e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529

General

Target

e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529N.exe
Size

338KB
MD5

6b774827e14741d6bfdfdc2959473210
SHA1

8c33fc56e3412d31908c09c689deeba489bd80a0
SHA256

e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529
SHA512

09720e99acae8c4c9918df9d7394417f1e43ee076d33e3974b3c0c330fa336341aad710ddc27f89525c2b73fced8ffc91cc5013889c5c4207ddaaf7b99197d33
SSDEEP

6144:uExz45lS77IQi8Dq+9fXphN2LfjEcYzaWqr57Q7Xwxc4SQjWvvf:8lS71Dq+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
2560	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
840	e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529N.exe
840	e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529N.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\6aafbf60 = "C:\\Windows\\apppatch\\svchost.exe"	e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\6aafbf60 = "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	e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529N.exe
File created	C:\Windows\apppatch\svchost.exe	e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529N.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2560	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
840	e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 840 wrote to memory of 2560	840	e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529N.exe	31
PID 840 wrote to memory of 2560	840	e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529N.exe	31
PID 840 wrote to memory of 2560	840	e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529N.exe	31
PID 840 wrote to memory of 2560	840	e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529N.exe	31

C:\Users\Admin\AppData\Local\Temp\e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529N.exe
"C:\Users\Admin\AppData\Local\Temp\e90cec933eac90ffb6764a41ea9f957130de117214f82c5c9dc6442c03b08529N.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:840
- 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:2560

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
645424e54862037cd12f9780b09c88ad

SHA1
ed5be87aa5b343b02f0bc094e575ad8c359a040a

SHA256
1488ea79f1e569385505216df7036b952ba697d3ce7393120d8cc90442580abb

SHA512
490918a07ac109501da2a5d5b3a1258e933230b681fcdd13f3f0db8ca7194c017d447593c300c588e5315caadff9c92f73501ac9e65057a2ecde170d09d920cb

Download Submit
memory/840-12-0x0000000000F10000-0x0000000000F77000-memory.dmp

Filesize
412KB

Download
memory/2560-29-0x0000000000600000-0x000000000069B000-memory.dmp

Filesize
620KB

Download
memory/2560-27-0x0000000000600000-0x000000000069B000-memory.dmp

Filesize
620KB

Download
memory/2560-25-0x0000000000600000-0x000000000069B000-memory.dmp

Filesize
620KB

Download
memory/2560-24-0x0000000000420000-0x00000000004AC000-memory.dmp

Filesize
560KB

Download
memory/2560-22-0x0000000000420000-0x00000000004AC000-memory.dmp

Filesize
560KB

Download
memory/2560-20-0x0000000000420000-0x00000000004AC000-memory.dmp

Filesize
560KB

Download
memory/2560-18-0x0000000000420000-0x00000000004AC000-memory.dmp

Filesize
560KB

Download
memory/2560-16-0x0000000000420000-0x00000000004AC000-memory.dmp

Filesize
560KB

Download
memory/2560-14-0x0000000000420000-0x00000000004AC000-memory.dmp

Filesize
560KB

Download
memory/2560-33-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2560-35-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/2560-37-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2560-36-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/2560-39-0x00000000004C0000-0x00000000004C1000-memory.dmp

Filesize
4KB

Download
memory/2560-40-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/2560-44-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/2560-43-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/2560-47-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/2560-46-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/2560-51-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/2560-50-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/2560-53-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/2560-58-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download
memory/2560-57-0x0000000000760000-0x0000000000761000-memory.dmp

Filesize
4KB

Download
memory/2560-60-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/2560-61-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/2560-65-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/2560-64-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/2560-67-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/2560-68-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/2560-72-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/2560-71-0x0000000002400000-0x0000000002401000-memory.dmp

Filesize
4KB

Download
memory/2560-74-0x0000000002550000-0x0000000002551000-memory.dmp

Filesize
4KB

Download
memory/2560-75-0x0000000002560000-0x0000000002561000-memory.dmp

Filesize
4KB

Download
memory/2560-96-0x0000000000600000-0x000000000069B000-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