d684b6176234e1dae967af75baa1613a4b3172bf1d6260ca23e3a8dfd0134623

General

Target
2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260720-1yv5rshv21
SHA256 d684b6176234e1dae967af75baa1613a4b3172bf1d6260ca23e3a8dfd0134623
MD5 c5d473bbf7a6d59344be04b4a5fbd836
SHA1 9b356ee0a68ad7bf7ae2ac4617e89794c04508dd
SHA512 579569850a5f4eba2086b07d8fb0e1de76772efbc22323ebad20e12fcd6fae42ba2617987b2e83c139974e20cf9b7c93c910c45aecc0ce7c0b48f596b0b4281f
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTVokE0kyGhhE3/rKF86r:ZhpAyazIlyazTVLE02hA+n
TLSH
T12F939D03B6D2C1B0F4B71A3649A9CE50067FBE765FB28D573784218D19752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4928	CTS.exe
3476	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"	2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_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	2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_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	2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_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	4736	2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4928	CTS.exe
Token: SeDebugPrivilege	3476	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 4928	4736	2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_bkransomware_elex_maze_rhadamanthys.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-20_c5d473bbf7a6d59344be04b4a5fbd836_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:4736
- 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:4928

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:3476

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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 73KB
SHA256 71bf96aa9b3308b1f899f7cea3a4e0c5f5550978153873948682a9f28a022b04
MD5 288fa3cfa309eb0db6249ad56b9d18e7
SHA1 4504cd954b077d1fddce482e0c48848ca3a86d5d
SHA512 4c095714c51ffdc852bf6ea79f90c256d125de259b3d12491c6c9fe243ed822460f2e2a7a40872b58043a50c70c5c1a460cd8140e0f0adefc7fe539ea7d83284
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTe2wV:ZhpAyazIlyazTe2Q
TLSH
T1BE736B03B6D2C171F4B70A3649A9CE51067FBE765EB18E5B3384218D49752C08E3ABB7
MD5 SHA1 SHA512 SSDEEP TLSH

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XZryeyShovtj5WF.exe

Path C:\Users\Admin\AppData\Local\Temp\XZryeyShovtj5WF.exe
Size 95KB
SHA256 fd97a9cdf7ebbfaf8823bba61a16aa7797f484f4a1ebffefa7e5800a290851f7
MD5 6fa20b2bac146ac217097c60b5f4c258
SHA1 7cb953816d7010cb8b2501def0b78eec0502e686
SHA512 7afe029373529b9aae079c4ec5f775e616203fd6c086f4cfdb240220e502a5195b18930033d920f0b984407c6142ded64a0da453f4f40d0f81bf3645ac65799e
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT/gFf5dM49FdFz:ZhpAyazIlyazT/If5l9FdFz
TLSH
T158938C03BAC1C170E4B7473605B99E210ABFBE765FB68D573384218D09716D14E3ABAB
MD5 SHA1 SHA512 SSDEEP TLSH

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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

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads