250695219cd99a3491f980e347c604542b182693ffdccdbf168d1e4a9c4cee87

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 13:53

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General

Target

38c6694030a67e18dc80ef69966d5668.exe
Size

122KB
MD5

38c6694030a67e18dc80ef69966d5668
SHA1

21bf091097090001c6bf4c90b40065afd0523f86
SHA256

250695219cd99a3491f980e347c604542b182693ffdccdbf168d1e4a9c4cee87
SHA512

3903e67bc4d0f916e37bd8b20231169639c0148e3fc843c9b000fbb5f87fba04ab77e3a5c3bd0b71f1bfc61ed3b78b106e759081dfe1f527003f25c306b96164
SSDEEP

3072:aX/6G7uuKGxhErz8sE5Le1Ird8n6Dk14MPElK9TAOnOV2JGdZHEUK6hb2rDqV:aX/5uuKGXAXQd2dclKcQ1UK6hbeS

Score

7^/10

persistence upx

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2940	38c6694030a67e18dc80ef69966d5668.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2940-1-0x0000000000400000-0x0000000000429000-memory.dmp	upx

Modifies WinLogon 2 TTPs 7 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\querdgne	38c6694030a67e18dc80ef69966d5668.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	38c6694030a67e18dc80ef69966d5668.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\querdgne\DllName = "C:\\Windows\\system32\\querdgne.dll"	38c6694030a67e18dc80ef69966d5668.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\querdgne\Startup = "WlxStartupEvent"	38c6694030a67e18dc80ef69966d5668.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\querdgne\Shutdown = "WlxShutdownEvent"	38c6694030a67e18dc80ef69966d5668.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\querdgne\Impersonate = "0"	38c6694030a67e18dc80ef69966d5668.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\querdgne\Asynchronous = "0"	38c6694030a67e18dc80ef69966d5668.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\querdgne.dll	38c6694030a67e18dc80ef69966d5668.exe
File created	C:\Windows\SysWOW64\querdgne.exe	38c6694030a67e18dc80ef69966d5668.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2940	38c6694030a67e18dc80ef69966d5668.exe

C:\Users\Admin\AppData\Local\Temp\38c6694030a67e18dc80ef69966d5668.exe
"C:\Users\Admin\AppData\Local\Temp\38c6694030a67e18dc80ef69966d5668.exe"
1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2940

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

\Windows\SysWOW64\querdgne.dll

Filesize
112KB

MD5
99e9707a3a544b7e39a342dbf5627f6c

SHA1
83d43ac550745806629ce36ffe9eceebee284a24

SHA256
741109843a3611ef92263f3f80a2cdff41c05c3f4f12ecb2b7608efc16156976

SHA512
5012cb5bb1465308fad63ec10c6167c281af69f7bfae1ada50826de6f18f05b4e2bfa50d69d368e1957a6d07f1a847340fda05fc65beaecec843b32df7f32f2a

Download Submit
memory/2940-1-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

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