84f85aa0fabab28188ef47f730fac55eabf841ce65f657155ba5efd5274a5ac9

Analysis

max time kernel
150s
max time network
133s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 13:47

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General

Target

84f85aa0fabab28188ef47f730fac55eabf841ce65f657155ba5efd5274a5ac9.exe
Size

66KB
MD5

bff6f8174edd06b7c02a8a34d3cf3e91
SHA1

b6372ce38eed5cace0a43148e38ad5590a4602f2
SHA256

84f85aa0fabab28188ef47f730fac55eabf841ce65f657155ba5efd5274a5ac9
SHA512

ef66228c16c64e47da4c77002b5ea453da4f4ac1529f93a0c5a17ac308aa0c671e04bd59d11dbe71e5327ba72bc1e09550663dc1efdf661a2bab2788bdee19bf
SSDEEP

1536:R1s9gsCIJb36uzOW9J3qsHdlwcIxulEbgVD+Gt8QcEG:rUpxOuzxCsHn0uaocQP

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\Other.res"	svchost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

84f85aa0fabab28188ef47f730fac55eabf841ce65f657155ba5efd5274a5ac9.exesvchost.exe

pid process

1708 84f85aa0fabab28188ef47f730fac55eabf841ce65f657155ba5efd5274a5ac9.exe
1172 svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exe

pid	process
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe
1172	svchost.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

84f85aa0fabab28188ef47f730fac55eabf841ce65f657155ba5efd5274a5ac9.exe

pid	process
1708	84f85aa0fabab28188ef47f730fac55eabf841ce65f657155ba5efd5274a5ac9.exe
1708	84f85aa0fabab28188ef47f730fac55eabf841ce65f657155ba5efd5274a5ac9.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

svchost.exe

pid process

1172 svchost.exe
1172 svchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

svchost.exe

description	pid	process	target process
PID 1172 wrote to memory of 1988	1172	svchost.exe	ctfmon.exe
PID 1172 wrote to memory of 1988	1172	svchost.exe	ctfmon.exe
PID 1172 wrote to memory of 1988	1172	svchost.exe	ctfmon.exe
PID 1172 wrote to memory of 1988	1172	svchost.exe	ctfmon.exe

C:\Users\Admin\AppData\Local\Temp\84f85aa0fabab28188ef47f730fac55eabf841ce65f657155ba5efd5274a5ac9.exe
"C:\Users\Admin\AppData\Local\Temp\84f85aa0fabab28188ef47f730fac55eabf841ce65f657155ba5efd5274a5ac9.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: MapViewOfSection
PID:1708

C:\Windows\syswow64\svchost.exe
"C:\Windows\syswow64\svchost.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1172

C:\Windows\SysWOW64\ctfmon.exe
ctfmon.exe
2⤵
PID:1988

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1224-58-0x0000000077360000-0x0000000077509000-memory.dmp

Filesize
1.7MB

Download
memory/1224-59-0x0000000002210000-0x0000000002219000-memory.dmp

Filesize
36KB

Download
memory/1224-61-0x0000000077360000-0x0000000077509000-memory.dmp

Filesize
1.7MB

Download
memory/1708-54-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1708-55-0x0000000075451000-0x0000000075453000-memory.dmp

Filesize
8KB

Download
memory/1708-56-0x0000000000390000-0x00000000003C0000-memory.dmp

Filesize
192KB

Download
memory/1708-57-0x0000000000390000-0x00000000003C0000-memory.dmp

Filesize
192KB

Download
memory/1988-62-0x0000000000000000-mapping.dmp

Download