b490355db6b33166dfcc54c5c69b701ad04446e0983ecb1a5d51894b0cc3e4ac

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
09/04/2024, 19:19

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General

Target

29383f9c7385e37f76bf8715e5aaa7d8.exe
Size

173KB
MD5

29383f9c7385e37f76bf8715e5aaa7d8
SHA1

0e1ec8a463afcdf9d0136eafa791b69f5301a638
SHA256

b490355db6b33166dfcc54c5c69b701ad04446e0983ecb1a5d51894b0cc3e4ac
SHA512

d1d99565fff8999841a3e7e4997184fbe46d847d602968a7843435805b016faaaccc9a390cf62b9e1c79805a4ea5d5739cea28153944f9915a40329ffe400313
SSDEEP

3072:ZRpAyazIliazTbqhs8L1SVNEeY9Kx4V40BzLjsiyDhFN5K1N5:xZ8azHqhnZSVNa0xS5uYr

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2256	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"	29383f9c7385e37f76bf8715e5aaa7d8.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	CTS.exe
File created	C:\Windows\CTS.exe	29383f9c7385e37f76bf8715e5aaa7d8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	29383f9c7385e37f76bf8715e5aaa7d8.exe
Token: SeDebugPrivilege	2256	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2256	2824	29383f9c7385e37f76bf8715e5aaa7d8.exe	28
PID 2824 wrote to memory of 2256	2824	29383f9c7385e37f76bf8715e5aaa7d8.exe	28
PID 2824 wrote to memory of 2256	2824	29383f9c7385e37f76bf8715e5aaa7d8.exe	28
PID 2824 wrote to memory of 2256	2824	29383f9c7385e37f76bf8715e5aaa7d8.exe	28

C:\Users\Admin\AppData\Local\Temp\29383f9c7385e37f76bf8715e5aaa7d8.exe
"C:\Users\Admin\AppData\Local\Temp\29383f9c7385e37f76bf8715e5aaa7d8.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2824
- 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:2256

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\3u1tYp8F7KJaveX.exe

Filesize
102KB

MD5
19cba741469f5bb6b163783795d2a178

SHA1
95a024c984663e54d9bc1d4bcf8be3f5c5faf5c3

SHA256
3c07886a035e49653aa78a3d2546f09d0d252b0eb1b520ccde36bd9e62e8b6cd

SHA512
102dcb16beb85ef18cff50fe52c0d8135bf141d249542692a1bafb3280d7df871fed18b68f93b592785c0008da28b2b507799bec1cd6a64732bee7fa28c60df1

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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

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Downloads