Overview

overview

9

Static

static

chat_65454...om.exe

windows7_x64

9

chat_65454...om.exe

windows10_x64

9

Sharing

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General

  • Target

    chat_6545481_201123.rar

  • Size

    2.7MB

  • Sample

    201125-6l4e8nmzr2

  • MD5

    bc33080d570671a13fdea28648747af6

  • SHA1

    b5ca30cc0e200671b00c0249f40880ea0edcfdd3

  • SHA256

    ed11d318d94e524bca282505a63b76c3bb70d698e5d76de6ced2fca4b864056f

  • SHA512

    3d68e17f9f6813ac8e45221a14d0d205ac211e4191e3ab22c1700328042184a390e5a0f457814a31268b470cb130da673977d8d9e61980d8bce7e523ffe8fe6e

Score
9/10
evasionupx

Malware Config

Targets

    • Target

      chat_6545481_201123@V.com

    • Size

      4.6MB

    • MD5

      99186afb28d61f17962f7bacb915d86e

    • SHA1

      290012a72cc40208f4158a953a69ef615a90fad4

    • SHA256

      86c5536119bac3ce1fdcb3c5661b44398b3cab23925ea5e456b16801abc75108

    • SHA512

      5d37f1ba74aaf90457ce59bbdbbd883ef7e48fbe02d7c0165a556ee87b992ff59cf5be760556009fcae70fd2f47bac6ade5ae60bd25b7f6be788b54ee81aff02

    Score
    9/10
    evasionupx

    • Enumerates VirtualBox registry keys

      evasion

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Process Discovery

1
T1057

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks