9263b7427b5e31187fafba9145b0815f9e61b26220f2241528f8c71e2b3867a9

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 00:17

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General

Target

9263b7427b5e31187fafba9145b0815f9e61b26220f2241528f8c71e2b3867a9.exe
Size

71KB
MD5

f508c81bbc103e6967cce7701cce468f
SHA1

e816894bec93742c9a3e05ca9dae6ee6e34dfff4
SHA256

9263b7427b5e31187fafba9145b0815f9e61b26220f2241528f8c71e2b3867a9
SHA512

9faf53acdd4905c1e372847e999f45b21aedf8b580fa8b1df77320440fc00f0cc69bd2fe15e9df89874388019e8a846b127b6234fb3ab6844dc16bf71d681f07
SSDEEP

1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTG:ZhpAyazIlyazTG

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

CTS.exe

pid process

4484 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

pid	process
4484	CTS.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

9263b7427b5e31187fafba9145b0815f9e61b26220f2241528f8c71e2b3867a9.exeCTS.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	9263b7427b5e31187fafba9145b0815f9e61b26220f2241528f8c71e2b3867a9.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

Processes:

9263b7427b5e31187fafba9145b0815f9e61b26220f2241528f8c71e2b3867a9.exeCTS.exe

description	ioc	process
File created	C:\Windows\CTS.exe	9263b7427b5e31187fafba9145b0815f9e61b26220f2241528f8c71e2b3867a9.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

9263b7427b5e31187fafba9145b0815f9e61b26220f2241528f8c71e2b3867a9.exeCTS.exe

description	pid	process
Token: SeDebugPrivilege	1548	9263b7427b5e31187fafba9145b0815f9e61b26220f2241528f8c71e2b3867a9.exe
Token: SeDebugPrivilege	4484	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

9263b7427b5e31187fafba9145b0815f9e61b26220f2241528f8c71e2b3867a9.exe

description	pid	process	target process
PID 1548 wrote to memory of 4484	1548	9263b7427b5e31187fafba9145b0815f9e61b26220f2241528f8c71e2b3867a9.exe	CTS.exe
PID 1548 wrote to memory of 4484	1548	9263b7427b5e31187fafba9145b0815f9e61b26220f2241528f8c71e2b3867a9.exe	CTS.exe
PID 1548 wrote to memory of 4484	1548	9263b7427b5e31187fafba9145b0815f9e61b26220f2241528f8c71e2b3867a9.exe	CTS.exe

C:\Users\Admin\AppData\Local\Temp\9263b7427b5e31187fafba9145b0815f9e61b26220f2241528f8c71e2b3867a9.exe
"C:\Users\Admin\AppData\Local\Temp\9263b7427b5e31187fafba9145b0815f9e61b26220f2241528f8c71e2b3867a9.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1548

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:4484

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Filesize
394KB

MD5
7e54b6e438ad2c5ecd0789e2f9ed500c

SHA1
599bad103eb53ffc7d899e9f9c40c20051e072a9

SHA256
8b647e185bff6cfd982c8e7d9ae0dfbe66b354e329167b2e111a6a91b6e3c2f2

SHA512
20c63631598137105c8785e90e3ac9ac3dfa57e05514e6c7e406279a31a8fcbbdc4ccbde74797468c600d47f0c54c7368b80ca366e8e154372af236ad0a44c41

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C:\Users\Admin\AppData\Local\Temp\jY3kv3WYdTCYge4.exe
Filesize
71KB

MD5
e7f3bf999a2fed2cc9af60aee674fff9

SHA1
fc8c6549cd100b93c6a3e198b5eb8b570272cbba

SHA256
881e5c2d20584065ec2beb53af055a6ed44bb2f7d293e0d21ea549d6b40904a4

SHA512
8de9af7f1dffe3ed475462fb1bb609c114c757a5acb6a603f8a8eca8d7daa47435e244237a5044b9e3ac1b587844a608443f8c9ec4faf67853e052246fb3d405

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C:\Windows\CTS.exe
Filesize
71KB

MD5
66df4ffab62e674af2e75b163563fc0b

SHA1
dec8a197312e41eeb3cfef01cb2a443f0205cd6e

SHA256
075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

SHA512
1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

Download Submit