801f182db0b7a7a1ead3aa12d021dea6fa12368d127d991a60a8417e8e486360

Analysis

max time kernel
95s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 20:10

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General

Target

1003gdDR3/InstallEAC_Admin.bat
Size

1KB
MD5

4201e0fffc468e12b613c17e36daed90
SHA1

a40edc8576987c26027fd2e3d5f0d5e873f2f0db
SHA256

4dad1df7f54f5b75bd4bf4ecec1cd8520a028c7b2e5254041cd487f3e7f1d164
SHA512

3733bcc1ebcd3feec3466485ed6cd2df376d3a8b9b4bbbd6c73209c8a901353c3153966bdfd2f71c36edef28842229154ce44d3fe060683aa076230bb9f1ce20

Score

8^/10

persistence

Malware Config

Signatures

Sets service image path in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\execute\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\1003gdDR3\\execute.sys"	EAC.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\EBC\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\1003gdDR3\\EBC.sys"	EAC.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	EAC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	EAC.exe

Runs net.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4220	EAC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	4220	EAC.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 4600	3420	cmd.exe	83
PID 3420 wrote to memory of 4600	3420	cmd.exe	83
PID 4600 wrote to memory of 4168	4600	net.exe	84
PID 4600 wrote to memory of 4168	4600	net.exe	84
PID 3420 wrote to memory of 4220	3420	cmd.exe	85
PID 3420 wrote to memory of 4220	3420	cmd.exe	85

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\1003gdDR3\InstallEAC_Admin.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3420
- C:\Windows\system32\net.exe
  NET FILE
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4600
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 FILE
    3⤵
    PID:4168
- C:\Users\Admin\AppData\Local\Temp\1003gdDR3\EAC.exe
  EAC.exe EBC.sys execute.sys
  2⤵
  - Sets service image path in registry
  - Checks BIOS information in registry
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:4220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4220-0-0x00007FF72D6E0000-0x00007FF72DC74000-memory.dmp

Filesize
5.6MB

Download
memory/4220-1-0x00007FFD18710000-0x00007FFD18712000-memory.dmp

Filesize
8KB

Download
memory/4220-2-0x00007FF72D6E0000-0x00007FF72DC74000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads