31a5ee59f291d5b11e2dcb782c0b0fee0911941c1044d709f0aaac1657c97c1d

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
31-10-2023 08:39

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General

Target

NEAS.9009429ec7ab66503ff3e990bc78c838.exe
Size

87KB
MD5

9009429ec7ab66503ff3e990bc78c838
SHA1

d88779eb94faf940c9c09c005963627aebf8a526
SHA256

31a5ee59f291d5b11e2dcb782c0b0fee0911941c1044d709f0aaac1657c97c1d
SHA512

24735f39267a075c2e9850215fd7e111202f4d66c8b1b306523ed0c3397b8957e08cee1adfe93da6f99181dd3b9bce0b8afb0feb998f7152b2ab2e2be2fda998
SSDEEP

1536:vAowfbJFgjQ284U+w2EwRzSIUqhwDKopH0jIInjjnjjnjnjnjnjj3Q1aaCCCNapo:vAowVFgjQiUkEwtSXqhwDKopH0jIInjV

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2824	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2824	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-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	NEAS.9009429ec7ab66503ff3e990bc78c838.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	NEAS.9009429ec7ab66503ff3e990bc78c838.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2824	2136	NEAS.9009429ec7ab66503ff3e990bc78c838.exe	28
PID 2136 wrote to memory of 2824	2136	NEAS.9009429ec7ab66503ff3e990bc78c838.exe	28
PID 2136 wrote to memory of 2824	2136	NEAS.9009429ec7ab66503ff3e990bc78c838.exe	28
PID 2136 wrote to memory of 2824	2136	NEAS.9009429ec7ab66503ff3e990bc78c838.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.9009429ec7ab66503ff3e990bc78c838.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.9009429ec7ab66503ff3e990bc78c838.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2824

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
88KB

MD5
a6d63fc1548257f42f7d738dc190adab

SHA1
fb0ac152a48c5a7a5ff237b0eb65db1cde5ecff7

SHA256
ae9815f16f968cffea76400231ab984a9ed77999bfb7469989f90574358337d4

SHA512
90539caa6b0a3022a051fe90ff0a6fcb0314a0f0c235e043653c22cb7e40e0ba7d6b7751b017f889159834d82d852b57d157d3ac86e70e9b9349205b045f79bb

Download Submit
C:\Windows\microsofthelp.exe

Filesize
88KB

MD5
a6d63fc1548257f42f7d738dc190adab

SHA1
fb0ac152a48c5a7a5ff237b0eb65db1cde5ecff7

SHA256
ae9815f16f968cffea76400231ab984a9ed77999bfb7469989f90574358337d4

SHA512
90539caa6b0a3022a051fe90ff0a6fcb0314a0f0c235e043653c22cb7e40e0ba7d6b7751b017f889159834d82d852b57d157d3ac86e70e9b9349205b045f79bb

Download Submit
C:\Windows\microsofthelp.exe

Filesize
88KB

MD5
a6d63fc1548257f42f7d738dc190adab

SHA1
fb0ac152a48c5a7a5ff237b0eb65db1cde5ecff7

SHA256
ae9815f16f968cffea76400231ab984a9ed77999bfb7469989f90574358337d4

SHA512
90539caa6b0a3022a051fe90ff0a6fcb0314a0f0c235e043653c22cb7e40e0ba7d6b7751b017f889159834d82d852b57d157d3ac86e70e9b9349205b045f79bb

Download Submit
memory/2136-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2136-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2824-8-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2824-10-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads