b5707bb946b4659fad2b8a985e8288b528c5e5bff871ace11ef952d4187b9a02

Analysis

max time kernel
166s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06/11/2022, 07:41

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General

Target

b5707bb946b4659fad2b8a985e8288b528c5e5bff871ace11ef952d4187b9a02.exe
Size

96KB
MD5

28fcfc1c271a3a2b843a7d9b9f8445a0
SHA1

4070e1fc12d0d2d798543346b84a9a3219d53ebb
SHA256

b5707bb946b4659fad2b8a985e8288b528c5e5bff871ace11ef952d4187b9a02
SHA512

6512311c24adb3b5473c03fafdd556dc2061c58f1c2704a4615b8555920030623c9eae9f57000e1f0208ce537321ff787f4d001c3749f0816cd6b2cfb2d9a706
SSDEEP

1536:oobIWMfgSTmT8YrbNkqlrRizDfyJlwQDnTHA7oDfPHlfdsmmz:/IhDurbN/vYDkGQDDPD3Hlfdjm

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\\skype.dat"	svchost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1996	b5707bb946b4659fad2b8a985e8288b528c5e5bff871ace11ef952d4187b9a02.exe
1900	svchost.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1996	b5707bb946b4659fad2b8a985e8288b528c5e5bff871ace11ef952d4187b9a02.exe
1996	b5707bb946b4659fad2b8a985e8288b528c5e5bff871ace11ef952d4187b9a02.exe

C:\Users\Admin\AppData\Local\Temp\b5707bb946b4659fad2b8a985e8288b528c5e5bff871ace11ef952d4187b9a02.exe
"C:\Users\Admin\AppData\Local\Temp\b5707bb946b4659fad2b8a985e8288b528c5e5bff871ace11ef952d4187b9a02.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: MapViewOfSection
PID:1996

C:\Windows\syswow64\svchost.exe
"C:\Windows\syswow64\svchost.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1900

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/1420-58-0x0000000077500000-0x00000000776A9000-memory.dmp

Filesize
1.7MB

Download
memory/1420-60-0x0000000002270000-0x0000000002277000-memory.dmp

Filesize
28KB

Download
memory/1900-59-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

Download
memory/1996-54-0x0000000000400000-0x0000000001435000-memory.dmp

Filesize
16.2MB

Download
memory/1996-55-0x0000000000400000-0x0000000001435000-memory.dmp

Filesize
16.2MB

Download
memory/1996-56-0x0000000000400000-0x0000000001435000-memory.dmp

Filesize
16.2MB

Download
memory/1996-57-0x0000000000400000-0x0000000001435000-memory.dmp

Filesize
16.2MB

Download