adb29b6295f48837fcf4b630a3ce6d650f35370ee247aca76c239ac9e1cc5806

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
14/05/2024, 03:42

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-05-14_3f28543fa9a2a40b73be8fc149119c18_bkransomware.exe
Size

71KB
MD5

3f28543fa9a2a40b73be8fc149119c18
SHA1

ba151e05e895ea50db39cfa4e55fed5d96d39206
SHA256

adb29b6295f48837fcf4b630a3ce6d650f35370ee247aca76c239ac9e1cc5806
SHA512

cfc57a41d826653097893b115ca722598a5e0abe7a1e5963b6bc29e963718413d1ba3a8879a1835e18da8049c3662492a7d946662ad19d494e9ef26328a0c67f
SSDEEP

1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTX:ZRpAyazIliazTX

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2324	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"	2024-05-14_3f28543fa9a2a40b73be8fc149119c18_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	2024-05-14_3f28543fa9a2a40b73be8fc149119c18_bkransomware.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1724	2024-05-14_3f28543fa9a2a40b73be8fc149119c18_bkransomware.exe
Token: SeDebugPrivilege	2324	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2324	1724	2024-05-14_3f28543fa9a2a40b73be8fc149119c18_bkransomware.exe	28
PID 1724 wrote to memory of 2324	1724	2024-05-14_3f28543fa9a2a40b73be8fc149119c18_bkransomware.exe	28
PID 1724 wrote to memory of 2324	1724	2024-05-14_3f28543fa9a2a40b73be8fc149119c18_bkransomware.exe	28
PID 1724 wrote to memory of 2324	1724	2024-05-14_3f28543fa9a2a40b73be8fc149119c18_bkransomware.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-14_3f28543fa9a2a40b73be8fc149119c18_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-14_3f28543fa9a2a40b73be8fc149119c18_bkransomware.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724
- 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:2324

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\JlGoNVLD7uqdoQw.exe

Filesize
71KB

MD5
f5ab0f4a4240cd94953465e1bafa550a

SHA1
e10e5e03d7ab809d3bcea9e6788cd8044107d468

SHA256
bb53bd3281ca6618e840859d5ee8f8da3cd520c6746d382ee4d4b10c34722452

SHA512
084b732504ebe91a8481918c13b7ec748e4632a8ded5d8aaf2e135122b3fddacfb9572769ebe3f749f652f832a12773e689bb4e519b12e5d662c1ac4610048ad

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
f9d4ab0a726adc9b5e4b7d7b724912f1

SHA1
3d42ca2098475924f70ee4a831c4f003b4682328

SHA256
b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc

SHA512
22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads