8d031b8a04e58f331437dc11e8f7da6cf5ed407f4dcdceb50cbde8c4eb0b2cba

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/08/2024, 03:55

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General

Target

5dd8f8ea335570f4a2d9acf621bb43a0N.exe
Size

40KB
MD5

5dd8f8ea335570f4a2d9acf621bb43a0
SHA1

4406d9d4ff1eb6dc98439ae6beac567fc30ccb7c
SHA256

8d031b8a04e58f331437dc11e8f7da6cf5ed407f4dcdceb50cbde8c4eb0b2cba
SHA512

a67505c1516b62be481aef4783873fdea6a2f1e61efef9d3f66d19e42a83c902841b9336ea2a25e6fad778aba47f6a7b2bbd2f5c1ebbbb9c25448476bfda9884
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhP:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYv

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4804	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4804	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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	5dd8f8ea335570f4a2d9acf621bb43a0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	5dd8f8ea335570f4a2d9acf621bb43a0N.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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5dd8f8ea335570f4a2d9acf621bb43a0N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 4804	4748	5dd8f8ea335570f4a2d9acf621bb43a0N.exe	82
PID 4748 wrote to memory of 4804	4748	5dd8f8ea335570f4a2d9acf621bb43a0N.exe	82
PID 4748 wrote to memory of 4804	4748	5dd8f8ea335570f4a2d9acf621bb43a0N.exe	82

C:\Users\Admin\AppData\Local\Temp\5dd8f8ea335570f4a2d9acf621bb43a0N.exe
"C:\Users\Admin\AppData\Local\Temp\5dd8f8ea335570f4a2d9acf621bb43a0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4748
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4804

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
40KB

MD5
cab9a2a48fa97eb88a4bc5b1223a5808

SHA1
593b928d0f94689cc9c78063bc85931550d0130e

SHA256
586400b911a349dfd4694fbf06ef85af2ffae1a2d98f40e64199848ea6e9c3ad

SHA512
43bcb973f9dfce721661b9d4e6a18907e33cd884607de9ca93aaf6dc17882389ad23a2e8a2c93222ee5255d4058719a2c911d6547b7311137a3cab1de72051d8

Download Submit
memory/4748-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4748-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads