580b9204f79028d8c22a2b3f81a77e040d986c34adc2443763cebf128e1f896b

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/11/2024, 01:11

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
580b9204f79028d8c22a2b3f81a77e040d986c34adc2443763cebf128e1f896bN.exe
Size 64KB
Sample241110-bjxmlsvqdy
SHA256 580b9204f79028d8c22a2b3f81a77e040d986c34adc2443763cebf128e1f896b
MD5 9d2bb633bb46b9be5b1a1a3f5e5e46e0
SHA1 14b354783867adb4add7b3296c0798f5004676f8
SHA512 4a27775f5b786860371baedb0124e13d815c8c189e4f24c75cfd536204ec9119ec37a2ffce90a0030d7569914c56e03fab778fe1303190eafdd0ed5b5ef046cb
SSDEEP 1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIF:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVr
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3584	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3584	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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	580b9204f79028d8c22a2b3f81a77e040d986c34adc2443763cebf128e1f896bN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	580b9204f79028d8c22a2b3f81a77e040d986c34adc2443763cebf128e1f896bN.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	580b9204f79028d8c22a2b3f81a77e040d986c34adc2443763cebf128e1f896bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 3584	4676	580b9204f79028d8c22a2b3f81a77e040d986c34adc2443763cebf128e1f896bN.exe	83
PID 4676 wrote to memory of 3584	4676	580b9204f79028d8c22a2b3f81a77e040d986c34adc2443763cebf128e1f896bN.exe	83
PID 4676 wrote to memory of 3584	4676	580b9204f79028d8c22a2b3f81a77e040d986c34adc2443763cebf128e1f896bN.exe	83

C:\Users\Admin\AppData\Local\Temp\580b9204f79028d8c22a2b3f81a77e040d986c34adc2443763cebf128e1f896bN.exe
"C:\Users\Admin\AppData\Local\Temp\580b9204f79028d8c22a2b3f81a77e040d986c34adc2443763cebf128e1f896bN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3584

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

Replay Monitor

Loading Replay Monitor...

Downloads

microsofthelp.exe

Path C:\Windows\microsofthelp.exe
Size 65KB
SHA256 e5c96a8ede0f6b91fe7c3a290f7dd2de62ceaa8a4d58f436805877f4bdca0f28
MD5 c8beb2c98aa5650a28986e0d1f3ec632
SHA1 f137531dd2762ccfe606eba9b46113b73d84735c
SHA512 93370fc6bb0322a9040458ece7c19e0404185850b74e017fc9a12c539bd116bfda19ba599f99403bcb2e56f80da4c037d76283cfed768e453a1124fa52583a7c
SSDEEP 1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhI8:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVK
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3584-6-0x0000000000400000-0x0000000000403000-memory.dmp

Download

memory/4676-0-0x0000000000400000-0x0000000000403000-memory.dmp

Download

memory/4676-4-0x0000000000400000-0x0000000000403000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads