4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3

General

Target

4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3.exe
Size

43KB
MD5

0b29295ab9a85de16f4986ddfa429736
SHA1

a1dba87f0303dd0949a7aef43a22bf21faf82d47
SHA256

4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3
SHA512

7e8aea4c2ccbada8016c542ad138a0a3594873ca2a7e0bf1a33190ddd3bc9655997c7b28ae80dee2b53c73b51319ca77bf757475185046b5478a65355d106974
SSDEEP

768:T0YywTp8KxoTXS+GkvWrW9GTe2OZ501U6HEjHXuqvtq1/dEb17xFDZshR3lN83fp:DGGHpxMJWa2ZfHCCrk

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

internet.exe

pid process

1240 internet.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

900 netsh.exe

pid	process
1240	internet.exe

pid	process
900	netsh.exe

Drops startup file 2 IoCs

Processes:

internet.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\32f86268028bb7f4d8a6758000010377.exe	internet.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\32f86268028bb7f4d8a6758000010377.exe	internet.exe

Loads dropped DLL 1 IoCs

Processes:

4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3.exe

pid process

1168 4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3.exe

pid	process
1168	4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

internet.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\32f86268028bb7f4d8a6758000010377 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\internet.exe\" .."	internet.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\32f86268028bb7f4d8a6758000010377 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\internet.exe\" .."	internet.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

Processes:

internet.exe

pid process

1240 internet.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

internet.exe

description pid process

Token: SeDebugPrivilege 1240 internet.exe

pid	process
1240	internet.exe

description	pid	process
Token: SeDebugPrivilege	1240	internet.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3.exeinternet.exe

description	pid	process	target process
PID 1168 wrote to memory of 1240	1168	4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3.exe	internet.exe
PID 1168 wrote to memory of 1240	1168	4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3.exe	internet.exe
PID 1168 wrote to memory of 1240	1168	4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3.exe	internet.exe
PID 1168 wrote to memory of 1240	1168	4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3.exe	internet.exe
PID 1240 wrote to memory of 900	1240	internet.exe	netsh.exe
PID 1240 wrote to memory of 900	1240	internet.exe	netsh.exe
PID 1240 wrote to memory of 900	1240	internet.exe	netsh.exe
PID 1240 wrote to memory of 900	1240	internet.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3.exe
"C:\Users\Admin\AppData\Local\Temp\4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1168

C:\Users\Admin\AppData\Local\Temp\internet.exe
"C:\Users\Admin\AppData\Local\Temp\internet.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:1240

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\internet.exe" "internet.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:900

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\internet.exe
Filesize
43KB

MD5
0b29295ab9a85de16f4986ddfa429736

SHA1
a1dba87f0303dd0949a7aef43a22bf21faf82d47

SHA256
4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3

SHA512
7e8aea4c2ccbada8016c542ad138a0a3594873ca2a7e0bf1a33190ddd3bc9655997c7b28ae80dee2b53c73b51319ca77bf757475185046b5478a65355d106974

Download Submit
C:\Users\Admin\AppData\Local\Temp\internet.exe
Filesize
43KB

MD5
0b29295ab9a85de16f4986ddfa429736

SHA1
a1dba87f0303dd0949a7aef43a22bf21faf82d47

SHA256
4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3

SHA512
7e8aea4c2ccbada8016c542ad138a0a3594873ca2a7e0bf1a33190ddd3bc9655997c7b28ae80dee2b53c73b51319ca77bf757475185046b5478a65355d106974

Download Submit
\Users\Admin\AppData\Local\Temp\internet.exe
Filesize
43KB

MD5
0b29295ab9a85de16f4986ddfa429736

SHA1
a1dba87f0303dd0949a7aef43a22bf21faf82d47

SHA256
4d1b673bd4b7e69436eb2c0946392b644e986a5a4470bd35f2953a69f81f94e3

SHA512
7e8aea4c2ccbada8016c542ad138a0a3594873ca2a7e0bf1a33190ddd3bc9655997c7b28ae80dee2b53c73b51319ca77bf757475185046b5478a65355d106974

Download Submit
memory/900-60-0x0000000000000000-mapping.dmp

Download
memory/1168-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/1168-61-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/1240-56-0x0000000000000000-mapping.dmp

Download
memory/1240-62-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/1240-64-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads