ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb

General

Target

ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb.exe
Size

338KB
MD5

8381fa95b5086f2458e312417ef2ad08
SHA1

3715543c229b41966b9676467c2164f3ab1442ad
SHA256

ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb
SHA512

aab06d243347348ba2a41201b38ad9c1f2a40aa3b3b496956621d7b81caab451a0136716d6311f6966cbce9f73c70d8898bc65479fad85e88a34e482a49a43d4
SSDEEP

6144:uExz45TS77IQi8Dq+9fXphN2LfjEcYzaWqr57Q7Xwxc4SQjWvvfr:8TS71Dq+pcYWWqtfxvSQj2fr

Score

10^/10

discovery 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\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\apppatch\\svchost.exe,"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2808	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
2204	ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb.exe
2204	ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\73cdbc4c = "C:\\Windows\\apppatch\\svchost.exe"	ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\73cdbc4c = "C:\\Windows\\apppatch\\svchost.exe"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2808	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2204	ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2808	2204	ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb.exe	30
PID 2204 wrote to memory of 2808	2204	ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb.exe	30
PID 2204 wrote to memory of 2808	2204	ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb.exe	30
PID 2204 wrote to memory of 2808	2204	ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb.exe	30

C:\Users\Admin\AppData\Local\Temp\ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb.exe
"C:\Users\Admin\AppData\Local\Temp\ccf371f130681c9c3f884706edf3b8730219256e93cab96780fd1f44901c18fb.exe"
1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Modifies WinLogon
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Winlogon Helper DLL

2

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Winlogon Helper DLL

2

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\AppPatch\svchost.exe

Filesize
338KB

MD5
699cc004a120b29ad723de610a5713cd

SHA1
ebb317cd4da11d05fd6ea98c80219d00209e0ab9

SHA256
eee82e534e086bd67397d5566b4969838f26d83310196b479e7aeb987b534bea

SHA512
d333fe2e55a8ca90f2210577a0b5c0e3a1cf19c02de868c6983935810078733259104b964636d3c50a5a00d4046afce0b194cb569cd5891deb3894a880ac9dcc

Download Submit
memory/2204-12-0x0000000001320000-0x0000000001387000-memory.dmp

Filesize
412KB

Download
memory/2808-24-0x0000000000320000-0x00000000003AC000-memory.dmp

Filesize
560KB

Download
memory/2808-22-0x0000000000320000-0x00000000003AC000-memory.dmp

Filesize
560KB

Download
memory/2808-20-0x0000000000320000-0x00000000003AC000-memory.dmp

Filesize
560KB

Download
memory/2808-18-0x0000000000320000-0x00000000003AC000-memory.dmp

Filesize
560KB

Download
memory/2808-16-0x0000000000320000-0x00000000003AC000-memory.dmp

Filesize
560KB

Download
memory/2808-14-0x0000000000320000-0x00000000003AC000-memory.dmp

Filesize
560KB

Download
memory/2808-30-0x0000000000490000-0x000000000052B000-memory.dmp

Filesize
620KB

Download
memory/2808-28-0x0000000000490000-0x000000000052B000-memory.dmp

Filesize
620KB

Download
memory/2808-27-0x0000000000490000-0x000000000052B000-memory.dmp

Filesize
620KB

Download
memory/2808-37-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2808-38-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2808-36-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2808-34-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2808-41-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2808-40-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2808-44-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2808-45-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2808-47-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2808-48-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/2808-51-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/2808-52-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/2808-54-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/2808-58-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/2808-61-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/2808-59-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/2808-62-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/2808-65-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

Filesize
4KB

Download
memory/2808-68-0x0000000000F60000-0x0000000000F61000-memory.dmp

Filesize
4KB

Download
memory/2808-66-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/2808-69-0x0000000000F70000-0x0000000000F71000-memory.dmp

Filesize
4KB

Download
memory/2808-73-0x0000000000F70000-0x0000000000F71000-memory.dmp

Filesize
4KB

Download
memory/2808-72-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/2808-76-0x0000000002610000-0x0000000002611000-memory.dmp

Filesize
4KB

Download
memory/2808-75-0x0000000002480000-0x0000000002481000-memory.dmp

Filesize
4KB

Download
memory/2808-97-0x0000000000490000-0x000000000052B000-memory.dmp

Filesize
620KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads