Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
15/04/2026, 11:22
Behavioral task
behavioral1
Sample
481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe
Resource
win11-20260130-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe
- Size 2.9MB
- Sample260415-ngsxvsft91
- SHA256 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3
- MD5 924d540aefbba6be88873e5d71f6c264
- SHA1 51602f1afe5bc68698d57d779a4dd604c82c4ca9
- SHA512 dc601a35cc1d8b6eef936faac0f2c6813120d71d0a300261199d839b47137c013bbee593ca1836e24419181e1fa34bedd006801f92831fb79511fec2e4f0a3af
- SSDEEP 49152:zHHKX2WQt56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:znK7mkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T116D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 800 fc587b7b - 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 3088 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe Destination IP 2 223.5.5.5 3088 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe Destination IP 11 114.114.114.114 3088 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe Destination IP 12 223.5.5.5 3088 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.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\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fc587b7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fc587b7b File created C:\Windows\SysWOW64\fc587b7b 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 fc587b7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE fc587b7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 fc587b7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fc587b7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies fc587b7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft fc587b7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache fc587b7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData fc587b7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fc587b7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 fc587b7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 fc587b7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fc587b7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fc587b7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content fc587b7b -
resource yara_rule behavioral2/memory/3088-0-0x0000000000820000-0x00000000008AC000-memory.dmp upx behavioral2/files/0x001a00000002b463-2.dat upx behavioral2/memory/800-3-0x00000000008D0000-0x000000000095C000-memory.dmp upx behavioral2/memory/3088-12-0x0000000000820000-0x00000000008AC000-memory.dmp upx behavioral2/memory/800-16-0x00000000008D0000-0x000000000095C000-memory.dmp upx behavioral2/memory/800-54-0x00000000008D0000-0x000000000095C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\34de20 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe File opened for modification C:\Windows\db240 fc587b7b - 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 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fc587b7b - 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" fc587b7b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix fc587b7b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" fc587b7b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ fc587b7b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" fc587b7b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing fc587b7b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" fc587b7b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" fc587b7b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" fc587b7b - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA fc587b7b Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 5c000000010000000400000080010000530000000100000040000000303e301f06092b06010401a032010130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c00b000000010000003800000047006c006f00620061006c005300690067006e002000450043004300200052006f006f00740020004300410020002d002000520035000000090000000100000034000000303206082b0601050507030206082b0601050507030306082b0601050507030406082b0601050507030106082b06010505070308620000000100000020000000179fbc148a3dd00fd24ea13458cc43bfa7f59c8182d783a513f6ebec100c89241400000001000000140000003de629489bea07ca21444a26de6eded283d09f591d0000000100000010000000b647dd2a9ccadee75e8905e256cc6b147f000000010000000c000000300a06082b060105050703037e00000001000000080000000080c82b6886d7010300000001000000140000001f24c630cda418ef2069ffad4fdd5f463a1b69aa2000000001000000220200003082021e308201a4a0030201020211605949e0262ebb55f90a778a71f94ad86c300a06082a8648ce3d040303305031243022060355040b131b476c6f62616c5369676e2045434320526f6f74204341202d20523531133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e301e170d3132313131333030303030305a170d3338303131393033313430375a305031243022060355040b131b476c6f62616c5369676e2045434320526f6f74204341202d20523531133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e3076301006072a8648ce3d020106052b810400220362000447450e96fb7d5dbfe939d121f89f0bb6d57b1e923a48591cf062312dc07a28fe1aa75cb3b6cc97e745d458fad1776d43a2c08765340a1f7addeb3c33a1c59d4da46f4195387fc91e84ebd19e49928794870c3a854a669f9d59934d976106864aa3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e041604143de629489bea07ca21444a26de6eded283d09f59300a06082a8648ce3d0403030368003065023100e56912c96edbc631ba0941e197f8fbfd9ae27d12c9ed7c64d3cb05258b56d9a0e75e5d4e0b839c5b7629a00926216a62023071d2b58f5cea3be1780985a875923bc85cfd48ef0d7422a808e26ec549cec70cbca76169f1f73be12acbf92bf3669037 fc587b7b - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 800 fc587b7b 800 fc587b7b 800 fc587b7b 800 fc587b7b 800 fc587b7b 800 fc587b7b 800 fc587b7b 800 fc587b7b 3088 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe 3088 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe 3088 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe 3088 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe 3088 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe 3088 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3088 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe Token: SeTcbPrivilege 3088 481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe Token: SeDebugPrivilege 800 fc587b7b Token: SeTcbPrivilege 800 fc587b7b
Processes
-
C:\Users\Admin\AppData\Local\Temp\481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.exe"C:\Users\Admin\AppData\Local\Temp\481f863d9295f19844ca5d0344c879a15baab2c19c11b6e99a4883046493dfe3.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:3088
-
C:\Windows\Syswow64\fc587b7bC:\Windows\Syswow64\fc587b7b1⤵
- 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:800
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\fc587b7b
- Size 2.9MB
- SHA256 7c1907d54fdf3e38b0021e868e9f1aaf4d660e54a22237c4ea29d21da4c25638
- MD5 1c6698dc285f1df75a649a1aaf58cf83
- SHA1 704ebf61f8ba75471d34bc21be48312fd3c2b6c7
- SHA512 d1da05da2b402f828244e7ef0f04b7e8102f190e2abf7f38593698a38bb5ff073a6eb668dafd231632821e9d3d90ff75fcb5e5ea27553eae442b79ecb90f61d9
- SSDEEP 49152:jHHKX2WQt56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:jnK7mkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T193D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH