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
02/08/2026, 08:24
Behavioral task
behavioral1
Sample
ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe
- Size 640KB
- Sample260802-ka523aydmc
- SHA256 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5
- MD5 ce982a12f17aa9583a9e8a260d00acf7
- SHA1 45a6287df56de0c8507c22f534020c3fb59b0b91
- SHA512 0fbec98bfd805944da303dbcc4c850e31b3445d28606e98ad911653f8f1b62d8f8327ae3bec24f4e4e6f5281f0f405788a8d4362ab6e3ff048f10a21bf58811f
- SSDEEP 6144:lcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:lSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T120D45B35A6808036C0B74631C6F64BAAF9B5BC21631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2124 b97d40b - 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 54 114.114.114.114 3036 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe Destination IP 55 223.5.5.5 3036 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe Destination IP 3 114.114.114.114 3036 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe Destination IP 4 223.5.5.5 3036 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b97d40b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b97d40b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b97d40b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b97d40b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b97d40b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b97d40b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b97d40b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b97d40b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b97d40b File created C:\Windows\SysWOW64\b97d40b ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b97d40b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b97d40b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b97d40b -
resource yara_rule behavioral1/memory/3036-0-0x0000000000810000-0x000000000089C000-memory.dmp upx behavioral1/files/0x000e00000002436a-2.dat upx behavioral1/memory/2124-3-0x0000000000330000-0x00000000003BC000-memory.dmp upx behavioral1/memory/3036-10-0x0000000000810000-0x000000000089C000-memory.dmp upx behavioral1/memory/2124-11-0x0000000000330000-0x00000000003BC000-memory.dmp upx behavioral1/memory/2124-25-0x0000000000330000-0x00000000003BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\245d18 b97d40b File opened for modification C:\Windows\33fa38 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.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 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b97d40b - 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\Content\CachePrefix b97d40b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b97d40b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b97d40b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b97d40b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b97d40b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b97d40b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b97d40b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b97d40b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b97d40b - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2124 b97d40b 2124 b97d40b 2124 b97d40b 2124 b97d40b 2124 b97d40b 2124 b97d40b 2124 b97d40b 2124 b97d40b 3036 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe 3036 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe 3036 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe 3036 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe 3036 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe 3036 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3036 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe Token: SeTcbPrivilege 3036 ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe Token: SeDebugPrivilege 2124 b97d40b Token: SeTcbPrivilege 2124 b97d40b
Processes
-
C:\Users\Admin\AppData\Local\Temp\ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe"C:\Users\Admin\AppData\Local\Temp\ebebfe9fb2c30b0f07d93f7680ceb888f557b4f421e253489c2c58aebae5b0d5.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3036
-
C:\Windows\Syswow64\b97d40bC:\Windows\Syswow64\b97d40b1⤵
- 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:2124
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b97d40b
- Size 640KB
- SHA256 c89b4c04092d1518c553bbc41f421947c21f18e453b39a8f49d1aec05abee00b
- MD5 198f1c5fe7b7cb90ceb9f7c440f9d6ae
- SHA1 06a5e329ac136b58945c71f2930be07a0de62cf7
- SHA512 120d875714480893fe33df8dab0cf573a273d2c387fca2a668fa33ef17a0fb9439bf5e2400c380ae0163daad0fb004c2c2032897cd959618d6da3dbf298a78d2
- SSDEEP 6144:5cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:5SvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T1BDD45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH