eb00591d755b58f03d2309e51a4e5074bf3cc7c3efdbbb7b834df3de212c475e

Analysis

max time kernel
141s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
09/01/2024, 18:20

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General

Target

f1dc035d15b134749dc58f05432853c2.exe
Size

117KB
MD5

f1dc035d15b134749dc58f05432853c2
SHA1

95196a29b57f5554074c74b74a41a446df6c1617
SHA256

eb00591d755b58f03d2309e51a4e5074bf3cc7c3efdbbb7b834df3de212c475e
SHA512

e0acf0f6ec3d06145cfd5481d12bbeb075779f5e2e495f502085fe74bb13be0ebd79c54f60771536b311ec4f55ae5c016d08a0f84f311a8d5649f90b3ed28dbe
SSDEEP

3072:weZ4F+XLErEyx5wFKFgkf+tkm0kGLbqQa00nII/Z+eF0cj:BZ4+79OioIkiQDQJF0cj

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\\sdra64.exe,"	f1dc035d15b134749dc58f05432853c2.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\sdra64.exe	f1dc035d15b134749dc58f05432853c2.exe
File created	C:\Windows\SysWOW64\sdra64.exe	f1dc035d15b134749dc58f05432853c2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2436	f1dc035d15b134749dc58f05432853c2.exe
2436	f1dc035d15b134749dc58f05432853c2.exe

C:\Users\Admin\AppData\Local\Temp\f1dc035d15b134749dc58f05432853c2.exe
"C:\Users\Admin\AppData\Local\Temp\f1dc035d15b134749dc58f05432853c2.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2436

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/2436-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2436-3-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2436-2-0x0000000000220000-0x0000000000232000-memory.dmp

Filesize
72KB

Download