Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/08/2026, 04:01
Behavioral task
behavioral1
Sample
8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe
- Size 525KB
- Sample260802-elfnnasye1
- SHA256 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a
- MD5 13c2133de1094960c713d93890f64f79
- SHA1 ce4374ea33b966429a58255aaef8663afeac1b22
- SHA512 4dbe53ce9d2372de601ae5b565741ad847cd1b39acba3f24fcd2935a973efffbbce474394c207b16db6f6971540e089bc3f6822d2bc29c32b43b9415414a2947
- SSDEEP 6144:VcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:VSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1A1B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2524 b94025d6 - 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 4752 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe Destination IP 4 223.5.5.5 4752 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe Destination IP 34 114.114.114.114 4752 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe Destination IP 37 223.5.5.5 4752 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.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\Content.IE5 b94025d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b94025d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b94025d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b94025d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b94025d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b94025d6 File created C:\Windows\SysWOW64\b94025d6 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b94025d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b94025d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b94025d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b94025d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b94025d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b94025d6 -
resource yara_rule behavioral1/memory/4752-0-0x0000000000330000-0x00000000003BC000-memory.dmp upx behavioral1/files/0x000b0000000240d6-2.dat upx behavioral1/memory/2524-3-0x00000000008B0000-0x000000000093C000-memory.dmp upx behavioral1/memory/4752-16-0x0000000000330000-0x00000000003BC000-memory.dmp upx behavioral1/memory/2524-17-0x00000000008B0000-0x000000000093C000-memory.dmp upx behavioral1/memory/2524-22-0x00000000008B0000-0x000000000093C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2b3638 b94025d6 File opened for modification C:\Windows\515b20 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.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 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b94025d6 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b94025d6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b94025d6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b94025d6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b94025d6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b94025d6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b94025d6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b94025d6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b94025d6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b94025d6 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2524 b94025d6 2524 b94025d6 2524 b94025d6 2524 b94025d6 2524 b94025d6 2524 b94025d6 2524 b94025d6 2524 b94025d6 4752 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe 4752 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe 4752 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe 4752 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe 4752 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe 4752 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4752 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe Token: SeTcbPrivilege 4752 8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe Token: SeDebugPrivilege 2524 b94025d6 Token: SeTcbPrivilege 2524 b94025d6
Processes
-
C:\Users\Admin\AppData\Local\Temp\8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.exe"C:\Users\Admin\AppData\Local\Temp\8852de8e6fa91796e070265997e511443ccba26cc42cd3dec7c9403c093d0d9a.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:4752
-
C:\Windows\Syswow64\b94025d6C:\Windows\Syswow64\b94025d61⤵
- 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:2524
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b94025d6
- Size 525KB
- SHA256 20c1600c10522b7982ed8291eec5d27aa03f4bcd1775387b3eec5000bd37e9ec
- MD5 8e11eaf3ae4506b66a0cd3e43adedc6f
- SHA1 566f7b2160884e00187a45bc4b996deff5cfab20
- SHA512 7d480d0ebcfd793662e8386d1d1c9d9b5d6d89daa29242b587edbd1c76b969bee692536aebe69bedc41f0e61359b3f8a1089ab60530ea9a64bbf151c42f0cf7a
- SSDEEP 6144:rcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:rSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T157B47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH