4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc

General

Target

4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc.exe
Size

71KB
MD5

6915ce5700338b8cd322dadf378f76f3
SHA1

b08aca61c8be55e858573724a871e61489f2eb53
SHA256

4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc
SHA512

ff5a058045ea41dcc64cab140396f56a58056f6be0505a319ca0e34031fea4298a291356898ade75813ce461f7ad3a6520bff8b1db1f3a76012966fb7426bd82

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

1476 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
1476	server.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\74e9eceb82f08f900ec2d0614c81cfb5.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\74e9eceb82f08f900ec2d0614c81cfb5.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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\74e9eceb82f08f900ec2d0614c81cfb5 = "\"C:\\Windows\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\74e9eceb82f08f900ec2d0614c81cfb5 = "\"C:\\Windows\\server.exe\" .."	server.exe

Drops file in Windows directory 2 IoCs

Processes:

4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc.exeserver.exe

description	ioc	process
File created	C:\Windows\server.exe	4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc.exe
File opened for modification	C:\Windows\server.exe	server.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 29 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1476	server.exe
Token: 33	1476	server.exe
Token: SeIncBasePriorityPrivilege	1476	server.exe
Token: 33	1476	server.exe
Token: SeIncBasePriorityPrivilege	1476	server.exe
Token: 33	1476	server.exe
Token: SeIncBasePriorityPrivilege	1476	server.exe
Token: 33	1476	server.exe
Token: SeIncBasePriorityPrivilege	1476	server.exe
Token: 33	1476	server.exe
Token: SeIncBasePriorityPrivilege	1476	server.exe
Token: 33	1476	server.exe
Token: SeIncBasePriorityPrivilege	1476	server.exe
Token: 33	1476	server.exe
Token: SeIncBasePriorityPrivilege	1476	server.exe
Token: 33	1476	server.exe
Token: SeIncBasePriorityPrivilege	1476	server.exe
Token: 33	1476	server.exe
Token: SeIncBasePriorityPrivilege	1476	server.exe
Token: 33	1476	server.exe
Token: SeIncBasePriorityPrivilege	1476	server.exe
Token: 33	1476	server.exe
Token: SeIncBasePriorityPrivilege	1476	server.exe
Token: 33	1476	server.exe
Token: SeIncBasePriorityPrivilege	1476	server.exe
Token: 33	1476	server.exe
Token: SeIncBasePriorityPrivilege	1476	server.exe
Token: 33	1476	server.exe
Token: SeIncBasePriorityPrivilege	1476	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc.exeserver.exe

description	pid	process	target process
PID 1852 wrote to memory of 1476	1852	4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc.exe	server.exe
PID 1852 wrote to memory of 1476	1852	4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc.exe	server.exe
PID 1852 wrote to memory of 1476	1852	4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc.exe	server.exe
PID 1476 wrote to memory of 1296	1476	server.exe	netsh.exe
PID 1476 wrote to memory of 1296	1476	server.exe	netsh.exe
PID 1476 wrote to memory of 1296	1476	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc.exe
"C:\Users\Admin\AppData\Local\Temp\4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\server.exe
"C:\Windows\server.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1476

C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Windows\server.exe" "server.exe" ENABLE
3⤵
PID:1296

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

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Downloads

C:\Windows\server.exe

Filesize
71KB

MD5
6915ce5700338b8cd322dadf378f76f3

SHA1
b08aca61c8be55e858573724a871e61489f2eb53

SHA256
4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc

SHA512
ff5a058045ea41dcc64cab140396f56a58056f6be0505a319ca0e34031fea4298a291356898ade75813ce461f7ad3a6520bff8b1db1f3a76012966fb7426bd82

Download Submit
C:\Windows\server.exe

Filesize
71KB

MD5
6915ce5700338b8cd322dadf378f76f3

SHA1
b08aca61c8be55e858573724a871e61489f2eb53

SHA256
4df06fd17571b1ade49b0bff3ea0ac0ef237bacc79780393bcdad9ae820abbdc

SHA512
ff5a058045ea41dcc64cab140396f56a58056f6be0505a319ca0e34031fea4298a291356898ade75813ce461f7ad3a6520bff8b1db1f3a76012966fb7426bd82

Download Submit
memory/1296-60-0x0000000000000000-mapping.dmp

Download
memory/1476-56-0x0000000000000000-mapping.dmp

Download
memory/1476-59-0x000007FEED900000-0x000007FEEE996000-memory.dmp

Filesize
16.6MB

Download
memory/1476-62-0x0000000000836000-0x0000000000855000-memory.dmp

Filesize
124KB

Download
memory/1852-54-0x000007FEF2680000-0x000007FEF3716000-memory.dmp

Filesize
16.6MB

Download
memory/1852-55-0x000007FEFBAA1000-0x000007FEFBAA3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads