9ded345abd4af80548e8ab58cedb5d3fd8b7b29c828ea341388e34f01e9f870d

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
06/08/2024, 12:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a756ef90e24bbf653438d209461de560N.exe
Size

40KB
MD5

a756ef90e24bbf653438d209461de560
SHA1

2b24fa04be822241df88b3188a2fa8ce05ebabea
SHA256

9ded345abd4af80548e8ab58cedb5d3fd8b7b29c828ea341388e34f01e9f870d
SHA512

d95cd3e13a1b48d62ffcfdea0d669bee2cdf554ce306ade2a0f01cfd1ce708944e8f9fd938843485f23b1e8790fdd94c4de3f493f23a7006867e51ca25a871f2
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhP:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYv

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1376	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1376	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"	a756ef90e24bbf653438d209461de560N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a756ef90e24bbf653438d209461de560N.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	a756ef90e24bbf653438d209461de560N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3236 wrote to memory of 1376	3236	a756ef90e24bbf653438d209461de560N.exe	90
PID 3236 wrote to memory of 1376	3236	a756ef90e24bbf653438d209461de560N.exe	90
PID 3236 wrote to memory of 1376	3236	a756ef90e24bbf653438d209461de560N.exe	90

C:\Users\Admin\AppData\Local\Temp\a756ef90e24bbf653438d209461de560N.exe
"C:\Users\Admin\AppData\Local\Temp\a756ef90e24bbf653438d209461de560N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3236
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1376

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=3264,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /prefetch:8
1⤵
PID:948

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

C:\Windows\microsofthelp.exe

Filesize
41KB

MD5
69f34f732b256e20465f657affcbf9b9

SHA1
63b8428b25dca9b3bf0e054c07e586a7feb468b8

SHA256
e7881e01ad755a2868a888203f4b9ce961242ed2e9318224a862cd13a13798d2

SHA512
d2723c1ea8a22e2b43c36953364e02bcc860a40b09aa422d902090d91125138a793f9a3ccdc4e8d375774c3db7a53bbdc200539477983870f0a535bf2ff86aaa

Download Submit
memory/1376-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3236-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3236-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads