Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 01:48
Behavioral task
behavioral1
Sample
de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe
- Size 525KB
- Sample260809-b8hvragc76
- SHA256 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621
- MD5 5dcc9215be71c34f5c2fdf0c10fbda00
- SHA1 0fa848184956411eff8b391141151d23aae3e656
- SHA512 dd36463841b65b8aa3154f7ba234af4e1d9714bf0d8ca70e7a66424a0ad4f86df000bb99f1f3684c94c7925d0677bd751ec3466481c6621bf437932b99960aa4
- SSDEEP 6144:jcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:jSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1D0B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1844 3cab9703 - 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 4 223.5.5.5 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe Destination IP 17 114.114.114.114 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe Destination IP 18 223.5.5.5 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe Destination IP 1 114.114.114.114 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.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 3cab9703 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3cab9703 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3cab9703 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3cab9703 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 3cab9703 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3cab9703 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3cab9703 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3cab9703 File created C:\Windows\SysWOW64\3cab9703 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3cab9703 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3cab9703 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3cab9703 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3cab9703 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3cab9703 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3cab9703 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 3cab9703 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3cab9703 -
resource yara_rule behavioral2/memory/4968-0-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral2/files/0x000c00000001b87e-2.dat upx behavioral2/memory/1844-3-0x00000000009F0000-0x0000000000A7C000-memory.dmp upx behavioral2/memory/4968-15-0x0000000000010000-0x000000000009C000-memory.dmp upx behavioral2/memory/1844-16-0x00000000009F0000-0x0000000000A7C000-memory.dmp upx behavioral2/memory/1844-30-0x00000000009F0000-0x0000000000A7C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1f91e8 3cab9703 File opened for modification C:\Windows\550dd0 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.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 3cab9703 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe - 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:" 3cab9703 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3cab9703 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3cab9703 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3cab9703 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3cab9703 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3cab9703 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3cab9703 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3cab9703 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3cab9703 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1844 3cab9703 1844 3cab9703 1844 3cab9703 1844 3cab9703 1844 3cab9703 1844 3cab9703 1844 3cab9703 1844 3cab9703 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe Token: SeTcbPrivilege 4968 de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe Token: SeDebugPrivilege 1844 3cab9703 Token: SeTcbPrivilege 1844 3cab9703
Processes
-
C:\Users\Admin\AppData\Local\Temp\de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.exe"C:\Users\Admin\AppData\Local\Temp\de583a26d947d37f5bda3d0d02648a29cee0c08c47f59058f21f673fc990a621.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:4968
-
C:\Windows\Syswow64\3cab9703C:\Windows\Syswow64\3cab97031⤵
- 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:1844
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\3cab9703
- Size 525KB
- SHA256 7297369abf0799d0fd0d63c5100cef4d2be4c45c2c273d690c4b7fa98325af0d
- MD5 8ac5e2e9d9b7f87037540b37daa463aa
- SHA1 407167d4f026ea5cb54589315feff46641a773e7
- SHA512 19773b9771c9e06e741b03248c3f36161a84916e97c40d3f68e18b8e01e7f193e51843ebb6b273487aaa7aceb5788037590669f28ed115d13256134a92858d68
- SSDEEP 6144:rcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:rSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T13BB47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH