Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/08/2026, 00:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
BPFA.exe
Resource
win10v2004-20260513-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
BPFA.exe
Resource
win11ltsc2024-20260709-en
12 signatures
150 seconds
General
- Target BPFA.exe
- Size 2.4MB
- Sample260801-agajmatvay
- SHA256 4f5aa071b2a076aa3cdff8c39900e4e30d9ae268592e1f0da0b3b45960f59e82
- MD5 365bf9812eba8d96ae4638ad64ec012a
- SHA1 75dc6415bdc2a3f1414eb0acecd93884f22d6f94
- SHA512 6ea7df3aec40915b71c2d841aad4d6d9806cdeca2a776cf78b64b215dfbb880a0ca2fff7635893b127af6a56ab88698faedc57430220c04e94666dbd0d749b60
- SSDEEP 49152:KYsjqFhUmKSbmPAmppd4fnz+Crjj6Pxpdna7+1yPw5pOSTgaYsj:ujqF+7vPvd4fniCYxpda7syPCOSMej
- TLSH T145B512C1EA8061B5DC3DC073F1875DB2191B1E390A529CF2129AFB1B36535A70A7F62B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Disables Task Manager via registry modification
- Executes dropped EXE 2 IoCs
pid Process 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\RuntimeBrokerr = "C:\\Windows\\Runtimе Вrоkеr.exe" BPFA.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\СОМSurrоgаtе = "C:\\Windows\\Help\\СОМ Surrоgаtе.exe" BPFA.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wallpaper.jpg" BPFA.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Runtimе Вrоkеr.exe BPFA.exe File created C:\Windows\Help\СОМ Surrоgаtе.exe BPFA.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 BPFA.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Runtimе Вrоkеr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language СОМ Surrоgаtе.exe - Modifies Control Panel 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Control Panel\Desktop\WallpaperStyle = "2" BPFA.exe Set value (str) \REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Control Panel\Desktop\TileWallpaper = "0" BPFA.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe 2140 Runtimе Вrоkеr.exe 2140 Runtimе Вrоkеr.exe 3356 СОМ Surrоgаtе.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2140 Runtimе Вrоkеr.exe Token: SeDebugPrivilege 3356 СОМ Surrоgаtе.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2128 wrote to memory of 2140 2128 BPFA.exe 89 PID 2140 wrote to memory of 3356 2140 Runtimе Вrоkеr.exe 92 - System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\LegalNoticeCaption = "Welcome back!" BPFA.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\LegalNoticeText = "Anuta is glad to see you~" BPFA.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\BPFA.exe"C:\Users\Admin\AppData\Local\Temp\BPFA.exe"1⤵
- Adds Run key to start application
- Sets desktop wallpaper using registry
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2128 -
C:\Windows\Runtimе Вrоkеr.exe"C:\Windows\Runtimе Вrоkеr.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Windows\Help\СОМ Surrоgаtе.exe"C:\Windows\Help\СОМ Surrоgаtе.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3356
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\Help\СОМ Surrоgаtе.exe
- Size 5KB
- SHA256 47da7c777d430dae5b432ce44b8b74baf28b108a0fb54a67d46cdb8f2fee3b80
- MD5 4d86884d80ddc9183f9d1c23d5137f8f
- SHA1 e4730c7620482d8f524984711a859faad814d84d
- SHA512 8560d19bc9e66d9e4ca69ea8bbcf9fd2d74a35b4ee9dedc6efabfba8b2c5ec14fdf27c8b3d63e38ecf61acca920eeba7ad3a5912fa13888d558c12bafdc620f5
- SSDEEP 48:6MMFKKLa88X/ceX/aLDrkyMPVNMsVhHvxA1wcXgYG+HbmWi1trVlvpUgBFypfbNM:a1LAcaQrCZHvlcX9tHELUJzNt
- TLSH T1CDC1C60597E84736EE7A8B32ADE343809274F7269C7BCBBD24C9571B2E236100462B74
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Runtimе Вrоkеr.exe
- Size 11KB
- SHA256 1f2799513cfa5dda44c3f2db047fc399b4d00f1fec404a9e850a353a08e4f183
- MD5 9946cb9d8cea1a89f95d4af8d7721267
- SHA1 62d5baa2505944c2b8fc8ab3792c5a4f7dffe500
- SHA512 e9f384c04976ee9ad3e1ebb97fce842a7e282aed74b7a12ec7f2ccb3a1d07fcbd3c9553c157453667a981ec85e2f79df589c570c3ace898e464fcdbd36697cd4
- SSDEEP 192:uN1qtP89l50bHyx90xImkRbvD2U2RxTX0vBlrHSm46RKL4fJ:RP8P57x9+ImkRbvD2DR9X05lrHSm464s
- TLSH T1D6322A51A39C8276C9B60B3249B353405338F75AD572CB2E6D89211FAFB22124A53FB0
- MD5 SHA1 SHA512 SSDEEP TLSH