484464f8577732da9f3cc9dfe36df3061ca1ee00bbfb1eb0bc21f3b73e1997c4

Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
23/10/2026, 00:58

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General

Target
2026-10-22_fa9ba005957a1d6e8927d241b4b50db4_elex_remcos_wannacry.exe
Size 84KB
Sample261023-bbkcbagz41
SHA256 484464f8577732da9f3cc9dfe36df3061ca1ee00bbfb1eb0bc21f3b73e1997c4
MD5 fa9ba005957a1d6e8927d241b4b50db4
SHA1 0d9aba34965016d8e19b9687ab9e08c997ce3231
SHA512 33c62ae0a88c4eba88412351ac32548e3998d934e157a536a02e50f40628794f822cc82439c27edf7044501d7329950c4d5593fe8990c6ae1e7a81e4e2137539
SSDEEP 1536:6jE2Ra5/WtRMdFlayQcpqgDaWPnyS1loLjL:yR64RMdFlayQXW/8j
TLSH
T121835C03A580B5F1EB680135B19F1F7E5A3B86B1C0DC6C2F5B638DA55862C67F821E17
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

discovery execution

Malware Config

Signatures

Custom signature

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

resource	yara_rule
behavioral1/files/0x0007000000024437-2.dat	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Executes dropped EXE 1 IoCs

pid	Process
3816	g103D86B2gF9B6s401e1B1D66A2C7370DC302v.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\g103D86B2gF9B6s401e1B1D66A2C7370DC302v.exe	2026-10-22_fa9ba005957a1d6e8927d241b4b50db4_elex_remcos_wannacry.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
1852	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	2026-10-22_fa9ba005957a1d6e8927d241b4b50db4_elex_remcos_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	g103D86B2gF9B6s401e1B1D66A2C7370DC302v.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2852	2026-10-22_fa9ba005957a1d6e8927d241b4b50db4_elex_remcos_wannacry.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 3816	2852	2026-10-22_fa9ba005957a1d6e8927d241b4b50db4_elex_remcos_wannacry.exe	93
PID 2852 wrote to memory of 1852	2852	2026-10-22_fa9ba005957a1d6e8927d241b4b50db4_elex_remcos_wannacry.exe	94

C:\Users\Admin\AppData\Local\Temp\2026-10-22_fa9ba005957a1d6e8927d241b4b50db4_elex_remcos_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-22_fa9ba005957a1d6e8927d241b4b50db4_elex_remcos_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Windows\g103D86B2gF9B6s401e1B1D66A2C7370DC302v.exe
  C:\Windows\g103D86B2gF9B6s401e1B1D66A2C7370DC302v.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3816
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-1~1.EXE > nul
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:1852

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

g103D86B2gF9B6s401e1B1D66A2C7370DC302v.exe

Path C:\Windows\g103D86B2gF9B6s401e1B1D66A2C7370DC302v.exe
Size 84KB
SHA256 ffeffb96df6fa7b0a3777654120663cafd99b4ff3825d01448513f2d92e15c96
MD5 c971fb25dc6ed937ee81f010b90b4d0b
SHA1 aef99fbbc6547766850adfc47d3cb1dd73fb69ca
SHA512 c62b0dc4f85ac3f02960ac6b1c6e1e7ccdaa3d8ccafcb73fb128664621ebc7f3317a2ec035033c819042c396e735db5a02741c9554c30076a9c57c5bbe5986b3
SSDEEP 1536:6jE2Ra5/WtRWdFlayQcpqgDaWPnyS1loLjL:yR64RWdFlayQXW/8j
TLSH
T1C3835C03A580B5F1EB680135B19F1F7E5A3B86B1C0DC6C2F5B638DA558A2C67F821E17
MD5 SHA1 SHA512 SSDEEP TLSH

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