5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77

General

Target

5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe
Size

348KB
MD5

d71e033b413d6545a7c572266070bfcc
SHA1

ee9334786ef1a83b9fbce0a546fef3c205300c77
SHA256

5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77
SHA512

3334006b31aab82b49094efeb9396ca9121dc337744c1c2fdc24b8d65208c4cfc15349ce12d66593de77d661e085ae5acff82fee1e7448cb1e657288b6481338
SSDEEP

6144:E45rA5wSkJY8R/kpM3kRaWV/wEsNbqw8QlRTFiPurp+EStS3sth:SwSkB/kBubqw8vm+EKS3s

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
4916	svchost.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\ae739065 = "C:\\Windows\\apppatch\\svchost.exe"	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\ae739065 = "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	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe
File created	C:\Windows\apppatch\svchost.exe	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.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	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4916	svchost.exe
4916	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4644	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4644 wrote to memory of 4916	4644	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe	84
PID 4644 wrote to memory of 4916	4644	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe	84
PID 4644 wrote to memory of 4916	4644	5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe	84

C:\Users\Admin\AppData\Local\Temp\5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe
"C:\Users\Admin\AppData\Local\Temp\5f3058e1aaee894987aa6444d70a8040d8fde82eadb43b944e229d88b1b7dc77.exe"
1⤵
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4644
- 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:4916

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3HDB1LPD\35S859NS.htm

Filesize
167B

MD5
0104c301c5e02bd6148b8703d19b3a73

SHA1
7436e0b4b1f8c222c38069890b75fa2baf9ca620

SHA256
446a6087825fa73eadb045e5a2e9e2adf7df241b571228187728191d961dda1f

SHA512
84427b656a6234a651a6d8285c103645b861a18a6c5af4abb5cb4f3beb5a4f0df4a74603a0896c7608790fbb886dc40508e92d5709f44dca05dd46c8316d15bf

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\IFM58U6K\CBO3RV3V.htm

Filesize
430KB

MD5
85a3cd8e366e582abcd731c60640e46c

SHA1
d9656a9b5ed162470d22c7f4834129133c1083d6

SHA256
4c75b6c32c154a3b2e299f4586d340cb57cf00181f8cb63bee2f0425dccec14b

SHA512
f63ad83ca2e2d435b6df2cbc838436cc19efa36b48308ff52d18ebe086a1ca1608cc2c4dd80196313269587a5b1b2b5b4f546bdc0ee91f939cb4252ec9f78875

Download Submit
C:\Users\Admin\AppData\Local\Temp\9EE0.tmp

Filesize
430KB

MD5
c87ae728b7b2f8fec93da8740c6a6b55

SHA1
f72f2660325fc475f855d1e77acc1d08914df58c

SHA256
187cf689ee03715213a7f7f6e8557e7be3c26fa8b95a050ddc0114e099b7caf2

SHA512
4512520e5332eb21c5bd75b039e2052194992a4e8ace6388fee37c02a9633608a91e0d7e12997c844f6c310e7bb877499e14e7d9cdb334dc93a2e5ba2c7ae127

Download Submit
C:\Windows\apppatch\svchost.exe

Filesize
348KB

MD5
38839877b1fd57f168e8cb2adc5cab47

SHA1
9042888e35d73c382453df07be04f93bf017cdaf

SHA256
aea7a2d1e606a8940b20710b28c8cda21760bab8601096806c070bf0b85b6468

SHA512
3b570a0b6b126ce7fe0e8ca93d991f621378f8ef20f1a96084082c24643ae659a7da05d7a6257cc24456b832252ae9fca618ecb14c0534b1f8557d013b9dd058

Download Submit
memory/4644-9-0x0000000000BC0000-0x0000000000C2A000-memory.dmp

Filesize
424KB

Download
memory/4916-51-0x00000000050F0000-0x00000000050F1000-memory.dmp

Filesize
4KB

Download
memory/4916-45-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/4916-61-0x0000000005130000-0x0000000005131000-memory.dmp

Filesize
4KB

Download
memory/4916-59-0x0000000005110000-0x0000000005111000-memory.dmp

Filesize
4KB

Download
memory/4916-58-0x0000000005120000-0x0000000005121000-memory.dmp

Filesize
4KB

Download
memory/4916-54-0x0000000005100000-0x0000000005101000-memory.dmp

Filesize
4KB

Download
memory/4916-52-0x00000000050E0000-0x00000000050E1000-memory.dmp

Filesize
4KB

Download
memory/4916-16-0x00000000039D0000-0x0000000003A6F000-memory.dmp

Filesize
636KB

Download
memory/4916-48-0x00000000050E0000-0x00000000050E1000-memory.dmp

Filesize
4KB

Download
memory/4916-47-0x0000000004C70000-0x0000000004C71000-memory.dmp

Filesize
4KB

Download
memory/4916-14-0x00000000039D0000-0x0000000003A6F000-memory.dmp

Filesize
636KB

Download
memory/4916-62-0x00000000039D0000-0x0000000003A6F000-memory.dmp

Filesize
636KB

Download
memory/4916-44-0x0000000004C60000-0x0000000004C61000-memory.dmp

Filesize
4KB

Download
memory/4916-41-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/4916-40-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

Filesize
4KB

Download
memory/4916-38-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

Filesize
4KB

Download
memory/4916-37-0x0000000004BB0000-0x0000000004BB1000-memory.dmp

Filesize
4KB

Download
memory/4916-36-0x0000000004BB0000-0x0000000004BB1000-memory.dmp

Filesize
4KB

Download
memory/4916-34-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

Filesize
4KB

Download
memory/4916-33-0x00000000039D0000-0x0000000003A6F000-memory.dmp

Filesize
636KB

Download
memory/4916-13-0x00000000039D0000-0x0000000003A6F000-memory.dmp

Filesize
636KB

Download
memory/4916-10-0x0000000003800000-0x0000000003890000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads