f15b8a71f8f4c2281fc5a3adc44ba2920fb6ee2194165521c4f367cac9ef653e

Analysis

max time kernel
121s
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 09:00

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General

Target

NEAS.e6aebf6eb4ff626ad0a2ecb7f7146c00.exe
Size

123KB
MD5

e6aebf6eb4ff626ad0a2ecb7f7146c00
SHA1

fef50f36aa3c8b6bda0604f7a51b33d6d6d0daf7
SHA256

f15b8a71f8f4c2281fc5a3adc44ba2920fb6ee2194165521c4f367cac9ef653e
SHA512

fadf556013a3fd50cf5c538716cf1d3250542992be4075f2f8e1ba1dd5fb5ad9b0ffb9f48c8f434286de1ef15fb5a70a1e50934a64aa8aef41d0e9a18f6efb2f
SSDEEP

3072:PfU/WF6QMauSuiWNi9CO+WARJrWNZIYvQd2b:AWKauSuiWNiUBRJrW7fb

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2740	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1896	wuauclt.exe

Loads dropped DLL 1 IoCs

pid	Process
2628	NEAS.e6aebf6eb4ff626ad0a2ecb7f7146c00.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run"	NEAS.e6aebf6eb4ff626ad0a2ecb7f7146c00.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 1896	2628	NEAS.e6aebf6eb4ff626ad0a2ecb7f7146c00.exe	28
PID 2628 wrote to memory of 1896	2628	NEAS.e6aebf6eb4ff626ad0a2ecb7f7146c00.exe	28
PID 2628 wrote to memory of 1896	2628	NEAS.e6aebf6eb4ff626ad0a2ecb7f7146c00.exe	28
PID 2628 wrote to memory of 1896	2628	NEAS.e6aebf6eb4ff626ad0a2ecb7f7146c00.exe	28
PID 2628 wrote to memory of 2740	2628	NEAS.e6aebf6eb4ff626ad0a2ecb7f7146c00.exe	29
PID 2628 wrote to memory of 2740	2628	NEAS.e6aebf6eb4ff626ad0a2ecb7f7146c00.exe	29
PID 2628 wrote to memory of 2740	2628	NEAS.e6aebf6eb4ff626ad0a2ecb7f7146c00.exe	29
PID 2628 wrote to memory of 2740	2628	NEAS.e6aebf6eb4ff626ad0a2ecb7f7146c00.exe	29

C:\Users\Admin\AppData\Local\Temp\NEAS.e6aebf6eb4ff626ad0a2ecb7f7146c00.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.e6aebf6eb4ff626ad0a2ecb7f7146c00.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2628
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  PID:1896
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.e6aebf6eb4ff626ad0a2ecb7f7146c00.exe" >> NUL
  2⤵
  - Deletes itself
  PID:2740

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Update\wuauclt.exe

Filesize
123KB

MD5
8611946dc483a4a0298fac90ea98937c

SHA1
a7273f4b3743a1c087f80932c25cbc1e50d96bbc

SHA256
e85e64f30b85f80cc33be2fda7b6d8805e5a066187e55a654fbc04a0b9a79c2b

SHA512
99e9cc05e1089485deaa3ec1b11db98e38d40edd2ecfccb7df87a1d647b79ca8269c4a36fa51cd61179e0f14d86e4e6019ea382449d38f3c14593bb090a9e8d7

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\ProgramData\Update\wuauclt.exe

Filesize
123KB

MD5
8611946dc483a4a0298fac90ea98937c

SHA1
a7273f4b3743a1c087f80932c25cbc1e50d96bbc

SHA256
e85e64f30b85f80cc33be2fda7b6d8805e5a066187e55a654fbc04a0b9a79c2b

SHA512
99e9cc05e1089485deaa3ec1b11db98e38d40edd2ecfccb7df87a1d647b79ca8269c4a36fa51cd61179e0f14d86e4e6019ea382449d38f3c14593bb090a9e8d7

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads