Overview

overview

10

Static

static

a1650ae10f...63.exe

windows7-x64

10

a1650ae10f...63.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a1650ae10f6d11c084fad9e3b1a17247eadd417f6343dec8a999c1c323eaf163

  • Size

    680KB

  • Sample

    221123-xlrp2aad4s

  • MD5

    2ce13b8500b10591a8e5842f6ec6b6c2

  • SHA1

    6dc3ed9a7a294f1dc938826d0ed24b00c30bbd50

  • SHA256

    a1650ae10f6d11c084fad9e3b1a17247eadd417f6343dec8a999c1c323eaf163

  • SHA512

    2ff4855b63b80fcd12aa43c10457811933579f265ff8a970d9c27a74256b0a018366cff89153a0ad87db4d758855f6a8611a1df536e9448ca14c9ef509cf3f9a

  • SSDEEP

    12288:7ClephVMo7IYJAB++2RrxRAjbeNC2v+clES+vYOqH:mOhKpYyB/MrxRAZMES+b+

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      a1650ae10f6d11c084fad9e3b1a17247eadd417f6343dec8a999c1c323eaf163

    • Size

      680KB

    • MD5

      2ce13b8500b10591a8e5842f6ec6b6c2

    • SHA1

      6dc3ed9a7a294f1dc938826d0ed24b00c30bbd50

    • SHA256

      a1650ae10f6d11c084fad9e3b1a17247eadd417f6343dec8a999c1c323eaf163

    • SHA512

      2ff4855b63b80fcd12aa43c10457811933579f265ff8a970d9c27a74256b0a018366cff89153a0ad87db4d758855f6a8611a1df536e9448ca14c9ef509cf3f9a

    • SSDEEP

      12288:7ClephVMo7IYJAB++2RrxRAjbeNC2v+clES+vYOqH:mOhKpYyB/MrxRAZMES+b+

    Score
    10/10
    evasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Drops file in Drivers directory

    • 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

    • Drops desktop.ini file(s)

    • 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

Modify Existing Service

1
T1031

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

5
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