b22bca171eb03ab3f5a8d8d8a5e0c78d7e17fe74ef5dca5018720c9e1f635165

General

Target
2026-08-05_a9e66b40db93147ad5c7cfd64648b1f9_bkransomware_elex_maze_rhadamanthys.exe
Size 156KB
Sample260805-lyjdmsvbqf
SHA256 b22bca171eb03ab3f5a8d8d8a5e0c78d7e17fe74ef5dca5018720c9e1f635165
MD5 a9e66b40db93147ad5c7cfd64648b1f9
SHA1 e9196e98aadaad982d83d4627f126e454da01b8b
SHA512 46c194b90d07e8f898234a5cf1f3ac6695bc5127579ac37fb4aa3fc94660f135925bf08c65c0cbe7790a5cc37a3343aad55407e18307453357751e039f589cf0
SSDEEP 3072:ZRpAyazIliazTZjqcWyASB7+4ruUKU9fJuCjo9NDbrtWfs1lA8FNyhp:xZ8azYcWyXS8vKU9Jul4fsTAgN6p
TLSH
T11FF3D00372D68171F0B7067298E9CE11066FBE765EB2CD6B37C8119E4A751C04E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1636	CTS.exe
4624	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"	2026-08-05_a9e66b40db93147ad5c7cfd64648b1f9_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	2026-08-05_a9e66b40db93147ad5c7cfd64648b1f9_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	2026-08-05_a9e66b40db93147ad5c7cfd64648b1f9_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	4404	2026-08-05_a9e66b40db93147ad5c7cfd64648b1f9_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	1636	CTS.exe
Token: SeDebugPrivilege	4624	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4404 wrote to memory of 1636	4404	2026-08-05_a9e66b40db93147ad5c7cfd64648b1f9_bkransomware_elex_maze_rhadamanthys.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-08-05_a9e66b40db93147ad5c7cfd64648b1f9_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-05_a9e66b40db93147ad5c7cfd64648b1f9_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:4404
- 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:1636

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:4624

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 6532810a834a55c18142fbb23b456f358e4a6aaf7fb792d1f697492711174921
MD5 65145bbfb5d42b9344fdb05303276968
SHA1 775bc8aedfa6bf2d44a74bc6a1c29710768edcb4
SHA512 3d9a40b524515dcd183b731beb63c474f67a79d3be0f9f765f7a4343f3b508422cec4b8f85d628ebdd52e444503e0ca8220fc4fdbb6ed721e548a6a28da6233b
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTD/qD:ZRpAyazIliazTD/C
TLSH
T1B7736C03B6D2C171E4B70A7649B4CE61067FBE765EB18E5B33C4218D09752C08E3ABA7
MD5 SHA1 SHA512 SSDEEP TLSH

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A8cR79oCEALOtYE.exe

Path C:\Users\Admin\AppData\Local\Temp\A8cR79oCEALOtYE.exe
Size 156KB
SHA256 fd5ba9318879409006801408500cd7f8883d46f4b166e0b38ea41c8160d67d3d
MD5 cc2611ab97ea40087191b1c3d166dbd4
SHA1 898870b1e7edbe3435ba51b356c6aa0249038364
SHA512 aab4bae0c517a41e87246b318c4eebc4cec397cc6fd4d1505ac970c6fe22974d9803d7cf11c928921ca2eeb08fc3780966cc739cb4c1414e41abc2a12de1bd42
SSDEEP 3072:ZRpAyazIliazTL549Ha9XptaJY1WSz0HxrMM:xZ8azx5mO1J0mM
TLSH
T1A6F3DF03BAC2D171F0BA167A08B0CE60067F7E775AB18D97379025AD49762C05E3AB77
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