c9049eb32f735a2969657878a29e4b70c5c06cc4a06aac8bf516927fe0b8d98e

General

Target

2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe
Size

174KB
MD5

6fb07aab62fe03ccb79531d8383db527
SHA1

c6a5e588179a5fd2accf87deb76562397dfc1b7c
SHA256

c9049eb32f735a2969657878a29e4b70c5c06cc4a06aac8bf516927fe0b8d98e
SHA512

a1abaee516cb147659d9a6acd09f35cd7f83f15166727271dfbe79357da63e8a4c9932739acef5179923ad87624bc16d9a2ceac61cff86c1f2cb82cbc65b5156
SSDEEP

3072:ZhpAyazIlyazT7U3ecqY7rkeRiaqiH93vymnk/PWcBfs:hZMaz0u+xhH5knZBfs

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

FGLL10zVis2mn00.exeCTS.exe

pid process

2052 FGLL10zVis2mn00.exe
1656 CTS.exe
Loads dropped DLL 2 IoCs

Processes:

2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe

pid process

2084 2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe
2228
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
2052	FGLL10zVis2mn00.exe
1656	CTS.exe

pid	process
2084	2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe
2228

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_6fb07aab62fe03ccb79531d8383db527_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_6fb07aab62fe03ccb79531d8383db527_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_6fb07aab62fe03ccb79531d8383db527_bkransomware.exeCTS.exe

description ioc process

File created C:\Windows\CTS.exe 2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe
File created C:\Windows\CTS.exe CTS.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exeCTS.exe

description pid process

Token: SeDebugPrivilege 2084 2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe
Token: SeDebugPrivilege 1656 CTS.exe

description	ioc	process
File created	C:\Windows\CTS.exe	2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe
File created	C:\Windows\CTS.exe	CTS.exe

description	pid	process
Token: SeDebugPrivilege	2084	2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe
Token: SeDebugPrivilege	1656	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe

description	pid	process	target process
PID 2084 wrote to memory of 2052	2084	2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe	FGLL10zVis2mn00.exe
PID 2084 wrote to memory of 2052	2084	2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe	FGLL10zVis2mn00.exe
PID 2084 wrote to memory of 2052	2084	2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe	FGLL10zVis2mn00.exe
PID 2084 wrote to memory of 2052	2084	2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe	FGLL10zVis2mn00.exe
PID 2084 wrote to memory of 1656	2084	2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe	CTS.exe
PID 2084 wrote to memory of 1656	2084	2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe	CTS.exe
PID 2084 wrote to memory of 1656	2084	2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe	CTS.exe
PID 2084 wrote to memory of 1656	2084	2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe	CTS.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-28_6fb07aab62fe03ccb79531d8383db527_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-28_6fb07aab62fe03ccb79531d8383db527_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:2084

C:\Users\Admin\AppData\Local\Temp\FGLL10zVis2mn00.exe
C:\Users\Admin\AppData\Local\Temp\FGLL10zVis2mn00.exe
2⤵
- Executes dropped EXE
PID:2052

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:1656

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\FGLL10zVis2mn00.exe
Filesize
103KB

MD5
40e6081a84568a750c469df520dd0ae1

SHA1
fcc160e9f213a7ce674861c9f4efab2b9f0b13d5

SHA256
b33db48ce11539130b143caa2eec3a38c439de13a2aeffed07cb9b89bcc82fd4

SHA512
91feb528a2c033d0f5261a6c244b640a988d1a42caf0b8bd144a458555a1172e9ac7b23d2ff9304366559008cf3f92445ce59398a3756c0ed3ef343b824f82a2

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