Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
19/08/2026, 15:48
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe
- Size 395KB
- Sample260819-s85syszvbx
- SHA256 c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a
- MD5 dc6adce422e54da70fcc72dd6d4ee637
- SHA1 0341214d33ef3844a4aee86d2c9a4fd49a9bf6ef
- SHA512 cecd25092bb86249e78497d783142fd94295d6da6b6e09423d3440c9954680b3a755c7ba8bf463de02bdf49145fbd72f028e7e1645be87eba8eb2d0699b8dfaf
- SSDEEP 6144:hcbcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOa:hCSvO2x9mONvKRILSFnOkx2LIa
- TLSH T13F846D2AB6A0D076C4B79579C4A247BAFBB1742137204ACFA390475A1F637E2BD3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5116 b4a0802c - 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 3 114.114.114.114 3824 c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe Destination IP 4 223.5.5.5 3824 c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe Destination IP 38 114.114.114.114 3824 c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe Destination IP 39 223.5.5.5 3824 c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b4a0802c File created C:\Windows\SysWOW64\b4a0802c c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b4a0802c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b4a0802c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C b4a0802c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b4a0802c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b4a0802c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b4a0802c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b4a0802c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b4a0802c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b4a0802c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b4a0802c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C b4a0802c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b4a0802c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b4a0802c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b4a0802c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b4a0802c - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\579678 b4a0802c File opened for modification C:\Windows\4177e0 c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.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 c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b4a0802c - 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\Content\CachePrefix b4a0802c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b4a0802c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b4a0802c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b4a0802c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b4a0802c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b4a0802c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b4a0802c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b4a0802c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b4a0802c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5116 b4a0802c 5116 b4a0802c 5116 b4a0802c 5116 b4a0802c 5116 b4a0802c 5116 b4a0802c 5116 b4a0802c 5116 b4a0802c 3824 c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe 3824 c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe 3824 c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe 3824 c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe 3824 c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe 3824 c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3824 c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe Token: SeTcbPrivilege 3824 c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe Token: SeDebugPrivilege 5116 b4a0802c Token: SeTcbPrivilege 5116 b4a0802c
Processes
-
C:\Users\Admin\AppData\Local\Temp\c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.exe"C:\Users\Admin\AppData\Local\Temp\c7f87b72d8cffb4e5b777c2c76ecaa4377266d5b7d7569fdbcfb68f33bc9fd7a.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:3824
-
C:\Windows\Syswow64\b4a0802cC:\Windows\Syswow64\b4a0802c1⤵
- 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:5116
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b4a0802c
- Size 395KB
- SHA256 7d9e9f746a61635a1d748e93c3db627387caa70e688d7461ce15902b9b70d84f
- MD5 0db32429508e45a1aa95d596be8582c5
- SHA1 19392e3bf71a25b96c2ab6e954676be316d5f35f
- SHA512 d78b56a5454543d73eb771403d452cde73ee39d8b1462cc5cb27ddd224dc7f1860e5710a1603d0a403a24e809a4d1ee39956b61c1058ab282d53ab779b28cd1f
- SSDEEP 6144:gcbcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOa:gCSvO2x9mONvKRILSFnOkx2LIa
- TLSH T1F7846D2AB6A0D076C4B79579C4A247BAFBB1742137204ACFA390475A1F637E2BD3530D
- MD5 SHA1 SHA512 SSDEEP TLSH