b1bf350e07406f9a0d098fe3cc195489fbb79c98f282141b28f553119df9e111

Analysis

max time kernel
150s
max time network
133s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/08/2026, 23:13

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General

Target
2026-08-14_aa5bbfe6c154c0802a01b5d0f3348ff2_elex_rhadamanthys_wannacry.exe
Size 521KB
Sample260814-27dgrace67
SHA256 b1bf350e07406f9a0d098fe3cc195489fbb79c98f282141b28f553119df9e111
MD5 aa5bbfe6c154c0802a01b5d0f3348ff2
SHA1 d8a20be123994fb4f40fefef12cc1efbcd294d6b
SHA512 08a3bb7ef770724fd3d294aff8976177946d9003b4542b86444a27b879e21705b7bebfa6ce9edcec84a599a7e1153d35032233d5a3944d5ed748ee94343b32b2
SSDEEP 6144:IGkNeugsYW02QnZlmR75Yi2X3IQCn3fjA9VZFzUxXOdy/KkicWM+5nXwBSs:IGruf026ZlmR70Y/k9VS+LPMR
TLSH
T199B4291639FCC73BE3D25530CE6DFB90B0F6BA684F21489736D4191C2A76982D31AA1D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
816	sysmgr.exe

Enumerates connected drives 3 TTPs 2 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\D:	sysmgr.exe
File opened (read-only)	\??\G:	sysmgr.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4"	sysmgr.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\sysmgr.exe	2026-08-14_aa5bbfe6c154c0802a01b5d0f3348ff2_elex_rhadamanthys_wannacry.exe
File created	C:\Windows\svc.dat	2026-08-14_aa5bbfe6c154c0802a01b5d0f3348ff2_elex_rhadamanthys_wannacry.exe
File opened for modification	C:\Windows\conf.dat	sysmgr.exe
File created	C:\Windows\conf.dat	sysmgr.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3100	816	WerFault.exe	89

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	2026-08-14_aa5bbfe6c154c0802a01b5d0f3348ff2_elex_rhadamanthys_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysmgr.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A8CDFF1C-4878-43be-B5FD-F8091C1C60D0}\Instance\	2026-08-14_aa5bbfe6c154c0802a01b5d0f3348ff2_elex_rhadamanthys_wannacry.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2960	2026-08-14_aa5bbfe6c154c0802a01b5d0f3348ff2_elex_rhadamanthys_wannacry.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	2960	2026-08-14_aa5bbfe6c154c0802a01b5d0f3348ff2_elex_rhadamanthys_wannacry.exe
Token: 35	2960	2026-08-14_aa5bbfe6c154c0802a01b5d0f3348ff2_elex_rhadamanthys_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 816	2960	2026-08-14_aa5bbfe6c154c0802a01b5d0f3348ff2_elex_rhadamanthys_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-14_aa5bbfe6c154c0802a01b5d0f3348ff2_elex_rhadamanthys_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-14_aa5bbfe6c154c0802a01b5d0f3348ff2_elex_rhadamanthys_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Windows\sysmgr.exe
  "C:\Windows\sysmgr.exe"
  2⤵
  - Executes dropped EXE
  - Enumerates connected drives
  - Modifies WinLogon
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:816
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 816 -s 736
    3⤵
    - Program crash
    PID:3100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 816 -ip 816
1⤵
PID:2288

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

svc.dat

Path C:\Windows\svc.dat
Size 2KB
SHA256 070b34d7376c582f52040111c8fc3bca636d156067701e304c97535e1bed6474
MD5 8ea15697d9e40d1f2cccbf231ad7e1bf
SHA1 d76230b2aa4b65a8f03bf6851808a80fe7e63c8c
SHA512 8c33628d8235d19456e0cde4fa8fd612d99e5f341e2528ecd779bed200428c62dcc15f2573768be884857765e5c43fa356ff335a74761ec15361402ae534efbd
TLSH
T1DC51E0E7E461DF9FC0BA013C78DA251655792FC634AC274875BB31B22C706B5C6EA4C1
MD5 SHA1 SHA512 TLSH

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sysmgr.exe

Path C:\Windows\sysmgr.exe
Size 36KB
SHA256 e506e529d2d1d80ba433d4dec9fcbf07506112c8d0a130bed322f03346640456
MD5 2373dfbdba70b54164d4fe163f7f59f1
SHA1 fbc51778f9e4868ddce4763d0bef4cb48090e3f6
SHA512 32e48c596def05ddd1c987ae54cb069f750e0e4a993aa9f5c1d69e11c49ca90f6d324dfb4fa7c29c7d642eb2d939b2efe9332e0f4f4cbc5a0b2893adbf8598ec
SSDEEP 384:pnAvHMUga1Tz86P5LDml85VOLa4Z9aZeXJJReypFy+E66ryotf:lMMXa106BL5kvSZeZPeAA+P6ryotf
TLSH
T12EF27D13B9D2C477C5D381710476EB7ABB7F27A106716983AF249E5A1D322A1C83F386
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2960-0-0x0000000000400000-0x0000000000487000-memory.dmp

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memory/2960-9-0x0000000000400000-0x0000000000487000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads