Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 01:07
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
9 signatures
150 seconds
General
- Target e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe
- Size 1.3MB
- Sample260802-bgzzys1tes
- SHA256 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92
- MD5 a627cb1f40fafb0e25643eec26280f48
- SHA1 9babf3dce204b7611a9e68a7ecff439d40493b66
- SHA512 e7cf51f603dddd24a7a96b03b1f076fd0dc549f2f1510e3525cd1bbe0971089ad9cc4b4bae32365855fb131a340b2dd2b6c31a19c3544e90b53327f43002ac5c
- SSDEEP 24576:lvO2xJKRI2FOkx2LFEvcU6UQOJdBqsCPhH9Do2sl:lHHKO29QG56/OJdJCXDrsl
- TLSH T1F8559E32A6808036E5B3467586FA57BAA5257C215321E1CF73C47A2E1FB37D3A93170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4064 bd1d1d1b - 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 10 114.114.114.114 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe Destination IP 11 223.5.5.5 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe Destination IP 1 114.114.114.114 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe Destination IP 4 223.5.5.5 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content bd1d1d1b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bd1d1d1b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bd1d1d1b File created C:\Windows\SysWOW64\bd1d1d1b e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 bd1d1d1b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies bd1d1d1b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 bd1d1d1b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache bd1d1d1b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bd1d1d1b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE bd1d1d1b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft bd1d1d1b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData bd1d1d1b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bd1d1d1b - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4593c0 bd1d1d1b File opened for modification C:\Windows\16f0f8 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.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 bd1d1d1b Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.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\Content\CachePrefix bd1d1d1b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" bd1d1d1b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ bd1d1d1b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" bd1d1d1b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" bd1d1d1b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" bd1d1d1b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" bd1d1d1b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" bd1d1d1b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing bd1d1d1b - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 5c0000000100000004000000800100000f0000000100000030000000f019c7ba12795dacd6ef1a767657deb8e41060a2ad1a6c66900a6ec16870fc06eecbaffdd3e2c986659578e7e85e535a530000000100000040000000303e301f06092b06010401a032010130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c00b000000010000003800000047006c006f00620061006c005300690067006e002000450043004300200052006f006f00740020004300410020002d002000520035000000090000000100000034000000303206082b0601050507030206082b0601050507030306082b0601050507030406082b0601050507030106082b06010505070308620000000100000020000000179fbc148a3dd00fd24ea13458cc43bfa7f59c8182d783a513f6ebec100c89241400000001000000140000003de629489bea07ca21444a26de6eded283d09f591d0000000100000010000000b647dd2a9ccadee75e8905e256cc6b147f000000010000000c000000300a06082b060105050703037e00000001000000080000000080c82b6886d7010300000001000000140000001f24c630cda418ef2069ffad4fdd5f463a1b69aa190000000100000010000000e3087c0c81f60a2a2b466b8a3e70cce82000000001000000220200003082021e308201a4a0030201020211605949e0262ebb55f90a778a71f94ad86c300a06082a8648ce3d040303305031243022060355040b131b476c6f62616c5369676e2045434320526f6f74204341202d20523531133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e301e170d3132313131333030303030305a170d3338303131393033313430375a305031243022060355040b131b476c6f62616c5369676e2045434320526f6f74204341202d20523531133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e3076301006072a8648ce3d020106052b810400220362000447450e96fb7d5dbfe939d121f89f0bb6d57b1e923a48591cf062312dc07a28fe1aa75cb3b6cc97e745d458fad1776d43a2c08765340a1f7addeb3c33a1c59d4da46f4195387fc91e84ebd19e49928794870c3a854a669f9d59934d976106864aa3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e041604143de629489bea07ca21444a26de6eded283d09f59300a06082a8648ce3d0403030368003065023100e56912c96edbc631ba0941e197f8fbfd9ae27d12c9ed7c64d3cb05258b56d9a0e75e5d4e0b839c5b7629a00926216a62023071d2b58f5cea3be1780985a875923bc85cfd48ef0d7422a808e26ec549cec70cbca76169f1f73be12acbf92bf3669037 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4064 bd1d1d1b 4064 bd1d1d1b 4064 bd1d1d1b 4064 bd1d1d1b 4064 bd1d1d1b 4064 bd1d1d1b 4064 bd1d1d1b 4064 bd1d1d1b 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe Token: SeTcbPrivilege 1340 e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe Token: SeDebugPrivilege 4064 bd1d1d1b Token: SeTcbPrivilege 4064 bd1d1d1b
Processes
-
C:\Users\Admin\AppData\Local\Temp\e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe"C:\Users\Admin\AppData\Local\Temp\e3f7c7140b475a4060605bbf558f1e28e9faa6fb3cebd29e93d37d9cb6fbbf92.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1340
-
C:\Windows\Syswow64\bd1d1d1bC:\Windows\Syswow64\bd1d1d1b1⤵
- 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:4064
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\bd1d1d1b
- Size 1.3MB
- SHA256 be82a84208d2d6c2a4e50646fc3cdd55d7b23355a8f5deed959cf6dfcc023ecd
- MD5 a03264c7d43d0cf8fb55dc1e8873b915
- SHA1 29515735cb54a979df3249ac241fd42e507d34b3
- SHA512 c26faf69634ed9c9fe07ff864c4ca7cc9ea0c405465136c6ee44d1cb9b5fb2cb232cfb737cdf0ada46f22d95efb6283f319148ac662b7cfd1a9aa44874a51d3a
- SSDEEP 24576:AvO2xJKRI2FOkx2LFEvcU6UQOJdBqsCPhH9Do2sl:AHHKO29QG56/OJdJCXDrsl
- TLSH T1BD559E32A6808036E5B3467586FA57BAA5257C215321E1CF73C47A2E1FB37D3A93170E
- MD5 SHA1 SHA512 SSDEEP TLSH