8202bf15241572d97e69284a49e93f767b9a4e3353dad0ca8229e96970342ded

General

Target

8202bf15241572d97e69284a49e93f767b9a4e3353dad0ca8229e96970342ded.exe
Size

63KB
MD5

f4d951691263d76bba6b791af761487a
SHA1

5ba092de55213130d45453ce70569b6d8f67e65e
SHA256

8202bf15241572d97e69284a49e93f767b9a4e3353dad0ca8229e96970342ded
SHA512

f3d330788086ba96bf65bbc1498bf3cb83cb79f9088fa1ebd6c3a140b7a98192bc7c821c7207fcebb47c7dbdba00a062c84039239ed4a5ae1e37d19db3453e15
SSDEEP

1536:8dDFXXwqEcPpa+54aNEIaYnmGN6eyA37VXy:8dDFXXwWhaU4aGxYpN6HALVXy

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

1916 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1192 netsh.exe

pid	process
1916	server.exe

pid	process
1192	netsh.exe

Drops startup file 2 IoCs

Processes:

server.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c89c5661f15916f1fe92e1e20c377061.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c89c5661f15916f1fe92e1e20c377061.exe	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\c89c5661f15916f1fe92e1e20c377061 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c89c5661f15916f1fe92e1e20c377061 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Drops file in Windows directory 2 IoCs

Processes:

8202bf15241572d97e69284a49e93f767b9a4e3353dad0ca8229e96970342ded.exe

description	ioc	process
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\security.config.cch.new	8202bf15241572d97e69284a49e93f767b9a4e3353dad0ca8229e96970342ded.exe
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\enterprisesec.config.cch.new	8202bf15241572d97e69284a49e93f767b9a4e3353dad0ca8229e96970342ded.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 19 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1916	server.exe
Token: 33	1916	server.exe
Token: SeIncBasePriorityPrivilege	1916	server.exe
Token: 33	1916	server.exe
Token: SeIncBasePriorityPrivilege	1916	server.exe
Token: 33	1916	server.exe
Token: SeIncBasePriorityPrivilege	1916	server.exe
Token: 33	1916	server.exe
Token: SeIncBasePriorityPrivilege	1916	server.exe
Token: 33	1916	server.exe
Token: SeIncBasePriorityPrivilege	1916	server.exe
Token: 33	1916	server.exe
Token: SeIncBasePriorityPrivilege	1916	server.exe
Token: 33	1916	server.exe
Token: SeIncBasePriorityPrivilege	1916	server.exe
Token: 33	1916	server.exe
Token: SeIncBasePriorityPrivilege	1916	server.exe
Token: 33	1916	server.exe
Token: SeIncBasePriorityPrivilege	1916	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

8202bf15241572d97e69284a49e93f767b9a4e3353dad0ca8229e96970342ded.exeserver.exe

description	pid	process	target process
PID 2020 wrote to memory of 1916	2020	8202bf15241572d97e69284a49e93f767b9a4e3353dad0ca8229e96970342ded.exe	server.exe
PID 2020 wrote to memory of 1916	2020	8202bf15241572d97e69284a49e93f767b9a4e3353dad0ca8229e96970342ded.exe	server.exe
PID 2020 wrote to memory of 1916	2020	8202bf15241572d97e69284a49e93f767b9a4e3353dad0ca8229e96970342ded.exe	server.exe
PID 1916 wrote to memory of 1192	1916	server.exe	netsh.exe
PID 1916 wrote to memory of 1192	1916	server.exe	netsh.exe
PID 1916 wrote to memory of 1192	1916	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\8202bf15241572d97e69284a49e93f767b9a4e3353dad0ca8229e96970342ded.exe
"C:\Users\Admin\AppData\Local\Temp\8202bf15241572d97e69284a49e93f767b9a4e3353dad0ca8229e96970342ded.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2020

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1916

C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1192

Network

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\server.exe
Filesize
63KB

MD5
f4d951691263d76bba6b791af761487a

SHA1
5ba092de55213130d45453ce70569b6d8f67e65e

SHA256
8202bf15241572d97e69284a49e93f767b9a4e3353dad0ca8229e96970342ded

SHA512
f3d330788086ba96bf65bbc1498bf3cb83cb79f9088fa1ebd6c3a140b7a98192bc7c821c7207fcebb47c7dbdba00a062c84039239ed4a5ae1e37d19db3453e15

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
63KB

MD5
f4d951691263d76bba6b791af761487a

SHA1
5ba092de55213130d45453ce70569b6d8f67e65e

SHA256
8202bf15241572d97e69284a49e93f767b9a4e3353dad0ca8229e96970342ded

SHA512
f3d330788086ba96bf65bbc1498bf3cb83cb79f9088fa1ebd6c3a140b7a98192bc7c821c7207fcebb47c7dbdba00a062c84039239ed4a5ae1e37d19db3453e15

Download Submit
memory/1192-62-0x0000000000000000-mapping.dmp

Download
memory/1916-57-0x0000000000000000-mapping.dmp

Download
memory/1916-60-0x000007FEF3F40000-0x000007FEF4963000-memory.dmp

Filesize
10.1MB

Download
memory/1916-61-0x000007FEF2EA0000-0x000007FEF3F36000-memory.dmp

Filesize
16.6MB

Download
memory/1916-64-0x0000000000C76000-0x0000000000C95000-memory.dmp

Filesize
124KB

Download
memory/1916-65-0x0000000000C76000-0x0000000000C95000-memory.dmp

Filesize
124KB

Download
memory/2020-54-0x000007FEF3F40000-0x000007FEF4963000-memory.dmp

Filesize
10.1MB

Download
memory/2020-55-0x000007FEF2EA0000-0x000007FEF3F36000-memory.dmp

Filesize
16.6MB

Download
memory/2020-56-0x000007FEFC2C1000-0x000007FEFC2C3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads