Analysis
- max time kernel
150s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 04:57
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-07-30_c8c989e91be07e0ad2dde90d809ec830_bkransomware_elex_maze_remcos.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-30_c8c989e91be07e0ad2dde90d809ec830_bkransomware_elex_maze_remcos.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
5 signatures
150 seconds
General
- Target 2026-07-30_c8c989e91be07e0ad2dde90d809ec830_bkransomware_elex_maze_remcos.exe
- Size 568KB
- Sample260730-flhzfsca76
- SHA256 71d691fd7b3259935ef7940c8d9865b5c0297c5f5f167b5689894310ec4f3666
- MD5 c8c989e91be07e0ad2dde90d809ec830
- SHA1 e22e39af062ffeb7df8a893faab66664727dc7c9
- SHA512 f0bf7f7bdc97291fc5b46868e4314fbe7e3f5534c307e508a5ac0a6893e893e6f34d9279d3efd508324da389ac50a2c5e72ceb246f05c76ecd37158fd6557094
- SSDEEP 6144:NvxgGOjlopc42XqmBMw/boyLEqkc0ccX4vV4Tr2KJSH4p/1FKzKfuv7A3JgxCPiz:NZpOCbwxh0ccIvuTh7zFKwkAZgxCa
- TLSH T107C48D217583A2A3D8B208B3416DE53A1625BD721F2D8BD3EBDB0E0A59F75D09733253
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 4 IoCs
pid Process 1056 bsk3zbyccr98qw8tgd.exe 4624 wcmcexduroa.exe 4936 ejltqlrzo.exe 3276 wcmcexduroa.exe - Drops file in Windows directory 5 IoCs
description ioc Process File created C:\Windows\zpbgcpynd\cojmseka wcmcexduroa.exe File created C:\Windows\zpbgcpynd\cojmseka 2026-07-30_c8c989e91be07e0ad2dde90d809ec830_bkransomware_elex_maze_remcos.exe File created C:\Windows\zpbgcpynd\cojmseka bsk3zbyccr98qw8tgd.exe File created C:\Windows\zpbgcpynd\cojmseka wcmcexduroa.exe File created C:\Windows\zpbgcpynd\cojmseka ejltqlrzo.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-30_c8c989e91be07e0ad2dde90d809ec830_bkransomware_elex_maze_remcos.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bsk3zbyccr98qw8tgd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wcmcexduroa.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4624 wcmcexduroa.exe 4624 wcmcexduroa.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe 4936 ejltqlrzo.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 6076 wrote to memory of 1056 6076 2026-07-30_c8c989e91be07e0ad2dde90d809ec830_bkransomware_elex_maze_remcos.exe 89 PID 4624 wrote to memory of 4936 4624 wcmcexduroa.exe 92 PID 1056 wrote to memory of 3276 1056 bsk3zbyccr98qw8tgd.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-30_c8c989e91be07e0ad2dde90d809ec830_bkransomware_elex_maze_remcos.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-30_c8c989e91be07e0ad2dde90d809ec830_bkransomware_elex_maze_remcos.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6076 -
C:\zpbgcpynd\bsk3zbyccr98qw8tgd.exe"C:\zpbgcpynd\bsk3zbyccr98qw8tgd.exe"2⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1056 -
C:\zpbgcpynd\wcmcexduroa.exe"C:\zpbgcpynd\wcmcexduroa.exe"3⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:3276
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-
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C:\zpbgcpynd\wcmcexduroa.exeC:\zpbgcpynd\wcmcexduroa.exe1⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4624 -
C:\zpbgcpynd\ejltqlrzo.exesxmhmzjydzxn "c:\zpbgcpynd\wcmcexduroa.exe"2⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:4936
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\zpbgcpynd\bsk3zbyccr98qw8tgd.exe
- Size 568KB
- SHA256 71d691fd7b3259935ef7940c8d9865b5c0297c5f5f167b5689894310ec4f3666
- MD5 c8c989e91be07e0ad2dde90d809ec830
- SHA1 e22e39af062ffeb7df8a893faab66664727dc7c9
- SHA512 f0bf7f7bdc97291fc5b46868e4314fbe7e3f5534c307e508a5ac0a6893e893e6f34d9279d3efd508324da389ac50a2c5e72ceb246f05c76ecd37158fd6557094
- SSDEEP 6144:NvxgGOjlopc42XqmBMw/boyLEqkc0ccX4vV4Tr2KJSH4p/1FKzKfuv7A3JgxCPiz:NZpOCbwxh0ccIvuTh7zFKwkAZgxCa
- TLSH T107C48D217583A2A3D8B208B3416DE53A1625BD721F2D8BD3EBDB0E0A59F75D09733253
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\zpbgcpynd\cojmseka
- Size 12B
- SHA256 9723966bef813071e2012e6c6d8a47018f03d73bc6f3ff346fb5004b2ea667d1
- MD5 e7504a3ae7340b611fd1fe3d301d2119
- SHA1 15dd2b599924829529f1fe6d3a129467afbb5808
- SHA512 f511671f763543b09e4dc45085cf428b9125c16010e3655677a1296520ad850aa4ea38679813531f303aef68e33849db97ba59bb679e521dfe6d9c2088741731
- MD5 SHA1 SHA512