Overview

overview

10

Static

static

2564dc9cc2...f6.exe

windows7-x64

10

2564dc9cc2...f6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2564dc9cc2fc2970439e45ee9221f9cec8445affe28ceadbc84d0c25f759a7f6

  • Size

    508KB

  • Sample

    221123-z6e8vahf4y

  • MD5

    0a2c797846a7aea2ad8b0ce9c31150a7

  • SHA1

    9855b6a94bed2b700958a260a129d2fb6cf3cbbd

  • SHA256

    2564dc9cc2fc2970439e45ee9221f9cec8445affe28ceadbc84d0c25f759a7f6

  • SHA512

    6c817ed800d537fc836b307b3c4cdb40991d920811796c5076b0c503fb8283fb3c099ebdc69d0838f4bdea0d898bc31f6e7921637010370cbd11cf1ac9f20a06

  • SSDEEP

    6144:73xV7htOfFiktSdWyKYAWFCbW7LYxLk+4MGT+N50cIXv+1coDdkozx3pypmlNH9J:73xxPuFVtSdWJsuWXLGMvxsltRok/Gy

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      2564dc9cc2fc2970439e45ee9221f9cec8445affe28ceadbc84d0c25f759a7f6

    • Size

      508KB

    • MD5

      0a2c797846a7aea2ad8b0ce9c31150a7

    • SHA1

      9855b6a94bed2b700958a260a129d2fb6cf3cbbd

    • SHA256

      2564dc9cc2fc2970439e45ee9221f9cec8445affe28ceadbc84d0c25f759a7f6

    • SHA512

      6c817ed800d537fc836b307b3c4cdb40991d920811796c5076b0c503fb8283fb3c099ebdc69d0838f4bdea0d898bc31f6e7921637010370cbd11cf1ac9f20a06

    • SSDEEP

      6144:73xV7htOfFiktSdWyKYAWFCbW7LYxLk+4MGT+N50cIXv+1coDdkozx3pypmlNH9J:73xxPuFVtSdWJsuWXLGMvxsltRok/Gy

    Score
    10/10
    evasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

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

    • 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

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks