793acc5a6b6454924da1e8a8bf23e7ff7ebcc9631f7944b33b406ae731ccef7e

Analysis

max time kernel
120s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-10-2024 11:30

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General

Target

793acc5a6b6454924da1e8a8bf23e7ff7ebcc9631f7944b33b406ae731ccef7eN.exe
Size

45KB
MD5

7244c58296ac519d97bda0c57b66fe00
SHA1

ba0e833313190d41c98e4810788988e9e471a035
SHA256

793acc5a6b6454924da1e8a8bf23e7ff7ebcc9631f7944b33b406ae731ccef7e
SHA512

428c3e7594d873d0f270f80d520cfc90f0cb5b04f66ca4e61ebb744a5a2d52844d7aaf3d62de93b848e03d63e353e30ac63d0e679011eca64459f96c5b4bd505
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhd:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY9

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2000	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2000	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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	793acc5a6b6454924da1e8a8bf23e7ff7ebcc9631f7944b33b406ae731ccef7eN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	793acc5a6b6454924da1e8a8bf23e7ff7ebcc9631f7944b33b406ae731ccef7eN.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	793acc5a6b6454924da1e8a8bf23e7ff7ebcc9631f7944b33b406ae731ccef7eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 2000	4840	793acc5a6b6454924da1e8a8bf23e7ff7ebcc9631f7944b33b406ae731ccef7eN.exe	84
PID 4840 wrote to memory of 2000	4840	793acc5a6b6454924da1e8a8bf23e7ff7ebcc9631f7944b33b406ae731ccef7eN.exe	84
PID 4840 wrote to memory of 2000	4840	793acc5a6b6454924da1e8a8bf23e7ff7ebcc9631f7944b33b406ae731ccef7eN.exe	84

C:\Users\Admin\AppData\Local\Temp\793acc5a6b6454924da1e8a8bf23e7ff7ebcc9631f7944b33b406ae731ccef7eN.exe
"C:\Users\Admin\AppData\Local\Temp\793acc5a6b6454924da1e8a8bf23e7ff7ebcc9631f7944b33b406ae731ccef7eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2000

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
45KB

MD5
d17b95118df86225ee98d4f7970efbdf

SHA1
83a3fea03c488e44f053abc81f5cd4782fb0eb1a

SHA256
843d8ee31508de51ec5e6f133318cde67ba7a130fddeaa6d7f9f55d9d41c6d33

SHA512
db6f5142ca5846d94e3fe27ffb78848f75fabe1528289c13d0754172bee57024bb70978efece1e697e46418a13cc704d3cb184bc12db3ef6c3788f3fc2011f1b

Download Submit
memory/2000-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2000-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4840-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4840-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads