d080249eac5093cc99f9a5783f8b23049532512ed7acf2a968c299d2eff3140c

General

Target
2026-08-06_4ae5ae9fa54f52c09fd47bcf1f6d6950_bkransomware_elex_maze_rhadamanthys.exe
Size 557KB
Sample260806-ykawkazcjb
SHA256 d080249eac5093cc99f9a5783f8b23049532512ed7acf2a968c299d2eff3140c
MD5 4ae5ae9fa54f52c09fd47bcf1f6d6950
SHA1 253b0c1792458af3ececfafa343f8e2cda80e77d
SHA512 3109c7a0abed8e4790881537cce473421637a5290283a661e04331a1a60d35f5b7cd47a6c7299d2d4d9712df80a14c728a4661cacc58883070b0e45d44b91030
SSDEEP 12288:xC0DwGRRZ4W8thjOODyenNzCSHriRDWrw5Yr4x00Pki:DcJzNzC6roDUAYr4x00F
TLSH
T123C42347B6C1D176F6BF07354984CB641A7FBC760EF18A4B278428AD1A282D08D3AF57
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4332	CTS.exe
4576	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"	2026-08-06_4ae5ae9fa54f52c09fd47bcf1f6d6950_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	2026-08-06_4ae5ae9fa54f52c09fd47bcf1f6d6950_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	2026-08-06_4ae5ae9fa54f52c09fd47bcf1f6d6950_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	5416	2026-08-06_4ae5ae9fa54f52c09fd47bcf1f6d6950_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4332	CTS.exe
Token: SeDebugPrivilege	4576	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5416 wrote to memory of 4332	5416	2026-08-06_4ae5ae9fa54f52c09fd47bcf1f6d6950_bkransomware_elex_maze_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-06_4ae5ae9fa54f52c09fd47bcf1f6d6950_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-06_4ae5ae9fa54f52c09fd47bcf1f6d6950_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:5416
- 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:4332

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:4576

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

officeclicktorun.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\officeclicktorun.exe_Rules.xml
Size 557KB
SHA256 a26207a46592daac97dbeac0ed2d7309f16322f9e5afbdfc20b0fec04ad87385
MD5 2c617c43f05b79a6005d5c0f5ed36b3f
SHA1 7b47cfdca1f278e2c7ccd023f20339f8fadeb6f2
SHA512 8cc4d6fc48cceaad8893872324ce4436df0e683844652c358eaeab3aa4ea674bcbb113bbbc9d93d75764dd2ff7d9b77587ae1dbcbad3bb5ad9945932af869ffa
SSDEEP 12288:xC0qtrAwvXhVIOzvXG4VJfjq6yvFF6qgtzB/+CUdLKgL+se:DKrAwBewfexF1gRBud1Q
TLSH
T12DC41213B2D8C1B1E07B1A7249789E960B7F7D7346B19E8723C4249D28356D09E367B3
MD5 SHA1 SHA512 SSDEEP TLSH

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xBxMRMCOv6teVw4.exe

Path C:\Users\Admin\AppData\Local\Temp\xBxMRMCOv6teVw4.exe
Size 557KB
SHA256 9034f1874821f7897ed67a7192572ce1f9c3914787a94b8ab84d5bac50b44586
MD5 6e52825b3e2c107b0f9f0d1f3792636a
SHA1 2e2492cad00671c01c73c060cfd6cf1a26aa660a
SHA512 bcc4abfdb908554a2aacaa43d4d47a70a65386a304b3c524947fd20605b00abefc123e42e2d9f5f8ff9e59b25cf95f23b7b7ca786423fb1c666a634e0e929ac8
SSDEEP 3072:ZRpAyazIliazTkBVf0E+U4SyJGdWMNiBlarx4rhFdyoj:xZ8azABKSe7arkhzZ
TLSH
T1E7C4FC8590D36513EB79963193A18EDEDFB51193AAC4B040705D3BBB9F32C890E0BA77
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