754c8c3feb07ad3fac39b325ee86cfe

    • SHA1

      146e9837b3b46eb3c65dc9d01e41c875f6656118

    • SHA256

      ff99b713ffc931111d7803a2496de3f0bc72bf8098dd5b5519e1667475ed87d1

    • SHA512

      164e11aee1713b59fcd3ed3466424237054028dd1eca5e2eb19d5e866d46cbab0516943f398c5c1f241fa402cb808ef7eddfc36fc776d2a6505d6fb1cc43d585

    • SSDEEP

      3072:3uO6383Ufbn2Ccbzz347Qq0VNwnv4dmvor6T/u:+O6MEfbn2CWnKX2q4dWTm

    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