Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
20/04/2026, 23:16
Behavioral task
behavioral1
Sample
d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe
- Size 640KB
- Sample260420-285ydsft2j
- SHA256 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb
- MD5 79c063207d06fde6814e103a1f2c4e91
- SHA1 aa02e7bc014f8578ecc1f090c54fde8f6ed863d5
- SHA512 a14115ce0c45fd24c2c419126339a1eb061c250e42bd1d78b23fff227d574087bb7e82e2d675420f3f040bf602c36ab80e808367bba760786479b129c02852c2
- SSDEEP 6144:zcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:zSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T196D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4196 b0a0aed0 - 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 6 223.5.5.5 4104 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Destination IP 37 114.114.114.114 4104 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Destination IP 38 223.5.5.5 4104 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Destination IP 1 114.114.114.114 4104 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\b0a0aed0 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b0a0aed0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b0a0aed0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b0a0aed0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b0a0aed0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b0a0aed0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b0a0aed0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b0a0aed0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b0a0aed0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b0a0aed0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b0a0aed0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b0a0aed0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b0a0aed0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b0a0aed0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b0a0aed0 -
resource yara_rule behavioral1/memory/4104-0-0x0000000000410000-0x000000000049C000-memory.dmp upx behavioral1/files/0x001000000001f15c-2.dat upx behavioral1/memory/4196-3-0x0000000000CD0000-0x0000000000D5C000-memory.dmp upx behavioral1/memory/4104-18-0x0000000000410000-0x000000000049C000-memory.dmp upx behavioral1/memory/4196-21-0x0000000000CD0000-0x0000000000D5C000-memory.dmp upx behavioral1/memory/4196-40-0x0000000000CD0000-0x0000000000D5C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\47d648 b0a0aed0 File opened for modification C:\Windows\464310 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.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 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b0a0aed0 - 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:" b0a0aed0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b0a0aed0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b0a0aed0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b0a0aed0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b0a0aed0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b0a0aed0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b0a0aed0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b0a0aed0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b0a0aed0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4196 b0a0aed0 4196 b0a0aed0 4196 b0a0aed0 4196 b0a0aed0 4196 b0a0aed0 4196 b0a0aed0 4196 b0a0aed0 4196 b0a0aed0 4104 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe 4104 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe 4104 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe 4104 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe 4104 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe 4104 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4104 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Token: SeTcbPrivilege 4104 d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe Token: SeDebugPrivilege 4196 b0a0aed0 Token: SeTcbPrivilege 4196 b0a0aed0
Processes
-
C:\Users\Admin\AppData\Local\Temp\d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.exe"C:\Users\Admin\AppData\Local\Temp\d4035b67fac83699e2c4eb10d4c25b5b680375b57f9fd96a24dd0aff6f346adb.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:4104
-
C:\Windows\Syswow64\b0a0aed0C:\Windows\Syswow64\b0a0aed01⤵
- 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:4196
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b0a0aed0
- Size 640KB
- SHA256 08ae7ee07abc66f19f9f0a21078e5284c1b0f28227a564c133ff584817d830f4
- MD5 804d6e9319f749302f9f081ca0661618
- SHA1 56db8f7b68baed58bd79de7a3a3e8224a2263c43
- SHA512 2c7404ea0eef6c48bab48219c5ad0baccc23e5d0c93570ffc16fbdf5735d70ccaf96b858a2ea08ff652d88efa8894ab1aad2fde25e6f1ee585450f480e3f9602
- SSDEEP 6144:2cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:2SvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T147D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH