a6f8f73bb4299e0dc928695d58787b163ba334958ea4ea12a9a54a3d2db1cc03

General

Target
2026-08-15_01624c166418c6f2071c8d3f53b64734_bkransomware_elex_maze_rhadamanthys.exe
Size 95KB
Sample260815-1mtskavwhw
SHA256 a6f8f73bb4299e0dc928695d58787b163ba334958ea4ea12a9a54a3d2db1cc03
MD5 01624c166418c6f2071c8d3f53b64734
SHA1 5438634b18500928601a0eed64acf3bbd2a89a89
SHA512 01b1f954c58adbc277f7d64f9c6604d758bdef6d031b2741bfde4241162b43c76bc8302e7beec26f1b5a3d3bbf8187dd969a900cfced142a384fd81afd26657b
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTAKOE+DTCggP9XtFBW:ZhpAyazIlyazTVOEtjljBW
TLSH
T12F939E13B6D68170F0B70A7248A9CE514A6FBE725FB18D5733C4218E45752C09E3ABAB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1124	CTS.exe
2260	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"	2026-08-15_01624c166418c6f2071c8d3f53b64734_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	2026-08-15_01624c166418c6f2071c8d3f53b64734_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	2026-08-15_01624c166418c6f2071c8d3f53b64734_bkransomware_elex_maze_rhadamanthys.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1896	2026-08-15_01624c166418c6f2071c8d3f53b64734_bkransomware_elex_maze_rhadamanthys.exe
Token: SeDebugPrivilege	1124	CTS.exe
Token: SeDebugPrivilege	2260	CTS.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 1124	1896	2026-08-15_01624c166418c6f2071c8d3f53b64734_bkransomware_elex_maze_rhadamanthys.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-08-15_01624c166418c6f2071c8d3f53b64734_bkransomware_elex_maze_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-15_01624c166418c6f2071c8d3f53b64734_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:1896
- 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:1124

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:2260

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 7eb23486f1706f3293f55b502db75bd8c9bb2e49a0ffd10d5c7fbc5388e56502
MD5 1ea500d4310745f31e8a2afbbb395402
SHA1 b49cedda8e6bd80a1f7dd4e7473b010ceeb3027d
SHA512 6d3e8568ad863108e589284a70ef76b5b5a0e3e7041c5e5b7758e9a382c87cf6666a2c803563dc8769aa819f4f2f1311e808eb56a6252778b746e667b89ee8cb
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTi:ZhpAyazIlyazTi
TLSH
T10E736B03B6D2C171E4B70A7649B8CE51066FBE765EB18D5B3384218D09752C09E39BBB
MD5 SHA1 SHA512 SSDEEP TLSH

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FKPZW2Ojacl0yzB.exe

Path C:\Users\Admin\AppData\Local\Temp\FKPZW2Ojacl0yzB.exe
Size 95KB
SHA256 1ab26978557cf4025a81e952315525d0014cff1eb7421cc3b6cc020eae16a915
MD5 e4d50d5b580c5a00120d64ee0459a496
SHA1 617617e857cd0046233183b1972d6a513b196ea4
SHA512 df8e347be42111ee9efcf02e30feaf482da599e0d14cf7916359d8cd871342f8a383d0551bbde9f9cf2563a609512e92bb74214b6e49235922c46fbfcefb3b3a
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTaFAeaJoae1PCHCfToiOgn:ZhpAyazIlyazTikJKxCH8Ogn
TLSH
T11C93AE0376D2C170E4B74A7209A8CE5106BFBE765EB18D5B37D4218E09716C18E39BB7
MD5 SHA1 SHA512 SSDEEP TLSH

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
MD5 66df4ffab62e674af2e75b163563fc0b
SHA1 dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA512 1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT:ZhpAyazIlyazT
TLSH
T119636B03B6D2C171E4B70A7649B8CE51067FBE765EB18D5B33C4218E49752C08E3ABA7
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