9f5480bde1b27b9ecbf51dd9e1c4fd5af3597720b8a505f49751dd70c25697a6

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 22:02

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General

Target

9f5480bde1b27b9ecbf51dd9e1c4fd5af3597720b8a505f49751dd70c25697a6N.exe
Size

43KB
MD5

00fe31ad8bfadeb94dd03889bb60b160
SHA1

5c6adc68478ad489eeb7dba002bc7851367e8450
SHA256

9f5480bde1b27b9ecbf51dd9e1c4fd5af3597720b8a505f49751dd70c25697a6
SHA512

ab7e91fb2fb1f4949b5b2661f31613b633b9149a3568f783302f53e9b1d317a10ae142cce33581875e7c9d6596d1de6b4341e04621d5ee454b20114fdea7a7b1
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhz:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYT

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5048	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
5048	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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	9f5480bde1b27b9ecbf51dd9e1c4fd5af3597720b8a505f49751dd70c25697a6N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	9f5480bde1b27b9ecbf51dd9e1c4fd5af3597720b8a505f49751dd70c25697a6N.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	9f5480bde1b27b9ecbf51dd9e1c4fd5af3597720b8a505f49751dd70c25697a6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3104 wrote to memory of 5048	3104	9f5480bde1b27b9ecbf51dd9e1c4fd5af3597720b8a505f49751dd70c25697a6N.exe	89
PID 3104 wrote to memory of 5048	3104	9f5480bde1b27b9ecbf51dd9e1c4fd5af3597720b8a505f49751dd70c25697a6N.exe	89
PID 3104 wrote to memory of 5048	3104	9f5480bde1b27b9ecbf51dd9e1c4fd5af3597720b8a505f49751dd70c25697a6N.exe	89

C:\Users\Admin\AppData\Local\Temp\9f5480bde1b27b9ecbf51dd9e1c4fd5af3597720b8a505f49751dd70c25697a6N.exe
"C:\Users\Admin\AppData\Local\Temp\9f5480bde1b27b9ecbf51dd9e1c4fd5af3597720b8a505f49751dd70c25697a6N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3104
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5048

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=4768,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=948 /prefetch:8
1⤵
PID:4724

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
43KB

MD5
e075aa0bdc1863d236c05f83a6716249

SHA1
270e0ed2ab572029d21353316d32a2d6bf818f8a

SHA256
a8f18c3bf0d9bef63c80d077d445ade5df8616baca88da562f9577ec649b3587

SHA512
b89776f184cb7f5c7bec124ee060ec71e30d86a19a9c030723a281f0ebae10831cfd50d05d8344608fa37f7513337fa04582d5862d19c7f496f2563a6d5c37ab

Download Submit
memory/3104-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3104-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/5048-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/5048-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads