d9988e6bf93bb3437409d6abbcd820e4927106a6baceb44d863b89581c776abe

General

Target
2026-09-13_a47a5135bdf95a21e831281156d84380_bkransomware_elex_maze_rhadamanthys.exe
Size 71KB
Sample260913-n2a8jsaf75
SHA256 d9988e6bf93bb3437409d6abbcd820e4927106a6baceb44d863b89581c776abe
MD5 a47a5135bdf95a21e831281156d84380
SHA1 be7c3bb992d389b7bc63e8dadaea2dbfdab792e5
SHA512 b94929c09a1db39d3af14e7f49f2b43be3aa8a9f25ff1fabf3c559cb7a97979ecb72d3655f1a785251b3fb480d83e0ba364dacdf8c2f165ed436b0b61a3a8985
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT7v:ZRpAyazIliazT7v
TLSH
T1A6636C03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218D0A752C09E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5072	CTS.exe
3436	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"	2026-09-13_a47a5135bdf95a21e831281156d84380_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	2026-09-13_a47a5135bdf95a21e831281156d84380_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	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-09-13_a47a5135bdf95a21e831281156d84380_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3272	2026-09-13_a47a5135bdf95a21e831281156d84380_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	5072	CTS.exe
Token: SeDebugPrivilege	3436	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3272 wrote to memory of 5072	3272	2026-09-13_a47a5135bdf95a21e831281156d84380_bkransomware_elex_maze_rhadamanthys.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-09-13_a47a5135bdf95a21e831281156d84380_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-13_a47a5135bdf95a21e831281156d84380_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:3272
- 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:5072

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:3436

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 78e69caae675ca3f594f7c9aefab79e7db948a244a70293c3e46ba9cf19f2d35
MD5 d1a3087b66326dc595d3b9c6f75585b7
SHA1 ec90daa75b4dcbd570de2818c03dfe3fb7a5dd00
SHA512 9f7cb76e0a0dafe2a3f929093e0fc3ad7317c8b8d10a769c3b0eaf679f03255ecfc345a3563bf99dfeca8feb5081a9f0e1fbae6cb4536490c4e24def17981b94
SSDEEP 24576:DSwB+jrnD/AWQ33HhWeTyudh1PUexE+dlc3HfLepCWX:DSwonnD/Ap33H3Tyy18exE+fcPLa/
TLSH
T1CE4523037B822974F28A547350AA4CB08F2F3DA91EF11C2A7755719E4C636D09C3A7EE
MD5 SHA1 SHA512 SSDEEP TLSH

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4zlNe7N36foIxHr.exe

Path C:\Users\Admin\AppData\Local\Temp\4zlNe7N36foIxHr.exe
Size 71KB
SHA256 48f57af26847c39d4f705decfe878fad6b8c7179d747b89621ddfd05d817ce4f
MD5 5861b6223ac937c17410235b9e09c4e1
SHA1 b164b9c7ec868ba7ede21a8119f1a381bf9aee1c
SHA512 8213a2126f7089ffcf351f0f2c46114eb0f1aa60b568d3fee249a0c609bfbde0205f4e9eb349ce21cb3b227d4c1cf4f0e6b77b386a3e526713b703e55536d12b
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT0b:ZRpAyazIliazT6
TLSH
T10D636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218D4A752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

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

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads