Overview

overview

10

Static

static

10

9327d8a117...18.exe

windows7-x64

10

9327d8a117...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    118s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-06-2024 00:38

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General

  • Target

    9327d8a117e01b69e61a7690fed88818_JaffaCakes118.exe

  • Size

    6.9MB

  • MD5

    9327d8a117e01b69e61a7690fed88818

  • SHA1

    394ab8c6728e2ffa1381e6afe3e52d15d44c6965

  • SHA256

    b7691c583984fe210bbc5ce7291dd2a80dd969d7b33e25863c99311303febbc3

  • SHA512

    b58962e98750064aa16e738b81ac76c39206ae6bb65c9ddf01a6cdd5bd2d979522bbb7a61544efe87ec0d6475965206d57459961214848d020acab25f113c47d

  • SSDEEP

    98304:aQ8/Py9frbxvXKKkGxTVhG2+9Mpq6vQt/Ibt1YcyDgs:L8nylrZtjG9MpqINns

Score
10/10
gluptebadropperevasionloaderpersistencetrojan

Malware Config

Signatures

  • Glupteba

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

    loaderdropperglupteba
  • Glupteba payload 1 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
    evasiontrojan
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Executes dropped EXE 1 IoCs
  • 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 System32 directory 4 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 3 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9327d8a117e01b69e61a7690fed88818_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9327d8a117e01b69e61a7690fed88818_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\9327d8a117e01b69e61a7690fed88818_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\9327d8a117e01b69e61a7690fed88818_JaffaCakes118.exe"
      2⤵
      • Windows security bypass
      • Loads dropped DLL
      • Windows security modification
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2704
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2548
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Modifies data under HKEY_USERS
          PID:2460
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe ""
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        PID:2596
  • C:\Windows\system32\makecab.exe
    "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20240604003823.log C:\Windows\Logs\CBS\CbsPersist_20240604003823.cab
    1⤵
    • Drops file in Windows directory
    PID:2572

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

3
T1562

Disable or Modify Tools

2
T1562.001

Disable or Modify System Firewall

1
T1562.004

Modify Registry

3
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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  • C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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  • C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
    Filesize

    242B

    MD5

    8cd3bf979e98487ac76d472b08bd5d1e

    SHA1

    a9eeb0112033c1331304b5737d83b1627166014b

    SHA256

    ef3b12fd84ef020841d356b90ebcaedfee297f4d3882b2e316fcbb5adc827251

    SHA512

    0a89fba5a72610f4d4a9eee1a7635f1a7dd4832e3ba5101be6d9342b979bc0fec8fa2277f0559818de76d62ff187288b10fe7ab9e4b676dd8d527d5b023cb875

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  • C:\Windows\Temp\Tar51AE.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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  • \Windows\rss\csrss.exe
    Filesize

    6.9MB

    MD5

    9327d8a117e01b69e61a7690fed88818

    SHA1

    394ab8c6728e2ffa1381e6afe3e52d15d44c6965

    SHA256

    b7691c583984fe210bbc5ce7291dd2a80dd969d7b33e25863c99311303febbc3

    SHA512

    b58962e98750064aa16e738b81ac76c39206ae6bb65c9ddf01a6cdd5bd2d979522bbb7a61544efe87ec0d6475965206d57459961214848d020acab25f113c47d

    Download Submit