Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
19/08/2026, 22:52
Behavioral task
behavioral1
Sample
415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe
- Size 761KB
- Sample260819-2tt8caaa88
- SHA256 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69
- MD5 4ff65889e24d83abe2a6c5569d306bd5
- SHA1 b66ab313576fe1783a9bbe34758ef46af4637bc3
- SHA512 a291588649b79106b7ff4fc355a957ed375392e362fee7cd49a3efd1133403585755aec6f65c39ee86f7eae0d68d0916793ff39aaac938a3932bc63700e05e69
- SSDEEP 12288:WSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:VvO2xJKRw2kOkxSkW298B
- TLSH T1CDF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5436 a5c65bb8 - 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 4584 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe Destination IP 4 223.5.5.5 4584 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe Destination IP 43 114.114.114.114 4584 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe Destination IP 44 223.5.5.5 4584 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\a5c65bb8 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a5c65bb8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a5c65bb8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a5c65bb8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a5c65bb8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a5c65bb8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a5c65bb8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a5c65bb8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a5c65bb8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a5c65bb8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a5c65bb8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a5c65bb8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a5c65bb8 -
resource yara_rule behavioral1/memory/4584-0-0x00000000009D0000-0x0000000000A5C000-memory.dmp upx behavioral1/files/0x000f0000000231f3-2.dat upx behavioral1/memory/5436-4-0x00000000000D0000-0x000000000015C000-memory.dmp upx behavioral1/memory/4584-16-0x00000000009D0000-0x0000000000A5C000-memory.dmp upx behavioral1/memory/5436-17-0x00000000000D0000-0x000000000015C000-memory.dmp upx behavioral1/memory/5436-28-0x00000000000D0000-0x000000000015C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5d10f8 a5c65bb8 File opened for modification C:\Windows\4e7ad0 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.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 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a5c65bb8 - 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 a5c65bb8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a5c65bb8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a5c65bb8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a5c65bb8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a5c65bb8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a5c65bb8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a5c65bb8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a5c65bb8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a5c65bb8 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5436 a5c65bb8 5436 a5c65bb8 5436 a5c65bb8 5436 a5c65bb8 5436 a5c65bb8 5436 a5c65bb8 5436 a5c65bb8 5436 a5c65bb8 4584 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe 4584 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe 4584 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe 4584 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe 4584 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe 4584 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4584 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe Token: SeTcbPrivilege 4584 415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe Token: SeDebugPrivilege 5436 a5c65bb8 Token: SeTcbPrivilege 5436 a5c65bb8
Processes
-
C:\Users\Admin\AppData\Local\Temp\415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.exe"C:\Users\Admin\AppData\Local\Temp\415d5f8f357afec0cf099530da5cdd50b782e15775f65daf78f98666a0ba7a69.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:4584
-
C:\Windows\Syswow64\a5c65bb8C:\Windows\Syswow64\a5c65bb81⤵
- 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:5436
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a5c65bb8
- Size 761KB
- SHA256 d5a16755279b4ee6299f8473d11c4d6bf679788cc5d2beaa51c4a76fa5a975b7
- MD5 b0ca506ca1d806bfe3a5cda65d639f37
- SHA1 20a0fca3ac4a12f2126387118e24c60152a9d5ae
- SHA512 d3e1a9ca01ad9660dfb09462888a3e13f162779141ee9e05816bb6b601f694422eafd52b7b1a439223de9ca5c7b6157a749906501d24eb2bbbb5268954447639
- SSDEEP 12288:LSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:+vO2xJKRw2kOkxSkW298B
- TLSH T1B7F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH