bd671f01e9259cca3400d06c06fd6ac808e677d510f8ee5ed2e3060e54b79778

Analysis

max time kernel
149s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
28/09/2024, 01:37

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General

Target

bd671f01e9259cca3400d06c06fd6ac808e677d510f8ee5ed2e3060e54b79778.exe
Size

58KB
MD5

11070ad9b9fdd310891d3bd489d24623
SHA1

872fc92854036b78b5bc9af88f5b1e2e2adab4e0
SHA256

bd671f01e9259cca3400d06c06fd6ac808e677d510f8ee5ed2e3060e54b79778
SHA512

efb86100805631ca9971c631bd9bcadd7896c47752845e6a9ae282de35c63e3cb50dd463d16eb26426e3460a611ef809c792bcacd656421d8eb50ee0221c1f21
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIM:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVm

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2692	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	bd671f01e9259cca3400d06c06fd6ac808e677d510f8ee5ed2e3060e54b79778.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	bd671f01e9259cca3400d06c06fd6ac808e677d510f8ee5ed2e3060e54b79778.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	bd671f01e9259cca3400d06c06fd6ac808e677d510f8ee5ed2e3060e54b79778.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 2692	1884	bd671f01e9259cca3400d06c06fd6ac808e677d510f8ee5ed2e3060e54b79778.exe	30
PID 1884 wrote to memory of 2692	1884	bd671f01e9259cca3400d06c06fd6ac808e677d510f8ee5ed2e3060e54b79778.exe	30
PID 1884 wrote to memory of 2692	1884	bd671f01e9259cca3400d06c06fd6ac808e677d510f8ee5ed2e3060e54b79778.exe	30
PID 1884 wrote to memory of 2692	1884	bd671f01e9259cca3400d06c06fd6ac808e677d510f8ee5ed2e3060e54b79778.exe	30

C:\Users\Admin\AppData\Local\Temp\bd671f01e9259cca3400d06c06fd6ac808e677d510f8ee5ed2e3060e54b79778.exe
"C:\Users\Admin\AppData\Local\Temp\bd671f01e9259cca3400d06c06fd6ac808e677d510f8ee5ed2e3060e54b79778.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2692

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
59KB

MD5
dd811e34f656e485cf27a94bad2cf063

SHA1
6ff3bbf56c37967cc5f5018893e3f6d640192240

SHA256
acd199a33a7e4b856d4d4735eec1685582f2f751595ddbcbe389708d2173bf2e

SHA512
b9bc67cda19bb9161dfdf896a62db66b6bdd43943909466ac0b7e8467b14e5d339f55a3b87282e621da8db2c7e76657417bef086f97ae0a05c3d2845562cf8ee

Download Submit
memory/1884-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1884-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2692-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2692-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads