glupteba | 556848f1d6b1c534ed925865de31a3d1669aac08d02674fd212762b6a15eaa49

General

Target

0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe
Size

3.9MB
MD5

0c19acdf6bfbf4ee34d547f2fd8b44e2
SHA1

e98b131e5f2ba6e06763061e71e41e3d56f8e845
SHA256

556848f1d6b1c534ed925865de31a3d1669aac08d02674fd212762b6a15eaa49
SHA512

8dde14e02743a994cac8365f43199a152afacdec7467280fd0870803d0cc596e687ad02e847e9a9feddbd4c0a90534947e3daeea8fa066853a93905ec4cd455e
SSDEEP

98304:2AjNSjJHoN/zLo+WEO4mfFhyENOSGkf9Ndq1uALCgCDw5ugUxrwYZSR26eR0UclK:d+HIiEO4mnOS5JsLrujw3eR0r

Score

10^/10

glupteba discovery dropper evasion loader persistence privilege_escalation

Malware Config

Signatures

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

Glupteba payload 6 IoCs

resource	yara_rule
behavioral2/memory/3544-2-0x00000000052A0000-0x0000000005996000-memory.dmp	family_glupteba
behavioral2/memory/3544-3-0x0000000000400000-0x0000000000B10000-memory.dmp	family_glupteba
behavioral2/memory/3544-6-0x0000000000400000-0x0000000000B10000-memory.dmp	family_glupteba
behavioral2/memory/3544-5-0x00000000052A0000-0x0000000005996000-memory.dmp	family_glupteba
behavioral2/memory/3544-4-0x0000000000400000-0x0000000002FC8000-memory.dmp	family_glupteba
behavioral2/memory/2252-13-0x0000000000400000-0x0000000002FC8000-memory.dmp	family_glupteba

Modifies Windows Firewall 2 TTPs 2 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4124	netsh.exe
808	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
3860	csrss.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BillowingGrass = "\"C:\\Windows\\rss\\csrss.exe\""	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe

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.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\rss	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe
File created	C:\Windows\rss\csrss.exe	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

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

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3088	3544	WerFault.exe	80
5076	2252	WerFault.exe	88

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

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3544	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe
3544	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe
2252	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe
2252	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3544	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3544	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 4968	2252	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe	92
PID 2252 wrote to memory of 4968	2252	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe	92
PID 4968 wrote to memory of 4124	4968	cmd.exe	94
PID 4968 wrote to memory of 4124	4968	cmd.exe	94
PID 2252 wrote to memory of 3708	2252	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe	95
PID 2252 wrote to memory of 3708	2252	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe	95
PID 3708 wrote to memory of 808	3708	cmd.exe	97
PID 3708 wrote to memory of 808	3708	cmd.exe	97
PID 2252 wrote to memory of 3860	2252	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe	98
PID 2252 wrote to memory of 3860	2252	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe	98
PID 2252 wrote to memory of 3860	2252	0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3544
- C:\Users\Admin\AppData\Local\Temp\0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0c19acdf6bfbf4ee34d547f2fd8b44e2_JaffaCakes118.exe"
  2⤵
  - 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2252
- - 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:4968
  - - 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
      PID:4124
- - 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\263ab35da202\263ab35da202\263ab35da202.exe" enable=yes"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3708
  - - C:\Windows\system32\netsh.exe
      netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\263ab35da202\263ab35da202\263ab35da202.exe" enable=yes
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      PID:808
- - C:\Windows\rss\csrss.exe
    C:\Windows\rss\csrss.exe ""
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 572
    3⤵
    - Program crash
    PID:5076
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3544 -s 800
  2⤵
  - Program crash
  PID:3088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3544 -ip 3544
1⤵
PID:3456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2252 -ip 2252
1⤵
PID:2476

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

1

T1562

Disable or Modify System Firewall

Modify Registry

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\rss\csrss.exe

Filesize
3.9MB

MD5
0c19acdf6bfbf4ee34d547f2fd8b44e2

SHA1
e98b131e5f2ba6e06763061e71e41e3d56f8e845

SHA256
556848f1d6b1c534ed925865de31a3d1669aac08d02674fd212762b6a15eaa49

SHA512
8dde14e02743a994cac8365f43199a152afacdec7467280fd0870803d0cc596e687ad02e847e9a9feddbd4c0a90534947e3daeea8fa066853a93905ec4cd455e

Download Submit
memory/2252-8-0x0000000000400000-0x0000000002FC8000-memory.dmp

Filesize
43.8MB

Download
memory/2252-13-0x0000000000400000-0x0000000002FC8000-memory.dmp

Filesize
43.8MB

Download
memory/3544-1-0x0000000004EF0000-0x000000000529C000-memory.dmp

Filesize
3.7MB

Download
memory/3544-2-0x00000000052A0000-0x0000000005996000-memory.dmp

Filesize
7.0MB

Download
memory/3544-3-0x0000000000400000-0x0000000000B10000-memory.dmp

Filesize
7.1MB

Download
memory/3544-6-0x0000000000400000-0x0000000000B10000-memory.dmp

Filesize
7.1MB

Download
memory/3544-5-0x00000000052A0000-0x0000000005996000-memory.dmp

Filesize
7.0MB

Download
memory/3544-4-0x0000000000400000-0x0000000002FC8000-memory.dmp

Filesize
43.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads