edd6f4179a78718de75a0b53cdaf870dbde7afea7ea4fa5d8de6550a9cf1e333

Analysis

max time kernel
141s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-03-2024 06:42

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General

Target

d575356c8c0a890afc7fb952b8064be6.exe
Size

43KB
MD5

d575356c8c0a890afc7fb952b8064be6
SHA1

eaec091e7c58c9a66cd3fa1b6bc9019b19fd1463
SHA256

edd6f4179a78718de75a0b53cdaf870dbde7afea7ea4fa5d8de6550a9cf1e333
SHA512

bb5eb15092243a960b2a1dee71dbeebb24bbd7e4d842b8dc0674b40d0086d356bb049fa19187411d872ef5d8379797168ff445201fb06f0af04782ec8d59293d
SSDEEP

768:d//k9sUrmyokzZSaG5nkODiTIeELm2NBgnZAkECznvylCI+crX6:d09JokzCnziyLm9ZvECLkCIf6

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,"	d575356c8c0a890afc7fb952b8064be6.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\ntos.exe	d575356c8c0a890afc7fb952b8064be6.exe
File created	C:\Windows\SysWOW64\ntos.exe	d575356c8c0a890afc7fb952b8064be6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1784	d575356c8c0a890afc7fb952b8064be6.exe
1784	d575356c8c0a890afc7fb952b8064be6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1784	d575356c8c0a890afc7fb952b8064be6.exe

C:\Users\Admin\AppData\Local\Temp\d575356c8c0a890afc7fb952b8064be6.exe
"C:\Users\Admin\AppData\Local\Temp\d575356c8c0a890afc7fb952b8064be6.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1784

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/1784-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1784-1-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1784-4-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1784-5-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download