4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d

General

Target

4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.exe
Size

561KB
MD5

a20c8d062159b2740b562a17aa273250
SHA1

9e7cd640eb31599dc45782d1de066c77316363c5
SHA256

4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d
SHA512

8060373a57babbf71c49be92640b73efd5c1bf7ebc08f24f2a47d29f6fb26f956f938cbba17b188554231edbc606cd9751be342f54762d9ce984c5bddf1d39d2
SSDEEP

3072:aG+4psGonOAUQlgMrTh1nHEeYO8vVuAiDEI9zMiFSR09l8TSSUdg/o:UkrQlgMrTh1nHEeYqtx9oGSRRTSS

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1396	dell.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1104	netsh.exe

Drops startup file 2 IoCs

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

Loads dropped DLL 2 IoCs

pid	Process
780	4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.exe
780	4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.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-1-5-21-2292972927-2705560509-2768824231-1000\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 1 IoCs

pid	Process
1396	dell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1396	dell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 1396	780	4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.exe	28
PID 780 wrote to memory of 1396	780	4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.exe	28
PID 780 wrote to memory of 1396	780	4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.exe	28
PID 780 wrote to memory of 1396	780	4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.exe	28
PID 1396 wrote to memory of 1104	1396	dell.exe	29
PID 1396 wrote to memory of 1104	1396	dell.exe	29
PID 1396 wrote to memory of 1104	1396	dell.exe	29
PID 1396 wrote to memory of 1104	1396	dell.exe	29

C:\Users\Admin\AppData\Local\Temp\4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.exe
"C:\Users\Admin\AppData\Local\Temp\4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:780
- 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:1396
- - 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:1104

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

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
\Users\Admin\AppData\Local\Temp\dell.exe

Filesize
561KB

MD5
a20c8d062159b2740b562a17aa273250

SHA1
9e7cd640eb31599dc45782d1de066c77316363c5

SHA256
4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d

SHA512
8060373a57babbf71c49be92640b73efd5c1bf7ebc08f24f2a47d29f6fb26f956f938cbba17b188554231edbc606cd9751be342f54762d9ce984c5bddf1d39d2

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

Filesize
561KB

MD5
a20c8d062159b2740b562a17aa273250

SHA1
9e7cd640eb31599dc45782d1de066c77316363c5

SHA256
4563d8c090a5838f78d63f99fb225347207dbb47d3fc62168af1320f62134a7d

SHA512
8060373a57babbf71c49be92640b73efd5c1bf7ebc08f24f2a47d29f6fb26f956f938cbba17b188554231edbc606cd9751be342f54762d9ce984c5bddf1d39d2

Download Submit
memory/780-54-0x0000000076321000-0x0000000076323000-memory.dmp

Filesize
8KB

Download
memory/780-55-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download
memory/780-62-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download
memory/1396-63-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download
memory/1396-66-0x0000000074830000-0x0000000074DDB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing