1cfe10bde342b872f2845d9b11459c372799917c10f905000adb39000a09df00

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
01-09-2024 11:05

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General

Target

d70690203da99abfef910eb85dfe9d50N.exe
Size

46KB
MD5

d70690203da99abfef910eb85dfe9d50
SHA1

9bbf2e9bb89ffeec1ba7d25947b9edb10a995c32
SHA256

1cfe10bde342b872f2845d9b11459c372799917c10f905000adb39000a09df00
SHA512

8c976778039fc784d6a7be6fbbc0ac0262087ab830c963415ae6bc1b7b010dc8d95ec746ca207fb707f9b679f7e5181cecda69e701c26a904b1e153c56d27119
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNht:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYN

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3396	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3396	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"	d70690203da99abfef910eb85dfe9d50N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	d70690203da99abfef910eb85dfe9d50N.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	d70690203da99abfef910eb85dfe9d50N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 3396	548	d70690203da99abfef910eb85dfe9d50N.exe	93
PID 548 wrote to memory of 3396	548	d70690203da99abfef910eb85dfe9d50N.exe	93
PID 548 wrote to memory of 3396	548	d70690203da99abfef910eb85dfe9d50N.exe	93

C:\Users\Admin\AppData\Local\Temp\d70690203da99abfef910eb85dfe9d50N.exe
"C:\Users\Admin\AppData\Local\Temp\d70690203da99abfef910eb85dfe9d50N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3396

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=3836,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=4352 /prefetch:8
1⤵
PID:2128

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
46KB

MD5
2babb27f6c224f8a1f60189d08a5543f

SHA1
fcb80d80c8d8561120ad58673d8ee9c4d9a606c5

SHA256
3d689f80346d1c635bf73b15b65ea21b5fa19d6b5c7d71b3789e3446c8729d8b

SHA512
654e754bb166f4453c291549b63b16d0722228ab869fd7e16a6507769948ae9cb440281578319bec63bf30db7f1f770eb0f4f4fdded202000dfec5230d993ccc

Download Submit
memory/548-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/548-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3396-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3396-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads