e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb

General

Target

e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb.exe
Size

536KB
MD5

921e56fed884e57506cd29b86c3d81f8
SHA1

e0e3b86a4b71e3cac9bcbadc4fcc49e59f269a7b
SHA256

e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb
SHA512

ace17d8fc4f99ba0a072da33d3a34c15af548cb9760cb450ec3dcc42357063873418b3b0f971d4bcc3e0663ffa79025ac04ae8734a7b92d23ca6e4c0f56f96bd
SSDEEP

12288:H6gjvSVFeqHcWkqW1O2hoMllQoi0a18D3nS7ed33:HHyG5ZoYaAS7ed3

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

System.exe

pid process

1756 System.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

624 netsh.exe

pid	process
1756	System.exe

pid	process
624	netsh.exe

Drops startup file 2 IoCs

Processes:

System.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\301b5fcf8ce2fab8868e80b6c1f912fe.exe	System.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\301b5fcf8ce2fab8868e80b6c1f912fe.exe	System.exe

Loads dropped DLL 2 IoCs

Processes:

e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb.exe

pid	process
1672	e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb.exe
1672	e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

System.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\301b5fcf8ce2fab8868e80b6c1f912fe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\301b5fcf8ce2fab8868e80b6c1f912fe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.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 2 IoCs

Processes:

System.exe

pid process

1756 System.exe
1756 System.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

System.exe

description pid process

Token: SeDebugPrivilege 1756 System.exe

pid	process
1756	System.exe
1756	System.exe

description	pid	process
Token: SeDebugPrivilege	1756	System.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb.exeSystem.exe

description	pid	process	target process
PID 1672 wrote to memory of 1756	1672	e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb.exe	System.exe
PID 1672 wrote to memory of 1756	1672	e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb.exe	System.exe
PID 1672 wrote to memory of 1756	1672	e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb.exe	System.exe
PID 1672 wrote to memory of 1756	1672	e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb.exe	System.exe
PID 1756 wrote to memory of 624	1756	System.exe	netsh.exe
PID 1756 wrote to memory of 624	1756	System.exe	netsh.exe
PID 1756 wrote to memory of 624	1756	System.exe	netsh.exe
PID 1756 wrote to memory of 624	1756	System.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb.exe
"C:\Users\Admin\AppData\Local\Temp\e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1672

C:\Users\Admin\AppData\Local\Temp\System.exe
"C:\Users\Admin\AppData\Local\Temp\System.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:1756

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System.exe" "System.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:624

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\System.exe
Filesize
536KB

MD5
921e56fed884e57506cd29b86c3d81f8

SHA1
e0e3b86a4b71e3cac9bcbadc4fcc49e59f269a7b

SHA256
e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb

SHA512
ace17d8fc4f99ba0a072da33d3a34c15af548cb9760cb450ec3dcc42357063873418b3b0f971d4bcc3e0663ffa79025ac04ae8734a7b92d23ca6e4c0f56f96bd

Download Submit
C:\Users\Admin\AppData\Local\Temp\System.exe
Filesize
536KB

MD5
921e56fed884e57506cd29b86c3d81f8

SHA1
e0e3b86a4b71e3cac9bcbadc4fcc49e59f269a7b

SHA256
e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb

SHA512
ace17d8fc4f99ba0a072da33d3a34c15af548cb9760cb450ec3dcc42357063873418b3b0f971d4bcc3e0663ffa79025ac04ae8734a7b92d23ca6e4c0f56f96bd

Download Submit
\Users\Admin\AppData\Local\Temp\System.exe
Filesize
536KB

MD5
921e56fed884e57506cd29b86c3d81f8

SHA1
e0e3b86a4b71e3cac9bcbadc4fcc49e59f269a7b

SHA256
e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb

SHA512
ace17d8fc4f99ba0a072da33d3a34c15af548cb9760cb450ec3dcc42357063873418b3b0f971d4bcc3e0663ffa79025ac04ae8734a7b92d23ca6e4c0f56f96bd

Download Submit
\Users\Admin\AppData\Local\Temp\System.exe
Filesize
536KB

MD5
921e56fed884e57506cd29b86c3d81f8

SHA1
e0e3b86a4b71e3cac9bcbadc4fcc49e59f269a7b

SHA256
e3ec2cf9130b065f9f8a79b81b06e9670d99e19f2125b4258625352d26781beb

SHA512
ace17d8fc4f99ba0a072da33d3a34c15af548cb9760cb450ec3dcc42357063873418b3b0f971d4bcc3e0663ffa79025ac04ae8734a7b92d23ca6e4c0f56f96bd

Download Submit
memory/624-64-0x0000000000000000-mapping.dmp

Download
memory/1672-54-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download
memory/1672-55-0x0000000074740000-0x0000000074CEB000-memory.dmp

Filesize
5.7MB

Download
memory/1672-62-0x0000000074740000-0x0000000074CEB000-memory.dmp

Filesize
5.7MB

Download
memory/1756-58-0x0000000000000000-mapping.dmp

Download
memory/1756-63-0x0000000074740000-0x0000000074CEB000-memory.dmp

Filesize
5.7MB

Download
memory/1756-66-0x0000000074740000-0x0000000074CEB000-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