d90004330ab18497e5b5d7c8dc8a5701e52935dfa4418ac9cb29dc0ace36caa5

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
19-09-2024 06:28

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General

Target

d90004330ab18497e5b5d7c8dc8a5701e52935dfa4418ac9cb29dc0ace36caa5N.exe
Size

48KB
MD5

8474db4ee52eeda7ddfff9e99844f600
SHA1

d09da8b2f5cd4d21989fc7ae9a09ca308b42b4a8
SHA256

d90004330ab18497e5b5d7c8dc8a5701e52935dfa4418ac9cb29dc0ace36caa5
SHA512

9faf57ce1cd0af62ed4cbbd070912a5b92aad063e9316b0a5b26b14db5675d014a4f2333515c4836a43ecb507fbd74c25ff803f5ac0593e7245ced02cfaaddee
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIq:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVY

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3068	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3068	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"	d90004330ab18497e5b5d7c8dc8a5701e52935dfa4418ac9cb29dc0ace36caa5N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	d90004330ab18497e5b5d7c8dc8a5701e52935dfa4418ac9cb29dc0ace36caa5N.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	d90004330ab18497e5b5d7c8dc8a5701e52935dfa4418ac9cb29dc0ace36caa5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 3068	2372	d90004330ab18497e5b5d7c8dc8a5701e52935dfa4418ac9cb29dc0ace36caa5N.exe	89
PID 2372 wrote to memory of 3068	2372	d90004330ab18497e5b5d7c8dc8a5701e52935dfa4418ac9cb29dc0ace36caa5N.exe	89
PID 2372 wrote to memory of 3068	2372	d90004330ab18497e5b5d7c8dc8a5701e52935dfa4418ac9cb29dc0ace36caa5N.exe	89

C:\Users\Admin\AppData\Local\Temp\d90004330ab18497e5b5d7c8dc8a5701e52935dfa4418ac9cb29dc0ace36caa5N.exe
"C:\Users\Admin\AppData\Local\Temp\d90004330ab18497e5b5d7c8dc8a5701e52935dfa4418ac9cb29dc0ace36caa5N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3068

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=3000,i,2727319350781907497,7925939240893079607,262144 --variations-seed-version --mojo-platform-channel-handle=4240 /prefetch:8
1⤵
PID:5004

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
48KB

MD5
0a2ced319e31262f989422f0dc0263df

SHA1
9340dc9ca72df4e51b19aeb055ce65e7fbd4790e

SHA256
a7b8bc767c27fd8c4df117894215410abb86615bdbb1dbcecefc1b00dc7a766c

SHA512
32b91345bac5b73e07e1a9996f07493d8d073e315b0e8f6b248fe73b484ae27fdf29ffb16397f0ed4aad2198f02008dd8a59d90230b07f5ec6604f6ffc7cab0d

Download Submit
memory/2372-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2372-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3068-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3068-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads