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
behavioral1/files/0x0033000000016864-3.dat	INDICATOR_EXE_Packed_Dotfuscator

Executes dropped EXE 4 IoCs

pid	Process
4324	MH14VFvqwYVsqzq.exe
784	CTS.exe
4252	MH14VFvqwYVsqzq.exe
4588	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	2026-09-04_88aa378f7151787b84c3cc34507b81dd_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 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	MH14VFvqwYVsqzq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MH14VFvqwYVsqzq.exe
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	CTS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3972	2026-09-04_88aa378f7151787b84c3cc34507b81dd_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	784	CTS.exe
Token: SeDebugPrivilege	4588	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 4324	3972	2026-09-04_88aa378f7151787b84c3cc34507b81dd_bkransomware_elex_maze_rhadamanthys.exe	85
PID 3972 wrote to memory of 784	3972	2026-09-04_88aa378f7151787b84c3cc34507b81dd_bkransomware_elex_maze_rhadamanthys.exe	86
PID 4324 wrote to memory of 4252	4324	MH14VFvqwYVsqzq.exe	87

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:3972
- C:\Users\Admin\AppData\Local\Temp\MH14VFvqwYVsqzq.exe
  C:\Users\Admin\AppData\Local\Temp\MH14VFvqwYVsqzq.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4324
- - C:\Users\Admin\AppData\Local\Temp\MH14VFvqwYVsqzq.exe
    C:\Users\Admin\AppData\Local\Temp\MH14VFvqwYVsqzq.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=0x288,0x280,0x28c,0x284,0x290,0x3d82fc,0x3d830c,0x3d831c
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4252
- 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:784

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:4588

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

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 73KB
SHA256 9c569e53941af02fbaa6ed4a8a469397c1511460ff044b587910e47c36942a51
MD5 586fb057a2855626be7abf7193eba83b
SHA1 817414cec3151ed134b89da4c394254e92a5af0f
SHA512 7db66280c0fe832cae4adce816acf1c7c6ce7c84a388472f4523f230c105d208978f2e02cf0d3321b7773ab6a7515b7e5eea937afb4217990610059acb847037
SSDEEP 1536:Nc8N7UsWjcd9w+AyabjDbxE+MwmvlDuazTDn:xRpAyazIlyazTDn
TLSH
T143736C03B6D2C171E4B70A7249B9CE5106BFBE765EB18D5733C4218D09752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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MH14VFvqwYVsqzq.exe

Path C:\Users\Admin\AppData\Local\Temp\MH14VFvqwYVsqzq.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 171a824ab7fc0b915e84af037339b37b794b2acea7ceb7205d9b90950e678c9d
MD5 55f618cd6a5aeb933ef4e93128b6cb40
SHA1 ec1d9e5e6531dd0b5eaf58b4a59407aec40ff1ab
SHA512 b3346c48f2d2b1a4b6a94013ff434efba69e81687e8d3f64bcacffb571bcfd282f8fe20a8546b3a23e03a89e530096d92e86992f46c3db0925d914e92da6c5f3
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