2e7c69d913716c11b85c3446e388e4fc3c8cd38f62a754488c92215e806a7845

General

Target
2026-05-11_3ddd120d2453e7b714b00603bb883027_bkransomware_elex_maze_rhadamanthys.exe
Size 211KB
Sample260511-mfm5jsav4n
SHA256 2e7c69d913716c11b85c3446e388e4fc3c8cd38f62a754488c92215e806a7845
MD5 3ddd120d2453e7b714b00603bb883027
SHA1 77fbee234fba7359e158a810dc8b7988f50dd857
SHA512 3bef0723f34a5cea228f32ed5a858e9037cbbeee1ddcb8f826ca13feeb561c211bc49fd8be0294a81046065d9b9b20f40de0e120bc13b80f3a3e043307854706
SSDEEP 3072:ZRpAyazIliazTmv+uD8cMjWw2Yb0j4jGbUedXfOiz34vwgb92T4FwxJTGViXY:xZ8az4+5jWw2YbXjGUedXWizV+nw4
TLSH
T10A24F11BB6D2D174E0B6027A4AA58E51477FBD725EB28E0737D8208E09752C08E39F77
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
5012	bSjjjo4y7ICjaJZ.exe
3472	CTS.exe
4980	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"	2026-05-11_3ddd120d2453e7b714b00603bb883027_bkransomware_elex_maze_rhadamanthys.exe
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"	CTS.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2026-05-11_3ddd120d2453e7b714b00603bb883027_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 3 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	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bSjjjo4y7ICjaJZ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-05-11_3ddd120d2453e7b714b00603bb883027_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5064	2026-05-11_3ddd120d2453e7b714b00603bb883027_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	3472	CTS.exe
Token: SeDebugPrivilege	4980	CTS.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 5012	5064	2026-05-11_3ddd120d2453e7b714b00603bb883027_bkransomware_elex_maze_rhadamanthys.exe	79
PID 5064 wrote to memory of 3472	5064	2026-05-11_3ddd120d2453e7b714b00603bb883027_bkransomware_elex_maze_rhadamanthys.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-11_3ddd120d2453e7b714b00603bb883027_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-11_3ddd120d2453e7b714b00603bb883027_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:5064
- C:\Users\Admin\AppData\Local\Temp\bSjjjo4y7ICjaJZ.exe
  C:\Users\Admin\AppData\Local\Temp\bSjjjo4y7ICjaJZ.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5012
- 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:3472

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:4980

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

excel.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Size 393KB
SHA256 66d65cda850b0415377b4379cc1fcbaa5bc01aa2e644f5e4558a1e09d75c74b4
MD5 8d8d53d048a170e6b6ba38afb5d827a1
SHA1 beeda694c66cbb848c1d3d6da95a2cf48e849d41
SHA512 1ec0308d9a014d1fe8ed7820f224edef06d2d2dba0fbc3cde60d422ed5390a471e812acbca6e29e280d4d2a98b52f7f8ce60274655ea4ccd9d57d43066284217
SSDEEP 6144:xZ8az0n9FKnlTcKTgDY82q5aH7qd1wksDvK8y02r1S1oFWSY:xC009FKSDn70zksGUQ1Sq1Y
TLSH
T109841203B7E3C0B1D5B702B258B2DEA5067FBC799A348E43678414CE19765C04E36BAB
MD5 SHA1 SHA512 SSDEEP TLSH

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bSjjjo4y7ICjaJZ.exe

Path C:\Users\Admin\AppData\Local\Temp\bSjjjo4y7ICjaJZ.exe
Size 140KB
SHA256 a09f012723c5425bb928399302eb90362116855b3d0612347e76e8b7c82127b7
MD5 9c98d1a23efaf1b156a130cea7d2ee3a
SHA1 947a300323ce1b2468422ad62316cb5da039e423
SHA512 f74396ce284ca7f02f51474ddec39629310451743e7ca08deda9f43cb314d97c7671ea3c504f3f09495e733a6b9bc196ae971553e9e3c4741b287e613be6ef6f
SSDEEP 3072:1JEXiJu7COG12zuf9AxnPKiadKSUoxzWCtnRPF9EVnb43jaI5grI2v0:0K9J2JPT/SUxCtnRPF9cCGrI2v
TLSH
T198E3AF13BAC1D475F671083428769A91CA3FFC815F615EAB3B98357A4F342C09932EA7
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