Overview

overview

10

Static

static

491ebb5503...c7.exe

windows7_x64

10

491ebb5503...c7.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    89s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 19:48

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General

  • Target

    491ebb5503b8c775001c514f3e07a368cb59c8955262e7423f1347bc836414c7.exe

  • Size

    3.8MB

  • MD5

    9123f319c3564a94e30c1d9476ae299d

  • SHA1

    29297f78a72d860abe5aa31999d36a8dfe7324bc

  • SHA256

    491ebb5503b8c775001c514f3e07a368cb59c8955262e7423f1347bc836414c7

  • SHA512

    159ce7aaf5cd7ddf6da8d5c206867463fb4cca059ea1463f932183d7070bf23a60afee9390716ed1af788d1b0c7465ad5d4fad8dd59a688d98b9b5975deac557

Score
10/10
gluptebadropperevasionloaderpersistencetrojan

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

    loaderdropperglupteba
  • Glupteba Payload 3 IoCs
  • Windows security bypass 2 TTPs
    evasiontrojan
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 12 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in Windows directory 3 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\491ebb5503b8c775001c514f3e07a368cb59c8955262e7423f1347bc836414c7.exe
    "C:\Users\Admin\AppData\Local\Temp\491ebb5503b8c775001c514f3e07a368cb59c8955262e7423f1347bc836414c7.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:952
    • C:\Users\Admin\AppData\Local\Temp\491ebb5503b8c775001c514f3e07a368cb59c8955262e7423f1347bc836414c7.exe
      "C:\Users\Admin\AppData\Local\Temp\491ebb5503b8c775001c514f3e07a368cb59c8955262e7423f1347bc836414c7.exe"
      2⤵
      • Loads dropped DLL
      • Windows security modification
      • Adds Run key to start application
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\1ad956336ccb\1ad956336ccb\1ad956336ccb.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1900
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\1ad956336ccb\1ad956336ccb\1ad956336ccb.exe" enable=yes
          4⤵
          • Modifies data under HKEY_USERS
          PID:1340
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe ""
        3⤵
        • Executes dropped EXE
        PID:1500
  • C:\Windows\system32\makecab.exe
    "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20220524204319.log C:\Windows\Logs\CBS\CbsPersist_20220524204319.cab
    1⤵
    • Drops file in Windows directory
    PID:1724

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Windows\rss\csrss.exe
    Filesize

    3.8MB

    MD5

    9123f319c3564a94e30c1d9476ae299d

    SHA1

    29297f78a72d860abe5aa31999d36a8dfe7324bc

    SHA256

    491ebb5503b8c775001c514f3e07a368cb59c8955262e7423f1347bc836414c7

    SHA512

    159ce7aaf5cd7ddf6da8d5c206867463fb4cca059ea1463f932183d7070bf23a60afee9390716ed1af788d1b0c7465ad5d4fad8dd59a688d98b9b5975deac557

    Download Submit
  • \Windows\rss\csrss.exe
    Filesize

    3.8MB

    MD5

    9123f319c3564a94e30c1d9476ae299d

    SHA1

    29297f78a72d860abe5aa31999d36a8dfe7324bc

    SHA256

    491ebb5503b8c775001c514f3e07a368cb59c8955262e7423f1347bc836414c7

    SHA512

    159ce7aaf5cd7ddf6da8d5c206867463fb4cca059ea1463f932183d7070bf23a60afee9390716ed1af788d1b0c7465ad5d4fad8dd59a688d98b9b5975deac557

    Download Submit
  • \Windows\rss\csrss.exe
    Filesize

    3.8MB

    MD5

    9123f319c3564a94e30c1d9476ae299d

    SHA1

    29297f78a72d860abe5aa31999d36a8dfe7324bc

    SHA256

    491ebb5503b8c775001c514f3e07a368cb59c8955262e7423f1347bc836414c7

    SHA512

    159ce7aaf5cd7ddf6da8d5c206867463fb4cca059ea1463f932183d7070bf23a60afee9390716ed1af788d1b0c7465ad5d4fad8dd59a688d98b9b5975deac557

    Download Submit
  • memory/952-57-0x0000000000400000-0x0000000001019000-memory.dmp
    Filesize

    12.1MB

    Download
  • memory/952-54-0x00000000013E0000-0x0000000001786000-memory.dmp
    Filesize

    3.6MB

    Download
  • memory/952-56-0x0000000001790000-0x0000000001E85000-memory.dmp
    Filesize

    7.0MB

    Download
  • memory/952-55-0x00000000013E0000-0x0000000001786000-memory.dmp
    Filesize

    3.6MB

    Download
  • memory/1340-60-0x0000000000000000-mapping.dmp
    Download
  • memory/1340-61-0x000007FEFB9F1000-0x000007FEFB9F3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1500-66-0x0000000000000000-mapping.dmp
    Download
  • memory/1716-58-0x0000000001200000-0x00000000015A6000-memory.dmp
    Filesize

    3.6MB

    Download
  • memory/1716-62-0x0000000001200000-0x00000000015A6000-memory.dmp
    Filesize

    3.6MB

    Download
  • memory/1716-64-0x0000000000400000-0x0000000001019000-memory.dmp
    Filesize

    12.1MB

    Download
  • memory/1900-59-0x0000000000000000-mapping.dmp
    Download