97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651

Analysis

max time kernel
38s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 09:44

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General

Target

97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651.exe
Size

486KB
MD5

a72363c86403f081d45748971afbb22f
SHA1

a83245f848343258a0009306bd3dff68a679f250
SHA256

97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651
SHA512

c388c640c588c78e9ae3ee88855ace5bfe9c4b6d84bce52e2f0d563b663f675d8b4c7c837e8ffd2f9a6818eb3092bce66375206844500d4ede41503adda1bbd5
SSDEEP

12288:1eWoWEGNhjFjrPOfOAuk5Regirp75qOQs86tzfM2Hj:8od5rWGAuk5R6XoSt/j

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "userinit.exe,C:\\Windows\\system32\\ntos.exe,"	97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651.exe

Drops file in System32 directory 2 IoCs

Processes:

97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651.exe
File created	C:\Windows\SysWOW64\ntos.exe	97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651.exe

pid	process
1628	97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651.exe
1628	97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651.exe

description pid process

Token: SeDebugPrivilege 1628 97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651.exe

description	pid	process
Token: SeDebugPrivilege	1628	97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651.exe

C:\Users\Admin\AppData\Local\Temp\97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651.exe
"C:\Users\Admin\AppData\Local\Temp\97c2460571ec127bd799f3f1dab86094984a5e0d9b6b909bd9201a503f7ef651.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1628

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1628-54-0x00000000754C1000-0x00000000754C3000-memory.dmp

Filesize
8KB

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memory/1628-55-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads