Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
29/07/2026, 21:23
Behavioral task
behavioral1
Sample
f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe
- Size 873KB
- Sample260729-z8fmdsshpg
- SHA256 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d
- MD5 5a36028d6a3f5858885f5f18765aead0
- SHA1 445bc0181b6f4a81eb146d0f24affc24867a05c2
- SHA512 09d50811c3d6d579d10440cb2457783b838f354957b5dba9bbc49e6336dbdddd24975a3527b712b8127dfd0294fd5c76f35aafb2651875fa795e65ab7540de80
- SSDEEP 12288:2SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:1vO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T106156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 636 4e524b14 - 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 34 223.5.5.5 1584 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe Destination IP 3 114.114.114.114 1584 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe Destination IP 4 223.5.5.5 1584 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe Destination IP 33 114.114.114.114 1584 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.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\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4e524b14 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4e524b14 File created C:\Windows\SysWOW64\4e524b14 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4e524b14 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4e524b14 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4e524b14 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4e524b14 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4e524b14 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4e524b14 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4e524b14 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4e524b14 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4e524b14 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4e524b14 -
resource yara_rule behavioral1/memory/1584-0-0x0000000000690000-0x000000000071C000-memory.dmp upx behavioral1/files/0x000c00000002428e-2.dat upx behavioral1/memory/636-3-0x0000000000180000-0x000000000020C000-memory.dmp upx behavioral1/memory/1584-16-0x0000000000690000-0x000000000071C000-memory.dmp upx behavioral1/memory/636-17-0x0000000000180000-0x000000000020C000-memory.dmp upx behavioral1/memory/636-28-0x0000000000180000-0x000000000020C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\ae378 4e524b14 File opened for modification C:\Windows\1b1e60 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.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 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4e524b14 - 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 4e524b14 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4e524b14 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4e524b14 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4e524b14 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4e524b14 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4e524b14 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4e524b14 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4e524b14 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4e524b14 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 636 4e524b14 636 4e524b14 636 4e524b14 636 4e524b14 636 4e524b14 636 4e524b14 636 4e524b14 636 4e524b14 1584 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe 1584 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe 1584 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe 1584 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe 1584 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe 1584 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1584 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe Token: SeTcbPrivilege 1584 f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe Token: SeDebugPrivilege 636 4e524b14 Token: SeTcbPrivilege 636 4e524b14
Processes
-
C:\Users\Admin\AppData\Local\Temp\f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.exe"C:\Users\Admin\AppData\Local\Temp\f1ea32c4417ee63ac962d97188c849736b33ea6eb9c881c6f3f699705025902d.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:1584
-
C:\Windows\Syswow64\4e524b14C:\Windows\Syswow64\4e524b141⤵
- 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:636
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4e524b14
- Size 873KB
- SHA256 65793d711205283ec6925f33e824c40396eab4ac791cb67b073d7a88d751e203
- MD5 c2ab0079a13a249a0c7fb7c8a39834b1
- SHA1 df0196914f28d3b8778160d777c64666d4b296a4
- SHA512 58213233c6ccedefc66be56967a874fa17a07187ccc0a7fde1dbef561db848d282473dfed31c34482a8562f0a0a149d984956aca6e9a0e9920df66de851c3b46
- SSDEEP 12288:tSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3uEW:svO2xJKRw2kOkx2LFRvcUQPxW
- TLSH T1E7156B31E641C036D0A34576C6FA4BBFE964BD25531165CBA3D43A262FB32D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH