Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
10/08/2026, 22:30
Behavioral task
behavioral1
Sample
9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe
- Size 2.5MB
- Sample260810-2e6mtsvxex
- SHA256 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83
- MD5 ade218ac2d5952d55e3c449d13c698b0
- SHA1 a30dcd62ca947af1e3ff51f2fad1485e886e8bb8
- SHA512 430310530d60dc3dc00d8dbb164335527cc589e7ed230a8d551d7d39cda09b6153e2b92389b60a8e57c22e61657917d9529ee63eb7c41e1e49808a7b5e06691c
- SSDEEP 49152:bHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:bnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T12DC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1188 491e3c7c - 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 3948 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe Destination IP 4 223.5.5.5 3948 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe Destination IP 32 114.114.114.114 3948 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe Destination IP 33 223.5.5.5 3948 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 491e3c7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 491e3c7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 491e3c7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 491e3c7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 491e3c7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 491e3c7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 491e3c7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 491e3c7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 491e3c7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 491e3c7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 491e3c7c File created C:\Windows\SysWOW64\491e3c7c 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 491e3c7c -
resource yara_rule behavioral1/memory/3948-0-0x0000000000A60000-0x0000000000AEC000-memory.dmp upx behavioral1/files/0x000800000002452f-2.dat upx behavioral1/memory/1188-4-0x0000000000CE0000-0x0000000000D6C000-memory.dmp upx behavioral1/memory/3948-12-0x0000000000A60000-0x0000000000AEC000-memory.dmp upx behavioral1/memory/1188-13-0x0000000000CE0000-0x0000000000D6C000-memory.dmp upx behavioral1/memory/1188-30-0x0000000000CE0000-0x0000000000D6C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1456c8 491e3c7c File opened for modification C:\Windows\439758 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.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 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 491e3c7c - 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\History\CachePrefix = "Visited:" 491e3c7c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 491e3c7c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 491e3c7c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 491e3c7c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 491e3c7c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 491e3c7c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 491e3c7c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 491e3c7c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 491e3c7c - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 1188 491e3c7c 1188 491e3c7c 1188 491e3c7c 1188 491e3c7c 1188 491e3c7c 1188 491e3c7c 1188 491e3c7c 1188 491e3c7c 1188 491e3c7c 1188 491e3c7c 1188 491e3c7c 1188 491e3c7c 3948 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe 3948 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe 3948 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe 3948 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe 3948 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe 3948 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3948 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe Token: SeTcbPrivilege 3948 9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe Token: SeDebugPrivilege 1188 491e3c7c Token: SeTcbPrivilege 1188 491e3c7c
Processes
-
C:\Users\Admin\AppData\Local\Temp\9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.exe"C:\Users\Admin\AppData\Local\Temp\9b9a5fef397ecb9f0333cc6b3d9bc0598e159e66ee5375081a02f71ad18fae83.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:3948
-
C:\Windows\Syswow64\491e3c7cC:\Windows\Syswow64\491e3c7c1⤵
- 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:1188
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\491e3c7c
- Size 2.5MB
- SHA256 bf71d0d2d45f994cbacdf548d7e85ee9f44f17442fa2103658b29a827b2d09c9
- MD5 e8ab75fef2fdf3a9130e2b62832dd14a
- SHA1 e63babd564815c7274d145f228740bc9a79f88e8
- SHA512 4429da5032c21939ca3cb59b92bdca3066c10e28d399601733d181eafe4ba455abe31047d33cf3025e7bb0950709a761195c40e1022d0300026029de9fe4de2c
- SSDEEP 49152:cHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:cnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T153C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH