5b9a210ee33d08fae97034cd4bc7f3e7a680af3cd6d60e9d319e5088d6e742be

General

Target

2024-04-30_88584f484d4822dba788e8af41a82c7a_bkransomware.exe
Size

96KB
MD5

88584f484d4822dba788e8af41a82c7a
SHA1

e7d6c54fe7016604fbdc111f739a403111ebe520
SHA256

5b9a210ee33d08fae97034cd4bc7f3e7a680af3cd6d60e9d319e5088d6e742be
SHA512

c42c7ec97f368d0238b7ec530f73189b5f7e6aa02e3641832fc644dcb4f5e0adf26a4d909fa3ddb3d9b5cd94a135407f079d29b4778aba166c1044fcf8d13837
SSDEEP

1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTIWiTCBMWnBTpIm:ZhpAyazIlyazTIBWBMWgm

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2320	GNdbVwjcVJRJv8Z.exe
2148	CTS.exe
1084	Process not Found

Loads dropped DLL 3 IoCs

pid	Process
2912	2024-04-30_88584f484d4822dba788e8af41a82c7a_bkransomware.exe
2912	2024-04-30_88584f484d4822dba788e8af41a82c7a_bkransomware.exe
2704	Process not Found

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"	2024-04-30_88584f484d4822dba788e8af41a82c7a_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	2024-04-30_88584f484d4822dba788e8af41a82c7a_bkransomware.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2912	2024-04-30_88584f484d4822dba788e8af41a82c7a_bkransomware.exe
Token: SeDebugPrivilege	2148	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2320	2912	2024-04-30_88584f484d4822dba788e8af41a82c7a_bkransomware.exe	28
PID 2912 wrote to memory of 2320	2912	2024-04-30_88584f484d4822dba788e8af41a82c7a_bkransomware.exe	28
PID 2912 wrote to memory of 2320	2912	2024-04-30_88584f484d4822dba788e8af41a82c7a_bkransomware.exe	28
PID 2912 wrote to memory of 2320	2912	2024-04-30_88584f484d4822dba788e8af41a82c7a_bkransomware.exe	28
PID 2912 wrote to memory of 2148	2912	2024-04-30_88584f484d4822dba788e8af41a82c7a_bkransomware.exe	30
PID 2912 wrote to memory of 2148	2912	2024-04-30_88584f484d4822dba788e8af41a82c7a_bkransomware.exe	30
PID 2912 wrote to memory of 2148	2912	2024-04-30_88584f484d4822dba788e8af41a82c7a_bkransomware.exe	30
PID 2912 wrote to memory of 2148	2912	2024-04-30_88584f484d4822dba788e8af41a82c7a_bkransomware.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-04-30_88584f484d4822dba788e8af41a82c7a_bkransomware.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-30_88584f484d4822dba788e8af41a82c7a_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:2912
- C:\Users\Admin\AppData\Local\Temp\GNdbVwjcVJRJv8Z.exe
  C:\Users\Admin\AppData\Local\Temp\GNdbVwjcVJRJv8Z.exe
  2⤵
  - Executes dropped EXE
  PID:2320
- 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:2148

Network

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\GNdbVwjcVJRJv8Z.exe

Filesize
96KB

MD5
d45c5881ad0d3bf90c7a9be536d6bb57

SHA1
ca7800bf2af19ac75188180c558af1a77d36f901

SHA256
978d2975c823a1bc2aaf8a916c7a85b05b528a0cbfa81ca6bef35ae3f069144c

SHA512
692946926b66cf80e47078d98912ad856c2463389411471e17d834d487a0f89bb7bef37731cf187e7db49b9c4f3216c0272ac51b829e3d4157bbc9f80a002e00

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
66df4ffab62e674af2e75b163563fc0b

SHA1
dec8a197312e41eeb3cfef01cb2a443f0205cd6e

SHA256
075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

SHA512
1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

Download Submit
\Users\Admin\AppData\Local\Temp\GNdbVwjcVJRJv8Z.exe

Filesize
25KB

MD5
abbd49c180a2f8703f6306d6fa731fdc

SHA1
d63f4bfe7f74936b2fbace803e3da6103fbf6586

SHA256
5f411c0bd9ed9a42b0f07ed568c7d0cf358a83063b225a1f8f7da3296dde90f1

SHA512
290dd984acc451b778f3db8c510bae7aec1d9547c3ad0a1829df731c136e4ecc9a37dc6a786cf8f1ecc4d14339aed1288af25055f450f6f953138c8d4d5c36e9

Download Submit
memory/2320-15-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads