Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/06/2026, 01:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
tmptgo7tcm8.exe
Resource
win10ltsc2021-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmptgo7tcm8.exe
Resource
win10v2004-20260513-en
13 signatures
150 seconds
Behavioral task
behavioral3
Sample
tmptgo7tcm8.exe
Resource
win11-20260513-en
10 signatures
150 seconds
General
- Target tmptgo7tcm8.exe
- Size 88KB
- Sample260602-bvcftaaw5w
- SHA256 4efbfc26cce7a67ad5db74a6d1e1af7fe5ac81e6c78155e56a6396edea93d1ba
- MD5 f841c830b2f5626233cb6167e9f1639a
- SHA1 1e9d4c622f52d47d22cf3ef1ba096b40cf9c278a
- SHA512 004a08dbd467142af4464e080b214eedcdd3fe7ce9e05ec043741f523674a8da0b8ee95eeb9ec9798d141528bb681683008982d9a4a1763a24150e7e02f79b2d
- SSDEEP 1536:H5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:H5fvp12UFKcD/6jwqWsN
- TLSH T115932A71E205E48BD927D8F2991DCD3168923EBD99A0440E72E9BF6C58B37E21059F0F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1108 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\1CDFB9F2 = "C:\\Users\\Admin\\AppData\\Roaming\\1CDFB9F2\\bin.exe" winver.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3876 3496 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 bin.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmptgo7tcm8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winver.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Explorer.EXE Key created \REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Explorer.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3496 winver.exe 3496 winver.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3312 Explorer.EXE - Suspicious use of AdjustPrivilegeToken 18 IoCs
description pid Process Token: SeShutdownPrivilege 3312 Explorer.EXE Token: SeCreatePagefilePrivilege 3312 Explorer.EXE Token: SeShutdownPrivilege 3312 Explorer.EXE Token: SeCreatePagefilePrivilege 3312 Explorer.EXE Token: SeShutdownPrivilege 3312 Explorer.EXE Token: SeCreatePagefilePrivilege 3312 Explorer.EXE Token: SeShutdownPrivilege 3312 Explorer.EXE Token: SeCreatePagefilePrivilege 3312 Explorer.EXE Token: SeShutdownPrivilege 3312 Explorer.EXE Token: SeCreatePagefilePrivilege 3312 Explorer.EXE Token: SeShutdownPrivilege 3312 Explorer.EXE Token: SeCreatePagefilePrivilege 3312 Explorer.EXE Token: SeShutdownPrivilege 3312 Explorer.EXE Token: SeCreatePagefilePrivilege 3312 Explorer.EXE Token: SeShutdownPrivilege 3312 Explorer.EXE Token: SeCreatePagefilePrivilege 3312 Explorer.EXE Token: SeShutdownPrivilege 3312 Explorer.EXE Token: SeCreatePagefilePrivilege 3312 Explorer.EXE - Suspicious use of FindShellTrayWindow 6 IoCs
pid Process 3496 winver.exe 3312 Explorer.EXE 3312 Explorer.EXE 3312 Explorer.EXE 3312 Explorer.EXE 3312 Explorer.EXE - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3312 Explorer.EXE 3312 Explorer.EXE 3312 Explorer.EXE - Suspicious use of UnmapMainImage 1 IoCs
pid Process 3312 Explorer.EXE - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 4604 wrote to memory of 3496 4604 tmptgo7tcm8.exe 90 PID 3496 wrote to memory of 3312 3496 winver.exe 56 PID 3312 wrote to memory of 4896 3312 Explorer.EXE PID 3312 wrote to memory of 4896 3312 Explorer.EXE PID 4896 wrote to memory of 1108 4896 Process not Found 94 PID 4896 wrote to memory of 1108 4896 Process not Found 94 PID 3496 wrote to memory of 2584 3496 winver.exe 51
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:2584
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3312 -
C:\Users\Admin\AppData\Local\Temp\tmptgo7tcm8.exe"C:\Users\Admin\AppData\Local\Temp\tmptgo7tcm8.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4604 -
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:3496 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3496 -s 3524⤵
- Program crash
PID:3876
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C:\Users\Admin\AppData\Roaming\1CDFB9F2\bin.exeC:\Users\Admin\AppData\Roaming\1CDFB9F2\bin.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1108
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3496 -ip 34961⤵PID:4108
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\1CDFB9F2\bin.exe
- Size 88KB
- SHA256 b700ab4c58a59f4cbe7fe3e1951569075aa10aec9407594ea70b50379f119e63
- MD5 58a8a79edcc680539bbdf7e93301bd26
- SHA1 e188d547dfb2485cd72e17cd2066908bba87f8db
- SHA512 1030c7ed0d4e3a59bd8169d7a38ed8ee925d648464e284246d200c85530db9a32c13ab81d7b3b2f158a2c77c368fee915fde634c411a3e3ff34c656f97a8fec4
- SSDEEP 1536:p5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:p5fvp12UFKcD/6jwqWsN
- TLSH T1BC932A71E205E48BD927D8F2991DCD3168923EBD99A0440E72E9BF6C58B37E21059F0F
- MD5 SHA1 SHA512 SSDEEP TLSH