5d2dc95726a2e11884b320742c853cd10bc41c8be9b37b82fb3e1d95e9aeb0c6

Analysis

max time kernel
144s
max time network
136s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 00:54

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General

Target

vpnclient2/28vpn_en_5.0.exe
Size

660KB
MD5

20aa6fc8a0583239b43866a28f79e45b
SHA1

024b18daf007f1cfc035c19bef7f52022c308f49
SHA256

f343981c8c254b12e7bc1104d72ddc119bb104510db75795f958b01ca8d51a41
SHA512

7ec5484f9a172a94c620fd56f6f7d598e8dd0a118fbf906b6dfa0ac09e79ae8abeaaee90f7dba1b843160e6259c34042dbd74bd04de0eb4e224b1630fc429461
SSDEEP

12288:IltPST4mIn9n/odH1vUr6SLky2W3lX/ZRduH9gxN2SnXSrnZCVm/W5W7N/B:Il8T4nno1crNLT2ClPZRduC+7ZMk/B

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral3/memory/2252-0-0x0000000000400000-0x0000000000579000-memory.dmp	upx
behavioral3/memory/2252-365-0x0000000000400000-0x0000000000579000-memory.dmp	upx
behavioral3/memory/2252-366-0x0000000000400000-0x0000000000579000-memory.dmp	upx
behavioral3/memory/2252-409-0x0000000000400000-0x0000000000579000-memory.dmp	upx

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main	28vpn_en_5.0.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	28vpn_en_5.0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	28vpn_en_5.0.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
2252	28vpn_en_5.0.exe
2252	28vpn_en_5.0.exe
2252	28vpn_en_5.0.exe
2252	28vpn_en_5.0.exe
2252	28vpn_en_5.0.exe

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
2252	28vpn_en_5.0.exe
2252	28vpn_en_5.0.exe
2252	28vpn_en_5.0.exe
2252	28vpn_en_5.0.exe
2252	28vpn_en_5.0.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2252	28vpn_en_5.0.exe
2252	28vpn_en_5.0.exe
2252	28vpn_en_5.0.exe

C:\Users\Admin\AppData\Local\Temp\vpnclient2\28vpn_en_5.0.exe
"C:\Users\Admin\AppData\Local\Temp\vpnclient2\28vpn_en_5.0.exe"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2252

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\lilacblinds.ini

Filesize
6KB

MD5
19757553b7fa97a814b4d535019e2c52

SHA1
b6b1c110e256390361b3e0242f107d8da1bbbbd5

SHA256
3bd28e9c48d853c0f9ff431fc29dab6f87af896f7aa564fed5797c4fb0db4c47

SHA512
2ff6d31113bf8a1f1cc9c657b24761a5b87138becafe6bcde39b7354967a29aecc7a92726a77a83d7eed985d6c1e6ad655c5a1b7384f65972ec30d4c49ee80f1

Download Submit
memory/2252-0-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/2252-1-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2252-365-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/2252-366-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/2252-375-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2252-409-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download