f176e309466ca8d732eb7379a9105a883e1da8b2728997ff78f2b22b0caa4a11

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 04:31

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General

Target

f176e309466ca8d732eb7379a9105a883e1da8b2728997ff78f2b22b0caa4a11.exe
Size

38KB
MD5

809e7f5804a7f2074540585100869a05
SHA1

21db00892f08308a85148d40527aaed57c7a53af
SHA256

f176e309466ca8d732eb7379a9105a883e1da8b2728997ff78f2b22b0caa4a11
SHA512

abdec5666f048ac501371d998f0890f928044a13aaf2020f8bee6d9ce32459b5f3937cac2821eb0321bff39d5371776f3037fe81b768082ff0ee2582b5eb120a
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhK:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYq

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3652	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3652	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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	f176e309466ca8d732eb7379a9105a883e1da8b2728997ff78f2b22b0caa4a11.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f176e309466ca8d732eb7379a9105a883e1da8b2728997ff78f2b22b0caa4a11.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4404 wrote to memory of 3652	4404	f176e309466ca8d732eb7379a9105a883e1da8b2728997ff78f2b22b0caa4a11.exe	90
PID 4404 wrote to memory of 3652	4404	f176e309466ca8d732eb7379a9105a883e1da8b2728997ff78f2b22b0caa4a11.exe	90
PID 4404 wrote to memory of 3652	4404	f176e309466ca8d732eb7379a9105a883e1da8b2728997ff78f2b22b0caa4a11.exe	90

C:\Users\Admin\AppData\Local\Temp\f176e309466ca8d732eb7379a9105a883e1da8b2728997ff78f2b22b0caa4a11.exe
"C:\Users\Admin\AppData\Local\Temp\f176e309466ca8d732eb7379a9105a883e1da8b2728997ff78f2b22b0caa4a11.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4404
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:3652

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 --no-appcompat-clear --mojo-platform-channel-handle=1316 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:224

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
38KB

MD5
970dd05643c938f5201302fb606448fd

SHA1
0f4056a81e1822af343b9ebd4cf63256ba62ee0f

SHA256
82fb3fae7e8cc2895947540443ff53f924187f3534c1107ee7e43498090cb947

SHA512
e4b665367a9ae70f284b37469477bc7c28dfd98ff0d67714ba82c06a93e4226b155f0586b2fcd2be09ac2ec86ad39767890fefe4f05beae3302ab6b885589bff

Download Submit
memory/4404-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4404-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads