408fc1796ab10ab97b485c967d2cef2f888eacdde65ba80e5892cef63e6feec7

Analysis

max time kernel
119s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 13:05

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General

Target

6699cd45d79e899db07cd14d3dc26380N.exe
Size

45KB
MD5

6699cd45d79e899db07cd14d3dc26380
SHA1

3be9a8d1c59e26ebc1119917fd7ea7559a0de1e4
SHA256

408fc1796ab10ab97b485c967d2cef2f888eacdde65ba80e5892cef63e6feec7
SHA512

434566d1cd763d3a55cde3eb19ec481039b7b1c4defd81813135b5173bb18d5384085eff4db5fb11bbf493d12816d8dc818aacd491c5bf2862108c04ef6674d9
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhe:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY+

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
336	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
336	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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	6699cd45d79e899db07cd14d3dc26380N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	6699cd45d79e899db07cd14d3dc26380N.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	6699cd45d79e899db07cd14d3dc26380N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 724 wrote to memory of 336	724	6699cd45d79e899db07cd14d3dc26380N.exe	84
PID 724 wrote to memory of 336	724	6699cd45d79e899db07cd14d3dc26380N.exe	84
PID 724 wrote to memory of 336	724	6699cd45d79e899db07cd14d3dc26380N.exe	84

C:\Users\Admin\AppData\Local\Temp\6699cd45d79e899db07cd14d3dc26380N.exe
"C:\Users\Admin\AppData\Local\Temp\6699cd45d79e899db07cd14d3dc26380N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:724
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:336

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
2245d62ab8676a81124ef62a2b80121a

SHA1
94d87e0b834c53f6441345a6b7f871d8db4509b1

SHA256
40d5541eaf8ad5b8d23151d8a562b42cdfbeede9080b7f65f9730eafcb75a3ec

SHA512
1a6c7bb9a7e182229e79a9308f908f5c4c42184aa2a874a14408a5963b90cd72eeb265adf735a14a7f833bc34ae22ca2f1e7e41e3b3057a3d74baf8aa23bf03d

Download Submit
memory/336-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/724-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/724-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads