056e09c3976f1cb5b93468293dce0cadf933b36836811becf1d1546ee9e46227

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
29-06-2024 19:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-06-29_92b32e92a0042a7825fcb241c6727f28_bkransomware.exe
Size

96KB
MD5

92b32e92a0042a7825fcb241c6727f28
SHA1

1bc05126def21bd032f028c42e6159b8826b4379
SHA256

056e09c3976f1cb5b93468293dce0cadf933b36836811becf1d1546ee9e46227
SHA512

8ea40273675ba3e17becf38324cb50ac07aed0810f9bd3b31c9f6cd4b8908b15daec583b22cdf3326c7b6c8c70dd74daec2b3fb166d1855380bfcd07f3841309
SSDEEP

1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTBqWl7DdJBnzmFzZbItiM5c:ZhpAyazIlyazTBd1DhnzEZI8M5c

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3948	N6DIZfiNeoKyxyZ.exe
3472	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"	2024-06-29_92b32e92a0042a7825fcb241c6727f28_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	2024-06-29_92b32e92a0042a7825fcb241c6727f28_bkransomware.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	2024-06-29_92b32e92a0042a7825fcb241c6727f28_bkransomware.exe
Token: SeDebugPrivilege	3472	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 3948	2700	2024-06-29_92b32e92a0042a7825fcb241c6727f28_bkransomware.exe	84
PID 2700 wrote to memory of 3948	2700	2024-06-29_92b32e92a0042a7825fcb241c6727f28_bkransomware.exe	84
PID 2700 wrote to memory of 3472	2700	2024-06-29_92b32e92a0042a7825fcb241c6727f28_bkransomware.exe	85
PID 2700 wrote to memory of 3472	2700	2024-06-29_92b32e92a0042a7825fcb241c6727f28_bkransomware.exe	85
PID 2700 wrote to memory of 3472	2700	2024-06-29_92b32e92a0042a7825fcb241c6727f28_bkransomware.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-06-29_92b32e92a0042a7825fcb241c6727f28_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-29_92b32e92a0042a7825fcb241c6727f28_bkransomware.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Users\Admin\AppData\Local\Temp\N6DIZfiNeoKyxyZ.exe
  C:\Users\Admin\AppData\Local\Temp\N6DIZfiNeoKyxyZ.exe
  2⤵
  - Executes dropped EXE
  PID:3948
- 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:3472

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\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
392KB

MD5
e36cbc4ab0a87745634506feb2a5328e

SHA1
eef9fd7447c23a7a550c8f02037f18e464288986

SHA256
c48f45a083e3fe7e08b80660e51a5ea5b654a22f4c5b843976893113c46b6b2a

SHA512
a7201c24a19773ffee5b29d58d4f03a042a255c5c9ed9ac6e184447b2b089505a537346352217e24a8e15965ac4433122105fa1060c26d9a5503d69c16d166b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\N6DIZfiNeoKyxyZ.exe

Filesize
25KB

MD5
abbd49c180a2f8703f6306d6fa731fdc

SHA1
d63f4bfe7f74936b2fbace803e3da6103fbf6586

SHA256
5f411c0bd9ed9a42b0f07ed568c7d0cf358a83063b225a1f8f7da3296dde90f1

SHA512
290dd984acc451b778f3db8c510bae7aec1d9547c3ad0a1829df731c136e4ecc9a37dc6a786cf8f1ecc4d14339aed1288af25055f450f6f953138c8d4d5c36e9

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
66df4ffab62e674af2e75b163563fc0b

SHA1
dec8a197312e41eeb3cfef01cb2a443f0205cd6e

SHA256
075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

SHA512
1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

Download Submit
memory/3948-9-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads