65a254918e20d911860237a9779182980e51a6c7f3f2444b20ce0f68e18d3a55

Analysis

max time kernel
153s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
16/11/2023, 09:13

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General

Target

NEAS.2a8517db3c2aa2f091ef9e109ce959f0.exe
Size

77KB
MD5

2a8517db3c2aa2f091ef9e109ce959f0
SHA1

1afe62792a1f91f65c7b132e9aecf717c7eb5373
SHA256

65a254918e20d911860237a9779182980e51a6c7f3f2444b20ce0f68e18d3a55
SHA512

1c5fd1ddf32a5540867d51c0f40d888f0bb2c536628bf1aa9585fec846903740e6bed769963345b700533cf476aa1cb979d0c065f776e5576851dd9aa3631f97
SSDEEP

1536:YAowfUJFgjT284U+w2EwRz6OlvaeEpIao/6NXznCCh+61CXCCCC9yttattvtHtgp:YAowyFgjTiUkEwt6OlvaeEpIao/6NDn9

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4584	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4584	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-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	NEAS.2a8517db3c2aa2f091ef9e109ce959f0.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	NEAS.2a8517db3c2aa2f091ef9e109ce959f0.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 4584	3936	NEAS.2a8517db3c2aa2f091ef9e109ce959f0.exe	89
PID 3936 wrote to memory of 4584	3936	NEAS.2a8517db3c2aa2f091ef9e109ce959f0.exe	89
PID 3936 wrote to memory of 4584	3936	NEAS.2a8517db3c2aa2f091ef9e109ce959f0.exe	89

C:\Users\Admin\AppData\Local\Temp\NEAS.2a8517db3c2aa2f091ef9e109ce959f0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2a8517db3c2aa2f091ef9e109ce959f0.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3936
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:4584

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
77KB

MD5
38ff4f16625bb8073d67d3cb9ef1ddee

SHA1
547510af4e650f539d25f5038ae4be384816ad5e

SHA256
62b0545396ecb49c8c2974fb5131856746490760b4fff4f6bc0e91e4b629ac7a

SHA512
a4fb64e063eb81c4a93bf1ab533e14d68892a276a87737c7ac3572c80eb3e87c259b381496b4c6ed412ab223e527ab5dc407b23ce5b1571637b19e313e434960

Download Submit
C:\Windows\microsofthelp.exe

Filesize
77KB

MD5
38ff4f16625bb8073d67d3cb9ef1ddee

SHA1
547510af4e650f539d25f5038ae4be384816ad5e

SHA256
62b0545396ecb49c8c2974fb5131856746490760b4fff4f6bc0e91e4b629ac7a

SHA512
a4fb64e063eb81c4a93bf1ab533e14d68892a276a87737c7ac3572c80eb3e87c259b381496b4c6ed412ab223e527ab5dc407b23ce5b1571637b19e313e434960

Download Submit
memory/3936-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3936-5-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4584-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads