b004066d96884b86d2dba4474730f413869ba367f45bd386d32f28525cd85219

General

Target
2026-09-04_88aa378f7151787b84c3cc34507b81dd_bkransomware_elex_maze_rhadamanthys.exe
Size 3.2MB
Sample260905-e3lagaen2v
SHA256 b004066d96884b86d2dba4474730f413869ba367f45bd386d32f28525cd85219
MD5 88aa378f7151787b84c3cc34507b81dd
SHA1 5bfd5b6f40628220aba8c8b0824f9422643b9fa1
SHA512 387cd4d240f34cc213fcad7ac66b2ed79360b31c5226289d123c04917102ff36b4839f1b77800cb7651fb80740e999c8f59f4d5bf471f8270d5106c85d267c3a
SSDEEP 98304:LogL2xqjhtNZ81oJ+Wb/uRibez4NdPrhx5sXK30d:TrNZ2oJbqYbeWRlvq6q
TLSH
T187F5335F74445FB5D0EA0DB1E605EB191F9BB837EEE26A869218385C3DBA3D0011BF12
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
behavioral2/files/0x000f000000016cb6-4.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
3092	Bw9PPqgEqD2Stfp.exe
4968	CTS.exe
3020	Bw9PPqgEqD2Stfp.exe
7148	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"	2026-09-04_88aa378f7151787b84c3cc34507b81dd_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

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	2026-09-04_88aa378f7151787b84c3cc34507b81dd_bkransomware_elex_maze_rhadamanthys.exe
File created	C:\Windows\CTS.exe	CTS.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	2026-09-04_88aa378f7151787b84c3cc34507b81dd_bkransomware_elex_maze_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bw9PPqgEqD2Stfp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bw9PPqgEqD2Stfp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1292	2026-09-04_88aa378f7151787b84c3cc34507b81dd_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	4968	CTS.exe
Token: SeDebugPrivilege	7148	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 3092	1292	2026-09-04_88aa378f7151787b84c3cc34507b81dd_bkransomware_elex_maze_rhadamanthys.exe	90
PID 1292 wrote to memory of 4968	1292	2026-09-04_88aa378f7151787b84c3cc34507b81dd_bkransomware_elex_maze_rhadamanthys.exe	91
PID 3092 wrote to memory of 3020	3092	Bw9PPqgEqD2Stfp.exe	92

C:\Users\Admin\AppData\Local\Temp\2026-09-04_88aa378f7151787b84c3cc34507b81dd_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-04_88aa378f7151787b84c3cc34507b81dd_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:1292
- C:\Users\Admin\AppData\Local\Temp\Bw9PPqgEqD2Stfp.exe
  C:\Users\Admin\AppData\Local\Temp\Bw9PPqgEqD2Stfp.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3092
- - C:\Users\Admin\AppData\Local\Temp\Bw9PPqgEqD2Stfp.exe
    C:\Users\Admin\AppData\Local\Temp\Bw9PPqgEqD2Stfp.exe --crash-handler "--database=c:\users\admin\appdata\local\Google\Software Reporter Tool" --url=https://clients2.google.com/cr/report --annotation=plat=Win32 --annotation=prod=ChromeFoil --annotation=ver=18.102.0 --initial-client-data=0x2b8,0x2b0,0x2bc,0x2b4,0x2c0,0x2b82fc,0x2b830c,0x2b831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3020
- 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:4968

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:7148

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

Query Registry

1

T1012

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 63916aaf2df8b65e92ac30c0cc9aef23ee77464b2e6938a2f1394e3b17f5f39b
MD5 dbf2c435b0b5c5c8234434b519b0361e
SHA1 f8cd27efe8f004042c390e3b45f888c64eec3a8d
SHA512 a0baf24e9d794ddc78e42046d2c846371b071eed3c27914faceb7ee6b56261ea83f131df54b78456e5c633fd0988b5f6a1d5786be029cde100ba265d6f79b713
SSDEEP 12288:5S0YK3oAOpG07ZDYbTAHYv+Hdn6xbuTaYOu3bWms:L9ypG07+c4GH16E8u3o
TLSH
T176C412177AD6C2B1E4BA0A3184544F5159AF7EB21AB18E9773D421CC88356C20E3DBBF
MD5 SHA1 SHA512 SSDEEP TLSH

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Bw9PPqgEqD2Stfp.exe

Path C:\Users\Admin\AppData\Local\Temp\Bw9PPqgEqD2Stfp.exe
Size 3.1MB
SHA256 b9e001c5ef4845c2c0ce7a1ce134c774a7cd011af31dfbe2a13a96da2f68570e
MD5 a20245af2627cc9d55fbb3a1c682a334
SHA1 2ddbd81a16c18a7d5099f171473439bf84210a16
SHA512 f2a1d8e559dcd3016c3ad67c3c74e88ec62adc5a36ebf16df46f13d60627a9fc3b57dc9746f4551284d1c7eb79b364e76db7e539bfb8a9c20e1828f80bff9d1b
SSDEEP 24576:9yn2D7bFEc7r34rgxlqxjHHTVKIAF3XwVTTIUpWVH1kknPrMkkkskkkkkRkkkkkX:Ug7bV4UxExTTo6TkUEmT5xxvRCI5D
TLSH
T1DFE55C13BEC04032EAB70670B87BBB51557A7E209F1364CF7AC8362E1C716D1AA72756
MD5 SHA1 SHA512 SSDEEP TLSH

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 be3a3bae58c689a47e518f56073a05319faefa6b87998dd2c916f1d7f0186245
MD5 3cd3df24849faa91edca698f80a0bf1d
SHA1 a7925b1a493dbc90de3620a424fb3e273864f03a
SHA512 d43cc52a9ecac1a733606893ef343e3e08e23e31cee0f07ba21fd249f9ad8db5df17e056d831d79f6bbaa833e06d1eccc04d6efc4d1df2ac5db3bbab51d38f54
SSDEEP 1536:Nc8N7UsWjcd9w+AyabjDbxE+MwmvlDuazT:xRpAyazIlyazT
TLSH
T120636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218D0A752C09E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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settings.dat

Path \??\c:\users\admin\appdata\local\Google\Software Reporter Tool\settings.dat
Size 40B
SHA256 e9244e9fa4c44f8d82049a8e0a6cd2800582a955ac03a939b0b1cd8675204725
MD5 2a1d03457a3a904e2475a5c5b89f6690
SHA1 235ee2fc070e39f2b4cf23e67170b01d68b44cdf
SHA512 041dded9a4c2b5e94f03939bf84d0c793755d7e377b16c9f6cfe3dc1ff7d6dffee7bee5094ade344017c7b3c4c47736e3e50a41820159f6153f42e9e33a6d154
MD5 SHA1 SHA512

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads