fd95c740f62347eac8babe5fc33e457a183016d029f80283e468cf7a07b3b210

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
13-06-2024 00:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-06-13_9585d68fcfb844900962273117de36c6_bkransomware.exe
Size

71KB
MD5

9585d68fcfb844900962273117de36c6
SHA1

b327973cbcf1057c8227c89fee14eda545809098
SHA256

fd95c740f62347eac8babe5fc33e457a183016d029f80283e468cf7a07b3b210
SHA512

b1a6e86dd00e1dfa9f73bd2583f81a3ad0301e7e6b1235b578504f8ee4588193c50afb18edd21996f3f87c426286fa8db66146931787059a98171c00758524e1
SSDEEP

1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTF:ZhpAyazIlyazTF

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2584	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"	2024-06-13_9585d68fcfb844900962273117de36c6_bkransomware.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	2024-06-13_9585d68fcfb844900962273117de36c6_bkransomware.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	2024-06-13_9585d68fcfb844900962273117de36c6_bkransomware.exe
Token: SeDebugPrivilege	2584	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2584	3028	2024-06-13_9585d68fcfb844900962273117de36c6_bkransomware.exe	28
PID 3028 wrote to memory of 2584	3028	2024-06-13_9585d68fcfb844900962273117de36c6_bkransomware.exe	28
PID 3028 wrote to memory of 2584	3028	2024-06-13_9585d68fcfb844900962273117de36c6_bkransomware.exe	28
PID 3028 wrote to memory of 2584	3028	2024-06-13_9585d68fcfb844900962273117de36c6_bkransomware.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-13_9585d68fcfb844900962273117de36c6_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-13_9585d68fcfb844900962273117de36c6_bkransomware.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3028
- 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:2584

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\6ZRhtfZx7W0q8mf.exe

Filesize
71KB

MD5
28cfb149af9abf155740c96991c11a57

SHA1
f14e6450a12695768865f61a283128e993d6a9b8

SHA256
7028b845c336704d335cef93f0055167c28a0b7e5dd253908ca6adbee57f3ca6

SHA512
b0bdd9534a19a87c265737ccc788a8ebf8cb875d0f386672ba00a967bfcad1f1b44ed9bbfb349448cfc572dd95c2c74ab9d3264bb955f6b2e8c1fac3f1d30a25

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
66df4ffab62e674af2e75b163563fc0b

SHA1
dec8a197312e41eeb3cfef01cb2a443f0205cd6e

SHA256
075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

SHA512
1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads