Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/08/2026, 02:51
Behavioral task
behavioral1
Sample
2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe
- Size 873KB
- Sample260809-dcnr8syfrb
- SHA256 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f
- MD5 c9bf2d05823643e6e668ebca72b8ebf8
- SHA1 efb4ff06790cc6a8f1e6cb9ef5b91665b1786a8a
- SHA512 7698c68b3cf8756b0c6d3a82ae004d1f521d99f4c947eb59f49931afbdabd598221f5a6862fdaa21082d2b932e015df9b0d4e331cd984f834005db33e5dbdae0
- SSDEEP 12288:rSvO2x9mONvKRhLSFtsOkx2LIaeyk5FAQjU/Lik8CQ3uEW:evO2xJKRh2kOkx2LFxNcUQPxW
- TLSH T183156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4368 c7d8d40c - 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 3428 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe Destination IP 6 223.5.5.5 3428 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe Destination IP 29 114.114.114.114 3428 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe Destination IP 30 223.5.5.5 3428 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.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 c7d8d40c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c7d8d40c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c7d8d40c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c7d8d40c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c7d8d40c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c7d8d40c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c7d8d40c File created C:\Windows\SysWOW64\c7d8d40c 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c7d8d40c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c7d8d40c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 c7d8d40c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 c7d8d40c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C c7d8d40c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c7d8d40c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c7d8d40c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c7d8d40c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C c7d8d40c -
resource yara_rule behavioral1/memory/3428-0-0x0000000000AC0000-0x0000000000B4C000-memory.dmp upx behavioral1/files/0x00060000000004ec-2.dat upx behavioral1/memory/4368-3-0x0000000000450000-0x00000000004DC000-memory.dmp upx behavioral1/memory/3428-12-0x0000000000AC0000-0x0000000000B4C000-memory.dmp upx behavioral1/memory/4368-13-0x0000000000450000-0x00000000004DC000-memory.dmp upx behavioral1/memory/4368-32-0x0000000000450000-0x00000000004DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4ac820 c7d8d40c File opened for modification C:\Windows\3ab048 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.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 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c7d8d40c - 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:" c7d8d40c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c7d8d40c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c7d8d40c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c7d8d40c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c7d8d40c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c7d8d40c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c7d8d40c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c7d8d40c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c7d8d40c - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4368 c7d8d40c 4368 c7d8d40c 4368 c7d8d40c 4368 c7d8d40c 4368 c7d8d40c 4368 c7d8d40c 4368 c7d8d40c 4368 c7d8d40c 4368 c7d8d40c 4368 c7d8d40c 4368 c7d8d40c 4368 c7d8d40c 3428 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe 3428 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe 3428 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe 3428 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe 3428 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe 3428 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3428 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe Token: SeTcbPrivilege 3428 2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe Token: SeDebugPrivilege 4368 c7d8d40c Token: SeTcbPrivilege 4368 c7d8d40c
Processes
-
C:\Users\Admin\AppData\Local\Temp\2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.exe"C:\Users\Admin\AppData\Local\Temp\2003db427cd0ebbffaaa29abb75174945a25bc3f8448c025d6b80147aba7c62f.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:3428
-
C:\Windows\Syswow64\c7d8d40cC:\Windows\Syswow64\c7d8d40c1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4368
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c7d8d40c
- Size 873KB
- SHA256 63c94694b38a3ba967903d93176f6035651cffbb577779af54c81e8a453be437
- MD5 c34ed955af88daea61fa526e404a89f8
- SHA1 7ef0b3ec4662e61ca4e92dbec776019844887e53
- SHA512 158a1b257a51db43467943924cca6d54e5a39091ae7d2e213901fe8a14aeee7ebe897bda9390f7fdc17e27818649bcf52f515a993439e132d5faecf9034841d7
- SSDEEP 12288:tSvO2x9mONvKRhLSFtsOkx2LIaeyk5FAQjU/Lik8CQ3uEW:svO2xJKRh2kOkx2LFxNcUQPxW
- TLSH T16B156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH