Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/05/2026, 11:40
Behavioral task
behavioral1
Sample
tmp40hvmvte.exe
Resource
win10ltsc2021-20260513-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmp40hvmvte.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target tmp40hvmvte.exe
- Size 89KB
- Sample260522-ns6m4act8x
- SHA256 d812b7b575181b189d17a038870222bdf3ef2b4706d3087487a5454783165f73
- MD5 f79f9ca6f4ef2d33a2bf7d3813a01ac6
- SHA1 7d0fbd6e3cfe8d30c426afb120872584c270bf91
- SHA512 bd6bd121837d75e35fca235dcd0c2a82a119252070342667af4e316a483db0a0f0ac331f629fa9ffc6e2ba69dd5b9f07e99e2e8c771132cd3a9d5d4b6a5d731f
- SSDEEP 1536:B1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7u:L+4MJIkLZJNAQ9Jo9u
- TLSH T1EC932922B3A5901FF0B3BEB92E3485250D27B9745C34D69A76C84E4E4A73DC39D21B23
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5088 bin.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EE349A77 = "C:\\Users\\Admin\\AppData\\Roaming\\EE349A77\\bin.exe" winver.exe -
resource yara_rule behavioral2/memory/4528-0-0x0000000000400000-0x0000000000418000-memory.dmp upx behavioral2/files/0x0007000000024689-20.dat upx behavioral2/memory/5088-23-0x0000000000400000-0x0000000000418000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 440 4548 WerFault.exe 90 - 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 tmp40hvmvte.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bin.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4548 winver.exe 4548 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3288 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3288 Explorer.EXE Token: SeCreatePagefilePrivilege 3288 Explorer.EXE Token: SeShutdownPrivilege 3288 Explorer.EXE Token: SeCreatePagefilePrivilege 3288 Explorer.EXE Token: SeShutdownPrivilege 3288 Explorer.EXE Token: SeCreatePagefilePrivilege 3288 Explorer.EXE Token: SeShutdownPrivilege 3288 Explorer.EXE Token: SeCreatePagefilePrivilege 3288 Explorer.EXE Token: SeShutdownPrivilege 3288 Explorer.EXE Token: SeCreatePagefilePrivilege 3288 Explorer.EXE Token: SeShutdownPrivilege 3288 Explorer.EXE Token: SeCreatePagefilePrivilege 3288 Explorer.EXE - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4548 winver.exe - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3288 Explorer.EXE - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4528 wrote to memory of 4548 4528 tmp40hvmvte.exe 90 PID 4548 wrote to memory of 3288 4548 winver.exe 55 PID 3288 wrote to memory of 3828 3288 Explorer.EXE PID 3288 wrote to memory of 3828 3288 Explorer.EXE PID 3828 wrote to memory of 5088 3828 Process not Found 93 PID 3828 wrote to memory of 5088 3828 Process not Found 93 PID 4548 wrote to memory of 2684 4548 winver.exe 45
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:2684
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3288 -
C:\Users\Admin\AppData\Local\Temp\tmp40hvmvte.exe"C:\Users\Admin\AppData\Local\Temp\tmp40hvmvte.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Windows\SysWOW64\winver.exewinver3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4548 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 3524⤵
- Program crash
PID:440
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C:\Users\Admin\AppData\Roaming\EE349A77\bin.exeC:\Users\Admin\AppData\Roaming\EE349A77\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5088
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4548 -ip 45481⤵PID:2764
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\EE349A77\bin.exe
- Size 89KB
- SHA256 bcf2e4c151262006905e4747db61448c3c3040f3d633375c1de571a9348a8799
- MD5 9eb9947c6d711b745baa2424110d4d97
- SHA1 46ae3abfb9b56ab92f06daf96e483f998a5f7574
- SHA512 718eeb97948f67a0adc795768e403f1dbe3682b57ef001e85a73b7080c0a4ffb76b2a3188b371b11d26642897cce7cfcdc7fedfab5486d6a92daf5928900ba70
- SSDEEP 1536:e1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7u:e+4MJIkLZJNAQ9Jo9u
- TLSH T156932922B3A5901FF0B3BEB92E3485250D27B9755C34D69A76C84E4E4A73DC39D21B23
- MD5 SHA1 SHA512 SSDEEP TLSH