5fc351c3de5088a23ed131b4539000a7066b92af02ba7780dbb43b1f7641b5db

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 14:19

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General

Target

db809396a444d96e01f0a0c98d8db580N.exe
Size

41KB
MD5

db809396a444d96e01f0a0c98d8db580
SHA1

ae670b7f30e0be740de8522e75630fc86a829e60
SHA256

5fc351c3de5088a23ed131b4539000a7066b92af02ba7780dbb43b1f7641b5db
SHA512

43c1a7e2b915df99f894b2faf27be2412c39d1c954258e6630a380d2a4a5244299086ba74567819c1e35867f6bbad0bddfbb5e308127eb797f1cebd02c159c3d
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhb:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY7

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3316	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3316	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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	db809396a444d96e01f0a0c98d8db580N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	db809396a444d96e01f0a0c98d8db580N.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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	db809396a444d96e01f0a0c98d8db580N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 3316	4084	db809396a444d96e01f0a0c98d8db580N.exe	86
PID 4084 wrote to memory of 3316	4084	db809396a444d96e01f0a0c98d8db580N.exe	86
PID 4084 wrote to memory of 3316	4084	db809396a444d96e01f0a0c98d8db580N.exe	86

C:\Users\Admin\AppData\Local\Temp\db809396a444d96e01f0a0c98d8db580N.exe
"C:\Users\Admin\AppData\Local\Temp\db809396a444d96e01f0a0c98d8db580N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4084
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3316

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

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Downloads

C:\Windows\microsofthelp.exe

Filesize
41KB

MD5
f123133291efafd8a2018bb4fe3055bf

SHA1
e005442cc6938c5ceaf56a6a8a3f9dd6125422b0

SHA256
bceca58ac3159360a1d5e3e2879cc067641d853c8809e7b00608b6fd2a262c52

SHA512
7d6fc9707002f6afe37597695aa31a7fd94e0d80eec3f7168f26aa91646b0fc30d1a01eaaf8ca7ba6779ec02ba73624b70687bdff0e31de83521fbcc32801391

Download Submit
memory/3316-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4084-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4084-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads