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Overview

overview

10

Static

static

3

f7e5d3a6f4...18.exe

windows7-x64

10

f7e5d3a6f4...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    142s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/12/2024, 07:18

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General

  • Target

    f7e5d3a6f40f0b4dda88339bb747a42a_JaffaCakes118.exe

  • Size

    4.1MB

  • MD5

    f7e5d3a6f40f0b4dda88339bb747a42a

  • SHA1

    81960922bffb390045a5c077ff7fbc4049baadc5

  • SHA256

    ab23a2725f117deffca18a60403011d4a6d4cedc6650fa4ed09e032c8fc4a96b

  • SHA512

    b2defb921bf4d9a45bb57d5d42a6d1e8ca77385090d926cdc3f868a19d4073b9061e782ab086a3acb4cc572d5a2d0b970f8713e4562af249c3deeee1db7cbbec

  • SSDEEP

    98304:EbD1w+q+/JsehHrh5BkQzU/bnzcqU5EL1qh4B7M:SDGqJselSgezch58qhS7

Score
10/10
gluptebadiscoverydropperevasionloaderpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • Glupteba

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

    loaderdropperglupteba
  • Glupteba family
    glupteba
  • Glupteba payload 14 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
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7e5d3a6f40f0b4dda88339bb747a42a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f7e5d3a6f40f0b4dda88339bb747a42a_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2624
    • C:\Users\Admin\AppData\Local\Temp\f7e5d3a6f40f0b4dda88339bb747a42a_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f7e5d3a6f40f0b4dda88339bb747a42a_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
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2456
      • 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:988
        • 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
          • Event Triggered Execution: Netsh Helper DLL
          • Modifies data under HKEY_USERS
          PID:580
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe ""
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Modifies system certificate store
        PID:840
  • C:\Windows\system32\makecab.exe
    "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20241216071821.log C:\Windows\Logs\CBS\CbsPersist_20241216071821.cab
    1⤵
    • Drops file in Windows directory
    PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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

    Download Submit

  • C:\Windows\Temp\Tar151B.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    Download Submit

  • \Windows\rss\csrss.exe
    Filesize

    4.1MB

    MD5

    f7e5d3a6f40f0b4dda88339bb747a42a

    SHA1

    81960922bffb390045a5c077ff7fbc4049baadc5

    SHA256

    ab23a2725f117deffca18a60403011d4a6d4cedc6650fa4ed09e032c8fc4a96b

    SHA512

    b2defb921bf4d9a45bb57d5d42a6d1e8ca77385090d926cdc3f868a19d4073b9061e782ab086a3acb4cc572d5a2d0b970f8713e4562af249c3deeee1db7cbbec

    Download Submit

  • memory/840-73-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/840-77-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/840-75-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/840-78-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/840-72-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/840-79-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/840-18-0x00000000027D0000-0x0000000002BBC000-memory.dmp

    Filesize

    3.9MB

    Download

  • memory/840-71-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/840-24-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/840-34-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/840-80-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2456-19-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2456-8-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2456-7-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2456-4-0x0000000002600000-0x00000000029EC000-memory.dmp

    Filesize

    3.9MB

    Download

  • memory/2624-0-0x0000000002680000-0x0000000002A6C000-memory.dmp

    Filesize

    3.9MB

    Download

  • memory/2624-6-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2624-5-0x0000000002680000-0x0000000002A6C000-memory.dmp

    Filesize

    3.9MB

    Download

  • memory/2624-2-0x0000000000400000-0x00000000009A9000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2624-1-0x0000000002680000-0x0000000002A6C000-memory.dmp

    Filesize

    3.9MB

    Download