9d90ce5e4bfcfa4801f3edb2f40f081ad4da2329359fed1dcbd4ffc51507d3a9

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-04-2024 19:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_bkransomware.exe
Size

71KB
MD5

ddceec2787c1805a8ce892ec7d22aee4
SHA1

7eb5951e28229e2f599f4e74184f2211056ff370
SHA256

9d90ce5e4bfcfa4801f3edb2f40f081ad4da2329359fed1dcbd4ffc51507d3a9
SHA512

1c6302b98168c0a1eda0343c7d51451b8f438454e3b066f0931ad337ab21271190dc3ad10027e2548dd13549fd760f01ed2424276c45982b00f34f8d898aa5ad
SSDEEP

1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTG:ZhpAyazIlyazTG

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

CTS.exe

pid process

2728 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

pid	process
2728	CTS.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_bkransomware.exeCTS.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_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

Processes:

2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_bkransomware.exeCTS.exe

description ioc process

File created C:\Windows\CTS.exe 2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_bkransomware.exe
File created C:\Windows\CTS.exe CTS.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_bkransomware.exeCTS.exe

description pid process

Token: SeDebugPrivilege 2340 2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_bkransomware.exe
Token: SeDebugPrivilege 2728 CTS.exe

description	ioc	process
File created	C:\Windows\CTS.exe	2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_bkransomware.exe
File created	C:\Windows\CTS.exe	CTS.exe

description	pid	process
Token: SeDebugPrivilege	2340	2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_bkransomware.exe
Token: SeDebugPrivilege	2728	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_bkransomware.exe

description	pid	process	target process
PID 2340 wrote to memory of 2728	2340	2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_bkransomware.exe	CTS.exe
PID 2340 wrote to memory of 2728	2340	2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_bkransomware.exe	CTS.exe
PID 2340 wrote to memory of 2728	2340	2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_bkransomware.exe	CTS.exe
PID 2340 wrote to memory of 2728	2340	2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_bkransomware.exe	CTS.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-28_ddceec2787c1805a8ce892ec7d22aee4_bkransomware.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340

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:2728

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\id5o3c4YXazAZBe.exe
Filesize
71KB

MD5
d7b6fbd05cb52d4c488caa41950e1ad3

SHA1
8077f94f599e2222e6e77465100df5d738219a12

SHA256
9b62e7b1aafcb0a61c26e10efa991ecc84c2ed02531fd37ddad4a521bcc27265

SHA512
05e7275f1dcc607845b36468bc280a35baff8a4d6f144cee9ee3de57daead5712ce9ce493a3ac32b7f1afe5682177c8b9be82db3537f22afe60da841a41c179b

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