Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
16/08/2026, 16:48
Behavioral task
behavioral1
Sample
0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe
Resource
win11ltsc2024-20260710-en
General
- Target 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe
- Size 45KB
- Sample260816-vbftnsen5v
- SHA256 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa
- MD5 b3c729bc9879997fb6979fa504ad6b71
- SHA1 b6e3a7fbd1c768034f2c60d65f7510f9d9a0cd13
- SHA512 36cf0bf8e5f47e85b59951e22031524fd10d92032ca940464b301792c74d4e61680912ebf4a8e214b13e5b8f23ef6a7ff7f600c3c760a823faad2c9f45e5eac0
- SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlzfBohEa+PIvBjbagX3i9tHgadDX0yiBDZMx:wuDWZTpMZSB2S4EaHvRbNXS9Vp5cdMx
- TLSH T18F233B003BE8822BF2BE4F789DF26145897AF6733603D64A1CC451975713FC69A426FA
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
asyncrat
-
0.5.8
-
Default
-
zorvec.name:80
-
zorvec.name:22
-
zorvec.name:8080
-
zorvec.name:8880
-
zorvec.name:2052
-
zorvec.name:2082
-
zorvec.name:2086
-
zorvec.name:2095
-
zorvec.name:443
-
zorvec.name:2053
-
zorvec.name:2083
-
zorvec.name:2087
-
zorvec.name:2096
-
zorvec.name:8443
-
www.zorvec.name:80
-
www.zorvec.name:22
-
www.zorvec.name:8080
-
www.zorvec.name:8880
-
www.zorvec.name:2052
-
www.zorvec.name:2082
-
www.zorvec.name:2086
-
www.zorvec.name:2095
-
www.zorvec.name:443
-
www.zorvec.name:2053
-
www.zorvec.name:2083
-
www.zorvec.name:2087
-
www.zorvec.name:2096
-
www.zorvec.name:8443
-
client.zorvec.name:80
-
client.zorvec.name:22
-
client.zorvec.name:8080
-
client.zorvec.name:8880
-
client.zorvec.name:2052
-
client.zorvec.name:2082
-
client.zorvec.name:2086
-
client.zorvec.name:2095
-
client.zorvec.name:443
-
client.zorvec.name:2053
-
client.zorvec.name:2083
-
client.zorvec.name:2087
-
client.zorvec.name:2096
-
client.zorvec.name:8443
-
gootloader.zorvec.name:80
-
gootloader.zorvec.name:22
-
gootloader.zorvec.name:8080
-
gootloader.zorvec.name:8880
-
gootloader.zorvec.name:2052
-
gootloader.zorvec.name:2082
-
gootloader.zorvec.name:2086
-
gootloader.zorvec.name:2095
-
gootloader.zorvec.name:443
-
gootloader.zorvec.name:2053
-
gootloader.zorvec.name:2083
-
gootloader.zorvec.name:2087
-
gootloader.zorvec.name:2096
-
gootloader.zorvec.name:8443
-
ye0kBv585Zzc
-
delay
0
-
install
true
-
install_file
b7u48.exe
-
install_folder
%AppData%
Signatures
- Async RAT payload 2 IoCs
resource yara_rule behavioral1/files/0x001400000002433a-8.dat family_asyncrat behavioral1/memory/4380-10-0x00000000054C0000-0x00000000054D0000-memory.dmp family_asyncrat - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe - Executes dropped EXE 2 IoCs
pid Process 4380 b7u48.exe 2504 b7u48.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4300 cmd.exe 5004 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 7 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b7u48.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b7u48.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe - Delays execution with timeout.exe 1 IoCs
pid Process 4788 timeout.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1340 schtasks.exe - Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe Token: SeDebugPrivilege 4380 b7u48.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4948 wrote to memory of 4300 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 84 PID 4948 wrote to memory of 5004 4948 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe 86 PID 5004 wrote to memory of 4788 5004 cmd.exe 88 PID 4300 wrote to memory of 1340 4300 cmd.exe 89 PID 5004 wrote to memory of 2504 5004 cmd.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe"C:\Users\Admin\AppData\Local\Temp\0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4948 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "b7u48" /tr '"C:\Users\Admin\AppData\Roaming\b7u48.exe"' & exit2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4300 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "b7u48" /tr '"C:\Users\Admin\AppData\Roaming\b7u48.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1340
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp266F.tmp.bat""2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5004 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:4788
-
-
C:\Users\Admin\AppData\Roaming\b7u48.exe"C:\Users\Admin\AppData\Roaming\b7u48.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2504
-
-
-
C:\Users\Admin\AppData\Roaming\b7u48.exe"C:\Users\Admin\AppData\Roaming\b7u48.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4380
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp266F.tmp.bat
- Size 149B
- SHA256 bef39fedfd183a61076e02b89a8d24726231479444ced5b1bd86787c101d34d2
- MD5 1cab528fb62ed982a151398dc0631203
- SHA1 8fcb5af5ccb35d6b3974ee9f7836cfe8557bb9a3
- SHA512 f32eeda5e40eb579b8dd7680b8570e05d88f972140ae53f1708a13589d82cc0341cc64ed6bdbc5d601333d5120e61bb835e1e7b9cd6862566ddf23a4d90c2b0f
- TLSH T100C08C42A5C6EA6E2C09141302BBD88CA172E9193E80AB008704442E1280888F099681
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\b7u48.exe
- Size 45KB
- SHA256 0c2960612cfc8bfb0b60cc021f36d7a3e1becd6c01216f173bd2f979f64075fa
- MD5 b3c729bc9879997fb6979fa504ad6b71
- SHA1 b6e3a7fbd1c768034f2c60d65f7510f9d9a0cd13
- SHA512 36cf0bf8e5f47e85b59951e22031524fd10d92032ca940464b301792c74d4e61680912ebf4a8e214b13e5b8f23ef6a7ff7f600c3c760a823faad2c9f45e5eac0
- SSDEEP 768:wuDWZTpw7bmaWUg3gSk0mo2qlzfBohEa+PIvBjbagX3i9tHgadDX0yiBDZMx:wuDWZTpMZSB2S4EaHvRbNXS9Vp5cdMx
- TLSH T18F233B003BE8822BF2BE4F789DF26145897AF6733603D64A1CC451975713FC69A426FA
- MD5 SHA1 SHA512 SSDEEP TLSH