Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
29/05/2026, 04:45
Behavioral task
behavioral1
Sample
b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe
- Size 1.4MB
- Sample260529-fdm87sc19x
- SHA256 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899
- MD5 fbc8647dee0b514db25173e5aee8d8cf
- SHA1 c96cda1c1975fde6f6351c118839eb487c793a1d
- SHA512 301de3069d4fb4780c4d319da333bd1e8ebddf27992445111ae7871d70d759e90f3899f141b5a23189d80d21dfe3b2273cf1855b9f91dca8df1f3af3a5dcdf2f
- SSDEEP 24576:kjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:kTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1CA658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2428 410e78c0 - 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 3988 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe Destination IP 2 223.5.5.5 3988 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe Destination IP 26 114.114.114.114 3988 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe Destination IP 27 223.5.5.5 3988 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 410e78c0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 410e78c0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 410e78c0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 410e78c0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 410e78c0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 410e78c0 File created C:\Windows\SysWOW64\410e78c0 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 410e78c0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 410e78c0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 410e78c0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 410e78c0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 410e78c0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 410e78c0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 410e78c0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 410e78c0 -
resource yara_rule behavioral2/memory/3988-0-0x0000000000940000-0x00000000009C9000-memory.dmp upx behavioral2/files/0x002900000002b31e-2.dat upx behavioral2/memory/2428-4-0x0000000000C00000-0x0000000000C89000-memory.dmp upx behavioral2/memory/3988-18-0x0000000000940000-0x00000000009C9000-memory.dmp upx behavioral2/memory/2428-21-0x0000000000C00000-0x0000000000C89000-memory.dmp upx behavioral2/memory/2428-25-0x0000000000C00000-0x0000000000C89000-memory.dmp upx behavioral2/memory/3988-36-0x0000000000940000-0x00000000009C9000-memory.dmp upx behavioral2/memory/2428-37-0x0000000000C00000-0x0000000000C89000-memory.dmp upx behavioral2/memory/3988-40-0x0000000000940000-0x00000000009C9000-memory.dmp upx behavioral2/memory/3988-44-0x0000000000940000-0x00000000009C9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\299178 410e78c0 File opened for modification C:\Windows\4446a8 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.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 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 410e78c0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 410e78c0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 410e78c0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 410e78c0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 410e78c0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 410e78c0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 410e78c0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 410e78c0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 410e78c0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 410e78c0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2428 410e78c0 2428 410e78c0 2428 410e78c0 2428 410e78c0 2428 410e78c0 2428 410e78c0 2428 410e78c0 2428 410e78c0 3988 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe 3988 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe 3988 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe 3988 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe 3988 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe 3988 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3988 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe Token: SeTcbPrivilege 3988 b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe Token: SeDebugPrivilege 2428 410e78c0 Token: SeTcbPrivilege 2428 410e78c0
Processes
-
C:\Users\Admin\AppData\Local\Temp\b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.exe"C:\Users\Admin\AppData\Local\Temp\b84494bab4d7a91d7ee7edb596fe26881671893dd990e624970be711b351e899.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:3988
-
C:\Windows\Syswow64\410e78c0C:\Windows\Syswow64\410e78c01⤵
- 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:2428
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\410e78c0
- Size 1.4MB
- SHA256 03c414928b0196b2e8ad064525e64d71ec9d818a8b5cec37d7398b26270c52b7
- MD5 87e598fcae0818f2c672661f5d13df11
- SHA1 79f1b4453aa2684786ebe103aefc80f3c50354b8
- SHA512 be04b46aa6ac69c486dffa1646334ef5d837cee11701ec76d3d863f3a24c95077cdb0aa15ac2afc44d97ee077ce439497e42f5893eeecab99dfb34d0f3aa01ef
- SSDEEP 24576:IjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:ITGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1A9658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH