f56e51959e7d56c18f380f5a9ef77e4ddd8d83840d8d23e296e67bd9091d9ebf

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
01/10/2022, 22:00

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General

Target

f56e51959e7d56c18f380f5a9ef77e4ddd8d83840d8d23e296e67bd9091d9ebf.exe
Size

63KB
MD5

5743d163d21d7fd3f636f72e90d23205
SHA1

74a0c3592970b5012e98e0cc968b67fb87a66b4a
SHA256

f56e51959e7d56c18f380f5a9ef77e4ddd8d83840d8d23e296e67bd9091d9ebf
SHA512

29c993474bc4ec355f9cc8a54b28dbddcbece7b1697d80430fce36cb6513c679b53d9db9abb4b38741d901bf719c07ca7ff1800c02708634eacb25715acbd7ce
SSDEEP

1536:7v0CePVW5K2uKqxFhphwshnxmYwY3inhJ:7aNW5HuKqxHphwsSYjIJ

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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\skype.dat"	svchost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1600	f56e51959e7d56c18f380f5a9ef77e4ddd8d83840d8d23e296e67bd9091d9ebf.exe
1276	svchost.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1600	f56e51959e7d56c18f380f5a9ef77e4ddd8d83840d8d23e296e67bd9091d9ebf.exe
1600	f56e51959e7d56c18f380f5a9ef77e4ddd8d83840d8d23e296e67bd9091d9ebf.exe

C:\Users\Admin\AppData\Local\Temp\f56e51959e7d56c18f380f5a9ef77e4ddd8d83840d8d23e296e67bd9091d9ebf.exe
"C:\Users\Admin\AppData\Local\Temp\f56e51959e7d56c18f380f5a9ef77e4ddd8d83840d8d23e296e67bd9091d9ebf.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:1276

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/1232-59-0x00000000772D0000-0x0000000077479000-memory.dmp

Filesize
1.7MB

Download
memory/1232-61-0x0000000002220000-0x0000000002227000-memory.dmp

Filesize
28KB

Download
memory/1600-54-0x0000000076461000-0x0000000076463000-memory.dmp

Filesize
8KB

Download
memory/1600-55-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1600-56-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1600-57-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1600-58-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download