fbb05c261096220dff4705d9ef5ffa9edf1ceaf06bbe13a5a6a0fd32b805b4c1

Analysis

max time kernel
116s
max time network
150s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
07-06-2023 05:52

Target

Server.exe
Size

36KB
MD5

da332c85afedb0fb2fcde8b4076b925c
SHA1

c938c87d5d805e7be993f896a4df857debb3a1a7
SHA256

fbb05c261096220dff4705d9ef5ffa9edf1ceaf06bbe13a5a6a0fd32b805b4c1
SHA512

517100f04cdae13ade4a2fc973e08a040637ae0e43117a423d73ce3f58ca6e7f3d1965717b1622feee74ae7fc496537ffbcf87f76582065c4f4ed285a035ff3c
SSDEEP

384:pmOs0IiejvCVLO309QmykrtG+dA+VfwvOSiKrAF+rMRTyN/0L+EcoinblneHQM3a:7FdGdkrgYRwWS9rM+rMRa8NuBht

Score

8^/10

evasion

Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1728 netsh.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Server.exe

pid process

1984 Server.exe
1984 Server.exe
1984 Server.exe

pid	process
1728	netsh.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

Server.exe

description	pid	process
Token: SeDebugPrivilege	1984	Server.exe
Token: 33	1984	Server.exe
Token: SeIncBasePriorityPrivilege	1984	Server.exe
Token: 33	1984	Server.exe
Token: SeIncBasePriorityPrivilege	1984	Server.exe
Token: 33	1984	Server.exe
Token: SeIncBasePriorityPrivilege	1984	Server.exe
Token: 33	1984	Server.exe
Token: SeIncBasePriorityPrivilege	1984	Server.exe
Token: 33	1984	Server.exe
Token: SeIncBasePriorityPrivilege	1984	Server.exe
Token: 33	1984	Server.exe
Token: SeIncBasePriorityPrivilege	1984	Server.exe
Token: 33	1984	Server.exe
Token: SeIncBasePriorityPrivilege	1984	Server.exe
Token: 33	1984	Server.exe
Token: SeIncBasePriorityPrivilege	1984	Server.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

Server.exe

description	pid	process	target process
PID 1984 wrote to memory of 1728	1984	Server.exe	netsh.exe
PID 1984 wrote to memory of 1728	1984	Server.exe	netsh.exe
PID 1984 wrote to memory of 1728	1984	Server.exe	netsh.exe
PID 1984 wrote to memory of 1728	1984	Server.exe	netsh.exe

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
2⤵
- Modifies Windows Firewall
PID:1728

Initial Access

Execution

Persistence

Modify Existing Service

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

Impact

memory/1984-54-0x0000000000C80000-0x0000000000CC0000-memory.dmp

Filesize
256KB

Download
memory/1984-55-0x0000000000C80000-0x0000000000CC0000-memory.dmp

Filesize
256KB

Download
memory/1984-56-0x0000000000C80000-0x0000000000CC0000-memory.dmp

Filesize
256KB

Download