b0808e2245fc5fb4fb12056f711729df27d9a01faa276894928af2580b8d9e37

General

Target

267773fdad7ae1984bfc052fb653903d_JaffaCakes118.dll
Size

60KB
MD5

267773fdad7ae1984bfc052fb653903d
SHA1

b6c5bf1bafd819405282680b110832ef90e245eb
SHA256

b0808e2245fc5fb4fb12056f711729df27d9a01faa276894928af2580b8d9e37
SHA512

1b6dc400338f7aeeb11082a54d6d4a8d694230ed68c88e4e23c4142592c6b30823bf37d055b4f3ba1941114d88b82203dfce7691932f5635c0dd82feb375c215
SSDEEP

1536:bQhWdNgUP4/3ZiWY+6V1NLCBT8bjltWOjdZ7:ngPZY+Q0ubptWO5N

Score

8^/10

persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

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-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\System Windows Share = "RunDll32 \"C:\\Windows\\logetsrv.dll\",Init"	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\GroupPolicy\hostsrv.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\hostsrv.dll	rundll32.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\logetsrv.dll	rundll32.exe
File opened for modification	C:\Windows\logetsrv.dll	rundll32.exe
File created	C:\Windows\L2Schemas\msperf.dll	rundll32.exe
File opened for modification	C:\Windows\L2Schemas\msperf.dll	rundll32.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 2 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 opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	rundll32.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	rundll32.exe

Enumerates system info in registry 2 TTPs 12 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0	rundll32.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\DiskController	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\Description\System\MultifunctionAdapter\0\DiskController\0	rundll32.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\DiskController\0	rundll32.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\DiskController\0\DiskPeripheral	rundll32.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\Description\System\MultifunctionAdapter\0	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\Description\System\MultifunctionAdapter\0\DiskController	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\Description\System\MultifunctionAdapter\0\DiskController\0\DiskPeripheral	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\Description\System\MultifunctionAdapter\0\DiskController\0\DiskPeripheral\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\MultifunctionAdapter\0\DiskController\0\DiskPeripheral\0\Identifier	rundll32.exe
Key created	\REGISTRY\MACHINE\HARDWARE\Description\System\MultifunctionAdapter	rundll32.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 1748	2536	rundll32.exe	30
PID 2536 wrote to memory of 1748	2536	rundll32.exe	30
PID 2536 wrote to memory of 1748	2536	rundll32.exe	30
PID 2536 wrote to memory of 1748	2536	rundll32.exe	30
PID 2536 wrote to memory of 1748	2536	rundll32.exe	30
PID 2536 wrote to memory of 1748	2536	rundll32.exe	30
PID 2536 wrote to memory of 1748	2536	rundll32.exe	30
PID 1748 wrote to memory of 1524	1748	rundll32.exe	31
PID 1748 wrote to memory of 1524	1748	rundll32.exe	31
PID 1748 wrote to memory of 1524	1748	rundll32.exe	31
PID 1748 wrote to memory of 1524	1748	rundll32.exe	31
PID 1748 wrote to memory of 1524	1748	rundll32.exe	31
PID 1748 wrote to memory of 1524	1748	rundll32.exe	31
PID 1748 wrote to memory of 1524	1748	rundll32.exe	31
PID 1748 wrote to memory of 1064	1748	rundll32.exe	18
PID 1748 wrote to memory of 1064	1748	rundll32.exe	18
PID 1748 wrote to memory of 1132	1748	rundll32.exe	19
PID 1748 wrote to memory of 1132	1748	rundll32.exe	19
PID 1748 wrote to memory of 1200	1748	rundll32.exe	21
PID 1748 wrote to memory of 1200	1748	rundll32.exe	21
PID 1748 wrote to memory of 1232	1748	rundll32.exe	25
PID 1748 wrote to memory of 1232	1748	rundll32.exe	25
PID 1748 wrote to memory of 2536	1748	rundll32.exe	29
PID 1748 wrote to memory of 2536	1748	rundll32.exe	29
PID 1748 wrote to memory of 1524	1748	rundll32.exe	31
PID 1748 wrote to memory of 1524	1748	rundll32.exe	31

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1064

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1132

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\267773fdad7ae1984bfc052fb653903d_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\267773fdad7ae1984bfc052fb653903d_JaffaCakes118.dll,#1
    3⤵
    - Adds Run key to start application
    - Drops file in System32 directory
    - Drops file in Windows directory
    - Event Triggered Execution: Netsh Helper DLL
    - Enumerates system info in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1748
  - - C:\Windows\SysWOW64\RunDll32.exe
      RunDll32 "C:\Users\Admin\AppData\Local\Temp\267773fdad7ae1984bfc052fb653903d_JaffaCakes118.dll",Init
      4⤵
      PID:1524

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1232

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

Event Triggered Execution

2

T1546

AppInit DLLs

1

T1546.010

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

2

T1546

AppInit DLLs

1

T1546.010

Netsh Helper DLL

1

T1546.007

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\GroupPolicy\hostsrv.dll

Filesize
60KB

MD5
267773fdad7ae1984bfc052fb653903d

SHA1
b6c5bf1bafd819405282680b110832ef90e245eb

SHA256
b0808e2245fc5fb4fb12056f711729df27d9a01faa276894928af2580b8d9e37

SHA512
1b6dc400338f7aeeb11082a54d6d4a8d694230ed68c88e4e23c4142592c6b30823bf37d055b4f3ba1941114d88b82203dfce7691932f5635c0dd82feb375c215

Download Submit
memory/1064-10-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/1064-8-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/1524-29-0x00000000751A0000-0x00000000751C3000-memory.dmp

Filesize
140KB

Download
memory/1524-28-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/1524-26-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/1524-30-0x00000000751A0000-0x00000000751C3000-memory.dmp

Filesize
140KB

Download
memory/1748-1-0x00000000751A1000-0x00000000751AD000-memory.dmp

Filesize
48KB

Download
memory/1748-0-0x00000000751A0000-0x00000000751C3000-memory.dmp

Filesize
140KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads