82d50f8fee3af588a3981e4b0ece5ec5e2ee07f50bd6949eb618bb6b0523bb44

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
behavioral7/memory/1172-0-0x0000000000400000-0x000000000043C000-memory.dmp	upx
behavioral7/memory/1172-48-0x0000000000400000-0x000000000043C000-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 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\TypedURLs	filefinder.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main	filefinder.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	filefinder.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	filefinder.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1172	filefinder.exe
1172	filefinder.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1172	filefinder.exe
1172	filefinder.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1172	filefinder.exe
1172	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:1172

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WUBCGJ0A\errorPageStrings[1]

Filesize
2KB

MD5
e3e4a98353f119b80b323302f26b78fa

SHA1
20ee35a370cdd3a8a7d04b506410300fd0a6a864

SHA256
9466d620dc57835a2475f8f71e304f54aee7160e134ba160baae0f19e5e71e66

SHA512
d8e4d73c76804a5abebd5dbc3a86dcdb6e73107b873175a8de67332c113fb7c4899890bf7972e467866fa4cd100a7e2a10a770e5a9c41cbf23b54351b771dcee

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WUBCGJ0A\httpErrorPagesScripts[1]

Filesize
8KB

MD5
3f57b781cb3ef114dd0b665151571b7b

SHA1
ce6a63f996df3a1cccb81720e21204b825e0238c

SHA256
46e019fa34465f4ed096a9665d1827b54553931ad82e98be01edb1ddbc94d3ad

SHA512
8cbf4ef582332ae7ea605f910ad6f8a4bc28513482409fa84f08943a72cac2cf0fa32b6af4c20c697e1fac2c5ba16b5a64a23af0c11eefbf69625b8f9f90c8fa

Download Submit
memory/1172-0-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1172-48-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download