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
17/08/2026, 04:48
Behavioral task
behavioral1
Sample
3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe
- Size 768KB
- Sample260817-fffbdahe44
- SHA256 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257
- MD5 9eb25d7ce363810a26514e840185c1b2
- SHA1 9d9b343768e6d2f8672d26c02ab41f39dbea4757
- SHA512 67004381e62afba513a64720be23975f5e6b2930c332997cdda57f487286e564753b91b431c9293d23384e16cb285fdc9aa8e8027a7c30b7f37792534ea8d179
- SSDEEP 12288:BqXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:BjHPOSOkx2LFscU6UQOJdT
- TLSH T136F47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4520 41ced798 - 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 38 223.5.5.5 4228 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe Destination IP 3 114.114.114.114 4228 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe Destination IP 4 223.5.5.5 4228 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe Destination IP 33 114.114.114.114 4228 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.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\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 41ced798 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 41ced798 File created C:\Windows\SysWOW64\41ced798 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 41ced798 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 41ced798 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 41ced798 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 41ced798 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 41ced798 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 41ced798 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 41ced798 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 41ced798 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 41ced798 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 41ced798 -
resource yara_rule behavioral1/memory/4228-0-0x0000000000360000-0x00000000003E9000-memory.dmp upx behavioral1/files/0x000400000001dbe7-2.dat upx behavioral1/memory/4520-3-0x0000000000170000-0x00000000001F9000-memory.dmp upx behavioral1/memory/4228-10-0x0000000000360000-0x00000000003E9000-memory.dmp upx behavioral1/memory/4520-12-0x0000000000170000-0x00000000001F9000-memory.dmp upx behavioral1/memory/4228-28-0x0000000000360000-0x00000000003E9000-memory.dmp upx behavioral1/memory/4520-29-0x0000000000170000-0x00000000001F9000-memory.dmp upx behavioral1/memory/4228-49-0x0000000000360000-0x00000000003E9000-memory.dmp upx behavioral1/memory/4228-51-0x0000000000360000-0x00000000003E9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4d6250 41ced798 File opened for modification C:\Windows\486288 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.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 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 41ced798 - 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\Content\CachePrefix 41ced798 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 41ced798 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 41ced798 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 41ced798 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 41ced798 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 41ced798 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 41ced798 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 41ced798 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 41ced798 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4520 41ced798 4520 41ced798 4520 41ced798 4520 41ced798 4520 41ced798 4520 41ced798 4520 41ced798 4520 41ced798 4228 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 4228 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 4228 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 4228 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 4228 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe 4228 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4228 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe Token: SeTcbPrivilege 4228 3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe Token: SeDebugPrivilege 4520 41ced798 Token: SeTcbPrivilege 4520 41ced798
Processes
-
C:\Users\Admin\AppData\Local\Temp\3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.exe"C:\Users\Admin\AppData\Local\Temp\3ee87db1fbcdb63c713ecaacc743c78b8c5d1419c9d3d797deee0fee5d7c0257.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:4228
-
C:\Windows\Syswow64\41ced798C:\Windows\Syswow64\41ced7981⤵
- 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:4520
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\41ced798
- Size 768KB
- SHA256 ad2217370a0cc10625011b75c4be7afb026c183557fede8edde2bdbf36a0189d
- MD5 a0406b65ba37e5f828f52700acd6a4f3
- SHA1 f305385ab9c7c040eb2c016eb8d94d0a7267b498
- SHA512 53e7f62dccd6b7eebc5a672902880d0549a8c52edb9ab6c986c64c475cc2921ebcae8b8df383075df64e7259c074cc2889d95c592d5238ad6c7f09fd6620276f
- SSDEEP 12288:/qXUHkUXe39sOkx2LIan5FAQjU/LikGU5rCOTeidT:/jHPOSOkx2LFscU6UQOJdT
- TLSH T17EF47D31E241C036D6A74572C6FA4BBBA5247D25431161CBA7C4BA262FB76D2FA3130F
- MD5 SHA1 SHA512 SSDEEP TLSH