Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
07/05/2026, 09:09
Behavioral task
behavioral1
Sample
51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe
- Size 384KB
- Sample260507-k4vheses8m
- SHA256 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d
- MD5 dea31f09073e860fa3376a4f46197b4a
- SHA1 a8be60226d5d1dfddb7f04cfc0e0cf7626a0eb5d
- SHA512 eb2ba4f40e51c946ee200359dcc7962a37bcd78e47a95eb0fbb386616097401b4179b02fa154d6ccc50035990be4a8835bf724d43112816844dfe81d46d44b25
- SSDEEP 6144:Nl51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOan5R2:LqXUHkUXe39sOkx2LIan5g
- TLSH T175849D22F3518036C1978672C7B70F9AF7A5BD18831253CB5340B56A2FB32D2AE35719
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5060 bfa6968 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 2 223.5.5.5 3168 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe Destination IP 8 114.114.114.114 3168 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe Destination IP 9 223.5.5.5 3168 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe Destination IP 48 114.114.114.114 3168 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe Destination IP 49 223.5.5.5 3168 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe Destination IP 1 114.114.114.114 3168 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\bfa6968 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache bfa6968 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData bfa6968 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content bfa6968 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bfa6968 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 bfa6968 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE bfa6968 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies bfa6968 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 bfa6968 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 bfa6968 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft bfa6968 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 bfa6968 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bfa6968 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 bfa6968 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 bfa6968 -
resource yara_rule behavioral2/memory/3168-0-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/files/0x002b00000002b2e2-2.dat upx behavioral2/memory/5060-4-0x00000000000E0000-0x0000000000169000-memory.dmp upx behavioral2/memory/3168-10-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/memory/5060-12-0x00000000000E0000-0x0000000000169000-memory.dmp upx behavioral2/memory/3168-26-0x0000000000C80000-0x0000000000D09000-memory.dmp upx behavioral2/memory/5060-28-0x00000000000E0000-0x0000000000169000-memory.dmp upx behavioral2/memory/3168-52-0x0000000000C80000-0x0000000000D09000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\56a108 bfa6968 File opened for modification C:\Windows\363cc0 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bfa6968 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" bfa6968 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" bfa6968 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" bfa6968 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" bfa6968 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix bfa6968 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ bfa6968 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" bfa6968 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" bfa6968 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing bfa6968 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5060 bfa6968 5060 bfa6968 5060 bfa6968 5060 bfa6968 5060 bfa6968 5060 bfa6968 5060 bfa6968 5060 bfa6968 3168 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe 3168 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe 3168 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe 3168 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe 3168 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe 3168 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3168 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe Token: SeTcbPrivilege 3168 51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe Token: SeDebugPrivilege 5060 bfa6968 Token: SeTcbPrivilege 5060 bfa6968
Processes
-
C:\Users\Admin\AppData\Local\Temp\51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe"C:\Users\Admin\AppData\Local\Temp\51ce02b4fc57e4ad70b5480c186096c795f504aa256a236b1649a09b4cf81f5d.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3168
-
C:\Windows\Syswow64\bfa6968C:\Windows\Syswow64\bfa69681⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5060
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\bfa6968
- Size 384KB
- SHA256 213a7839d14a8f4e8276474a3d2d3726e5e89ac09ff53b4a73942a93deb28cde
- MD5 ee079103590f227ec7cc56d7445febe8
- SHA1 6b43c58f3b6e8060bd0593b5aeaa48c0d5f25b5f
- SHA512 d381a8c6771f87dc78390696f9572cb30df1fc6b8e37faaf37ecd03e925ede21644f85b51e68d603d9ec6a7cf30e149780e51971bfc16c8db78bd007fa1bfe92
- SSDEEP 6144:Zl51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOan5R2:nqXUHkUXe39sOkx2LIan5g
- TLSH T1A1849D22F3518036C1978672C7B70F9AF7A5BD18831253CB5340B56A2FB32D2AE35719
- MD5 SHA1 SHA512 SSDEEP TLSH