Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
27/05/2026, 13:31
Behavioral task
behavioral1
Sample
b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe
- Size 638KB
- Sample260527-qsdcnaex5r
- SHA256 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71
- MD5 7dba278376ce6548ca2ccd4c0b9cc81d
- SHA1 e276bf94ea0f6a8c1d721300f594fa381612c198
- SHA512 c94bfe0936923ab3370cacb266f1b658716dcfe46ff100254e53c443d0a3c01a003416416c7395715672d3c944e576eff086d767957bce8d50a5d094b9fd5dfc
- SSDEEP 6144:AcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:ASvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T101D46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5100 b82b70b0 - 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 2 223.5.5.5 2484 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe Destination IP 7 114.114.114.114 2484 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe Destination IP 8 223.5.5.5 2484 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe Destination IP 1 114.114.114.114 2484 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b82b70b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b82b70b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b82b70b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b82b70b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b82b70b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b82b70b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b82b70b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b82b70b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b82b70b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b82b70b0 File created C:\Windows\SysWOW64\b82b70b0 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b82b70b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b82b70b0 -
resource yara_rule behavioral2/memory/2484-0-0x00000000008C0000-0x000000000094C000-memory.dmp upx behavioral2/files/0x0009000000025ad7-2.dat upx behavioral2/memory/5100-4-0x0000000000F10000-0x0000000000F9C000-memory.dmp upx behavioral2/memory/2484-10-0x00000000008C0000-0x000000000094C000-memory.dmp upx behavioral2/memory/5100-11-0x0000000000F10000-0x0000000000F9C000-memory.dmp upx behavioral2/memory/5100-27-0x0000000000F10000-0x0000000000F9C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\575058 b82b70b0 File opened for modification C:\Windows\2a86e8 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.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 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b82b70b0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b82b70b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b82b70b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b82b70b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b82b70b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b82b70b0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b82b70b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b82b70b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b82b70b0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b82b70b0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5100 b82b70b0 5100 b82b70b0 5100 b82b70b0 5100 b82b70b0 5100 b82b70b0 5100 b82b70b0 5100 b82b70b0 5100 b82b70b0 2484 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe 2484 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe 2484 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe 2484 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe 2484 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe 2484 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2484 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe Token: SeTcbPrivilege 2484 b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe Token: SeDebugPrivilege 5100 b82b70b0 Token: SeTcbPrivilege 5100 b82b70b0
Processes
-
C:\Users\Admin\AppData\Local\Temp\b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.exe"C:\Users\Admin\AppData\Local\Temp\b14f954c59fd428c82061e49e87a4d157c98b2c1656b87c70276ce40d6cf1e71.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:2484
-
C:\Windows\Syswow64\b82b70b0C:\Windows\Syswow64\b82b70b01⤵
- 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:5100
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b82b70b0
- Size 638KB
- SHA256 17f2a8020e13b72be46e6fcefb4de7c93f17c24a9546860d19b17398dee70389
- MD5 edfc7397daa728b339a63493b289e6af
- SHA1 76beadee13a912d4ab147a3ce014d1c1c23f5ecf
- SHA512 9bd4b2d357594a703c215ef8793baa45fdb981bfa42fe5a0afd488e24dd6cf21a4e83e899700da2bb807db8deb72d5c982bede2d2853eee9b88a501f2bf16ac3
- SSDEEP 6144:hcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:hSvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T17ED46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH