c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458f

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
4312	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 2 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1812	c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe
Token: SeDebugPrivilege	4312	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 4312	1812	c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe	82
PID 1812 wrote to memory of 4312	1812	c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe	82
PID 1812 wrote to memory of 4312	1812	c5bb650cd1a7e77343fe81fe2712b5853f34cbd19b0938027d6cfc7ae985458fN.exe	82

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:1812
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4312

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\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
409KB

MD5
0bbc196a1457949b0a370d18dc5499fd

SHA1
3eb9668f2c54c74fde26efff178acdcc53fca695

SHA256
93c3ea5ec18e8d6c5f0e5b93d548e068a17d43b471421ba93b5d6ef38eeebb0e

SHA512
a8e6c1f337d66a370ed8cce754bf6791960795ab877856730c8801abcd37e01577f0eff8d1071c464d2935afb99901d599008ce838ba934f2dd0c8dd9955772d

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C:\Users\Admin\AppData\Local\Temp\cmh6NE7h5aFgmkl.exe

Filesize
103KB

MD5
8e91cf8d343e021d191b46af76fd88c1

SHA1
88a767464600f9de2cfe02c9b6287189c55faf1a

SHA256
3a728373d1c06c5249f140026659e71d861a1595c77c1d5c63fcd73a7a73aed7

SHA512
1a0cde7ac06a2d18732a07e315e46ad7af653883b30e4912f59553a223150e2893d5fe078d2b3b8bb0202e7225f97887251c17bfe35fd076682cc6cfdf108d70

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