4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
19/10/2022, 23:54

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General

Target

4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.exe
Size

561KB
MD5

a20c8d062159b2740b562a17aa273250
SHA1

9e7cd640eb31599dc45782d1de066c77316363c5
SHA256

4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d
SHA512

8060373a57babbf71c49be92640b73efd5c1bf7ebc08f24f2a47d29f6fb26f956f938cbba17b188554231edbc606cd9751be342f54762d9ce984c5bddf1d39d2
SSDEEP

3072:aG+4psGonOAUQlgMrTh1nHEeYO8vVuAiDEI9zMiFSR09l8TSSUdg/o:UkrQlgMrTh1nHEeYqtx9oGSRRTSS

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2952	dell.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4568	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cb99bb25b4bf9982212cb1ee3af7c506.exe	dell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cb99bb25b4bf9982212cb1ee3af7c506.exe	dell.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cb99bb25b4bf9982212cb1ee3af7c506 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dell.exe\" .."	dell.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\cb99bb25b4bf9982212cb1ee3af7c506 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dell.exe\" .."	dell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe
2952	dell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2952	dell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4100 wrote to memory of 2952	4100	4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.exe	83
PID 4100 wrote to memory of 2952	4100	4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.exe	83
PID 4100 wrote to memory of 2952	4100	4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.exe	83
PID 2952 wrote to memory of 4568	2952	dell.exe	84
PID 2952 wrote to memory of 4568	2952	dell.exe	84
PID 2952 wrote to memory of 4568	2952	dell.exe	84

C:\Users\Admin\AppData\Local\Temp\4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.exe
"C:\Users\Admin\AppData\Local\Temp\4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4100
- C:\Users\Admin\AppData\Local\Temp\dell.exe
  "C:\Users\Admin\AppData\Local\Temp\dell.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2952
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\dell.exe" "dell.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4568

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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\dell.exe

Filesize
561KB

MD5
a20c8d062159b2740b562a17aa273250

SHA1
9e7cd640eb31599dc45782d1de066c77316363c5

SHA256
4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d

SHA512
8060373a57babbf71c49be92640b73efd5c1bf7ebc08f24f2a47d29f6fb26f956f938cbba17b188554231edbc606cd9751be342f54762d9ce984c5bddf1d39d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\dell.exe

Filesize
561KB

MD5
a20c8d062159b2740b562a17aa273250

SHA1
9e7cd640eb31599dc45782d1de066c77316363c5

SHA256
4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d

SHA512
8060373a57babbf71c49be92640b73efd5c1bf7ebc08f24f2a47d29f6fb26f956f938cbba17b188554231edbc606cd9751be342f54762d9ce984c5bddf1d39d2

Download Submit
memory/2952-137-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/2952-139-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/4100-132-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download
memory/4100-136-0x00000000753C0000-0x0000000075971000-memory.dmp

Filesize
5.7MB

Download