b756c92d571f61d3ed71ce5c1b9cc38ac55b500a1f976cc993b1bf686e4ab7c3

Analysis

max time kernel
188s
max time network
194s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2022 01:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b756c92d571f61d3ed71ce5c1b9cc38ac55b500a1f976cc993b1bf686e4ab7c3.exe
Size

6.4MB
MD5

45ecf432a994f5a2bd931aea9b36209f
SHA1

9b02e20e9b099852dcfef373457e197f96b1643c
SHA256

b756c92d571f61d3ed71ce5c1b9cc38ac55b500a1f976cc993b1bf686e4ab7c3
SHA512

95033c64a00a26234286a785de835aef924e744ef8a86c50e08f7b47aa9245147dffd8232d3d6af50de9feadbe5cc7c9f9455ee3c7c9bbb507785751d135ddf2
SSDEEP

196608:7+Jryvp10aEvcRVcdaNaqH+ex+PdQ3iVci1zwXAz:7+Nyb1fcsNaqN+PZfNwwz

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
644	b756c92d571f61d3ed71ce5c1b9cc38ac55b500a1f976cc993b1bf686e4ab7c3.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	b756c92d571f61d3ed71ce5c1b9cc38ac55b500a1f976cc993b1bf686e4ab7c3.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	b756c92d571f61d3ed71ce5c1b9cc38ac55b500a1f976cc993b1bf686e4ab7c3.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	b756c92d571f61d3ed71ce5c1b9cc38ac55b500a1f976cc993b1bf686e4ab7c3.exe
File opened for modification	C:\Windows\assembly	b756c92d571f61d3ed71ce5c1b9cc38ac55b500a1f976cc993b1bf686e4ab7c3.exe
File created	C:\Windows\assembly\Desktop.ini	b756c92d571f61d3ed71ce5c1b9cc38ac55b500a1f976cc993b1bf686e4ab7c3.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	644	b756c92d571f61d3ed71ce5c1b9cc38ac55b500a1f976cc993b1bf686e4ab7c3.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
644	b756c92d571f61d3ed71ce5c1b9cc38ac55b500a1f976cc993b1bf686e4ab7c3.exe
644	b756c92d571f61d3ed71ce5c1b9cc38ac55b500a1f976cc993b1bf686e4ab7c3.exe

C:\Users\Admin\AppData\Local\Temp\b756c92d571f61d3ed71ce5c1b9cc38ac55b500a1f976cc993b1bf686e4ab7c3.exe
"C:\Users\Admin\AppData\Local\Temp\b756c92d571f61d3ed71ce5c1b9cc38ac55b500a1f976cc993b1bf686e4ab7c3.exe"
1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:644

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\u0bu3hld.2s4\7z.dll

Filesize
893KB

MD5
04ad4b80880b32c94be8d0886482c774

SHA1
344faf61c3eb76f4a2fb6452e83ed16c9cce73e0

SHA256
a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338

SHA512
3e3aaf01b769471b18126e443a721c9e9a0269e9f5e48d0a10251bc1ee309855bd71ede266caa6828b007359b21ba562c2a5a3469078760f564fb7bd43acabfb

Download Submit
memory/644-132-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download
memory/644-134-0x0000000075270000-0x0000000075821000-memory.dmp

Filesize
5.7MB

Download