Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
15/04/2026, 21:29
Behavioral task
behavioral1
Sample
455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe
- Size 560KB
- Sample260415-1cd95aaw4l
- SHA256 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2
- MD5 2f872d50f84d3054b966888b7234dbb3
- SHA1 a331771b21c6bf7943863b30abe1d5a1e866c00d
- SHA512 c57c43f65c6930bd6d8832c6f6eae8e8d70f4504ebda770f6a4606af5da985a0dcd414eee48acbc1546e2ce745f6ef2c27de894787435e0c207c132dae515614
- SSDEEP 6144:26UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:2O7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T18EC46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3412 36f9199a - 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 1 114.114.114.114 3440 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe Destination IP 2 223.5.5.5 3440 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe Destination IP 9 114.114.114.114 3440 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe Destination IP 10 223.5.5.5 3440 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe - Drops file in System32 directory 17 IoCs
description ioc Process File created C:\Windows\SysWOW64\36f9199a 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 36f9199a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 36f9199a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 36f9199a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 36f9199a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 36f9199a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 36f9199a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 36f9199a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 36f9199a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 36f9199a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 36f9199a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 36f9199a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 36f9199a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 36f9199a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 36f9199a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 36f9199a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 36f9199a -
resource yara_rule behavioral2/memory/3440-0-0x0000000000FC0000-0x000000000104C000-memory.dmp upx behavioral2/memory/3412-4-0x0000000000AC0000-0x0000000000B4C000-memory.dmp upx behavioral2/files/0x000700000000d3cf-3.dat upx behavioral2/memory/3440-10-0x0000000000FC0000-0x000000000104C000-memory.dmp upx behavioral2/memory/3412-11-0x0000000000AC0000-0x0000000000B4C000-memory.dmp upx behavioral2/memory/3412-31-0x0000000000AC0000-0x0000000000B4C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3a6a28 36f9199a File opened for modification C:\Windows\3ae4e0 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.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 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 36f9199a - 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 36f9199a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 36f9199a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 36f9199a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 36f9199a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 36f9199a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 36f9199a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 36f9199a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 36f9199a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 36f9199a - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3412 36f9199a 3412 36f9199a 3412 36f9199a 3412 36f9199a 3412 36f9199a 3412 36f9199a 3412 36f9199a 3412 36f9199a 3440 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe 3440 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe 3440 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe 3440 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe 3440 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe 3440 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3440 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe Token: SeTcbPrivilege 3440 455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe Token: SeDebugPrivilege 3412 36f9199a Token: SeTcbPrivilege 3412 36f9199a
Processes
-
C:\Users\Admin\AppData\Local\Temp\455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.exe"C:\Users\Admin\AppData\Local\Temp\455a15773ebdd6157c3919349b6cb0befebce412665c0f9f890d54d083d5b0d2.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:3440
-
C:\Windows\Syswow64\36f9199aC:\Windows\Syswow64\36f9199a1⤵
- 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:3412
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\36f9199a
- Size 560KB
- SHA256 3dcc81f9944389d939e71d1698ab2647be55a7bbf8c657edb7ea527ffed41eac
- MD5 84f9b19a9fd39ebf0467607e2e98cd58
- SHA1 634e856e7bd23cea5343eebe46a491cc336649f5
- SHA512 93a52f949ac6ab535b53410acdf5a18ab319a5771a310f2bcc8e381da6a588fc655ac22a6248de07c38b2553aca7b472554b2a773aad3aada3a6f5a2639edd7c
- SSDEEP 6144:H6UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:HO7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T198C46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH