271d3edb1fe545ec7018231b0a1ff40e1454fbc9befe96049b2f629aaddf8905

Analysis

max time kernel
146s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
01/05/2024, 06:01

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General

Target

Server.exe
Size

43KB
MD5

096c893336194f84c8c12680e33ce18f
SHA1

4c2f0cfe820211539d2ecaab80a2a675f78dc7c7
SHA256

271d3edb1fe545ec7018231b0a1ff40e1454fbc9befe96049b2f629aaddf8905
SHA512

0b68d7a2706ec1253352dfc0972f3dca80687d96aa090cb0610d389bae8909e60e5ea64a07dadbfb41a5e55096269c67cfe947e190d3f2f3be1e01fc7303b507
SSDEEP

768:IkhB38+7iJ1SUk27YrK9eTO2ww5E1T6H8jHfYqvtO1Sx4r1hCSNTY7h4HCCjPka:HaenkSU36dsSw4HCCrk

Score

8^/10

evasion persistence

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2584	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8515eb34d8f9de5af815466e9715b3e5.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8515eb34d8f9de5af815466e9715b3e5.exe	Trojan.exe

Executes dropped EXE 1 IoCs

pid	Process
2052	Trojan.exe

Loads dropped DLL 1 IoCs

pid	Process
2956	Server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\8515eb34d8f9de5af815466e9715b3e5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\8515eb34d8f9de5af815466e9715b3e5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Trojan.exe\" .."	Trojan.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2052	Trojan.exe
2052	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2052	Trojan.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 2052	2956	Server.exe	28
PID 2956 wrote to memory of 2052	2956	Server.exe	28
PID 2956 wrote to memory of 2052	2956	Server.exe	28
PID 2956 wrote to memory of 2052	2956	Server.exe	28
PID 2052 wrote to memory of 2584	2052	Trojan.exe	29
PID 2052 wrote to memory of 2584	2052	Trojan.exe	29
PID 2052 wrote to memory of 2584	2052	Trojan.exe	29
PID 2052 wrote to memory of 2584	2052	Trojan.exe	29

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Users\Admin\AppData\Roaming\Trojan.exe
  "C:\Users\Admin\AppData\Roaming\Trojan.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\Trojan.exe

Filesize
43KB

MD5
096c893336194f84c8c12680e33ce18f

SHA1
4c2f0cfe820211539d2ecaab80a2a675f78dc7c7

SHA256
271d3edb1fe545ec7018231b0a1ff40e1454fbc9befe96049b2f629aaddf8905

SHA512
0b68d7a2706ec1253352dfc0972f3dca80687d96aa090cb0610d389bae8909e60e5ea64a07dadbfb41a5e55096269c67cfe947e190d3f2f3be1e01fc7303b507

Download Submit
memory/2052-12-0x0000000000540000-0x0000000000580000-memory.dmp

Filesize
256KB

Download
memory/2052-11-0x0000000074BE0000-0x000000007518B000-memory.dmp

Filesize
5.7MB

Download
memory/2052-16-0x0000000074BE0000-0x000000007518B000-memory.dmp

Filesize
5.7MB

Download
memory/2956-0-0x0000000074BE0000-0x000000007518B000-memory.dmp

Filesize
5.7MB

Download
memory/2956-1-0x0000000001F10000-0x0000000001F50000-memory.dmp

Filesize
256KB

Download
memory/2956-2-0x0000000074BE0000-0x000000007518B000-memory.dmp

Filesize
5.7MB

Download
memory/2956-10-0x0000000074BE0000-0x000000007518B000-memory.dmp

Filesize
5.7MB

Download