Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 4388 bbb57365 - 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 3 114.114.114.114 4740 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe Destination IP 4 223.5.5.5 4740 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe Destination IP 46 114.114.114.114 4740 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe Destination IP 47 223.5.5.5 4740 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE bbb57365 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies bbb57365 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 bbb57365 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content bbb57365 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bbb57365 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 bbb57365 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft bbb57365 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache bbb57365 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData bbb57365 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bbb57365 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bbb57365 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bbb57365 File created C:\Windows\SysWOW64\bbb57365 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe -
resource yara_rule behavioral1/memory/4740-0-0x00000000003B0000-0x000000000043C000-memory.dmp upx behavioral1/files/0x00120000000243ca-2.dat upx behavioral1/memory/4388-3-0x0000000000D10000-0x0000000000D9C000-memory.dmp upx behavioral1/memory/4740-10-0x00000000003B0000-0x000000000043C000-memory.dmp upx behavioral1/memory/4388-11-0x0000000000D10000-0x0000000000D9C000-memory.dmp upx behavioral1/memory/4388-29-0x0000000000D10000-0x0000000000D9C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4b1fc8 bbb57365 File opened for modification C:\Windows\512688 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 bbb57365 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" bbb57365 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing bbb57365 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix bbb57365 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" bbb57365 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" bbb57365 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" bbb57365 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" bbb57365 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ bbb57365 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" bbb57365 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4388 bbb57365 4388 bbb57365 4388 bbb57365 4388 bbb57365 4388 bbb57365 4388 bbb57365 4388 bbb57365 4388 bbb57365 4740 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 4740 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 4740 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 4740 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 4740 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe 4740 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4740 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe Token: SeTcbPrivilege 4740 6fc7870a47f38c6127229b01d3c732a76cfb888b5a066dd70b027da253de8c21.exe Token: SeDebugPrivilege 4388 bbb57365 Token: SeTcbPrivilege 4388 bbb57365
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:4740
-
C:\Windows\Syswow64\bbb57365C:\Windows\Syswow64\bbb573651⤵
- 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:4388
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\bbb57365
- Size 1.7MB
- SHA256 8ef91205ba722e5c7aac001510a79ab56b6d54b4865bebfd25ec79bd5baabbd5
- MD5 521c582964404b38b3531a37af050e53
- SHA1 16e962c27344d39af7ab5c74a3e7d577966a95b9
- SHA512 151359bc55c82a37e81b60b0816b3acca179d15eebc86fa79671fe062d82325c0250a0f6578e1a25583848bba65f17d9b5938be1ec74986f27a7a3a5e7e68b54
- SSDEEP 24576:dvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:dHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T1B1858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH