Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/07/2026, 19:53
Behavioral task
behavioral1
Sample
f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe
- Size 1.4MB
- Sample260718-ymc4psev8v
- SHA256 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e
- MD5 c3a2a1a5c9e532f9c8867708c49b5123
- SHA1 85a9cc53790d85125df93fbaebb7a692c4e8fa9f
- SHA512 e07e15898e3a2861c529a90453ed15287f533c19e10638546a9b5bcdbb17f29d1a95cae3ee36afb4d9369beb232e3c033142328c4c085b94b78aa58dde9dccdf
- SSDEEP 24576:IjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:ITGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T17E658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4656 b5d1c80f - 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 1 114.114.114.114 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe Destination IP 4 223.5.5.5 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe Destination IP 16 114.114.114.114 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe Destination IP 17 223.5.5.5 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.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\AAD646CB44373074ADE741C38400E7E1 b5d1c80f File created C:\Windows\SysWOW64\b5d1c80f f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b5d1c80f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b5d1c80f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 b5d1c80f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C b5d1c80f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b5d1c80f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b5d1c80f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b5d1c80f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C b5d1c80f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b5d1c80f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b5d1c80f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b5d1c80f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b5d1c80f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b5d1c80f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b5d1c80f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b5d1c80f -
resource yara_rule behavioral2/memory/800-0-0x0000000000940000-0x00000000009C9000-memory.dmp upx behavioral2/files/0x000800000001b85f-2.dat upx behavioral2/memory/4656-3-0x0000000000590000-0x0000000000619000-memory.dmp upx behavioral2/memory/800-10-0x0000000000940000-0x00000000009C9000-memory.dmp upx behavioral2/memory/4656-12-0x0000000000590000-0x0000000000619000-memory.dmp upx behavioral2/memory/800-35-0x0000000000940000-0x00000000009C9000-memory.dmp upx behavioral2/memory/4656-36-0x0000000000590000-0x0000000000619000-memory.dmp upx behavioral2/memory/4656-48-0x0000000000590000-0x0000000000619000-memory.dmp upx behavioral2/memory/800-50-0x0000000000940000-0x00000000009C9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4fb660 b5d1c80f File opened for modification C:\Windows\db240 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.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 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b5d1c80f - 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:" b5d1c80f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b5d1c80f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b5d1c80f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b5d1c80f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b5d1c80f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b5d1c80f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b5d1c80f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b5d1c80f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b5d1c80f - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA b5d1c80f Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 b5d1c80f - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4656 b5d1c80f 4656 b5d1c80f 4656 b5d1c80f 4656 b5d1c80f 4656 b5d1c80f 4656 b5d1c80f 4656 b5d1c80f 4656 b5d1c80f 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe Token: SeTcbPrivilege 800 f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe Token: SeDebugPrivilege 4656 b5d1c80f Token: SeTcbPrivilege 4656 b5d1c80f
Processes
-
C:\Users\Admin\AppData\Local\Temp\f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.exe"C:\Users\Admin\AppData\Local\Temp\f61fcc7b4bc5938cec8222d3eb387ef190f1cbfa2d1c5bd89cbfa184218e308e.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:800
-
C:\Windows\Syswow64\b5d1c80fC:\Windows\Syswow64\b5d1c80f1⤵
- 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:4656
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b5d1c80f
- Size 1.4MB
- SHA256 d84c2dc2d1e2a8d5b2f5a77ca0f10d2eedef9e9171dc66789218c9d1df8a2752
- MD5 f34281ddc7d97af0d84e66f51beb98dc
- SHA1 b1f5ec60a5fa70011ccbaa68c12481d23dc03ce9
- SHA512 9b508d6e79bff0e573b063f41ba6b3fe67c0e95d8452ed017c29f7fce98ae6dc6712945dd57804fa174d7e3ee1ca41d08c3d8080cdf27212ebe707c12e135076
- SSDEEP 24576:AjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:ATGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1F8658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH