9fa1f49cf43dc48541c327a6c4f364f471fb33ce57337f941ea698e5bf80da08

Analysis

max time kernel
179s
max time network
183s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2022, 01:48

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General

Target

9fa1f49cf43dc48541c327a6c4f364f471fb33ce57337f941ea698e5bf80da08.exe
Size

6.4MB
MD5

5f5c183484e7750df6f078e2fe22751b
SHA1

4a634af5769055d4eba7feeee03af21a422213a7
SHA256

9fa1f49cf43dc48541c327a6c4f364f471fb33ce57337f941ea698e5bf80da08
SHA512

2d3fb992e6fac2c5812249893efa00ee733c933f60bafffae75e60a76403743f2f05f5702507bc16a73d6e7e1bf3f516c57eb0f3fc53d934e720b9faef14b537
SSDEEP

196608:R0/ZJryvp10aEvcRVcdaNaqH+ex+PdQ3iVci1zwXA8:RMNyb1fcsNaqN+PZfNww8

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
4936	9fa1f49cf43dc48541c327a6c4f364f471fb33ce57337f941ea698e5bf80da08.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	9fa1f49cf43dc48541c327a6c4f364f471fb33ce57337f941ea698e5bf80da08.exe
File created	C:\Windows\assembly\Desktop.ini	9fa1f49cf43dc48541c327a6c4f364f471fb33ce57337f941ea698e5bf80da08.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	9fa1f49cf43dc48541c327a6c4f364f471fb33ce57337f941ea698e5bf80da08.exe
File created	C:\Windows\assembly\Desktop.ini	9fa1f49cf43dc48541c327a6c4f364f471fb33ce57337f941ea698e5bf80da08.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	9fa1f49cf43dc48541c327a6c4f364f471fb33ce57337f941ea698e5bf80da08.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4936	9fa1f49cf43dc48541c327a6c4f364f471fb33ce57337f941ea698e5bf80da08.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4936	9fa1f49cf43dc48541c327a6c4f364f471fb33ce57337f941ea698e5bf80da08.exe
4936	9fa1f49cf43dc48541c327a6c4f364f471fb33ce57337f941ea698e5bf80da08.exe

C:\Users\Admin\AppData\Local\Temp\9fa1f49cf43dc48541c327a6c4f364f471fb33ce57337f941ea698e5bf80da08.exe
"C:\Users\Admin\AppData\Local\Temp\9fa1f49cf43dc48541c327a6c4f364f471fb33ce57337f941ea698e5bf80da08.exe"
1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4936

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\yceppkli.sai\7z.dll

Filesize
893KB

MD5
04ad4b80880b32c94be8d0886482c774

SHA1
344faf61c3eb76f4a2fb6452e83ed16c9cce73e0

SHA256
a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338

SHA512
3e3aaf01b769471b18126e443a721c9e9a0269e9f5e48d0a10251bc1ee309855bd71ede266caa6828b007359b21ba562c2a5a3469078760f564fb7bd43acabfb

Download Submit
memory/4936-132-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/4936-134-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download