Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/08/2026, 00:09
Behavioral task
behavioral1
Sample
1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe
- Size 560KB
- Sample260831-afsc2svsgx
- SHA256 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c
- MD5 498311f58ec72d0df861cd3556864675
- SHA1 1bb9bc6b3d2adc42e46681d715c8ce03eee4c54c
- SHA512 63997f8e2a60209ed4066756aeedad1cf60a9d2a55c7e894d946b2bf804f1f8c0386a953426ef5db87d83a27a82efe9f70e651e60a9a6d323cf5a215434b8b00
- SSDEEP 6144:R4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:RrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T107C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5008 a88c4420 - 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 17 223.5.5.5 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe Destination IP 3 114.114.114.114 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe Destination IP 6 223.5.5.5 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe Destination IP 16 114.114.114.114 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a88c4420 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a88c4420 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a88c4420 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a88c4420 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a88c4420 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a88c4420 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a88c4420 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a88c4420 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a88c4420 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C a88c4420 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a88c4420 File created C:\Windows\SysWOW64\a88c4420 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a88c4420 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a88c4420 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C a88c4420 -
resource yara_rule behavioral2/memory/5552-0-0x0000000000990000-0x0000000000A1C000-memory.dmp upx behavioral2/files/0x000d000000016cdc-2.dat upx behavioral2/memory/5008-3-0x0000000000F00000-0x0000000000F8C000-memory.dmp upx behavioral2/memory/5552-13-0x0000000000990000-0x0000000000A1C000-memory.dmp upx behavioral2/memory/5008-14-0x0000000000F00000-0x0000000000F8C000-memory.dmp upx behavioral2/memory/5008-36-0x0000000000F00000-0x0000000000F8C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5f0d60 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe File opened for modification C:\Windows\55bd20 a88c4420 - 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 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a88c4420 - 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" a88c4420 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a88c4420 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a88c4420 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a88c4420 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a88c4420 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a88c4420 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a88c4420 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a88c4420 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a88c4420 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5008 a88c4420 5008 a88c4420 5008 a88c4420 5008 a88c4420 5008 a88c4420 5008 a88c4420 5008 a88c4420 5008 a88c4420 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe Token: SeTcbPrivilege 5552 1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe Token: SeDebugPrivilege 5008 a88c4420 Token: SeTcbPrivilege 5008 a88c4420
Processes
-
C:\Users\Admin\AppData\Local\Temp\1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.exe"C:\Users\Admin\AppData\Local\Temp\1d144c99d0b0eed060f84fcbbe46309bc959bd891c8f98ff0394da418d16826c.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:5552
-
C:\Windows\Syswow64\a88c4420C:\Windows\Syswow64\a88c44201⤵
- 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:5008
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a88c4420
- Size 560KB
- SHA256 679aa9a29dc8922534aaf6931c95b50c5b84ee143391f5208777b68bef666021
- MD5 bcbd263d6e0ef9b3b51937f8319a6bfa
- SHA1 e77fe3a230b996d689895c948d345527e0d550f8
- SHA512 7b8da5faed2ebc744c994915df55105fa338550b84f88e6897e326473d4cd2d9d397dca06780c2414b14b81615650d62fb38556f8bf7420e28ae7ea16de501d1
- SSDEEP 6144:04ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:0rNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T12CC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH