Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/08/2026, 19:32
Behavioral task
behavioral1
Sample
f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe
- Size 832KB
- Sample260815-x8638stsbx
- SHA256 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a
- MD5 3484851aecc2dfdf595b1b35be475a63
- SHA1 32fbecfc2a305c374b2db45aaed54bdeeb7d13f4
- SHA512 067527a787289ba2792d0708bbc71bd3eae5c76a4be4a532851936c4d205b193f1e9f366028c839497a700859ff22813595b8c094d3faf898171471ae5b90a60
- SSDEEP 12288:YqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybAsLAkQ:YjHPOSOkx2LFscUQPxuZ98Es8kQ
- TLSH T12B059D21E202C13AD49701B2C6BE0BAFA5687D15432561C7E3D87D6A2FB61D2BE3171F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4524 5aace520 - 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 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe Destination IP 4 223.5.5.5 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe Destination IP 17 114.114.114.114 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe Destination IP 18 223.5.5.5 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 5aace520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 5aace520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 5aace520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5aace520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 5aace520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5aace520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5aace520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5aace520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5aace520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 5aace520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 5aace520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 5aace520 File created C:\Windows\SysWOW64\5aace520 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 5aace520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 5aace520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5aace520 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 5aace520 -
resource yara_rule behavioral2/memory/4532-0-0x00000000002E0000-0x0000000000369000-memory.dmp upx behavioral2/files/0x000e000000019c8f-2.dat upx behavioral2/memory/4524-3-0x0000000000750000-0x00000000007D9000-memory.dmp upx behavioral2/memory/4532-12-0x00000000002E0000-0x0000000000369000-memory.dmp upx behavioral2/memory/4524-14-0x0000000000750000-0x00000000007D9000-memory.dmp upx behavioral2/memory/4524-22-0x0000000000750000-0x00000000007D9000-memory.dmp upx behavioral2/memory/4532-35-0x00000000002E0000-0x0000000000369000-memory.dmp upx behavioral2/memory/4524-36-0x0000000000750000-0x00000000007D9000-memory.dmp upx behavioral2/memory/4532-51-0x00000000002E0000-0x0000000000369000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4d73d8 5aace520 File opened for modification C:\Windows\4d96e8 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.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 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5aace520 - 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 5aace520 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 5aace520 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 5aace520 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 5aace520 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 5aace520 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 5aace520 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 5aace520 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5aace520 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 5aace520 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 5aace520 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 5c000000010000000400000080010000530000000100000040000000303e301f06092b06010401a032010130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c00b000000010000003800000047006c006f00620061006c005300690067006e002000450043004300200052006f006f00740020004300410020002d002000520035000000090000000100000034000000303206082b0601050507030206082b0601050507030306082b0601050507030406082b0601050507030106082b06010505070308620000000100000020000000179fbc148a3dd00fd24ea13458cc43bfa7f59c8182d783a513f6ebec100c89241400000001000000140000003de629489bea07ca21444a26de6eded283d09f591d0000000100000010000000b647dd2a9ccadee75e8905e256cc6b147f000000010000000c000000300a06082b060105050703037e00000001000000080000000080c82b6886d7010300000001000000140000001f24c630cda418ef2069ffad4fdd5f463a1b69aa2000000001000000220200003082021e308201a4a0030201020211605949e0262ebb55f90a778a71f94ad86c300a06082a8648ce3d040303305031243022060355040b131b476c6f62616c5369676e2045434320526f6f74204341202d20523531133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e301e170d3132313131333030303030305a170d3338303131393033313430375a305031243022060355040b131b476c6f62616c5369676e2045434320526f6f74204341202d20523531133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e3076301006072a8648ce3d020106052b810400220362000447450e96fb7d5dbfe939d121f89f0bb6d57b1e923a48591cf062312dc07a28fe1aa75cb3b6cc97e745d458fad1776d43a2c08765340a1f7addeb3c33a1c59d4da46f4195387fc91e84ebd19e49928794870c3a854a669f9d59934d976106864aa3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e041604143de629489bea07ca21444a26de6eded283d09f59300a06082a8648ce3d0403030368003065023100e56912c96edbc631ba0941e197f8fbfd9ae27d12c9ed7c64d3cb05258b56d9a0e75e5d4e0b839c5b7629a00926216a62023071d2b58f5cea3be1780985a875923bc85cfd48ef0d7422a808e26ec549cec70cbca76169f1f73be12acbf92bf3669037 5aace520 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4524 5aace520 4524 5aace520 4524 5aace520 4524 5aace520 4524 5aace520 4524 5aace520 4524 5aace520 4524 5aace520 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe Token: SeTcbPrivilege 4532 f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe Token: SeDebugPrivilege 4524 5aace520 Token: SeTcbPrivilege 4524 5aace520
Processes
-
C:\Users\Admin\AppData\Local\Temp\f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.exe"C:\Users\Admin\AppData\Local\Temp\f8ea0c766bea63b6f578d9ee0bee95d95d4a23c7990cd363b9b34212ccfb447a.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:4532
-
C:\Windows\Syswow64\5aace520C:\Windows\Syswow64\5aace5201⤵
- 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:4524
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\5aace520
- Size 832KB
- SHA256 c9a592a9391de2720d25baf61f020d5499b411cf81605d4907a080e4bf88ec08
- MD5 b484dc520c6feebdeb14c81de9719efe
- SHA1 a46f0f7a99b573f9e712faad688e15cd43de72be
- SHA512 105d1f3bbff4adbd297d1d3b6a217b2c7b3176ad28cd92194f080208d854dd3dbfcb2da05a182130ede671b4a785ca8c865f1763b7cd49b256d44e5bfebfee27
- SSDEEP 12288:iqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybAsLAkQ:ijHPOSOkx2LFscUQPxuZ98Es8kQ
- TLSH T1B9059D21E202C13AD49701B2C6BE0BAFA5687D15432561C7E3D87D6A2FB61D2BE3171F
- MD5 SHA1 SHA512 SSDEEP TLSH