Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
26/04/2026, 22:29
Behavioral task
behavioral1
Sample
40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe
- Size 1.4MB
- Sample260426-2elyeshw7s
- SHA256 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d
- MD5 219eda58e0b5d75b9315c9500e6db4e5
- SHA1 78ad019e51e9a399947c7d2207b79c8a628fd71b
- SHA512 4915e09ba4486d7f1884ff0f45e6530a9fa3ed88e6d481975a7282fe5c3b40db7e74df88623b987993617ccf384a34bd9f20f85617565222c3848b8701c85322
- SSDEEP 24576:qjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:qTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T166658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4480 cf54ab04 - 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 4 223.5.5.5 2560 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe Destination IP 19 114.114.114.114 2560 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe Destination IP 20 223.5.5.5 2560 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe Destination IP 3 114.114.114.114 2560 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cf54ab04 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cf54ab04 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 cf54ab04 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cf54ab04 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cf54ab04 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cf54ab04 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cf54ab04 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cf54ab04 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 cf54ab04 File created C:\Windows\SysWOW64\cf54ab04 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cf54ab04 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cf54ab04 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cf54ab04 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cf54ab04 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 cf54ab04 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cf54ab04 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cf54ab04 -
resource yara_rule behavioral1/memory/2560-0-0x0000000000AA0000-0x0000000000B29000-memory.dmp upx behavioral1/files/0x000500000002305d-2.dat upx behavioral1/memory/4480-4-0x00000000008D0000-0x0000000000959000-memory.dmp upx behavioral1/memory/2560-10-0x0000000000AA0000-0x0000000000B29000-memory.dmp upx behavioral1/memory/4480-12-0x00000000008D0000-0x0000000000959000-memory.dmp upx behavioral1/memory/2560-35-0x0000000000AA0000-0x0000000000B29000-memory.dmp upx behavioral1/memory/4480-37-0x00000000008D0000-0x0000000000959000-memory.dmp upx behavioral1/memory/2560-44-0x0000000000AA0000-0x0000000000B29000-memory.dmp upx behavioral1/memory/2560-62-0x0000000000AA0000-0x0000000000B29000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2bd400 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe File opened for modification C:\Windows\4cb300 cf54ab04 - 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 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cf54ab04 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cf54ab04 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cf54ab04 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cf54ab04 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cf54ab04 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cf54ab04 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" cf54ab04 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cf54ab04 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cf54ab04 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cf54ab04 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA cf54ab04 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 5c0000000100000004000000800100000400000001000000100000009fad3b1c021e8aba177438810ca2bc080f0000000100000030000000f019c7ba12795dacd6ef1a767657deb8e41060a2ad1a6c66900a6ec16870fc06eecbaffdd3e2c986659578e7e85e535a530000000100000040000000303e301f06092b06010401a032010130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c00b000000010000003800000047006c006f00620061006c005300690067006e002000450043004300200052006f006f00740020004300410020002d002000520035000000090000000100000034000000303206082b0601050507030206082b0601050507030306082b0601050507030406082b0601050507030106082b06010505070308620000000100000020000000179fbc148a3dd00fd24ea13458cc43bfa7f59c8182d783a513f6ebec100c89241400000001000000140000003de629489bea07ca21444a26de6eded283d09f591d0000000100000010000000b647dd2a9ccadee75e8905e256cc6b147f000000010000000c000000300a06082b060105050703037e00000001000000080000000080c82b6886d7010300000001000000140000001f24c630cda418ef2069ffad4fdd5f463a1b69aa190000000100000010000000e3087c0c81f60a2a2b466b8a3e70cce82000000001000000220200003082021e308201a4a0030201020211605949e0262ebb55f90a778a71f94ad86c300a06082a8648ce3d040303305031243022060355040b131b476c6f62616c5369676e2045434320526f6f74204341202d20523531133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e301e170d3132313131333030303030305a170d3338303131393033313430375a305031243022060355040b131b476c6f62616c5369676e2045434320526f6f74204341202d20523531133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e3076301006072a8648ce3d020106052b810400220362000447450e96fb7d5dbfe939d121f89f0bb6d57b1e923a48591cf062312dc07a28fe1aa75cb3b6cc97e745d458fad1776d43a2c08765340a1f7addeb3c33a1c59d4da46f4195387fc91e84ebd19e49928794870c3a854a669f9d59934d976106864aa3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e041604143de629489bea07ca21444a26de6eded283d09f59300a06082a8648ce3d0403030368003065023100e56912c96edbc631ba0941e197f8fbfd9ae27d12c9ed7c64d3cb05258b56d9a0e75e5d4e0b839c5b7629a00926216a62023071d2b58f5cea3be1780985a875923bc85cfd48ef0d7422a808e26ec549cec70cbca76169f1f73be12acbf92bf3669037 cf54ab04 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4480 cf54ab04 4480 cf54ab04 4480 cf54ab04 4480 cf54ab04 4480 cf54ab04 4480 cf54ab04 4480 cf54ab04 4480 cf54ab04 2560 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe 2560 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe 2560 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe 2560 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe 2560 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe 2560 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2560 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe Token: SeTcbPrivilege 2560 40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe Token: SeDebugPrivilege 4480 cf54ab04 Token: SeTcbPrivilege 4480 cf54ab04
Processes
-
C:\Users\Admin\AppData\Local\Temp\40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.exe"C:\Users\Admin\AppData\Local\Temp\40791249975d3f0affe6005fdb2685c12e8dad3d8cea4d5de38c6cfc8baac80d.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:2560
-
C:\Windows\Syswow64\cf54ab04C:\Windows\Syswow64\cf54ab041⤵
- 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:4480
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cf54ab04
- Size 1.4MB
- SHA256 35ce6295eff13c15186d18fa1e032647a82eee4b611bda8b823841bb0f93bc77
- MD5 b547f06870ba48a8b5c30f4ab0e7a38d
- SHA1 706a185d42393aca974e5cc4ab84f7e23f5ec83d
- SHA512 f5a4c3c5ef0e7ba2c1997f88e9576eb56b1b8cd707cc8de61ce15a6d75f74e861e724546b9573f2299e839bb7d1a4b9176f2265bbd268e2ca114d0eecde7b432
- SSDEEP 24576:qjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:qTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T15E658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH