78d5c8659e6038861f0ddc574cb714628051302edf8e2a6cad3622dab359f2ba

Analysis

user interaction
yes
max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
22/09/2026, 10:46

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General

Target
run_freakspan.bat
Size 112KB
Sample260922-mtyhfatfpg
SHA256 78d5c8659e6038861f0ddc574cb714628051302edf8e2a6cad3622dab359f2ba
MD5 97fb88bb9a4de26b1c3702d967820af0
SHA1 ef51e4962217014da3d2bd3c04b90b9504ea1fc0
SHA512 7a3c25a065d1081d201af4b488bef323ea9bff30bcdb2982eed010491ee960c86e893ad8c0353b918ca3134d47b26bd9d86d030d5cae9ad01535295a1b5f5a4a
SSDEEP 1536:9ZSYz0Nn6NXNhwNqu4oD+1ON8ifZ14q6Yz/DqMPzhsifbkgPEoykzghUmndwdxoh:24iRtz/BPzhsif9PCkzghUm6t0
TLSH
T16DB3E757DE533DA5A7A892832DCDB9C21DEC339B30E304ED485BDA9893DC99824F109D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

defense_evasion execution persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 8 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3452	netsh.exe
5448	netsh.exe
4420	netsh.exe
680	netsh.exe
3700	netsh.exe
2128	netsh.exe
1868	netsh.exe
3492	netsh.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3052	powershell.exe
2624	powershell.exe

Hide Artifacts: Ignore Process Interrupts 1 TTPs 1 IoCs

Command interpreters often include specific commands/flags that ignore errors and other hangups.

defense_evasion

Ignore Process Interrupts

T1564.011

pid	Process
6100	powershell.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 24 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4108	cmd.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2624	powershell.exe
2624	powershell.exe
6100	powershell.exe
6100	powershell.exe
3052	powershell.exe
3052	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2624	powershell.exe
Token: SeDebugPrivilege	6100	powershell.exe
Token: SeDebugPrivilege	3052	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 3636	4108	cmd.exe	90
PID 3636 wrote to memory of 4428	3636	net.exe	91
PID 4108 wrote to memory of 2624	4108	cmd.exe	92
PID 4108 wrote to memory of 6100	4108	cmd.exe	93
PID 4108 wrote to memory of 3052	4108	cmd.exe	94
PID 4108 wrote to memory of 680	4108	cmd.exe	95
PID 4108 wrote to memory of 3700	4108	cmd.exe	96
PID 4108 wrote to memory of 2128	4108	cmd.exe	97
PID 4108 wrote to memory of 1868	4108	cmd.exe	98
PID 4108 wrote to memory of 3492	4108	cmd.exe	99
PID 4108 wrote to memory of 3452	4108	cmd.exe	100
PID 4108 wrote to memory of 5448	4108	cmd.exe	101
PID 4108 wrote to memory of 4420	4108	cmd.exe	102

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\run_freakspan.bat"
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4108
- C:\Windows\system32\net.exe
  net session
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3636
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 session
    3⤵
    PID:4428
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -NoProfile -ExecutionPolicy Bypass -Command "$bat='C:\Users\Admin\AppData\Local\Temp\run_freakspan.bat'; $lines=Get-Content -LiteralPath $bat; $s=[Array]::IndexOf($lines,'::FREAKSPAN_BEGIN')+1; $e=[Array]::IndexOf($lines,'::FREAKSPAN_END'); $b64=($lines[$s..($e-1)] -join ''); [IO.File]::WriteAllBytes('C:\Users\Admin\AppData\Roaming\FreakSpan\file.py',[Convert]::FromBase64String($b64))"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2624
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -NoProfile -Command "Unblock-File -LiteralPath 'C:\Users\Admin\AppData\Roaming\FreakSpan\file.py' -ErrorAction SilentlyContinue"
  2⤵
  - Hide Artifacts: Ignore Process Interrupts
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:6100
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -NoProfile -Command "Write-Host 'Download successful' -ForegroundColor Green"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3052
- C:\Windows\system32\netsh.exe
  netsh advfirewall firewall delete rule name="FreakSpan Main TCP"
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:680
- C:\Windows\system32\netsh.exe
  netsh advfirewall firewall add rule name="FreakSpan Main TCP" dir=in action=allow protocol=TCP localport=45917
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:3700
- C:\Windows\system32\netsh.exe
  netsh advfirewall firewall delete rule name="FreakSpan Secondary TCP"
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:2128
- C:\Windows\system32\netsh.exe
  netsh advfirewall firewall add rule name="FreakSpan Secondary TCP" dir=in action=allow protocol=TCP localport=45918
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:1868
- C:\Windows\system32\netsh.exe
  netsh advfirewall firewall delete rule name="FreakSpan Discovery UDP"
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:3492
- C:\Windows\system32\netsh.exe
  netsh advfirewall firewall add rule name="FreakSpan Discovery UDP" dir=in action=allow protocol=UDP localport=45919
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:3452
- C:\Windows\system32\netsh.exe
  netsh advfirewall firewall delete rule name="FreakSpan Outbound HTTPS"
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:5448
- C:\Windows\system32\netsh.exe
  netsh advfirewall firewall add rule name="FreakSpan Outbound HTTPS" dir=out action=allow protocol=TCP remoteport=443
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:4420

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Windows Command Shell

T1059.003

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Hide Artifacts

T1564

Ignore Process Interrupts

T1564.011

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 dd3e23a0f38b25911578eda470771eb68400755c8504293e7bb61cbabc292edb
MD5 2a7f0eccaee20513a16764423f163550
SHA1 2972523df4833d1cdc797fe524f30e99e4ddf991
SHA512 fd3d165f6261a85de8b1a35ab03027d0c7f9162e2cb60e6f2e5e2e392b02b92bb3dd013ff8751417e7127bc919d93a915c81d7a1a3048545959471419e3270ad
TLSH
T17B215733F3CC8624C89A413650CEAC1036B687DB419ECF6BBB84D154A43F599DF61260
MD5 SHA1 SHA512 TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 b67191a152d4566d0194395342f55c6142d94005610603fdc92ac4d491519f82
MD5 836da308c17b18155d513895baff5404
SHA1 548067c779da32edfafb48a6f14e086ed6dac113
SHA512 178cf31b7fc6015878508f9727fbc9feeb029d245b759b27d74ce893732322acf0ecc0c3570ec7c87e62b9e6d58b374a4b529e3e47c42762cd1b8cfe74d73b6a
TLSH
T1AA115733B3CC8724DC9A403650CEAC1136B687DB409EDE6BBB84D549B82F299DE61160
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_kgpbd421.0eq.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kgpbd421.0eq.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/2624-8-0x00007FFF6B810000-0x00007FFF6C1B4000-memory.dmp

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memory/2624-6-0x00007FFF6B810000-0x00007FFF6C1B4000-memory.dmp

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memory/2624-7-0x00007FFF6B810000-0x00007FFF6C1B4000-memory.dmp

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memory/2624-0-0x00007FFF6B99F000-0x00007FFF6B9A0000-memory.dmp

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memory/2624-11-0x00007FFF6B810000-0x00007FFF6C1B4000-memory.dmp

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memory/2624-5-0x00007FFF6B810000-0x00007FFF6C1B4000-memory.dmp

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memory/2624-4-0x00007FFF6B810000-0x00007FFF6C1B4000-memory.dmp

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memory/2624-3-0x00000216E8FF0000-0x00000216E9012000-memory.dmp

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memory/6100-15-0x00007FFF6B810000-0x00007FFF6C1B4000-memory.dmp

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memory/6100-16-0x00007FFF6B810000-0x00007FFF6C1B4000-memory.dmp

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memory/6100-18-0x00007FFF6B810000-0x00007FFF6C1B4000-memory.dmp

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memory/6100-19-0x00007FFF6B810000-0x00007FFF6C1B4000-memory.dmp

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