3d1a3d0035ccbdda679ba871802bdb4391d3ecb514ad564c3c6ed1c288da8e97

Analysis

max time kernel
140s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 19:58

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General

Target

3d1a3d0035ccbdda679ba871802bdb4391d3ecb514ad564c3c6ed1c288da8e97.exe
Size

86KB
MD5

f3a5216882f204cdf6c330823001c806
SHA1

eb9f6d84770f9284773e35466d4f0c3269e129dd
SHA256

3d1a3d0035ccbdda679ba871802bdb4391d3ecb514ad564c3c6ed1c288da8e97
SHA512

37ca00624f82d11b2901a76d22b4f180575c371ba2f60a08e84a3c9c1f7935168642e5bf12401a94e8263b6c1aad1d5b7d32215177a3899c8977cfae8c1b8c0c
SSDEEP

1536:ZWA9sW4bcdRQjNkC0j9Mj69BqiEHPyU5+OhXtAG/C5KGv/ERrjctDwNB3QHIQOuA:ZWrKR8W9Mj6yhPyKfXtAGsKG3ERrjjNN

Score

7^/10

discovery persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2340	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"	3d1a3d0035ccbdda679ba871802bdb4391d3ecb514ad564c3c6ed1c288da8e97.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	3d1a3d0035ccbdda679ba871802bdb4391d3ecb514ad564c3c6ed1c288da8e97.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	3d1a3d0035ccbdda679ba871802bdb4391d3ecb514ad564c3c6ed1c288da8e97.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3176	3d1a3d0035ccbdda679ba871802bdb4391d3ecb514ad564c3c6ed1c288da8e97.exe
Token: SeDebugPrivilege	2340	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 2340	3176	3d1a3d0035ccbdda679ba871802bdb4391d3ecb514ad564c3c6ed1c288da8e97.exe	84
PID 3176 wrote to memory of 2340	3176	3d1a3d0035ccbdda679ba871802bdb4391d3ecb514ad564c3c6ed1c288da8e97.exe	84
PID 3176 wrote to memory of 2340	3176	3d1a3d0035ccbdda679ba871802bdb4391d3ecb514ad564c3c6ed1c288da8e97.exe	84

C:\Users\Admin\AppData\Local\Temp\3d1a3d0035ccbdda679ba871802bdb4391d3ecb514ad564c3c6ed1c288da8e97.exe
"C:\Users\Admin\AppData\Local\Temp\3d1a3d0035ccbdda679ba871802bdb4391d3ecb514ad564c3c6ed1c288da8e97.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:3176
- 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:2340

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

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
803KB

MD5
5121a1f034d9fbec5fd87f61e8821ebf

SHA1
7f87a4448b658d36a4143509c4051d6bb311d1b7

SHA256
278126f16d295cbdd1f2ff96e85d4f5d733cad3b22ad3645d259047a4f500e1e

SHA512
5372380cb2952dda23aca02e55099ee2be8ad08ff7e06ff3f092c43a9e7f454239cd6622a79fba10214b416fd43b98056c40ed9564bd1f6c4e650283ffab1b19

Download Submit
C:\Users\Admin\AppData\Local\Temp\0wjzWEvCZCLhtJq.exe

Filesize
86KB

MD5
0238cdc20ba4bc3a5ef5ca09bc5f5cef

SHA1
c107b086a7844d280972d223e107d0d8ea2e5597

SHA256
8dc9aef03052c115a25bc01252022d591f7b4fc8c0e965f24246575437068fa4

SHA512
a83aa7e9d61381a9e0893426b74dced51e3981ba807435af3d579826df9ff3ba0e233fbb77808522227931886955954e5355251a8793246cb3f7fa2fb17a4a10

Download Submit
C:\Windows\CTS.exe

Filesize
86KB

MD5
0f736d30fbdaebed364c4cd9f084e500

SHA1
d7e96b736463af4b3edacd5cc5525cb70c593334

SHA256
431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34

SHA512
570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads