Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/08/2026, 20:56
Behavioral task
behavioral1
Sample
ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe
- Size 3.0MB
- Sample260810-zrfk3aybnf
- SHA256 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108
- MD5 c629340f62db67087fd661bf105f8634
- SHA1 f929141143249a73196576b864c9da55aa70f9cd
- SHA512 1ece282f66a2c6d35f99d6c4bb668b40b50cfcd567c6feb6a95c07655a5fddacb3e21577b9553dffda7e5acbdb8fa80e0ebaa045e4f711c01c98fb91250956ab
- SSDEEP 49152:KA/JuTQKqVmgbQIzZMPXpB91rHpn/qKmNAOaG6IOY/:1/whnLrHp/qKm2/Sb/
- TLSH T125E55953EB914AE8E39D0536DF544150E72AF2256BEF13A27428420DDE83387BF61A3D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4976 ea3bab40 - 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 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe Destination IP 2 223.5.5.5 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe Destination IP 12 114.114.114.114 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe Destination IP 13 223.5.5.5 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ea3bab40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 ea3bab40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache ea3bab40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 ea3bab40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ea3bab40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ea3bab40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ea3bab40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ea3bab40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ea3bab40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ea3bab40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C ea3bab40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ea3bab40 File created C:\Windows\SysWOW64\ea3bab40 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content ea3bab40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C ea3bab40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ea3bab40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ea3bab40 -
resource yara_rule behavioral2/memory/3324-0-0x0000000000DA0000-0x00000000010A5000-memory.dmp upx behavioral2/files/0x000b000000019caa-2.dat upx behavioral2/memory/4976-4-0x0000000000D10000-0x0000000001015000-memory.dmp upx behavioral2/memory/3324-10-0x0000000000DA0000-0x00000000010A5000-memory.dmp upx behavioral2/memory/4976-11-0x0000000000D10000-0x0000000001015000-memory.dmp upx behavioral2/memory/4976-23-0x0000000000D10000-0x0000000001015000-memory.dmp upx - 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 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ea3bab40 - 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:" ea3bab40 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ea3bab40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ea3bab40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" ea3bab40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ea3bab40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ea3bab40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ea3bab40 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ea3bab40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix ea3bab40 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4976 ea3bab40 4976 ea3bab40 4976 ea3bab40 4976 ea3bab40 4976 ea3bab40 4976 ea3bab40 4976 ea3bab40 4976 ea3bab40 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe Token: SeTcbPrivilege 3324 ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe Token: SeDebugPrivilege 4976 ea3bab40 Token: SeTcbPrivilege 4976 ea3bab40
Processes
-
C:\Users\Admin\AppData\Local\Temp\ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe"C:\Users\Admin\AppData\Local\Temp\ab8b488e9869d821a28bb56feaae41c634234c56536bdfccd6cb8a2167c8c108.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3324
-
C:\Windows\Syswow64\ea3bab40C:\Windows\Syswow64\ea3bab401⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4976
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ea3bab40
- Size 3.0MB
- SHA256 4ea74b92fbfc55b705a5e9de0c0ee445a6e36fc8a38003b604b0e363422190c2
- MD5 0828206e6b809f0d72228abd1d283738
- SHA1 1c512dd6489f123915ab5251655d3f313183f7f4
- SHA512 bb8146d594cfbc233b681dea662ad848dfc64d20b9f952e55d683e2daced43b6dc731f50ad7f31cee0cf4b2b267d39b79dc0e044c3d58693d162c2663e62a527
- SSDEEP 49152:VA/JuTQKqVmgbQIzZMPXpB91rHpn/qKmNAOaG6IOY/:y/whnLrHp/qKm2/Sb/
- TLSH T1D0E55953EB914AE8E39D0536DF544150E72AF2256BEF13A27428420DDE83387BF61A3D
- MD5 SHA1 SHA512 SSDEEP TLSH