Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 19:14
Behavioral task
behavioral1
Sample
1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe
Resource
win11ltsc2024-20260710-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe
- Size 761KB
- Sample260802-xxybyseq81
- SHA256 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83
- MD5 5ff824144a630b81a71fe59ae814e499
- SHA1 a1d60fdf48a703b23e0a0e2d83caa712d1a80742
- SHA512 0295ba8c3e0c29ef564993b8ecc588d927272240e29bb6ec255bb3e5c3351a3146905e30209511c0c59538d7737d5ff6690e7ee79ead919b4408e8de4b26d98d
- SSDEEP 12288:iSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:pvO2xJKRw2kOkxSkW298B
- TLSH T169F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5024 fae20897 - 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 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe Destination IP 4 223.5.5.5 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe Destination IP 11 114.114.114.114 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe Destination IP 12 223.5.5.5 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fae20897 File created C:\Windows\SysWOW64\fae20897 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 fae20897 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies fae20897 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData fae20897 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 fae20897 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content fae20897 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fae20897 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE fae20897 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 fae20897 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft fae20897 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache fae20897 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 fae20897 -
resource yara_rule behavioral2/memory/2352-0-0x0000000000990000-0x0000000000A1C000-memory.dmp upx behavioral2/files/0x000a000000019caa-2.dat upx behavioral2/memory/5024-3-0x0000000000440000-0x00000000004CC000-memory.dmp upx behavioral2/memory/2352-10-0x0000000000990000-0x0000000000A1C000-memory.dmp upx behavioral2/memory/5024-11-0x0000000000440000-0x00000000004CC000-memory.dmp upx behavioral2/memory/5024-26-0x0000000000440000-0x00000000004CC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\560340 fae20897 File opened for modification C:\Windows\284460 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.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 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fae20897 - 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\History\CachePrefix = "Visited:" fae20897 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ fae20897 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" fae20897 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" fae20897 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix fae20897 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" fae20897 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" fae20897 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing fae20897 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" fae20897 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA fae20897 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 5c0000000100000004000000800100000f0000000100000030000000f019c7ba12795dacd6ef1a767657deb8e41060a2ad1a6c66900a6ec16870fc06eecbaffdd3e2c986659578e7e85e535a530000000100000040000000303e301f06092b06010401a032010130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c00b000000010000003800000047006c006f00620061006c005300690067006e002000450043004300200052006f006f00740020004300410020002d002000520035000000090000000100000034000000303206082b0601050507030206082b0601050507030306082b0601050507030406082b0601050507030106082b06010505070308620000000100000020000000179fbc148a3dd00fd24ea13458cc43bfa7f59c8182d783a513f6ebec100c89241400000001000000140000003de629489bea07ca21444a26de6eded283d09f591d0000000100000010000000b647dd2a9ccadee75e8905e256cc6b147f000000010000000c000000300a06082b060105050703037e00000001000000080000000080c82b6886d7010300000001000000140000001f24c630cda418ef2069ffad4fdd5f463a1b69aa190000000100000010000000e3087c0c81f60a2a2b466b8a3e70cce82000000001000000220200003082021e308201a4a0030201020211605949e0262ebb55f90a778a71f94ad86c300a06082a8648ce3d040303305031243022060355040b131b476c6f62616c5369676e2045434320526f6f74204341202d20523531133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e301e170d3132313131333030303030305a170d3338303131393033313430375a305031243022060355040b131b476c6f62616c5369676e2045434320526f6f74204341202d20523531133011060355040a130a476c6f62616c5369676e311330110603550403130a476c6f62616c5369676e3076301006072a8648ce3d020106052b810400220362000447450e96fb7d5dbfe939d121f89f0bb6d57b1e923a48591cf062312dc07a28fe1aa75cb3b6cc97e745d458fad1776d43a2c08765340a1f7addeb3c33a1c59d4da46f4195387fc91e84ebd19e49928794870c3a854a669f9d59934d976106864aa3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e041604143de629489bea07ca21444a26de6eded283d09f59300a06082a8648ce3d0403030368003065023100e56912c96edbc631ba0941e197f8fbfd9ae27d12c9ed7c64d3cb05258b56d9a0e75e5d4e0b839c5b7629a00926216a62023071d2b58f5cea3be1780985a875923bc85cfd48ef0d7422a808e26ec549cec70cbca76169f1f73be12acbf92bf3669037 fae20897 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5024 fae20897 5024 fae20897 5024 fae20897 5024 fae20897 5024 fae20897 5024 fae20897 5024 fae20897 5024 fae20897 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe Token: SeTcbPrivilege 2352 1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe Token: SeDebugPrivilege 5024 fae20897 Token: SeTcbPrivilege 5024 fae20897
Processes
-
C:\Users\Admin\AppData\Local\Temp\1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.exe"C:\Users\Admin\AppData\Local\Temp\1f821bc6afecfff0f15dfe7cdf0c3952c37f7963218578a02f40f7e179cfda83.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:2352
-
C:\Windows\Syswow64\fae20897C:\Windows\Syswow64\fae208971⤵
- 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:5024
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\fae20897
- Size 761KB
- SHA256 9378e74645b467c7c926a09f60aabd943049a75a4383f8d0ad052c5a733a705a
- MD5 fcee598191d04d713675cf11f5fddb71
- SHA1 234481ab1b96b4681087f083047484310fe1f4f0
- SHA512 293515bc44f5c1d718f223ebf73212a79e964d71743f326c82387a79b456c54e829c216442f752086401b76303ff95e2f7d5443edc2afb64548884f7bfce76ad
- SSDEEP 12288:ISvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:DvO2xJKRw2kOkxSkW298B
- TLSH T185F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH