7eacfc2d9de3958bdb37b45aea9adf05f7fa54385eab52008bb8221657e26ed6

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
15/06/2024, 18:56

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General

Target

2024-06-15_9f32326073aca37dd5a18c13b419e56a_bkransomware.exe
Size

71KB
MD5

9f32326073aca37dd5a18c13b419e56a
SHA1

0d93ca451ea0ff6f2824588bda51fe0bfe0a6dbf
SHA256

7eacfc2d9de3958bdb37b45aea9adf05f7fa54385eab52008bb8221657e26ed6
SHA512

ac7c83bd1d3862d396b6784f3c6926c281563b8deec9a79a670117c0269259010c6e6a6ae987e1e740bfa41d8d2796376a503a5de26596e16334f8038d249468
SSDEEP

1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTU:ZhpAyazIlyazTU

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2468	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"	2024-06-15_9f32326073aca37dd5a18c13b419e56a_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	2024-06-15_9f32326073aca37dd5a18c13b419e56a_bkransomware.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1728	2024-06-15_9f32326073aca37dd5a18c13b419e56a_bkransomware.exe
Token: SeDebugPrivilege	2468	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2468	1728	2024-06-15_9f32326073aca37dd5a18c13b419e56a_bkransomware.exe	29
PID 1728 wrote to memory of 2468	1728	2024-06-15_9f32326073aca37dd5a18c13b419e56a_bkransomware.exe	29
PID 1728 wrote to memory of 2468	1728	2024-06-15_9f32326073aca37dd5a18c13b419e56a_bkransomware.exe	29
PID 1728 wrote to memory of 2468	1728	2024-06-15_9f32326073aca37dd5a18c13b419e56a_bkransomware.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-06-15_9f32326073aca37dd5a18c13b419e56a_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-15_9f32326073aca37dd5a18c13b419e56a_bkransomware.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728
- 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:2468

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\cwUP9d6yihSGUy6.exe

Filesize
71KB

MD5
0ac29da5fbae9f12e140ac565dc5d691

SHA1
9bc3760ca0676b35e80187ce75b96b53cf6b9845

SHA256
6ad71098bb77c41d8ecc92d9022d096a4a9df9df689a16f5c43384a16a5d3897

SHA512
26b40d81acf1b3f05613cc388f3bf6ee8c93f3771bb0da533158d8ba7ccff045b65feb73c33e280808106f450ef727dae3d2d7bd0821729b39f1cb93f355b168

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
66df4ffab62e674af2e75b163563fc0b

SHA1
dec8a197312e41eeb3cfef01cb2a443f0205cd6e

SHA256
075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

SHA512
1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads