a9f15397512e7ae62b381036d8cf2babb20e391bf1c4145dfcdf03813b94bbba

General

Target

5d6860a98f0a5122b34331a275f3556b_JaffaCakes118.dll
Size

24KB
MD5

5d6860a98f0a5122b34331a275f3556b
SHA1

2af844edc64a46cf82f17b4ef20dedb49b733422
SHA256

a9f15397512e7ae62b381036d8cf2babb20e391bf1c4145dfcdf03813b94bbba
SHA512

511702b455e36023fefbb1153b97ff34c7dfd9743f0f4fa224ba071cd88011ae65fdffa60d767e90d1423dd682878d9058bbfbdc0a11b8d40fb7a0bbad6798eb
SSDEEP

384:Zve6kWKQYebBTfN4ZgeEYqpiVHESVviSDbo6dE+oekG802OyG0i02OyG0:ZDKQRjpCTtSUEQpH2OyGy2OyG

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe rundll32.exe yoyg.guo jaqwe"	rundll32.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\yoyg.guo	rundll32.exe
File created	C:\Windows\SysWOW64\yoyg.guo	rundll32.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\idid	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\idid\url0 = 1e9b6dd889e6c45673f71278b5effd1615807487dea8984374e9587db6afea5006ef7c3b9b01748723f78ef7f1e0540e	svchost.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3736	WINWORD.EXE
3736	WINWORD.EXE

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3640	rundll32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3736	WINWORD.EXE
3736	WINWORD.EXE
3736	WINWORD.EXE
3736	WINWORD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 3640	4544	rundll32.exe	84
PID 4544 wrote to memory of 3640	4544	rundll32.exe	84
PID 4544 wrote to memory of 3640	4544	rundll32.exe	84
PID 3640 wrote to memory of 1512	3640	rundll32.exe	96
PID 3640 wrote to memory of 1512	3640	rundll32.exe	96
PID 3640 wrote to memory of 1512	3640	rundll32.exe	96

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5d6860a98f0a5122b34331a275f3556b_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5d6860a98f0a5122b34331a275f3556b_JaffaCakes118.dll,#1
  2⤵
  - Modifies WinLogon for persistence
  - Drops file in System32 directory
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3640
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - Modifies registry class
    PID:1512

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /Automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1512-51-0x00000000602C0000-0x00000000602CD000-memory.dmp

Filesize
52KB

Download
memory/3736-14-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/3736-3-0x00007FF9E71F0000-0x00007FF9E7200000-memory.dmp

Filesize
64KB

Download
memory/3736-20-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/3736-19-0x00007FF9E4C40000-0x00007FF9E4C50000-memory.dmp

Filesize
64KB

Download
memory/3736-5-0x00007FFA2720D000-0x00007FFA2720E000-memory.dmp

Filesize
4KB

Download
memory/3736-6-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/3736-7-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/3736-9-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/3736-10-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/3736-8-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/3736-13-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/3736-0-0x00007FF9E71F0000-0x00007FF9E7200000-memory.dmp

Filesize
64KB

Download
memory/3736-2-0x00007FF9E71F0000-0x00007FF9E7200000-memory.dmp

Filesize
64KB

Download
memory/3736-1-0x00007FF9E71F0000-0x00007FF9E7200000-memory.dmp

Filesize
64KB

Download
memory/3736-4-0x00007FF9E71F0000-0x00007FF9E7200000-memory.dmp

Filesize
64KB

Download
memory/3736-17-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/3736-16-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/3736-15-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/3736-12-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/3736-11-0x00007FF9E4C40000-0x00007FF9E4C50000-memory.dmp

Filesize
64KB

Download
memory/3736-48-0x00007FF9E71F0000-0x00007FF9E7200000-memory.dmp

Filesize
64KB

Download
memory/3736-47-0x00007FF9E71F0000-0x00007FF9E7200000-memory.dmp

Filesize
64KB

Download
memory/3736-46-0x00007FF9E71F0000-0x00007FF9E7200000-memory.dmp

Filesize
64KB

Download
memory/3736-45-0x00007FF9E71F0000-0x00007FF9E7200000-memory.dmp

Filesize
64KB

Download
memory/3736-49-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download
memory/3736-18-0x00007FFA27170000-0x00007FFA27365000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads