79530b48e96df88dfba6140fda649b6841e423f876a4c2d114cff4264332ffb7

Analysis

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

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/06/2024, 23:19

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General

Target

79530b48e96df88dfba6140fda649b6841e423f876a4c2d114cff4264332ffb7.exe
Size

40KB
MD5

9640a99ce6ca8bba18ff4b117e124b2b
SHA1

2bab128a25efd9b2b0f67c276e1b6801729da8e6
SHA256

79530b48e96df88dfba6140fda649b6841e423f876a4c2d114cff4264332ffb7
SHA512

bfce9c139f54f0d90043ae3383ece3023bc8b028bf656182d89ca949566f67dae857731b4ab1f6b98090a022d863b26cfb1b2e166a9e32d52c35818ebf4d0fb5
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhb:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY7

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2416	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2416	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"	79530b48e96df88dfba6140fda649b6841e423f876a4c2d114cff4264332ffb7.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	79530b48e96df88dfba6140fda649b6841e423f876a4c2d114cff4264332ffb7.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 2416	824	79530b48e96df88dfba6140fda649b6841e423f876a4c2d114cff4264332ffb7.exe	90
PID 824 wrote to memory of 2416	824	79530b48e96df88dfba6140fda649b6841e423f876a4c2d114cff4264332ffb7.exe	90
PID 824 wrote to memory of 2416	824	79530b48e96df88dfba6140fda649b6841e423f876a4c2d114cff4264332ffb7.exe	90

C:\Users\Admin\AppData\Local\Temp\79530b48e96df88dfba6140fda649b6841e423f876a4c2d114cff4264332ffb7.exe
"C:\Users\Admin\AppData\Local\Temp\79530b48e96df88dfba6140fda649b6841e423f876a4c2d114cff4264332ffb7.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:824
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2416

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=3952 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:4068

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
40KB

MD5
f00bf999faf69c046ad2c9756d7f5fc4

SHA1
2fb04742bc9eed655c555185f2c6194d45df293e

SHA256
72eadd16d7b26c4c1bd4d097d912da084b2e051c67acae0fd4288a596065a2de

SHA512
1ff7c2e425d9f95754a9d99336e8fc148f5ba1534bc633807ffc6312c00d10545856a25fec8b5b64388acc4009dd84e12d6841707c511d856cd5473ddb0147b3

Download Submit
memory/824-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/824-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads