972f7662fdbeb6ae85c10bd1f4d8a655d38fcc90493abdbadf5feba34485fb79

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
02/02/2024, 09:45

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Report Analysis Logs

General

Target

89301a9c12e83fa63290e37fa99a2bf1.exe
Size

43KB
MD5

89301a9c12e83fa63290e37fa99a2bf1
SHA1

a33c054a56afadc32ef772ed8eb9900c842f2fef
SHA256

972f7662fdbeb6ae85c10bd1f4d8a655d38fcc90493abdbadf5feba34485fb79
SHA512

9b0c752dc749783229e393264d079af7dc053dc281446464e2df79cc95187e0e59dddb7d1893508f6ca830ad47db1e8344cad520e12e325b61ae966e4d215334
SSDEEP

768:gxXc8t0eTheDELsUSYel+9Q02Jchf3LBlg/xTmQ6UBrf3Njg7qSWykPzbbk3M+0w:gi8FT0AA+l2mvLc/b9jSKykbn+

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 = "userinit.exe,C:\\Windows\\system32\\ntos.exe,"	89301a9c12e83fa63290e37fa99a2bf1.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	89301a9c12e83fa63290e37fa99a2bf1.exe
File created	C:\Windows\SysWOW64\ntos.exe	89301a9c12e83fa63290e37fa99a2bf1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2212	89301a9c12e83fa63290e37fa99a2bf1.exe
2212	89301a9c12e83fa63290e37fa99a2bf1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2212	89301a9c12e83fa63290e37fa99a2bf1.exe

C:\Users\Admin\AppData\Local\Temp\89301a9c12e83fa63290e37fa99a2bf1.exe
"C:\Users\Admin\AppData\Local\Temp\89301a9c12e83fa63290e37fa99a2bf1.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2212

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

Replay Monitor

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Downloads

memory/2212-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2212-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2212-6-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download