f0a7d5715cc34a12f251c0a9534f668d0869bc1c152c3ff41df94d3f09b2f5e7

Analysis

max time kernel
1798s
max time network
1806s
platform
windows7_x64
resource
win7-20230220-de
resource tags

arch:x64arch:x86image:win7-20230220-delocale:de-deos:windows7-x64systemwindows
submitted
06-06-2023 09:16

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General

Target

Server.exe
Size

37KB
MD5

738b663cfc11cd8d13b649e744f2eac9
SHA1

acff033151fd4edb675e50e0be2276a0a4ccc97b
SHA256

f0a7d5715cc34a12f251c0a9534f668d0869bc1c152c3ff41df94d3f09b2f5e7
SHA512

f85951bd539a78f8b8a332cbbdb24d9597b7acbc2f1beab2fbfe8607b8c58f99c1e38e76dd78af915b36238e77e2051b1e87dd8cdf415545ccdcc5de48e89ac3
SSDEEP

384:DansiDjT95hL5YyUvZ7vLOw4qYddlrAF+rMRTyN/0L+EcoinblneHQM3epzXlNr2:2vv5zUvZ7blYrlrM+rMRa8Nu/kt

Score

8^/10

evasion

Malware Config

Signatures

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

Server.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	Server.exe

Disables Task Manager via registry modification
evasion
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

840 netsh.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Server.exe

pid process

1472 Server.exe

pid	process
840	netsh.exe

pid	process
1472	Server.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

Server.exe

description	pid	process
Token: SeDebugPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe
Token: SeIncBasePriorityPrivilege	1472	Server.exe
Token: 33	1472	Server.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

Server.exe

description	pid	process	target process
PID 1472 wrote to memory of 840	1472	Server.exe	netsh.exe
PID 1472 wrote to memory of 840	1472	Server.exe	netsh.exe
PID 1472 wrote to memory of 840	1472	Server.exe	netsh.exe
PID 1472 wrote to memory of 840	1472	Server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
1⤵
- Disables RegEdit via registry modification
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472
- 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:840

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
1⤵
PID:1348

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1472-54-0x0000000000BB0000-0x0000000000BF0000-memory.dmp

Filesize
256KB

Download
memory/1472-55-0x0000000000BB0000-0x0000000000BF0000-memory.dmp

Filesize
256KB

Download
memory/1472-56-0x0000000000BB0000-0x0000000000BF0000-memory.dmp

Filesize
256KB

Download