a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 01:49

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General

Target

a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe
Size

42KB
MD5

d09a6d68797729f21edb555effc48650
SHA1

2de146ffcd083a8471f8be6fd4f5c98ebea93d9a
SHA256

a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07
SHA512

c09281e956492ab129297f361236e8a4b13f597f0795ac883d291d5ecd1defb65e6c8a3e2e49d859b5ed5967647b2b2087f9552e6a3fd1b303c878e41c3e8d5f
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhL:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYr

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1396	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1396	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"	a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.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	a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 1396	1384	a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe	89
PID 1384 wrote to memory of 1396	1384	a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe	89
PID 1384 wrote to memory of 1396	1384	a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe	89

C:\Users\Admin\AppData\Local\Temp\a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe
"C:\Users\Admin\AppData\Local\Temp\a210f52061bc2c09fa3df555bec283a9e8c11d4533e0bdeee4287abad2481f07N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1396

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=4260,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:8
1⤵
PID:2556

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
42KB

MD5
e9aef9f9144e50d3d285f9b0d311ac42

SHA1
c3c01d2852494f4048103dd5cce816e6edc5deac

SHA256
432e0d3b37797369d195edce2ae7131953ce13d38a653c0dd7bcb07536b57a22

SHA512
a34c849b1fab863abfab2bf87cb8da370de68cfeb323ab262672997e00ee5343370b2386e88f74cf98448e6a6cbb3479e53853cb02b6ea750e50c25be7c55eb6

Download Submit
memory/1384-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1384-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1396-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads