c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458f

Analysis

max time kernel
15s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 05:56

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General

Target

c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe
Size

103KB
MD5

ccd03b78d966692f4d195cdb627539e0
SHA1

0e0b2d354d3b5658b0c5cb890cd408e1bc2cfe44
SHA256

c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458f
SHA512

2e09affae5cdb9934f1a53c1751748e5a342c84eebd0d368249aa3405a1d181150522f166aebf1c5eaff1316fdf503a5ba38bf62272b392c880d88bbd6ff61fe
SSDEEP

3072:ZWrKR8W9Mj6yhPyKfXtAGsKG3ERrjjNB3+IQOcqbCxLX:GjYKlAhUBVB3pQOpCLX

Score

7^/10

discovery persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2136	CTS.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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"	c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.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	c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe
File created	C:\Windows\CTS.exe	CTS.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1016	c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe
Token: SeDebugPrivilege	2136	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 2136	1016	c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe	30
PID 1016 wrote to memory of 2136	1016	c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe	30
PID 1016 wrote to memory of 2136	1016	c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe	30
PID 1016 wrote to memory of 2136	1016	c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe	30

C:\Users\Admin\AppData\Local\Temp\c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe
"C:\Users\Admin\AppData\Local\Temp\c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1016
- 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:2136

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\UX3PnSqi1dnrNb8.exe

Filesize
103KB

MD5
79d66ced438eda8a008153fc034a9a72

SHA1
730f97ab239215d287b1ff5092a0ec016414add7

SHA256
68a0c6d85bb5ed7f2b45d8086e29c2e02fefa1c994e0561975fe80d7c7dd5d5f

SHA512
5a0deda39b061d90f8649c51c7ca32076791abd72979138f36b2e299f9fa23070e68d20241c1e644e3232434b4af1b4d807050ec93585d059b830cc7edd16cfb

Download Submit
C:\Windows\CTS.exe

Filesize
86KB

MD5
0f736d30fbdaebed364c4cd9f084e500

SHA1
d7e96b736463af4b3edacd5cc5525cb70c593334

SHA256
431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34

SHA512
570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads