ef87ae80d553c2c3376c800f42a76a25807bfaebce0328df6009ff76b015f5ac

Analysis

max time kernel
105s
max time network
109s
platform
windows11-21h2_x64
resource
win11-20250619-en
resource tags

arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
submitted
01/07/2025, 02:20

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General

Target
P-INVOICE.exe
Size 1.2MB
Sample250701-csk6ls1nt8
SHA256 ef87ae80d553c2c3376c800f42a76a25807bfaebce0328df6009ff76b015f5ac
MD5 85485ea412162921d9c3128673b318e9
SHA1 42129d58a5a835627a2395ff816889203c128981
SHA512 da6b530106c372b8faa4dd92a72a209767cb5f90c4d506f31d207baa0eec19f26e26bf5e507ab7dde95754b095c9da67ab1081a1ff6c202f0b529fd54cfff1cf
SSDEEP 24576:w5EmXFtKaL4/oFe5T9yyXYfP1ijXdaI4ZIOzPQ6/itaODwqKp5:wPVt/LZeJbInQRaIoHQ1taODwq
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vehiculate.vbs	vehiculate.exe

Executes dropped EXE 1 IoCs

pid	Process
6136	vehiculate.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x001900000002b227-11.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 6136 set thread context of 3272	6136	vehiculate.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4328	6136	WerFault.exe	83

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	P-INVOICE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vehiculate.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
3272	svchost.exe
3272	svchost.exe
3272	svchost.exe
3272	svchost.exe
3272	svchost.exe
3272	svchost.exe
3272	svchost.exe
3272	svchost.exe
3272	svchost.exe
3272	svchost.exe
3272	svchost.exe
3272	svchost.exe
3272	svchost.exe
3272	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
6136	vehiculate.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 5708 wrote to memory of 6136	5708	P-INVOICE.exe	83
PID 5708 wrote to memory of 6136	5708	P-INVOICE.exe	83
PID 5708 wrote to memory of 6136	5708	P-INVOICE.exe	83
PID 6136 wrote to memory of 3272	6136	vehiculate.exe	85
PID 6136 wrote to memory of 3272	6136	vehiculate.exe	85
PID 6136 wrote to memory of 3272	6136	vehiculate.exe	85
PID 6136 wrote to memory of 3272	6136	vehiculate.exe	85

C:\Users\Admin\AppData\Local\Temp\P-INVOICE.exe
"C:\Users\Admin\AppData\Local\Temp\P-INVOICE.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5708
- C:\Users\Admin\AppData\Local\translucently\vehiculate.exe
  "C:\Users\Admin\AppData\Local\Temp\P-INVOICE.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:6136
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\P-INVOICE.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:3272
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 6136 -s 748
    3⤵
    - Program crash
    PID:4328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 6136 -ip 6136
1⤵
PID:5092

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

aut8146.tmp

Path C:\Users\Admin\AppData\Local\Temp\aut8146.tmp
Size 288KB
SHA256 b44b3ad7d2d405d74b570be466cb6b21c4af1d5a7aae823f27f7eb016cd9f831
MD5 015221eb5f5126e001bc07ff351cf9ba
SHA1 f9e36afa620b811ca1a48e174306ffc09fafc2b8
SHA512 7fb19b436128efadc028cc5eec230032056f626f16032c90a3eadc7e12bf004b5c9605ad5012230787fddc268633c3cb4081ca8823dd8317356427f3060adadf
SSDEEP 6144:P6V7w+0/G3cC6Z5caKjxHFJ8YD/Aw7oHLgA3mP8mHrTQVfon:CO+HMCwOHFJ8g/D7oHkK3KQ9U
MD5 SHA1 SHA512 SSDEEP

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vehiculate.exe

Path C:\Users\Admin\AppData\Local\translucently\vehiculate.exe
Size 1.2MB
SHA256 ef87ae80d553c2c3376c800f42a76a25807bfaebce0328df6009ff76b015f5ac
MD5 85485ea412162921d9c3128673b318e9
SHA1 42129d58a5a835627a2395ff816889203c128981
SHA512 da6b530106c372b8faa4dd92a72a209767cb5f90c4d506f31d207baa0eec19f26e26bf5e507ab7dde95754b095c9da67ab1081a1ff6c202f0b529fd54cfff1cf
SSDEEP 24576:w5EmXFtKaL4/oFe5T9yyXYfP1ijXdaI4ZIOzPQ6/itaODwqKp5:wPVt/LZeJbInQRaIoHQ1taODwq
MD5 SHA1 SHA512 SSDEEP

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memory/3272-24-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/3272-25-0x0000000001900000-0x0000000001C56000-memory.dmp

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memory/3272-26-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/3272-27-0x0000000000400000-0x0000000000448000-memory.dmp

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memory/5708-8-0x0000000000F90000-0x0000000001390000-memory.dmp

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memory/6136-22-0x0000000001790000-0x0000000001B90000-memory.dmp

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