4fde59a7ce73e68aa649759476e883dba3f6e6d380e261bf87f8dc0ce853322a

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2024, 20:00

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General

Target

4fde59a7ce73e68aa649759476e883dba3f6e6d380e261bf87f8dc0ce853322a.exe
Size

61KB
MD5

91a0863d03b070b4f41b6e8824719d68
SHA1

5e97eb3df827967462088166a75c0808355bba21
SHA256

4fde59a7ce73e68aa649759476e883dba3f6e6d380e261bf87f8dc0ce853322a
SHA512

ca86685715cf8e1ed0f6d1eeed6131588fd2b4e18f6af36c3796ebf8a7ade7e06e6deb8a65cdfef2e371ddefe4e4b201092dff3174d45afcc29a707bc112db17
SSDEEP

1536:/Ao0zj2d6rnJYulBJnDQEEa1EfBE+1EC1p1encpkt9+FrJECOaAesJaEsHTPuBD1:/AoAliulHnDQEEa1EfBE+1EC1p1encpm

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4972	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4972	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-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4fde59a7ce73e68aa649759476e883dba3f6e6d380e261bf87f8dc0ce853322a.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4fde59a7ce73e68aa649759476e883dba3f6e6d380e261bf87f8dc0ce853322a.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 4972	776	4fde59a7ce73e68aa649759476e883dba3f6e6d380e261bf87f8dc0ce853322a.exe	93
PID 776 wrote to memory of 4972	776	4fde59a7ce73e68aa649759476e883dba3f6e6d380e261bf87f8dc0ce853322a.exe	93
PID 776 wrote to memory of 4972	776	4fde59a7ce73e68aa649759476e883dba3f6e6d380e261bf87f8dc0ce853322a.exe	93

C:\Users\Admin\AppData\Local\Temp\4fde59a7ce73e68aa649759476e883dba3f6e6d380e261bf87f8dc0ce853322a.exe
"C:\Users\Admin\AppData\Local\Temp\4fde59a7ce73e68aa649759476e883dba3f6e6d380e261bf87f8dc0ce853322a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:776
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:4972

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=3744 --field-trial-handle=2288,i,10301911031503898037,2997280636231771547,262144 --variations-seed-version /prefetch:8
1⤵
PID:3004

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
61KB

MD5
4334d355d6b767ec432d70f75f34ff53

SHA1
dcc6228a9f7b66f043129918c143b69e3240c59d

SHA256
5f645f5ddafbbc0aac331ca8142a9adaeb6864859a1dc9becc7e6c1b4ba32d19

SHA512
a028c178046fd294a98645838ed173464164a26e62e7389293fa1cc186ed130712f90795946e99351acd1024af1556584f627eeab123e5269a7200af508c46ba

Download Submit
memory/776-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/776-4-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads