Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/09/2026, 18:34
Behavioral task
behavioral1
Sample
31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe
- Size 1.2MB
- Sample260924-w7tk3stxes
- SHA256 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd
- MD5 4266fe0480396eb25b6dced5d7fbbc7f
- SHA1 532a9fc44254ac9ae7107dfc8f5339dd4aa0abe0
- SHA512 b5b5571bdb17496ebddca88fb365aeea52c5a011e7c38ef78d8a440babb225bef1b80da4f87b5980fbabe5645a62ce1fedda7d592d8a97958100706fb5a293e9
- SSDEEP 24576:uvO2xJKRw2kOkx2LFRvhuZ98Es8k3OH3C0rQ6+y:uHHKe2WQXhuTtS0rQi
- TLSH T142559E31E641C036D4A70176C6B94BBFA578BD22072555CBE3D43A6A2F722D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5628 981b45d6 - Unexpected DNS network traffic destination 22 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 452 114.114.114.114 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 2 223.5.5.5 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 89 114.114.114.114 5628 981b45d6 Destination IP 176 114.114.114.114 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 281 223.5.5.5 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 345 223.5.5.5 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 453 223.5.5.5 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 1 114.114.114.114 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 36 223.5.5.5 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 144 114.114.114.114 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 230 114.114.114.114 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 231 223.5.5.5 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 279 114.114.114.114 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 145 223.5.5.5 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 177 223.5.5.5 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 398 114.114.114.114 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 35 114.114.114.114 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 91 223.5.5.5 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 312 114.114.114.114 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 313 223.5.5.5 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 344 114.114.114.114 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Destination IP 399 223.5.5.5 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.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\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 981b45d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 981b45d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 981b45d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 981b45d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 981b45d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 981b45d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 981b45d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 981b45d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 981b45d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 981b45d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 981b45d6 File created C:\Windows\SysWOW64\981b45d6 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 981b45d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 981b45d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 981b45d6 -
resource yara_rule behavioral2/memory/5104-0-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral2/memory/5628-3-0x0000000000530000-0x00000000005BC000-memory.dmp upx behavioral2/files/0x000500000000053e-4.dat upx behavioral2/memory/5104-20-0x0000000000C30000-0x0000000000CBC000-memory.dmp upx behavioral2/memory/5628-21-0x0000000000530000-0x00000000005BC000-memory.dmp upx behavioral2/memory/5628-44-0x0000000000530000-0x00000000005BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\605a78 981b45d6 File opened for modification C:\Windows\5761e0 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.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 981b45d6 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe - 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" 981b45d6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 981b45d6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 981b45d6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 981b45d6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 981b45d6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 981b45d6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 981b45d6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 981b45d6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 981b45d6 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5628 981b45d6 5628 981b45d6 5628 981b45d6 5628 981b45d6 5628 981b45d6 5628 981b45d6 5628 981b45d6 5628 981b45d6 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Token: SeTcbPrivilege 5104 31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe Token: SeDebugPrivilege 5628 981b45d6 Token: SeTcbPrivilege 5628 981b45d6
Processes
-
C:\Users\Admin\AppData\Local\Temp\31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.exe"C:\Users\Admin\AppData\Local\Temp\31fefc9ee9e021325f7232d9d26bec3ca9086203788b102748135f1c14a948bd.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:5104
-
C:\Windows\Syswow64\981b45d6C:\Windows\Syswow64\981b45d61⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:5628
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:3312
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\981b45d6
- Size 1.2MB
- SHA256 8397609749123c3918dc0ef6abdcc115b079823ba5ff1d5708a98f5f59aca666
- MD5 45b004d3af9f7198d18c267a88e87afb
- SHA1 f8e863733a9ed3eacd97d27c9cf30b4d54f8abbd
- SHA512 892651c18fd108abcc1d7da370cedbf388890cf483d3d2a9b9afff1c0ee1747781e4263be1126d2d92390fc2596828ea256f9728110eb81dd284902f450fe75c
- SSDEEP 24576:LvO2xJKRw2kOkx2LFRvhuZ98Es8k3OH3C0rQ6+y:LHHKe2WQXhuTtS0rQi
- TLSH T1D0559E31E641C036D4A70176C6B94BBFA578BD22072555CBE3D43A6A2F722D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH