Analysis
- max time kernel
148s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
11/07/2026, 11:13
Behavioral task
behavioral1
Sample
4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe
- Size 1.1MB
- Sample260711-nbfeksgz6j
- SHA256 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07
- MD5 f2035b345e916334b1292fcba30f68fc
- SHA1 62248306828dcc62fea3b59952ba11e275678033
- SHA512 588f1d4c1f9ec5095db09ef58241796745aee3f893d23cbe8d4f5e574bac648759f3e3cece89724b73b91a5958ea9e6142a5bd20a6ded7b79e81632de7f9979e
- SSDEEP 12288:TSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:mvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T10B357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4664 64773768 - 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 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe Destination IP 2 223.5.5.5 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe Destination IP 12 114.114.114.114 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe Destination IP 13 223.5.5.5 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 64773768 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 64773768 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 64773768 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 64773768 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 64773768 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 64773768 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 64773768 File created C:\Windows\SysWOW64\64773768 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 64773768 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 64773768 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 64773768 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 64773768 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 64773768 -
resource yara_rule behavioral2/memory/1984-0-0x0000000000E40000-0x0000000000ECC000-memory.dmp upx behavioral2/files/0x001200000001b664-2.dat upx behavioral2/memory/4664-3-0x0000000000270000-0x00000000002FC000-memory.dmp upx behavioral2/memory/1984-16-0x0000000000E40000-0x0000000000ECC000-memory.dmp upx behavioral2/memory/4664-17-0x0000000000270000-0x00000000002FC000-memory.dmp upx behavioral2/memory/4664-26-0x0000000000270000-0x00000000002FC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4fd970 64773768 File opened for modification C:\Windows\21f780 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.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 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 64773768 - 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" 64773768 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 64773768 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 64773768 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 64773768 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 64773768 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 64773768 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 64773768 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 64773768 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 64773768 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4664 64773768 4664 64773768 4664 64773768 4664 64773768 4664 64773768 4664 64773768 4664 64773768 4664 64773768 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe Token: SeTcbPrivilege 1984 4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe Token: SeDebugPrivilege 4664 64773768 Token: SeTcbPrivilege 4664 64773768
Processes
-
C:\Users\Admin\AppData\Local\Temp\4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.exe"C:\Users\Admin\AppData\Local\Temp\4f5ef644c928c72c49174d3602627f547c0942c8a2dae8e9e31b5ccd8bbedb07.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:1984
-
C:\Windows\Syswow64\64773768C:\Windows\Syswow64\647737681⤵
- 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:4664
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\64773768
- Size 1.1MB
- SHA256 a4f99a6e35a6bb12e6abdb7fd127eefc8d6fbe73118037fa5a2a29829d7e493b
- MD5 3f1f6edafee291727c1043874b46703c
- SHA1 5eb47bf91d82de591c0de66da5041e29333ae2ff
- SHA512 0cac0cb283e4277dddbf4220d592d29e3d5e0ea18680327d96cb76c3ac6de74feb1c5a0c818bd6acecb700549721e7b6d4fe496284c613863d973c48f02292e3
- SSDEEP 12288:ESvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:3vO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T114357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH