801f182db0b7a7a1ead3aa12d021dea6fa12368d127d991a60a8417e8e486360

Analysis

max time kernel
125s
max time network
126s
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.bat
Size

45B
MD5

ce9916d017893396784bb6ee764bebfd
SHA1

c1ef398be0ec53c75a00f7e219260ecd09689a89
SHA256

e0064248a7f07943ecc84e4603259a708d7cf5d5a216acc332867a330a68b6e2
SHA512

fb197bd75e6798c61c08e11cc518485a908cd401e8531d90deadf4cd6d586def14ac213cea977ae034a15cb2d0201cfdca2217af7b922b5d4e464de536793ee7

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

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2588	EAC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	2588	EAC.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 2588	948	cmd.exe	90
PID 948 wrote to memory of 2588	948	cmd.exe	90

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\1003gdDR3\InstallEAC.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:948
- 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:2588

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4120,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4020 /prefetch:8
1⤵
PID:3268

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/2588-0-0x00007FF7EE6A0000-0x00007FF7EEC34000-memory.dmp

Filesize
5.6MB

Download
memory/2588-1-0x00007FFEBEBB0000-0x00007FFEBEBB2000-memory.dmp

Filesize
8KB

Download
memory/2588-2-0x00007FF7EE6A0000-0x00007FF7EEC34000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads