76128c50808ed20cde1f541cd9533000d1336db82eecf3db328da466895c6e77

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2024 15:38

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General

Target

76128c50808ed20cde1f541cd9533000d1336db82eecf3db328da466895c6e77N.exe
Size

42KB
MD5

723ae828230cafb1457ddad639b773c0
SHA1

528c7fc0dd275da8d96127c86b754e5f7e1c66c0
SHA256

76128c50808ed20cde1f541cd9533000d1336db82eecf3db328da466895c6e77
SHA512

25bccf8339cd2787c2a9f0d8d6e0230c796f87aae5e4f146c1e627b9bcf887653f3823bd4445187e39fa9d89142b89f547804649dda54dffcd3982fd77b9f6b4
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IK:e6q10k0EFjed6rqJ+6vghzwYu7vih9GG

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4956	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4956	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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	76128c50808ed20cde1f541cd9533000d1336db82eecf3db328da466895c6e77N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	76128c50808ed20cde1f541cd9533000d1336db82eecf3db328da466895c6e77N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	76128c50808ed20cde1f541cd9533000d1336db82eecf3db328da466895c6e77N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 4956	2976	76128c50808ed20cde1f541cd9533000d1336db82eecf3db328da466895c6e77N.exe	82
PID 2976 wrote to memory of 4956	2976	76128c50808ed20cde1f541cd9533000d1336db82eecf3db328da466895c6e77N.exe	82
PID 2976 wrote to memory of 4956	2976	76128c50808ed20cde1f541cd9533000d1336db82eecf3db328da466895c6e77N.exe	82

C:\Users\Admin\AppData\Local\Temp\76128c50808ed20cde1f541cd9533000d1336db82eecf3db328da466895c6e77N.exe
"C:\Users\Admin\AppData\Local\Temp\76128c50808ed20cde1f541cd9533000d1336db82eecf3db328da466895c6e77N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:4956

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
2e1b203b43a1a32a104e5d9e74cfb8f8

SHA1
d7b305e1e372dffba911948e3fb226c6f2523ce6

SHA256
2154e4089629947ec3c7b633f3a196600182e81ee7f4a3ec35fb6b9d1941479a

SHA512
b47d4cfacbdbe79faa594515930ab236ae51040ca676684cb5640c305baa662f3bae422388720a8e4a8908c8efe0d6fc2c5688134594d00e26d65bba410960ca

Download Submit
memory/2976-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2976-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4956-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads