ff506e8d385a640a05e00cae6c6b1c4b6d22b60cd0841f2e04b2411ab9ec0182

General

Target
2026-08-02_00c451f9b44b860f12e31eee0f35c125_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260802-g84p4sem2w
SHA256 ff506e8d385a640a05e00cae6c6b1c4b6d22b60cd0841f2e04b2411ab9ec0182
MD5 00c451f9b44b860f12e31eee0f35c125
SHA1 79673ad7ac65bc886fd979e5c776ef8ec28eaa38
SHA512 0593e21f9bd0922e25c5bfee9dea6f7054898487d13433497fe0e0cc95a7a919ea0821f83bbe1cbdf07895c1709a459b21b54d31d6657b567effa8aa61422f79
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazThLk8+QcmB5YSN:ZhpAyazIlyazThZ+mN
TLSH
T1D8939D13B6D2C170E0B70A7609B9CE51467FBE765FB18D5B3784108D0AB12C19E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4884	CTS.exe
1248	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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	2026-08-02_00c451f9b44b860f12e31eee0f35c125_bkransomware_elex_maze_rhadamanthys.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	2026-08-02_00c451f9b44b860f12e31eee0f35c125_bkransomware_elex_maze_rhadamanthys.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	2026-08-02_00c451f9b44b860f12e31eee0f35c125_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	3524	2026-08-02_00c451f9b44b860f12e31eee0f35c125_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4884	CTS.exe
Token: SeDebugPrivilege	1248	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3524 wrote to memory of 4884	3524	2026-08-02_00c451f9b44b860f12e31eee0f35c125_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_00c451f9b44b860f12e31eee0f35c125_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_00c451f9b44b860f12e31eee0f35c125_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:3524
- 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:4884

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:1248

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 11301ba84380c0928493fbf11228b57bb5f979e9ddfb9103a1f4e52cd549fb93
MD5 f369bb7bdfbb22f1d3a7b00e825d0c35
SHA1 816561092b62c45e69dd4090a1e759f0130475a3
SHA512 503bdef6d2e9000ae7effefd1b57bf9e8bdf1a2c325ca386a99f9c162da162a161f0914ff551e485787f310a4d4faff1006b3d409b397a780ca33225ee5617a4
SSDEEP 24576:DwwwDbOzLyPkt+QE9QlzdPUWK2ygr5XsQZcK8WL4FHMMuPd8nD6c:DwwwDqvskkJ9QbPy2yo5Vc+0FluM
TLSH
T18C452363BFD2E876E113067298A08C12126F3F931BB55FC3634E285E5D356E19E2076B
MD5 SHA1 SHA512 SSDEEP TLSH

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4XbQm1iffQmsCfF.exe

Path C:\Users\Admin\AppData\Local\Temp\4XbQm1iffQmsCfF.exe
Size 95KB
SHA256 f1d32d306930a974b3568108b4f2a74d8eea99f552c3d2099a142206b8b61242
MD5 eba330b40a4adf7cf3357b5a9d31c5b0
SHA1 c2a004d467f9038cf6bcc2765c9d9717e1763823
SHA512 4741aab7d0f867bef8ae2d9e4f3e18b76dd024a6134ea9216c25e11564dc46e9835444f6bdcdb01442491f458000cd32ac0a59185954ab4824fad8ccfcf08850
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTQLNQho4qcpavLs+8N:ZhpAyazIlyazT2IT4UN
TLSH
T1EF938D0376C2C170E4B6067609B9CE51066FBE725EB18D9B77C4259D09B52C08E3ABBB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
MD5 66df4ffab62e674af2e75b163563fc0b
SHA1 dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA512 1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT:ZhpAyazIlyazT
TLSH
T119636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads