9ed1217db228b656d6fc139429cef0b9708b9224757900218004a59433ee00db

Analysis

max time kernel
141s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
07-05-2024 01:27

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General

Target

462b4bc6cc65b9709ef6b44cec2bf4b0_NEAS.exe
Size

27KB
MD5

462b4bc6cc65b9709ef6b44cec2bf4b0
SHA1

827a5c4b40171cbc63dd574e637362fb5ebe1d41
SHA256

9ed1217db228b656d6fc139429cef0b9708b9224757900218004a59433ee00db
SHA512

a7d3cb5f06a44db584b7f54b47297fb82aa3810804f9467a3a4792965a9e46d94bdc6d381c97d027c07383a7b9e9970ebc2929283b625a598fe81deb4954d26e
SSDEEP

768:X9J/3FzjgfanEGx8V36unjv88tznuRU65Y4gpph1ePVCMN:N5VzcfA/6LrVpL74gfh16nN

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2860	CTS.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3732-1-0x0000000000060000-0x0000000000078000-memory.dmp	upx
behavioral2/memory/3732-9-0x0000000000060000-0x0000000000078000-memory.dmp	upx
behavioral2/files/0x0009000000023407-8.dat	upx
behavioral2/memory/2860-10-0x00000000006C0000-0x00000000006D8000-memory.dmp	upx
behavioral2/files/0x0004000000022956-13.dat	upx
behavioral2/files/0x000900000002291d-31.dat	upx
behavioral2/memory/2860-34-0x00000000006C0000-0x00000000006D8000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\CTS = "C:\\Windows\\CTS.exe"	462b4bc6cc65b9709ef6b44cec2bf4b0_NEAS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	462b4bc6cc65b9709ef6b44cec2bf4b0_NEAS.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3732	462b4bc6cc65b9709ef6b44cec2bf4b0_NEAS.exe
Token: SeDebugPrivilege	2860	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 2860	3732	462b4bc6cc65b9709ef6b44cec2bf4b0_NEAS.exe	82
PID 3732 wrote to memory of 2860	3732	462b4bc6cc65b9709ef6b44cec2bf4b0_NEAS.exe	82
PID 3732 wrote to memory of 2860	3732	462b4bc6cc65b9709ef6b44cec2bf4b0_NEAS.exe	82

C:\Users\Admin\AppData\Local\Temp\462b4bc6cc65b9709ef6b44cec2bf4b0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\462b4bc6cc65b9709ef6b44cec2bf4b0_NEAS.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3732
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2860

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
351KB

MD5
c6dd4372420de6eb7bcc392003f89f61

SHA1
cde05b5f023fb62b784b927e95b867aaa5e9089b

SHA256
d0ccc705acb62f30f7ba149ccef88e40cd358393befbb9d860e5b7b071c0214a

SHA512
e092389f3b958fe81c676e92772c77281b775148a9d8bbf779fe637aa1abc95550e5051b2cedadc8c2c7a9a4535fb6f19af76322565e2f0c297405f5ca876c9f

Download Submit
C:\Users\Admin\AppData\Local\Temp\Bme6B5y6lhfIYZi.exe

Filesize
27KB

MD5
a9a50999118f70882ef8ac820f7bd25b

SHA1
0db1f85267ea70dcef5ee4bd1d61c1dde09dc320

SHA256
ae7e7f93d8b6cd09ae7cc77c506426ab6ee8d72a6760860c622456df22da1d2d

SHA512
c0ee79dbd686d9e36ca6f54e5019406789a079ed2e0c09d639925dbcc8cb476fa793f57cad6eba32dffdfd4e4d054fa1b325d55afb6560b1333f0fdcb29f5749

Download Submit
C:\Windows\CTS.exe

Filesize
27KB

MD5
a6749b968461644db5cc0ecceffb224a

SHA1
2795aa37b8586986a34437081351cdd791749a90

SHA256
720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2

SHA512
2a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4

Download Submit
memory/2860-10-0x00000000006C0000-0x00000000006D8000-memory.dmp

Filesize
96KB

Download
memory/2860-34-0x00000000006C0000-0x00000000006D8000-memory.dmp

Filesize
96KB

Download
memory/3732-1-0x0000000000060000-0x0000000000078000-memory.dmp

Filesize
96KB

Download
memory/3732-9-0x0000000000060000-0x0000000000078000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads