Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
28/05/2026, 10:43
Behavioral task
behavioral1
Sample
1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe
- Size 560KB
- Sample260528-msbbhsc19k
- SHA256 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9
- MD5 ea82f951b1f084e35cd36d95c4fdf5f5
- SHA1 e185ab8abe94dad53e3c492c17108d45c390d144
- SHA512 a98b5884db275d52fed002590f5b12f2ba6b147f70c83563c3ab7b61cc586e75df4b3a8145e8bb5f0ed3a89de2dfd72a7d41d89e7b1dcf351e8f7b2d07988d0f
- SSDEEP 12288:q3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:KVOL4/gPXKCOkx2LFR
- TLSH T1A4C46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2568 7cae9d7b - 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 11 114.114.114.114 3440 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe Destination IP 12 223.5.5.5 3440 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe Destination IP 1 114.114.114.114 3440 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe Destination IP 2 223.5.5.5 3440 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 7cae9d7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 7cae9d7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 7cae9d7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 7cae9d7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7cae9d7b File created C:\Windows\SysWOW64\7cae9d7b 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 7cae9d7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 7cae9d7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 7cae9d7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 7cae9d7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 7cae9d7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7cae9d7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 7cae9d7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 7cae9d7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 7cae9d7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 7cae9d7b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 7cae9d7b -
resource yara_rule behavioral2/memory/3440-0-0x0000000000980000-0x0000000000A0C000-memory.dmp upx behavioral2/files/0x002700000002b18b-2.dat upx behavioral2/memory/2568-3-0x0000000000640000-0x00000000006CC000-memory.dmp upx behavioral2/memory/3440-15-0x0000000000980000-0x0000000000A0C000-memory.dmp upx behavioral2/memory/2568-16-0x0000000000640000-0x00000000006CC000-memory.dmp upx behavioral2/memory/2568-33-0x0000000000640000-0x00000000006CC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2bf710 7cae9d7b File opened for modification C:\Windows\3ae4e0 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.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 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7cae9d7b - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 7cae9d7b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 7cae9d7b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 7cae9d7b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 7cae9d7b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 7cae9d7b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 7cae9d7b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 7cae9d7b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 7cae9d7b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 7cae9d7b - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2568 7cae9d7b 2568 7cae9d7b 2568 7cae9d7b 2568 7cae9d7b 2568 7cae9d7b 2568 7cae9d7b 2568 7cae9d7b 2568 7cae9d7b 3440 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe 3440 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe 3440 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe 3440 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe 3440 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe 3440 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3440 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe Token: SeTcbPrivilege 3440 1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe Token: SeDebugPrivilege 2568 7cae9d7b Token: SeTcbPrivilege 2568 7cae9d7b
Processes
-
C:\Users\Admin\AppData\Local\Temp\1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.exe"C:\Users\Admin\AppData\Local\Temp\1a956e730ce9578c8821891b65e3d0563a6ab945a8fbdb51c27a4186801166c9.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\7cae9d7bC:\Windows\Syswow64\7cae9d7b1⤵
- 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:2568
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\7cae9d7b
- Size 560KB
- SHA256 a2cb1c2be5513565f0177c6ad3c105f26c971b22d2bc49a5e05f0c5d039ce65e
- MD5 48fdec08d4a42b07105eb29952ce570d
- SHA1 ce21fdb87f3ce81edda9db713c9ec7c33014e645
- SHA512 916fc300e282feeb72dfd2fb25ccd4b1bcc598c0ddfff1d04b6f5fa860cbf5fc54a8267d65f0370dc0d4e85cbea8394ae167f26c4541f808173e6bba0e366788
- SSDEEP 12288:03Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:4VOL4/gPXKCOkx2LFR
- TLSH T109C46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH