Overview

overview

10

Static

static

4ab481b5ae...87.exe

windows7_x64

10

4ab481b5ae...87.exe

windows10_x64

10

Sharing

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General

  • Target

    4ab481b5ae2542981fdd1dad55adb17109edc524fb98a4d6eca9b1606b532587

  • Size

    140KB

  • Sample

    210511-zwz2f461d2

  • MD5

    fe90400d46ad55cefd7a6c07384c3500

  • SHA1

    ee5bd4145848975240f475a1e516ce587085a72a

  • SHA256

    4ab481b5ae2542981fdd1dad55adb17109edc524fb98a4d6eca9b1606b532587

  • SHA512

    809763b01f6546ac08f9927ffff9178351802b41271727e37b74c12163542767254d5e3de269be02c6c8e4efcdf2b94f94105f2d478b695355c96f3ea64d6067

Score
10/10
guloaderdownloaderguloader

Malware Config

Extracted

Family

guloader

C2

https://www.mediafire.com/file/bg09a2z8p0ojruh/origin_dwqUQLYCkO21.bin/file

xor.base64

Targets

    • Target

      4ab481b5ae2542981fdd1dad55adb17109edc524fb98a4d6eca9b1606b532587

    • Size

      140KB

    • MD5

      fe90400d46ad55cefd7a6c07384c3500

    • SHA1

      ee5bd4145848975240f475a1e516ce587085a72a

    • SHA256

      4ab481b5ae2542981fdd1dad55adb17109edc524fb98a4d6eca9b1606b532587

    • SHA512

      809763b01f6546ac08f9927ffff9178351802b41271727e37b74c12163542767254d5e3de269be02c6c8e4efcdf2b94f94105f2d478b695355c96f3ea64d6067

    Score
    10/10
    guloaderdownloaderguloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Guloader Payload

      guloader

    • Checks QEMU agent state file

      Checks state file used by QEMU agent, possibly to detect virtualization.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

1
T1012

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks