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
08/05/2026, 21:49
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe
Resource
win11-20260130-en
windows11-21h2-x64
9 signatures
150 seconds
General
- Target c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe
- Size 615KB
- Sample260508-1pr2raex7x
- SHA256 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e
- MD5 70e4cc210aa89f0b672087daea20ed40
- SHA1 ad7849bfda48ebcc98907dba560431a6889843cf
- SHA512 45d3730f74a74955c07f997f2f3f944dbb5ea7338ab065d77aef0e5b191c00488de94f1c6d7e186b7fbb59a0f3fea0b15b16fd3a4f3fe38c3f52d27b0fba3491
- SSDEEP 12288:ySvO2x9mONvKRILSFnOkx2LIax5FAQjU/Liw:ZvO2xJKRI2FOkx2LFicUV
- TLSH T187D44A31E241C03AD4A74576C6FA0BAFE5647D25531165CBA3C43A2A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4936 1b1e2961 - Unexpected DNS network traffic destination 4 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 1 114.114.114.114 5108 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe Destination IP 2 223.5.5.5 5108 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe Destination IP 7 114.114.114.114 5108 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe Destination IP 8 223.5.5.5 5108 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1b1e2961 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1b1e2961 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 1b1e2961 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1b1e2961 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 1b1e2961 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1b1e2961 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1b1e2961 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1b1e2961 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1b1e2961 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1b1e2961 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 1b1e2961 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 1b1e2961 File created C:\Windows\SysWOW64\1b1e2961 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1b1e2961 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1b1e2961 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\548190 1b1e2961 File opened for modification C:\Windows\577368 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.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 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1b1e2961 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1b1e2961 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1b1e2961 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1b1e2961 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1b1e2961 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1b1e2961 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1b1e2961 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1b1e2961 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1b1e2961 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1b1e2961 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 1b1e2961 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 1b1e2961 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4936 1b1e2961 4936 1b1e2961 4936 1b1e2961 4936 1b1e2961 4936 1b1e2961 4936 1b1e2961 4936 1b1e2961 4936 1b1e2961 5108 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe 5108 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe 5108 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe 5108 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe 5108 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe 5108 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5108 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe Token: SeTcbPrivilege 5108 c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe Token: SeDebugPrivilege 4936 1b1e2961 Token: SeTcbPrivilege 4936 1b1e2961
Processes
-
C:\Users\Admin\AppData\Local\Temp\c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.exe"C:\Users\Admin\AppData\Local\Temp\c3aa2bf8f969445b0d0ff04f59fa2508847953cc5aac0f39bdd05b1c27c1fe3e.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:5108
-
C:\Windows\Syswow64\1b1e2961C:\Windows\Syswow64\1b1e29611⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4936
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1b1e2961
- Size 615KB
- SHA256 eebcf988659f0743d4eeeae003390462dc95638ee9668f9047bcc8bc371e8cf0
- MD5 a5c4fa51fbc099b2588e6274a92f1612
- SHA1 97762a3cb30397ea718a30e2174d09a85227bc41
- SHA512 d55bc503a6946ec078c22f1ec3ccc6066f54216d4c93125cca271fdb5c7bf8383af2ef925046fd843b29fb7758b713d26df74374f0052cf78abd35433b39cb71
- SSDEEP 12288:MSvO2x9mONvKRILSFnOkx2LIax5FAQjU/Liw:/vO2xJKRI2FOkx2LFicUV
- TLSH T131D44A31E241C03AD4A74576C6FA0BAFE5647D25531165CBA3C43A2A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH