9f1b0982140fc295b7e3aa25946d4feb12b8da3049b23393e5b9978d88554fc7

Analysis

max time kernel
157s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 21:52

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General

Target

9f1b0982140fc295b7e3aa25946d4feb12b8da3049b23393e5b9978d88554fc7.exe
Size

22KB
MD5

0eaf2102dc644c48b7e74affbf9ff810
SHA1

bbfb9d6ca401349637f079f9c6ea9c1436caa6ba
SHA256

9f1b0982140fc295b7e3aa25946d4feb12b8da3049b23393e5b9978d88554fc7
SHA512

c5a0bd79046540ea8fed0856ed51bba2acbd829a8ee2f09348cf7ae5f6bb3940a9231e5a943136159f2f06bc71a4717ada00a4bbfb5a624a75af284ae1f2e776
SSDEEP

384:KICKqPF/EkecA6C1VqahohtgVRNVdoV7TtRu8rM/dWwYVFl2g5coW58dO0xXHV2n:7qPJtecA6C1VqahohtgVRNToV7TtRu8i

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5908	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
5908	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"	9f1b0982140fc295b7e3aa25946d4feb12b8da3049b23393e5b9978d88554fc7.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	9f1b0982140fc295b7e3aa25946d4feb12b8da3049b23393e5b9978d88554fc7.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5628 wrote to memory of 5908	5628	9f1b0982140fc295b7e3aa25946d4feb12b8da3049b23393e5b9978d88554fc7.exe	98
PID 5628 wrote to memory of 5908	5628	9f1b0982140fc295b7e3aa25946d4feb12b8da3049b23393e5b9978d88554fc7.exe	98
PID 5628 wrote to memory of 5908	5628	9f1b0982140fc295b7e3aa25946d4feb12b8da3049b23393e5b9978d88554fc7.exe	98

C:\Users\Admin\AppData\Local\Temp\9f1b0982140fc295b7e3aa25946d4feb12b8da3049b23393e5b9978d88554fc7.exe
"C:\Users\Admin\AppData\Local\Temp\9f1b0982140fc295b7e3aa25946d4feb12b8da3049b23393e5b9978d88554fc7.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:5628
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:5908

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=3992 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:5188

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
23KB

MD5
023657904a919f8fa87f0a349781c37a

SHA1
e4aa1ccbb94f90b8e7e81bc32951b28dc5696b7c

SHA256
455ce43c813802e323a6ebeff01d29303f86979ffbf67c7e2f2968e92797d4f7

SHA512
825119e033681d94d19a3d2bd7a5f9e55d00b78f56bdc6a69970c4c45f8cb0d49e5cbf73a5b1f85c536d571c48d0dd6345b1094876c0ef0741e8eb4f685ee27d

Download Submit
memory/5628-0-0x0000000000400000-0x0000000000402000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads