83d76ef7a8636095052d375194aa125c065a58af6d3254493a6c03d040f56f6e

Analysis

max time kernel
119s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/08/2024, 09:35

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General

Target

67bdabfe5dfb2d3290e5370eafa63440N.exe
Size

42KB
MD5

67bdabfe5dfb2d3290e5370eafa63440
SHA1

f342a866ef2029ed4bb34f3505a6f8a90d867ffa
SHA256

83d76ef7a8636095052d375194aa125c065a58af6d3254493a6c03d040f56f6e
SHA512

45b82ba7247d21a1e4286a9cf4370daf7ec18e68764c3901f406a96269265cf5bbc13f71b504ec3c71ef5db625a68743e10616df9c46fb8102ec0cc16bd105dc
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh8:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYc

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3904	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3904	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"	67bdabfe5dfb2d3290e5370eafa63440N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	67bdabfe5dfb2d3290e5370eafa63440N.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	67bdabfe5dfb2d3290e5370eafa63440N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 3904	2332	67bdabfe5dfb2d3290e5370eafa63440N.exe	84
PID 2332 wrote to memory of 3904	2332	67bdabfe5dfb2d3290e5370eafa63440N.exe	84
PID 2332 wrote to memory of 3904	2332	67bdabfe5dfb2d3290e5370eafa63440N.exe	84

C:\Users\Admin\AppData\Local\Temp\67bdabfe5dfb2d3290e5370eafa63440N.exe
"C:\Users\Admin\AppData\Local\Temp\67bdabfe5dfb2d3290e5370eafa63440N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3904

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
42KB

MD5
175603fd47aefaf0da68d1cd25ccbddb

SHA1
903b0f1694c76b79ea1a71ffc61117f630727f80

SHA256
c401426b5c20932e80090845834f27fe0bd04e4b95d53eaff671c58deb67df35

SHA512
e58ea55146214cc3d81054a8521882537706a131d20c52177791b5cd631b350760a658dcec4a5e666fc2309664907e91dae6c3287f6d5b89e325107dcae4652d

Download Submit
memory/2332-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2332-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3904-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads