1bdd1fb8a5dd274533f674dfcf98e6329d35f17bb66e7965ac19c83fbf30a453

Analysis

max time kernel
201s
max time network
219s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 19:32

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General

Target
494de15855ce9f19a71e42b80bf88f6f.exe
Size 66KB
Sample240107-x895wsdea7
SHA256 1bdd1fb8a5dd274533f674dfcf98e6329d35f17bb66e7965ac19c83fbf30a453
MD5 494de15855ce9f19a71e42b80bf88f6f
SHA1 5a6292cd32c170146dd1d4135203df4abbb985d3
SHA512 fff5833bf883c76be0809281bc7371501735968ea4b88c03336301a8189751271252d95146413b70074da9c061f4092c934cf7511c663f105d519f0aaa4b3bb8
SSDEEP 1536:3BHmR8nJuxmzPlErfac+dGGvnaA4JqPzk7cJHwvZph:3BGR8ngClzcY/fOGzk7c1w
MD5 SHA1 SHA512 SSDEEP

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\Userinit = "C:\\Windows\\system32\\userinit.exe,494de15855ce9f19a71e42b80bf88f6f.exe"	494de15855ce9f19a71e42b80bf88f6f.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\494de15855ce9f19a71e42b80bf88f6f.exe	494de15855ce9f19a71e42b80bf88f6f.exe
File opened for modification	C:\Windows\SysWOW64\494de15855ce9f19a71e42b80bf88f6f.exe	494de15855ce9f19a71e42b80bf88f6f.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1844	236	WerFault.exe	87

C:\Users\Admin\AppData\Local\Temp\494de15855ce9f19a71e42b80bf88f6f.exe
"C:\Users\Admin\AppData\Local\Temp\494de15855ce9f19a71e42b80bf88f6f.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
PID:236
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 236 -s 384
  2⤵
  - Program crash
  PID:1844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 236 -ip 236
1⤵
PID:3460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/236-0-0x0000000000400000-0x000000000042A000-memory.dmp

Download

memory/236-5-0x0000000000400000-0x000000000042A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads