89acd49143358ec339f4d3b779d9f8223fa39dc780bc72be1d1dc087da58148b

Analysis

max time kernel
148s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 08:12

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General

Target
2026-08-02_a4a1fb43fc467c89be94defbede7fedf_elex_nitol_remcos_wannacry.exe
Size 67KB
Sample260802-j37wpafe67
SHA256 89acd49143358ec339f4d3b779d9f8223fa39dc780bc72be1d1dc087da58148b
MD5 a4a1fb43fc467c89be94defbede7fedf
SHA1 99361ba5eacd955bbed68efd4ca5cb063c9130a2
SHA512 44619f7f42391b1bb14857f45bc51878b4ab4327cc796d570fde4ced11f8daf8ff83963e37dfe022ff39a467e8a81bfd90ed05edbe58dbb27d9e0a09c1de6d96
SSDEEP 1536:MDcfLfIb5Ep1uzgyXVdtnqHNWnnnvMMMMw:MD2LTnuzgyXVd1mYMMMMw
TLSH
T150633BA6F5808497E45701388842F7F2A9A2BC35C94EAA52FF80BF4F5C79E55FE20507
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Detects Windows executables referencing non-Windows User-Agents 1 IoCs

resource	yara_rule
behavioral2/files/0x000a00000001b315-1.dat	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1640	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
4668	wqahost.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\wqahost.exe	attrib.exe
File created	C:\Windows\Debug\wqahost.exe	2026-08-02_a4a1fb43fc467c89be94defbede7fedf_elex_nitol_remcos_wannacry.exe
File opened for modification	C:\Windows\Debug\wqahost.exe	2026-08-02_a4a1fb43fc467c89be94defbede7fedf_elex_nitol_remcos_wannacry.exe

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

System Information Discovery
T1082

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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-02_a4a1fb43fc467c89be94defbede7fedf_elex_nitol_remcos_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wqahost.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	wqahost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	wqahost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2544	2026-08-02_a4a1fb43fc467c89be94defbede7fedf_elex_nitol_remcos_wannacry.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 1640	2544	2026-08-02_a4a1fb43fc467c89be94defbede7fedf_elex_nitol_remcos_wannacry.exe	88
PID 2544 wrote to memory of 4404	2544	2026-08-02_a4a1fb43fc467c89be94defbede7fedf_elex_nitol_remcos_wannacry.exe	92

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1640	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-02_a4a1fb43fc467c89be94defbede7fedf_elex_nitol_remcos_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_a4a1fb43fc467c89be94defbede7fedf_elex_nitol_remcos_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Windows\SysWOW64\attrib.exe
  attrib +a +s +h +r C:\Windows\Debug\wqahost.exe
  2⤵
  - Sets file to hidden
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:1640
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4404

C:\Windows\Debug\wqahost.exe
C:\Windows\Debug\wqahost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:4668

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

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

wqahost.exe

Path C:\Windows\debug\wqahost.exe
Size 67KB
SHA256 84c491974727c17132f890f1238cecad7d5eae2e48a65481add246a45a6a9111
MD5 43f5b6f2486b6e9f2e4dae1c8a6c036f
SHA1 8db9780a0f5b286b3767762b233fb06cef3f5d89
SHA512 6fde3a0fd98dd6fa27f635e6c53098052b36215eafa5d38f52957da97ff01f3ab17b351c3c827dc6c350119163b4d57c9fba1b347b48930d952bb339da9557cf
SSDEEP 1536:MDcfLfIb5Ep1uzgyXVdtnqHNWnnnvMMMM0:MD2LTnuzgyXVd1mYMMMM0
TLSH
T1F6633BA6F5808497E45701388842F7F2A9A1BC35C94EAA52FF80BF4F5C79E55FE2050B
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