e0d913450fcaf59df1b73c7855bb838ff86ddc84045ca69c72ebc7a8c8a53b8f

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-10-2024 16:26

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General

Target

bad.ps1
Size

110B
MD5

23459f07fe98c203526160a5b19ee84a
SHA1

b865f279d511965afb81d100d771557b02c5539f
SHA256

e0d913450fcaf59df1b73c7855bb838ff86ddc84045ca69c72ebc7a8c8a53b8f
SHA512

e3b4e3715eed7db197ba032f5b40b1f9476b8201cbfc39bfe60d8211cd921092c854b64e0921f28150f5dee212a688eb03630425b21b0645480594c6e8ac81a3

Score

8^/10

defense_evasion execution persistence

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow	pid	Process
5	1732	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Roaming\\FEpgBy\\client32.exe"	powershell.exe

Hide Artifacts: Hidden Files and Directories 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

Processes:

cmd.exe

pid	Process
2428	cmd.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
1732	powershell.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

Processes:

ipconfig.exe

pid	Process
2116	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid	Process
1732	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	1732	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

powershell.execmd.exe

description	pid	Process	procid_target
PID 1732 wrote to memory of 2116	1732	powershell.exe	31
PID 1732 wrote to memory of 2116	1732	powershell.exe	31
PID 1732 wrote to memory of 2116	1732	powershell.exe	31
PID 1732 wrote to memory of 2428	1732	powershell.exe	32
PID 1732 wrote to memory of 2428	1732	powershell.exe	32
PID 1732 wrote to memory of 2428	1732	powershell.exe	32
PID 2428 wrote to memory of 2800	2428	cmd.exe	33
PID 2428 wrote to memory of 2800	2428	cmd.exe	33
PID 2428 wrote to memory of 2800	2428	cmd.exe	33

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exe

pid	Process
2800	attrib.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\bad.ps1
1⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Windows\system32\ipconfig.exe
  "C:\Windows\system32\ipconfig.exe" /flushdns
  2⤵
  - Gathers network information
  PID:2116
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /c attrib +h C:\Users\Admin\AppData\Roaming\FEpgBy
  2⤵
  - Hide Artifacts: Hidden Files and Directories
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\system32\attrib.exe
    attrib +h C:\Users\Admin\AppData\Roaming\FEpgBy
    3⤵
    - Views/modifies file attributes
    PID:2800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1732-4-0x000007FEF598E000-0x000007FEF598F000-memory.dmp

Filesize
4KB

Download
memory/1732-5-0x000000001B560000-0x000000001B842000-memory.dmp

Filesize
2.9MB

Download
memory/1732-6-0x0000000002990000-0x0000000002998000-memory.dmp

Filesize
32KB

Download
memory/1732-7-0x000007FEF56D0000-0x000007FEF606D000-memory.dmp

Filesize
9.6MB

Download
memory/1732-8-0x000007FEF56D0000-0x000007FEF606D000-memory.dmp

Filesize
9.6MB

Download
memory/1732-9-0x000007FEF56D0000-0x000007FEF606D000-memory.dmp

Filesize
9.6MB

Download
memory/1732-10-0x000007FEF56D0000-0x000007FEF606D000-memory.dmp

Filesize
9.6MB

Download
memory/1732-11-0x000007FEF598E000-0x000007FEF598F000-memory.dmp

Filesize
4KB

Download
memory/1732-12-0x000007FEF56D0000-0x000007FEF606D000-memory.dmp

Filesize
9.6MB

Download
memory/1732-13-0x000007FEF56D0000-0x000007FEF606D000-memory.dmp

Filesize
9.6MB

Download
memory/1732-14-0x000007FEF56D0000-0x000007FEF606D000-memory.dmp

Filesize
9.6MB

Download