377d4932de1ab98afdf02138d108f1c40bd70b1517ead4aaf2b6e2a1120b05db

Analysis

max time kernel
120s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 23:26

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General

Target

377d4932de1ab98afdf02138d108f1c40bd70b1517ead4aaf2b6e2a1120b05dbN.exe
Size

46KB
MD5

e9b9f1f149cabb1ecc2749a76226c8c0
SHA1

157cf7b85fd0c6da99c365e96de10c6c6bbc9655
SHA256

377d4932de1ab98afdf02138d108f1c40bd70b1517ead4aaf2b6e2a1120b05db
SHA512

93a5695fbeae8eddbfa163c44b61d058f7caeabd017808c47f949438c36ec31f66a935b3fd780cbd10cb6ca4055129e4d3624f0af716ad378e70fd53cab1cee9
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhq:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYK

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1760	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1760	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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	377d4932de1ab98afdf02138d108f1c40bd70b1517ead4aaf2b6e2a1120b05dbN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	377d4932de1ab98afdf02138d108f1c40bd70b1517ead4aaf2b6e2a1120b05dbN.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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	377d4932de1ab98afdf02138d108f1c40bd70b1517ead4aaf2b6e2a1120b05dbN.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 1760	4416	377d4932de1ab98afdf02138d108f1c40bd70b1517ead4aaf2b6e2a1120b05dbN.exe	82
PID 4416 wrote to memory of 1760	4416	377d4932de1ab98afdf02138d108f1c40bd70b1517ead4aaf2b6e2a1120b05dbN.exe	82
PID 4416 wrote to memory of 1760	4416	377d4932de1ab98afdf02138d108f1c40bd70b1517ead4aaf2b6e2a1120b05dbN.exe	82

C:\Users\Admin\AppData\Local\Temp\377d4932de1ab98afdf02138d108f1c40bd70b1517ead4aaf2b6e2a1120b05dbN.exe
"C:\Users\Admin\AppData\Local\Temp\377d4932de1ab98afdf02138d108f1c40bd70b1517ead4aaf2b6e2a1120b05dbN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1760

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
47KB

MD5
b112db7ccfd2aed50e6f18dd495fd2c3

SHA1
868f8ad2dd0b26fca6c571e080d1f38e5fbbcd96

SHA256
1cd8a0764dee5e093526c80271b12123baa06aae7cf9a62a045ab909eb6dd598

SHA512
115190bc0a9deff71f6b239b37c3b809d6e828014e205c8732ae357cf095777fc4d28de85843fb5bfac46800c8dd494c267b616f55959854d1fc1ac9b82aa152

Download Submit
memory/1760-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4416-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/4416-5-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads