Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
04/05/2026, 19:05
Behavioral task
behavioral1
Sample
a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe
Resource
win11-20260130-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe
- Size 640KB
- Sample260504-xrmy2aft7l
- SHA256 a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36
- MD5 efc731a4e022354de06f93982408a0f7
- SHA1 10a7d2b136bd525dc5f4da291890b7590a8870a4
- SHA512 2512174cb88a9474feed342c54ac5cbf059eecfa9ed45bedd1ac4b966af5d2d2a88f68d12cafdde7f2eebb11f3755887ee0903dbe1fbe22ff31928a6ac4fe180
- SSDEEP 6144:4cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:4SvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T196D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 456 dc09ef2c - 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 3716 a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe Destination IP 2 223.5.5.5 3716 a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe Destination IP 12 114.114.114.114 3716 a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe Destination IP 13 223.5.5.5 3716 a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.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\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dc09ef2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 dc09ef2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 dc09ef2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies dc09ef2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 dc09ef2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 dc09ef2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE dc09ef2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content dc09ef2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 dc09ef2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 dc09ef2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dc09ef2c File created C:\Windows\SysWOW64\dc09ef2c a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 dc09ef2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft dc09ef2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache dc09ef2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData dc09ef2c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 dc09ef2c -
resource yara_rule behavioral2/memory/3716-0-0x0000000000170000-0x00000000001FC000-memory.dmp upx behavioral2/files/0x002c00000000ba12-2.dat upx behavioral2/memory/456-3-0x00000000002C0000-0x000000000034C000-memory.dmp upx behavioral2/memory/3716-12-0x0000000000170000-0x00000000001FC000-memory.dmp upx behavioral2/memory/456-14-0x00000000002C0000-0x000000000034C000-memory.dmp upx behavioral2/memory/456-36-0x00000000002C0000-0x000000000034C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\7ce90 dc09ef2c File opened for modification C:\Windows\3f9e88 a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.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 a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dc09ef2c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing dc09ef2c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" dc09ef2c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ dc09ef2c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" dc09ef2c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix dc09ef2c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" dc09ef2c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" dc09ef2c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" dc09ef2c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" dc09ef2c - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA dc09ef2c Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 dc09ef2c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 456 dc09ef2c 456 dc09ef2c 456 dc09ef2c 456 dc09ef2c 456 dc09ef2c 456 dc09ef2c 456 dc09ef2c 456 dc09ef2c 3716 a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe 3716 a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe 3716 a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe 3716 a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe 3716 a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe 3716 a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3716 a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe Token: SeTcbPrivilege 3716 a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe Token: SeDebugPrivilege 456 dc09ef2c Token: SeTcbPrivilege 456 dc09ef2c
Processes
-
C:\Users\Admin\AppData\Local\Temp\a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.exe"C:\Users\Admin\AppData\Local\Temp\a9a65cdd35f0f7c5d8f86e3ae73fcc22ab825ee72eb0a149cd87990e5a6fce36.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:3716
-
C:\Windows\Syswow64\dc09ef2cC:\Windows\Syswow64\dc09ef2c1⤵
- 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:456
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\dc09ef2c
- Size 640KB
- SHA256 d4362710a9bc9380bec4c472d0b93d93a07706c600e76946c3dfbf61a638debc
- MD5 fe6aca5b4d6ebf8fe21abeda6a10f131
- SHA1 08c254d7f65e1026ba9077093abfdfd5e1c22b5c
- SHA512 ee1c0d2eb26a2fba252fa9844267c2d26da75fc905cbe7f2cf75714678c773542c87c583ca51ec58307f51338ebca6513d624705a8134c7c83bbc247ef08b24f
- SSDEEP 6144:zcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:zSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1B4D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH