726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1

General

Target

726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1.exe
Size

338KB
MD5

1c1a3953f986a78a0cbab8ad355173ca
SHA1

27d7cf26bb775b85343d8d5374bf06000d8a549f
SHA256

726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1
SHA512

48a476ed896206256057d3e7309dd17266202aef76a00544feb0ba5b0950cfa353ae22e93b93ec1ffcc972819c3d7a184e68a2484c25c0e6753a4be8f398c409
SSDEEP

6144:fExz45TS77IQi8Dq+9fXphN2LfjEcYzaWqr57Q7Xwxc4SQjWvvf:VTS71Dq+pcYWWqtfxvSQj2f

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
2892	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
2768	726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1.exe
2768	726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1.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\ca6bd10f = "C:\\Windows\\apppatch\\svchost.exe"	726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\ca6bd10f = "C:\\Windows\\apppatch\\svchost.exe"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\apppatch\svchost.exe	726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1.exe
File created	C:\Windows\apppatch\svchost.exe	726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1.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	726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2892	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2768	726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2892	2768	726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1.exe	30
PID 2768 wrote to memory of 2892	2768	726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1.exe	30
PID 2768 wrote to memory of 2892	2768	726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1.exe	30
PID 2768 wrote to memory of 2892	2768	726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1.exe	30

C:\Users\Admin\AppData\Local\Temp\726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1.exe
"C:\Users\Admin\AppData\Local\Temp\726a480d8f657945dea859b502f5be70087d516109b3dc674d0aea22045a78c1.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:2768
- 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:2892

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
9b6e6030fa8051937b8c7f33281def0f

SHA1
fce80c1f80586d82dec6f812d001450b0cd8e77a

SHA256
6f6a2b0ed3b3f22692e68dd00574827f2275c83a0cb051ae9ea79f6c43812c0b

SHA512
595f7d5fe36b5be39540dc059879fb3b26043b3c020cb66ead555c0d63699c8715a6bd42d938bdbf57db04af2f9536b0ae5f465040f1ea0a3ec17c4a65c1a048

Download Submit
memory/2768-13-0x0000000000970000-0x00000000009D7000-memory.dmp

Filesize
412KB

Download
memory/2892-14-0x0000000000CE0000-0x0000000000D6C000-memory.dmp

Filesize
560KB

Download
memory/2892-16-0x0000000000CE0000-0x0000000000D6C000-memory.dmp

Filesize
560KB

Download
memory/2892-24-0x0000000000CE0000-0x0000000000D6C000-memory.dmp

Filesize
560KB

Download
memory/2892-22-0x0000000000CE0000-0x0000000000D6C000-memory.dmp

Filesize
560KB

Download
memory/2892-20-0x0000000000CE0000-0x0000000000D6C000-memory.dmp

Filesize
560KB

Download
memory/2892-18-0x0000000000CE0000-0x0000000000D6C000-memory.dmp

Filesize
560KB

Download
memory/2892-28-0x0000000000D70000-0x0000000000E0B000-memory.dmp

Filesize
620KB

Download
memory/2892-27-0x0000000000D70000-0x0000000000E0B000-memory.dmp

Filesize
620KB

Download
memory/2892-30-0x0000000000D70000-0x0000000000E0B000-memory.dmp

Filesize
620KB

Download
memory/2892-34-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2892-36-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2892-37-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2892-38-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2892-40-0x0000000000400000-0x0000000000401000-memory.dmp

Filesize
4KB

Download
memory/2892-41-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/2892-44-0x0000000000C90000-0x0000000000C91000-memory.dmp

Filesize
4KB

Download
memory/2892-45-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/2892-47-0x0000000002380000-0x0000000002381000-memory.dmp

Filesize
4KB

Download
memory/2892-52-0x0000000002390000-0x0000000002391000-memory.dmp

Filesize
4KB

Download
memory/2892-51-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/2892-48-0x0000000002390000-0x0000000002391000-memory.dmp

Filesize
4KB

Download
memory/2892-54-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/2892-97-0x00000000752B7000-0x00000000752B8000-memory.dmp

Filesize
4KB

Download
memory/2892-76-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/2892-75-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/2892-73-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/2892-72-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/2892-69-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/2892-68-0x0000000002590000-0x0000000002591000-memory.dmp

Filesize
4KB

Download
memory/2892-66-0x0000000002530000-0x0000000002531000-memory.dmp

Filesize
4KB

Download
memory/2892-65-0x0000000002580000-0x0000000002581000-memory.dmp

Filesize
4KB

Download
memory/2892-62-0x0000000002530000-0x0000000002531000-memory.dmp

Filesize
4KB

Download
memory/2892-61-0x0000000002520000-0x0000000002521000-memory.dmp

Filesize
4KB

Download
memory/2892-59-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/2892-58-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download
memory/2892-98-0x0000000000D70000-0x0000000000E0B000-memory.dmp

Filesize
620KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads