19c8ca0df02b97223e96e4fa4953623bfe60990276ca27386b1be2b1adefdc7e

General

Target
2026-07-31_7c05b4ebbd47075b6a8077837dafe1f5_bkransomware_elex_maze_rhadamanthys.exe
Size 1.2MB
Sample260731-nr29aafj71
SHA256 19c8ca0df02b97223e96e4fa4953623bfe60990276ca27386b1be2b1adefdc7e
MD5 7c05b4ebbd47075b6a8077837dafe1f5
SHA1 ea90e7199e6e68885045c8975dc2ed8675a70d85
SHA512 0c00898abb9a936d924110c3a8589402d70a6eda19e761aa80ffc14bfc13d2283486665dbed306f5da98d3da2a643bf9b37801a693820ff2fb76d2da38ad0934
SSDEEP 24576:DEhkD9y5sOzOTD4dyl5C2w51ZOj+IyCnjO6mmhs:D5h0CeY5C2E16ByCnjOl9
TLSH
T1A85533437FC1C1A4F83AE47184F45B3281AEB87529F2CAE2730800AE55A55F19D7AF5B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5912	CTS.exe
3068	CTS.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 3 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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	2026-07-31_7c05b4ebbd47075b6a8077837dafe1f5_bkransomware_elex_maze_rhadamanthys.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-07-31_7c05b4ebbd47075b6a8077837dafe1f5_bkransomware_elex_maze_rhadamanthys.exe
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	CTS.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-31_7c05b4ebbd47075b6a8077837dafe1f5_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2508	2026-07-31_7c05b4ebbd47075b6a8077837dafe1f5_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5912	CTS.exe
Token: SeDebugPrivilege	3068	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 5912	2508	2026-07-31_7c05b4ebbd47075b6a8077837dafe1f5_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-31_7c05b4ebbd47075b6a8077837dafe1f5_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_7c05b4ebbd47075b6a8077837dafe1f5_bkransomware_elex_maze_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:5912

C:\Windows\CTS.exe
C:\Windows\CTS.exe
1⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3068

Network

MITRE ATT&CK Enterprise v16

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

onenote.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\onenote.exe_Rules.xml
Size 1.1MB
SHA256 cd7bc23984e92f81f7b8150921280a1dcc3d40013f625a895515c99e066db74f
MD5 2658b3b994ceff0b3db1b35991905952
SHA1 3618bb13ade11498d2ffb588e67fd6f2153faba0
SHA512 280c537e753babbacc5e73d84f91fee4c897790a0ffba253ae32d867ffc2fb2cd226669574590de09916637c3fd2bef6852885a5a3c26b805254ae3b6e66dddf
SSDEEP 24576:DLarceu7Ycu1EynuDCT8Fl6+TRBKarXVA9H6eWPhHdx2RQ:DmrcePcutFWtTRIaZEG9sa
TLSH
T13F45234F30D7813BE8E606335525DC6709EF7E9BA6E1CD0237A426DE47612E1093E623
MD5 SHA1 SHA512 SSDEEP TLSH

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aTNUYygeT55mxET.exe

Path C:\Users\Admin\AppData\Local\Temp\aTNUYygeT55mxET.exe
Size 1.2MB
SHA256 bbe78af76c08b7d1bb9b27b5f829b39a7e576df775b7a34f48995bde4df0cf2b
MD5 7a9432fbabfd9506e23a53baba51e80d
SHA1 cc1c107b4ea273c85f2e06d59232769ff73a5868
SHA512 bddb040b6801bd0dd348d301dc9c9ab86483b2334d4b53451adc99dc41b90399e78d4d1c72c7f3ee4d3b6606c0bb12e67a3e7c645a40384d78ef34ea0c246f42
SSDEEP 12288:EOdrpBKeURPHLYRcrCHmF2s3tH6sxUe2CAS5MQL/XpZl30efd2MmSYvh5v+AhnJW:FrjIZERct5h6sxfLAOMQLRH5PGflOJQ0
TLSH
T170550784A0C354136B79E511B3A28AEEEFE5C1A399C47890305D27BBDF378950D0BA77
MD5 SHA1 SHA512 SSDEEP TLSH

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc
MD5 f9d4ab0a726adc9b5e4b7d7b724912f1
SHA1 3d42ca2098475924f70ee4a831c4f003b4682328
SHA512 22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT:ZRpAyazIliazT
TLSH
T176636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads