6103c52e6ad7880896a3fea7613a18e0de0b1c9825601d5aa966965c9df5854a

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
11/09/2024, 04:26

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General

Target

4378bb8f232c3880cf5ef0e14c56afe0N.exe
Size

45KB
MD5

4378bb8f232c3880cf5ef0e14c56afe0
SHA1

f17205fd6c862363dc4596e4d778e10537679bdd
SHA256

6103c52e6ad7880896a3fea7613a18e0de0b1c9825601d5aa966965c9df5854a
SHA512

854fe7c9831a3f61a372bd9b399fd4170f1967e177acf74d3d53c360293e076782a654979dbb40a56fc40428892d36522c5dc36b0879f13e4574e7bfe5ed4010
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh0:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYU

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4804	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4804	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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	4378bb8f232c3880cf5ef0e14c56afe0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	4378bb8f232c3880cf5ef0e14c56afe0N.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	4378bb8f232c3880cf5ef0e14c56afe0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 4804	464	4378bb8f232c3880cf5ef0e14c56afe0N.exe	83
PID 464 wrote to memory of 4804	464	4378bb8f232c3880cf5ef0e14c56afe0N.exe	83
PID 464 wrote to memory of 4804	464	4378bb8f232c3880cf5ef0e14c56afe0N.exe	83

C:\Users\Admin\AppData\Local\Temp\4378bb8f232c3880cf5ef0e14c56afe0N.exe
"C:\Users\Admin\AppData\Local\Temp\4378bb8f232c3880cf5ef0e14c56afe0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:464
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4804

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
779b97bf6c5b6cfa23dff7f2608667f9

SHA1
16dd94da852cd13bebd22758de938ea99232cd51

SHA256
6a1682275f0af99cfeec751c7080f78f4e925b2e62c6bac01571e66888a18819

SHA512
71050a31e6417bfdf226ea0c451242f1762216139066b9c9a9b60f71d466ed903b3277d576996aa2e0273f926e789d54d2a335433c29ad3aa39d6a8136732035

Download Submit
memory/464-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/464-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4804-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads