Analysis
- max time kernel
148s - 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, 23:14
Behavioral task
behavioral1
Sample
6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe
- Size 1.7MB
- Sample260809-2772csxbre
- SHA256 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21
- MD5 a65a83a001b0db988faaa101066629e0
- SHA1 7f9d3558fcc19a824cf3b89ca80031a4a6da447b
- SHA512 a142c2742171913b75d42b805150a61d428cdfdb3b4996658cd85415fe7a935eccdb5d30f824c96636f3f9da20935eb8df9961036a7cee06b75f2c227fca81fa
- SSDEEP 24576:YvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:YHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T179858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5232 87ccb7a6 - 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 2 223.5.5.5 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe Destination IP 14 114.114.114.114 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe Destination IP 15 223.5.5.5 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe Destination IP 1 114.114.114.114 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 87ccb7a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 87ccb7a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 87ccb7a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 87ccb7a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 87ccb7a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 87ccb7a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 87ccb7a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 87ccb7a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 87ccb7a6 File created C:\Windows\SysWOW64\87ccb7a6 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 87ccb7a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 87ccb7a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 87ccb7a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 87ccb7a6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 87ccb7a6 -
resource yara_rule behavioral2/memory/3404-0-0x00000000006D0000-0x000000000075C000-memory.dmp upx behavioral2/files/0x000800000001b83c-2.dat upx behavioral2/memory/5232-3-0x0000000000600000-0x000000000068C000-memory.dmp upx behavioral2/memory/3404-18-0x00000000006D0000-0x000000000075C000-memory.dmp upx behavioral2/memory/5232-19-0x0000000000600000-0x000000000068C000-memory.dmp upx behavioral2/memory/5232-31-0x0000000000600000-0x000000000068C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5992e0 87ccb7a6 File opened for modification C:\Windows\3a4718 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.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 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 87ccb7a6 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 87ccb7a6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 87ccb7a6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 87ccb7a6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 87ccb7a6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 87ccb7a6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 87ccb7a6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 87ccb7a6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 87ccb7a6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 87ccb7a6 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5232 87ccb7a6 5232 87ccb7a6 5232 87ccb7a6 5232 87ccb7a6 5232 87ccb7a6 5232 87ccb7a6 5232 87ccb7a6 5232 87ccb7a6 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe Token: SeTcbPrivilege 3404 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe Token: SeDebugPrivilege 5232 87ccb7a6 Token: SeTcbPrivilege 5232 87ccb7a6
Processes
-
C:\Users\Admin\AppData\Local\Temp\6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe"C:\Users\Admin\AppData\Local\Temp\6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.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:3404
-
C:\Windows\Syswow64\87ccb7a6C:\Windows\Syswow64\87ccb7a61⤵
- 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:5232
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:5760
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\87ccb7a6
- Size 1.7MB
- SHA256 5902314cdbe0a7ff64960b970d1ce8ef8373e062b7f7824c3d335ffb1ae947a4
- MD5 4b298d5ab186a550e47437e6f5120f8f
- SHA1 c13f0de56efeae8d97cf6ac56a21b856873de08d
- SHA512 76526c66cbe64e0b3cb045aea6cac01a48e044cd12d778804273e4dec2f01364427169b56f5aeba91488fa8b961e449d5e1d5a0f7e23dae0ebe9085bfd12cd6a
- SSDEEP 24576:MvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:MHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T18D858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH