9ed1217db228b656d6fc139429cef0b9708b9224757900218004a59433ee00db

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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
2552	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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1716-0-0x0000000000A40000-0x0000000000A58000-memory.dmp	upx
behavioral1/files/0x0009000000016a29-7.dat	upx
behavioral1/memory/1716-10-0x0000000000A40000-0x0000000000A58000-memory.dmp	upx
behavioral1/memory/2552-11-0x0000000000C60000-0x0000000000C78000-memory.dmp	upx
behavioral1/files/0x000a000000015f7a-14.dat	upx
behavioral1/memory/2552-17-0x0000000000C60000-0x0000000000C78000-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	1716	462b4bc6cc65b9709ef6b44cec2bf4b0_NEAS.exe
Token: SeDebugPrivilege	2552	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2552	1716	462b4bc6cc65b9709ef6b44cec2bf4b0_NEAS.exe	28
PID 1716 wrote to memory of 2552	1716	462b4bc6cc65b9709ef6b44cec2bf4b0_NEAS.exe	28
PID 1716 wrote to memory of 2552	1716	462b4bc6cc65b9709ef6b44cec2bf4b0_NEAS.exe	28
PID 1716 wrote to memory of 2552	1716	462b4bc6cc65b9709ef6b44cec2bf4b0_NEAS.exe	28

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:1716
- 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:2552

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\Temp\bdTTuz8vR4srWJ1.exe

Filesize
27KB

MD5
96ddc57a1169a4a38db2ea7a7fc03f51

SHA1
e6127ce9debe1423cefc33cc00f18d6f78dd539a

SHA256
6a5b40f05bce8f9906f1a2b83cd5d40483e4ac056334f9f2881d3bbd22e0e151

SHA512
368d9ce19462312a8151313a518097ad6a6d498bde4af64df8f60022ddcef40aeb6c0e6e4118e9e9a157468342e7986cb45925aa4cfc576a06b2894a7929e889

Download Submit
C:\Windows\CTS.exe

Filesize
27KB

MD5
a6749b968461644db5cc0ecceffb224a

SHA1
2795aa37b8586986a34437081351cdd791749a90

SHA256
720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2

SHA512
2a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4

Download Submit
memory/1716-0-0x0000000000A40000-0x0000000000A58000-memory.dmp

Filesize
96KB

Download
memory/1716-10-0x0000000000A40000-0x0000000000A58000-memory.dmp

Filesize
96KB

Download
memory/2552-11-0x0000000000C60000-0x0000000000C78000-memory.dmp

Filesize
96KB

Download
memory/2552-17-0x0000000000C60000-0x0000000000C78000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads