f0b5285ad8f1762007fd560a554775113e64834b512324abd5ff7b333a7f37e8

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 16:25

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General

Target

Windows_Update.bat
Size

623B
MD5

54cc5be48ccd0f3ebd942bb4b8d6df94
SHA1

6244bfcd1747c623ebb0f5b4c05d7c55733d4402
SHA256

f0b5285ad8f1762007fd560a554775113e64834b512324abd5ff7b333a7f37e8
SHA512

39a2820789000c53f03c118f8d120a32afdff5ab802b509eb50b4439ff9e2cb11f5c278737f13c8a54fa6d89ef74fe1930a4e1cbc5a8abc908e903611bd94137

Score

3^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2740	powershell.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2708	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2740	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2060	2400	cmd.exe	29
PID 2400 wrote to memory of 2060	2400	cmd.exe	29
PID 2400 wrote to memory of 2060	2400	cmd.exe	29
PID 2060 wrote to memory of 2740	2060	cmd.exe	31
PID 2060 wrote to memory of 2740	2060	cmd.exe	31
PID 2060 wrote to memory of 2740	2060	cmd.exe	31
PID 2060 wrote to memory of 2708	2060	cmd.exe	32
PID 2060 wrote to memory of 2708	2060	cmd.exe	32
PID 2060 wrote to memory of 2708	2060	cmd.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Windows_Update.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\Windows_Update.bat" MY_FLAG
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2060
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -ExecutionPolicy Bypass -File "C:\Users\Admin\Pictures\payload.ps1"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2740
- - C:\Windows\system32\timeout.exe
    timeout /t 5 /nobreak
    3⤵
    - Delays execution with timeout.exe
    PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2740-4-0x000007FEF63BE000-0x000007FEF63BF000-memory.dmp

Filesize
4KB

Download
memory/2740-6-0x0000000002800000-0x0000000002808000-memory.dmp

Filesize
32KB

Download
memory/2740-5-0x000000001B600000-0x000000001B8E2000-memory.dmp

Filesize
2.9MB

Download
memory/2740-7-0x0000000002CD4000-0x0000000002CD7000-memory.dmp

Filesize
12KB

Download
memory/2740-8-0x000007FEF6100000-0x000007FEF6A9D000-memory.dmp

Filesize
9.6MB

Download
memory/2740-9-0x000007FEF6100000-0x000007FEF6A9D000-memory.dmp

Filesize
9.6MB

Download