686966aface3e0554a0dde720716c7e6c7cfcbecf7e7373476c74d2cec298e9d

Analysis

max time kernel
128s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07-05-2024 11:22

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General

Target

57dbe3811760b5bce4307d27572ae380_NEAS.exe
Size

153KB
MD5

57dbe3811760b5bce4307d27572ae380
SHA1

424c6cc582dadc577e7a01f06993a34e07d15096
SHA256

686966aface3e0554a0dde720716c7e6c7cfcbecf7e7373476c74d2cec298e9d
SHA512

307e66d359ef7ff62ddc6bd7b53c2cee443fdd36c4d6b1c0ef543ad1b2828f429656707318070dc8bd138e4eb84d77b7df917daa2892e2599cc7b1bb0b798c94
SSDEEP

3072:kjr87SHQy/Ej/YYhamSTDYMvmEdWoSAz6mO7:5vnUYhamSTDQ9v

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
588	NxRsJGI7iPsucv9.exe
4840	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

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"	57dbe3811760b5bce4307d27572ae380_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	57dbe3811760b5bce4307d27572ae380_NEAS.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1764	57dbe3811760b5bce4307d27572ae380_NEAS.exe
Token: SeDebugPrivilege	4840	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 588	1764	57dbe3811760b5bce4307d27572ae380_NEAS.exe	83
PID 1764 wrote to memory of 588	1764	57dbe3811760b5bce4307d27572ae380_NEAS.exe	83
PID 1764 wrote to memory of 4840	1764	57dbe3811760b5bce4307d27572ae380_NEAS.exe	85
PID 1764 wrote to memory of 4840	1764	57dbe3811760b5bce4307d27572ae380_NEAS.exe	85
PID 1764 wrote to memory of 4840	1764	57dbe3811760b5bce4307d27572ae380_NEAS.exe	85

C:\Users\Admin\AppData\Local\Temp\57dbe3811760b5bce4307d27572ae380_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\57dbe3811760b5bce4307d27572ae380_NEAS.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Users\Admin\AppData\Local\Temp\NxRsJGI7iPsucv9.exe
  C:\Users\Admin\AppData\Local\Temp\NxRsJGI7iPsucv9.exe
  2⤵
  - Executes dropped EXE
  PID:588
- 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:4840

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

Replay Monitor

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Downloads

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

Filesize
403KB

MD5
d4870fe942293bf600f4f0cbc3e0eb75

SHA1
d4dc7f9d114e39066506d56e898eff825fe86db6

SHA256
a9808f15b1344f3fc776d63c93fdaea750897c022cf2f11b1d46851119e56b0e

SHA512
933114ea323885a05574a7ca00400614dff8cd0a2babbeb670790132a17410b635e6dfdd03ee56b2aabf43883eaa0f20bf0edf78c285f79a55e0456ebfcf1238

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C:\Users\Admin\AppData\Local\Temp\NxRsJGI7iPsucv9.exe

Filesize
73KB

MD5
d2778164ef643ba8f44cc202ec7ef157

SHA1
31eee7114eed6b0d2fb77c9f3605057639050786

SHA256
28b001bb9a72ae7a24242bfab248d767a1ac5dec981c672a3944f7a072375e9a

SHA512
cb2a5a2aeba9d6f6bfc4a3a4576961244c109aafb59f02134b03ebac4d16602ee7f141cc4adc519f15030c20e7e7d6585778870706b2ea4c74c1161729101635

Download Submit
C:\Windows\CTS.exe

Filesize
80KB

MD5
ec704028ad7125c2fa52e04dc68c0ca3

SHA1
2a63f27d0138696c9c27a9ea2534e8f2ca11ddc4

SHA256
5f77a5d7c9eac3b004820646dece450e315a6e3ed320dc183ae68d59cd2318bf

SHA512
a008a08c980583b8698431ca44fa45d5565fdc5316dc3e58c47ae523e7a7a776162979b0c79f9c64f0b71e0d98fb49102679378354f76c270d0c99207c15d160

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads