Overview

overview

10

Static

static

1

2af4e6b031...72.exe

windows7-x64

10

2af4e6b031...72.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2af4e6b031c848337c9ecc26b07d888d6a37964137125cad1475fc646adcee72

  • Size

    817KB

  • Sample

    230206-ntjjysha4w

  • MD5

    ca294a7cd41349c52db4336d3dd4d9a7

  • SHA1

    b657c74a81c2c5c7729c2128bcd66da89f95afd1

  • SHA256

    2af4e6b031c848337c9ecc26b07d888d6a37964137125cad1475fc646adcee72

  • SHA512

    e8a1a3e904691043ff329253f7d93a095f0cac877ff1c56776373b623e4dd47902f2c0dd39ae35150eeb180b3250e3da9bf6ee5b5e0e92530aa72d3f9716853b

  • SSDEEP

    12288:rzHSwv6XXvvYRVb8UBrbGDKWEyxhXRHZr8PB+guORV4kb:yY6XXIRV/OKWEyBHZr8PQgNzn

Score
10/10
guloaderdiscoverydownloaderpersistence

Malware Config

Targets

    • Target

      2af4e6b031c848337c9ecc26b07d888d6a37964137125cad1475fc646adcee72

    • Size

      817KB

    • MD5

      ca294a7cd41349c52db4336d3dd4d9a7

    • SHA1

      b657c74a81c2c5c7729c2128bcd66da89f95afd1

    • SHA256

      2af4e6b031c848337c9ecc26b07d888d6a37964137125cad1475fc646adcee72

    • SHA512

      e8a1a3e904691043ff329253f7d93a095f0cac877ff1c56776373b623e4dd47902f2c0dd39ae35150eeb180b3250e3da9bf6ee5b5e0e92530aa72d3f9716853b

    • SSDEEP

      12288:rzHSwv6XXvvYRVb8UBrbGDKWEyxhXRHZr8PB+guORV4kb:yY6XXIRV/OKWEyBHZr8PQgNzn

    Score
    10/10
    guloaderdiscoverydownloaderpersistence

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks