536e59d926a16555843c5c0eb4dc5d858e2b573e5d4e804ba1ff1f81e7507866

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30/06/2024, 03:13

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General

Target

a4351ac76b175114833ac92e9ee46dc9.exe
Size

71KB
MD5

a4351ac76b175114833ac92e9ee46dc9
SHA1

c1ed2701f7dd187019a6256bf22da6e8cee9bb38
SHA256

536e59d926a16555843c5c0eb4dc5d858e2b573e5d4e804ba1ff1f81e7507866
SHA512

bc46365c86132255e58246a97e179555d898fa0cc9b4fed8af40ac58530995fd601307654c90a1ba71d39a2c6416766b962379e06464e507cf31fa8f95d44963
SSDEEP

1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTv:ZRpAyazIliazTv

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
956	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"	a4351ac76b175114833ac92e9ee46dc9.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	a4351ac76b175114833ac92e9ee46dc9.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	820	a4351ac76b175114833ac92e9ee46dc9.exe
Token: SeDebugPrivilege	956	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 820 wrote to memory of 956	820	a4351ac76b175114833ac92e9ee46dc9.exe	81
PID 820 wrote to memory of 956	820	a4351ac76b175114833ac92e9ee46dc9.exe	81
PID 820 wrote to memory of 956	820	a4351ac76b175114833ac92e9ee46dc9.exe	81

C:\Users\Admin\AppData\Local\Temp\a4351ac76b175114833ac92e9ee46dc9.exe
"C:\Users\Admin\AppData\Local\Temp\a4351ac76b175114833ac92e9ee46dc9.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:820
- 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:956

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
394KB

MD5
af6d622dc1863d34ef272d4a0c3f7d14

SHA1
85841dc3f53524199bac6cadce70ee47170d564d

SHA256
9ab232ef685e4c43d50e823097efc1f157413176f0781823984471108dd9b263

SHA512
cbaf73aef2baa11f8ff54777e86d8bf12d25fea861cfae11e770070e8616c45be734f392b9e051850f0d0440f3a0144721603ad43b23e9ed33cca009abfafb18

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C:\Users\Admin\AppData\Local\Temp\hA9VZRVvvAy9fPW.exe

Filesize
71KB

MD5
9effe615150365eae7e25f251f139414

SHA1
d5745a69ff7cb75b7b58744aa0882cdc8b0d94c9

SHA256
ad846998edd472fc8f343e81f62b9ad8a00914792a4f35bd7d2fa1d3295416e5

SHA512
680026e8d30050dba5b2b9acc9230889b2784a8ceb5eb138a29eaaa32de5f92b32069ca4a7c16e142d99f193fcc16ac338a1c106bb4880aac92f6a6f911c8017

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C:\Windows\CTS.exe

Filesize
71KB

MD5
f9d4ab0a726adc9b5e4b7d7b724912f1

SHA1
3d42ca2098475924f70ee4a831c4f003b4682328

SHA256
b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc

SHA512
22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads