Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
29/05/2026, 04:28
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe
Resource
win11-20260513-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe
- Size 395KB
- Sample260529-e31edsc13s
- SHA256 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb
- MD5 18223e1cbf4a5019980d64f3b4e05f8f
- SHA1 7de1b25e8ab59b8480c1726de068edfba88452d6
- SHA512 709d35706921143e47368eabe8c8c0da97ea2f480f561609e4e269ab8d9bd6d9a63bf7e3590c215c954e032b44d1b17de9b41feba17f91c9f590f2b7bfb583be
- SSDEEP 6144:9w6O71c8GoBjS3BYLvV61qL2LZlRFZcEOkCybEaQRXr9HNdvOaty8K:9Q7O8f8BY7V61qL2LNOkx2LIaty
- TLSH T1F3846C2AF6A09072C4779579C4A256A6FFB1B42237204ACFA390475A1F337E2BD3531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2236 d13fb142 - 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 3712 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe Destination IP 4 223.5.5.5 3712 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe Destination IP 64 114.114.114.114 3712 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe Destination IP 66 223.5.5.5 3712 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe - Drops file in System32 directory 19 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d13fb142 File created C:\Windows\SysWOW64\d13fb142 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d13fb142 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 d13fb142 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2647f8 d13fb142 File opened for modification C:\Windows\3f8d00 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.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 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d13fb142 - 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\Cookies\CachePrefix = "Cookie:" d13fb142 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d13fb142 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d13fb142 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d13fb142 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix d13fb142 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d13fb142 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d13fb142 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d13fb142 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d13fb142 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA d13fb142 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 d13fb142 - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 2236 d13fb142 2236 d13fb142 2236 d13fb142 2236 d13fb142 2236 d13fb142 2236 d13fb142 2236 d13fb142 2236 d13fb142 2236 d13fb142 2236 d13fb142 2236 d13fb142 2236 d13fb142 3712 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe 3712 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe 3712 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe 3712 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe 3712 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe 3712 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3712 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe Token: SeTcbPrivilege 3712 c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe Token: SeDebugPrivilege 2236 d13fb142 Token: SeTcbPrivilege 2236 d13fb142
Processes
-
C:\Users\Admin\AppData\Local\Temp\c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.exe"C:\Users\Admin\AppData\Local\Temp\c21ac2398755ca7316e6f8280489940f3e8d959549204ab57bf0811cf62f6bfb.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:3712
-
C:\Windows\Syswow64\d13fb142C:\Windows\Syswow64\d13fb1421⤵
- 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:2236
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\2647f8
- Size 506B
- SHA256 c19b35f59ef34e6e40aa382388250aaae86b53a7307348cd6739bd81ccd609ce
- MD5 3a82dbc3a30bde2e63c6464922ef28b3
- SHA1 a6f9642ee35a17ea5a113a759589828c4c4df6f1
- SHA512 eef58f180edbec3a0ef1d7aa3dca3f9ef9502d29599416f7822d05118fdf8d01df712045692f15af624834b8a7bac9d7a44753443b9c54155c0f7d5a2025383a
- TLSH T110F0C9BBA43E22A0AC8E68E159377C47980C606DC02B22662DC2B4468087276AA0A504
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\SysWOW64\d13fb142
- Size 395KB
- SHA256 52e816cd28584f121fec22a499be8773251f9a439df02314ced7fe25046d5b55
- MD5 3f456b96642d86b653b43c0497fb5fbd
- SHA1 b11d2ea67734bddc3521eb885d7a90a34b8db395
- SHA512 c17c092ea299086e427153aed119f84559c107adc363ed9863baada4c3360bbfb6cea7621362fa89c7c0a01c693dca356ca41cd963ea510337a8d0643ce3742b
- SSDEEP 6144:Rw6O71c8GoBjS3BYLvV61qL2LZlRFZcEOkCybEaQRXr9HNdvOaty8K:RQ7O8f8BY7V61qL2LNOkx2LIaty
- TLSH T1AA846C2AF6A09072C4779579C4A256A6FFB1B42237204ACFA390475A1F337E2BD3531D
- MD5 SHA1 SHA512 SSDEEP TLSH