55ef9bc9fda81afdad6bf5ded04b6a7d274b6e5736b22790181bda11efd97d72

Analysis

max time kernel
143s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01/12/2022, 05:07

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General

Target

55ef9bc9fda81afdad6bf5ded04b6a7d274b6e5736b22790181bda11efd97d72.exe
Size

58KB
MD5

c9dbf1127bb3c03c14a9ceeed5ca4c60
SHA1

ee99b73f9707332d10ff5480b2d31a4726078483
SHA256

55ef9bc9fda81afdad6bf5ded04b6a7d274b6e5736b22790181bda11efd97d72
SHA512

95da533375293a555b3dc7355f4c3083f52dc25c3beba0bca42311247a49914f8885f2f99571df3d6999c440310752ac0ce8114dc5457166fdb30d6471ee7d7a
SSDEEP

1536:1pUgt49tzE+HjxX/Af93aZUHxRdiZ7oAqKC29au:1pUgt49tAkxX4V3hxTiZMlW9a

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\cache.dat"	svchost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1600	55ef9bc9fda81afdad6bf5ded04b6a7d274b6e5736b22790181bda11efd97d72.exe
1552	svchost.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1600	55ef9bc9fda81afdad6bf5ded04b6a7d274b6e5736b22790181bda11efd97d72.exe
1600	55ef9bc9fda81afdad6bf5ded04b6a7d274b6e5736b22790181bda11efd97d72.exe

C:\Users\Admin\AppData\Local\Temp\55ef9bc9fda81afdad6bf5ded04b6a7d274b6e5736b22790181bda11efd97d72.exe
"C:\Users\Admin\AppData\Local\Temp\55ef9bc9fda81afdad6bf5ded04b6a7d274b6e5736b22790181bda11efd97d72.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: MapViewOfSection
PID:1600

C:\Windows\syswow64\svchost.exe
"C:\Windows\syswow64\svchost.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1552

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1380-59-0x00000000776C0000-0x0000000077869000-memory.dmp

Filesize
1.7MB

Download
memory/1380-61-0x0000000002240000-0x0000000002248000-memory.dmp

Filesize
32KB

Download
memory/1600-54-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/1600-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1600-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1600-57-0x0000000001B80000-0x0000000001B99000-memory.dmp

Filesize
100KB

Download
memory/1600-58-0x0000000001B80000-0x0000000001B99000-memory.dmp

Filesize
100KB

Download