82d50f8fee3af588a3981e4b0ece5ec5e2ee07f50bd6949eb618bb6b0523bb44

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 18:14

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General

Target

filefinder.exe
Size

83KB
MD5

1073fce728d8e30ed976fdea277d4682
SHA1

50eb7ae5a8bd1f17e6fcd34e40e189b4882f527b
SHA256

e18c5caaa9ea42043708c185c1fb0387dcba91246b42f8f6dc0e7649310699ae
SHA512

5e0649c2b949e8d0fa8687d4e3a65527026bd9e6db9bc8d6faf0227fca8ae073179656d31904d9e950843b5eac6d55bc3806db5f9ac471c16d3f9f225bee01ca
SSDEEP

1536:9zdkwlMCvZ1zSz/lg1DJHGNZkAoxNA97Guj78VKuHbjefIBANyZ1lOpTkrIxM:9zd5h1zIgPmNGLI9njQR/dBANyZ1Mg

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral8/memory/3520-0-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral8/memory/3520-34-0x0000000000400000-0x000000000043C000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	filefinder.exe

Modifies Internet Explorer settings 1 TTPs 5 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Internet Explorer\TypedURLs	filefinder.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	filefinder.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	filefinder.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Internet Explorer\IESettingSync	filefinder.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	filefinder.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3520	filefinder.exe
3520	filefinder.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3520	filefinder.exe
3520	filefinder.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3520	filefinder.exe
3520	filefinder.exe

C:\Users\Admin\AppData\Local\Temp\filefinder.exe
"C:\Users\Admin\AppData\Local\Temp\filefinder.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:3520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3GJVVK7B\errorPageStrings[1]

Filesize
4KB

MD5
d65ec06f21c379c87040b83cc1abac6b

SHA1
208d0a0bb775661758394be7e4afb18357e46c8b

SHA256
a1270e90cea31b46432ec44731bf4400d22b38eb2855326bf934fe8f1b169a4f

SHA512
8a166d26b49a5d95aea49bc649e5ea58786a2191f4d2adac6f5fbb7523940ce4482d6a2502aa870a931224f215cb2010a8c9b99a2c1820150e4d365cab28299e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\OD2FK6XO\httpErrorPagesScripts[1]

Filesize
11KB

MD5
9234071287e637f85d721463c488704c

SHA1
cca09b1e0fba38ba29d3972ed8dcecefdef8c152

SHA256
65cc039890c7ceb927ce40f6f199d74e49b8058c3f8a6e22e8f916ad90ea8649

SHA512
87d691987e7a2f69ad8605f35f94241ab7e68ad4f55ad384f1f0d40dc59ffd1432c758123661ee39443d624c881b01dcd228a67afb8700fe5e66fc794a6c0384

Download Submit
memory/3520-0-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3520-34-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download