9cbbf6128aea94dc2dd0d45ca28ed6ef00efeef6ad92171731b28a82ad50a1eb

General

Target

2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe
Size

174KB
MD5

3c9678c47570bda372fe4cbf1ada27b0
SHA1

73f2169508b375edb826de5cd021f2abb7c55ac1
SHA256

9cbbf6128aea94dc2dd0d45ca28ed6ef00efeef6ad92171731b28a82ad50a1eb
SHA512

d98fb3fb02f99a5990f201c65b7fdebe72949300ca915551fb5f3158056f1a6e9d37eb285290af71905801af245f9279a2b54b8a3514bd9616ac6c51c1fc3e47
SSDEEP

3072:ZRpAyazIliazT7GJS1G64ouNr8+4DpOUbROrw4MS9qwGI4XjWciDRN:xZ8az/+touNqDpOUArwWqRI8jWciDf

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

V0Y9pNEef2Hhzf0.exeCTS.exe

pid process

1056 V0Y9pNEef2Hhzf0.exe
2588 CTS.exe
Loads dropped DLL 2 IoCs

Processes:

2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe

pid process

2108 2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe
1700
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
1056	V0Y9pNEef2Hhzf0.exe
2588	CTS.exe

pid	process
2108	2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe
1700

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

CTS.exe2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe

Drops file in Windows directory 2 IoCs

Processes:

2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exeCTS.exe

description ioc process

File created C:\Windows\CTS.exe 2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe
File created C:\Windows\CTS.exe CTS.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exeCTS.exe

description pid process

Token: SeDebugPrivilege 2108 2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe
Token: SeDebugPrivilege 2588 CTS.exe

description	ioc	process
File created	C:\Windows\CTS.exe	2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe
File created	C:\Windows\CTS.exe	CTS.exe

description	pid	process
Token: SeDebugPrivilege	2108	2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe
Token: SeDebugPrivilege	2588	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe

description	pid	process	target process
PID 2108 wrote to memory of 1056	2108	2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe	V0Y9pNEef2Hhzf0.exe
PID 2108 wrote to memory of 1056	2108	2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe	V0Y9pNEef2Hhzf0.exe
PID 2108 wrote to memory of 1056	2108	2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe	V0Y9pNEef2Hhzf0.exe
PID 2108 wrote to memory of 1056	2108	2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe	V0Y9pNEef2Hhzf0.exe
PID 2108 wrote to memory of 2588	2108	2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe	CTS.exe
PID 2108 wrote to memory of 2588	2108	2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe	CTS.exe
PID 2108 wrote to memory of 2588	2108	2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe	CTS.exe
PID 2108 wrote to memory of 2588	2108	2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe	CTS.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-24_3c9678c47570bda372fe4cbf1ada27b0_bkransomware.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2108

C:\Users\Admin\AppData\Local\Temp\V0Y9pNEef2Hhzf0.exe
C:\Users\Admin\AppData\Local\Temp\V0Y9pNEef2Hhzf0.exe
2⤵
- Executes dropped EXE
PID:1056

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:2588

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\CTS.exe
Filesize
71KB

MD5
f9d4ab0a726adc9b5e4b7d7b724912f1

SHA1
3d42ca2098475924f70ee4a831c4f003b4682328

SHA256
b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc

SHA512
22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432

Download Submit
\Users\Admin\AppData\Local\Temp\V0Y9pNEef2Hhzf0.exe
Filesize
103KB

MD5
40e6081a84568a750c469df520dd0ae1

SHA1
fcc160e9f213a7ce674861c9f4efab2b9f0b13d5

SHA256
b33db48ce11539130b143caa2eec3a38c439de13a2aeffed07cb9b89bcc82fd4

SHA512
91feb528a2c033d0f5261a6c244b640a988d1a42caf0b8bd144a458555a1172e9ac7b23d2ff9304366559008cf3f92445ce59398a3756c0ed3ef343b824f82a2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads