Overview

overview

10

Static

static

3

a41d188257...bd.exe

windows7-x64

10

a41d188257...bd.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a41d188257e3be36a9077bb1044680e7f53bef22c1c1dcc0ce650df2b6a8fcbd

  • Size

    112KB

  • Sample

    230805-nh7gmsde5y

  • MD5

    4b4debcb75be0928c8c0a0171f4d2688

  • SHA1

    f062d25c0745ae824353b13a18e6274c8717adea

  • SHA256

    a41d188257e3be36a9077bb1044680e7f53bef22c1c1dcc0ce650df2b6a8fcbd

  • SHA512

    e85d0771dc17a87383230131a9e43465d2acfdf7e4aab9f11eeb6edea7277a5c05f361c25531b0fc1db6b45a27105e75d84512ffe24e043d67618299adb22e35

  • SSDEEP

    1536:thSPfxV40TQees275kgrKHxLdGKc+o0FDHdZ1gIMblSnwKegt8oxgi3Xxb:uPXTYs8pKVdhjFD9zwNXy5

Score
10/10
guloaderdownloaderguloader

Malware Config

Extracted

Family

guloader

C2

https://filebin.net/1xu1936lh9awcx8g/udoka_dBIUNiSj27.bin?t=u1zue6zq

xor.base64

Targets

    • Target

      a41d188257e3be36a9077bb1044680e7f53bef22c1c1dcc0ce650df2b6a8fcbd

    • Size

      112KB

    • MD5

      4b4debcb75be0928c8c0a0171f4d2688

    • SHA1

      f062d25c0745ae824353b13a18e6274c8717adea

    • SHA256

      a41d188257e3be36a9077bb1044680e7f53bef22c1c1dcc0ce650df2b6a8fcbd

    • SHA512

      e85d0771dc17a87383230131a9e43465d2acfdf7e4aab9f11eeb6edea7277a5c05f361c25531b0fc1db6b45a27105e75d84512ffe24e043d67618299adb22e35

    • SSDEEP

      1536:thSPfxV40TQees275kgrKHxLdGKc+o0FDHdZ1gIMblSnwKegt8oxgi3Xxb:uPXTYs8pKVdhjFD9zwNXy5

    Score
    10/10
    guloaderdownloaderguloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Guloader payload

      guloader

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks