56e69db8dd12fcb91547e98307264076ac830348c5ee6cd970f56c192c3af8b1

Analysis

max time kernel
119s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 04:50

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General

Target

cac00413358a35e1d0d4b50e89c9df80N.exe
Size

41KB
MD5

cac00413358a35e1d0d4b50e89c9df80
SHA1

f51b70fa6f7f8b3424468c90e12fa119bbb170b5
SHA256

56e69db8dd12fcb91547e98307264076ac830348c5ee6cd970f56c192c3af8b1
SHA512

7308d89094b758c68e59c59c10957487c13eb94f4b644eab4f20558eb0a35b5afffb6888d7c3b37cefcc9c8301a54307cf4f99cc06ce975002da58a7e25b1f3a
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhm:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYG

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3364	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3364	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	cac00413358a35e1d0d4b50e89c9df80N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	cac00413358a35e1d0d4b50e89c9df80N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	cac00413358a35e1d0d4b50e89c9df80N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 3364	4220	cac00413358a35e1d0d4b50e89c9df80N.exe	84
PID 4220 wrote to memory of 3364	4220	cac00413358a35e1d0d4b50e89c9df80N.exe	84
PID 4220 wrote to memory of 3364	4220	cac00413358a35e1d0d4b50e89c9df80N.exe	84

C:\Users\Admin\AppData\Local\Temp\cac00413358a35e1d0d4b50e89c9df80N.exe
"C:\Users\Admin\AppData\Local\Temp\cac00413358a35e1d0d4b50e89c9df80N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3364

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
41KB

MD5
f1eb645559b30e09fc6e5f46e0ad4e16

SHA1
d7d32498a9dc5cf7cd8b340948050ca6e4b26422

SHA256
a3142e0c4bb9de455aa6c10c052016b2a1c32f81f2a55496170a15d5b20d0bf8

SHA512
2085c6d7b97a53dd2c4df64f5bf59b3efd8b61eabdd83510f9304a0fc2fc15b713601c285ce67d1fe5636b21ce71a48f205ba6a3017bab2b4806c1789740db51

Download Submit
memory/3364-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3364-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4220-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4220-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads