Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
23/04/2026, 18:44
Behavioral task
behavioral1
Sample
6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe
- Size 548KB
- Sample260423-xdz2faew5k
- SHA256 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3
- MD5 1f7d573c099ec9f6b0df398e117bd251
- SHA1 a3a525bd4f7ebd7960a318b7f667f266d131683a
- SHA512 4e2e209ba924cfc4b8f6c4f250d68cfaff39e500e1429dc899f8a7d4ea89ff0536a74bb9e3bdf2b3553a857eb40b7f1a062d0952ab3582a907823a07b2d2db06
- SSDEEP 12288:DkbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:IbOgbEqy9RKejHPOwOkx2LF
- TLSH T157C4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3116 bec087c2 - 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 2488 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe Destination IP 2 223.5.5.5 2488 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe Destination IP 12 114.114.114.114 2488 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe Destination IP 13 223.5.5.5 2488 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe - Drops file in System32 directory 15 IoCs
description ioc Process File created C:\Windows\SysWOW64\bec087c2 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 bec087c2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 bec087c2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content bec087c2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bec087c2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 bec087c2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache bec087c2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft bec087c2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData bec087c2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bec087c2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE bec087c2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies bec087c2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 bec087c2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bec087c2 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bec087c2 -
resource yara_rule behavioral2/memory/2488-0-0x0000000000950000-0x00000000009D9000-memory.dmp upx behavioral2/files/0x000a00000000d352-2.dat upx behavioral2/memory/3116-4-0x0000000000D20000-0x0000000000DA9000-memory.dmp upx behavioral2/memory/2488-18-0x0000000000950000-0x00000000009D9000-memory.dmp upx behavioral2/memory/3116-20-0x0000000000D20000-0x0000000000DA9000-memory.dmp upx behavioral2/memory/3116-21-0x0000000000D20000-0x0000000000DA9000-memory.dmp upx behavioral2/memory/2488-36-0x0000000000950000-0x00000000009D9000-memory.dmp upx behavioral2/memory/3116-37-0x0000000000D20000-0x0000000000DA9000-memory.dmp upx behavioral2/memory/2488-40-0x0000000000950000-0x00000000009D9000-memory.dmp upx behavioral2/memory/2488-44-0x0000000000950000-0x00000000009D9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2a9870 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe File opened for modification C:\Windows\3558d8 bec087c2 - 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 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bec087c2 - 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:" bec087c2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ bec087c2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" bec087c2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" bec087c2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" bec087c2 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" bec087c2 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing bec087c2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix bec087c2 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" bec087c2 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3116 bec087c2 3116 bec087c2 3116 bec087c2 3116 bec087c2 3116 bec087c2 3116 bec087c2 3116 bec087c2 3116 bec087c2 2488 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe 2488 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe 2488 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe 2488 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe 2488 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe 2488 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2488 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe Token: SeTcbPrivilege 2488 6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe Token: SeDebugPrivilege 3116 bec087c2 Token: SeTcbPrivilege 3116 bec087c2
Processes
-
C:\Users\Admin\AppData\Local\Temp\6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.exe"C:\Users\Admin\AppData\Local\Temp\6853038fc2a21483a0634636a83d58b1ed73478228556df3a1e090b81710dee3.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:2488
-
C:\Windows\Syswow64\bec087c2C:\Windows\Syswow64\bec087c21⤵
- 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:3116
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\bec087c2
- Size 548KB
- SHA256 bbf2f39e427e0e577243f8d0b71015eceeb1d4163ba61c0a1e81521206b0af7d
- MD5 56491be62c0b84d974634e055db10f39
- SHA1 07d69afc32d2aeae7df4e3577ee091a92bcf5a53
- SHA512 91b647abe7e33ad9b05b5261d578d89da91d1720e1c6409a9a5c0a9e8f495b2bcf08fc259a07c740bb4dd3f2be756a2152056033803a9c2988cf6dddeb7a04e3
- SSDEEP 12288:LkbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:wbOgbEqy9RKejHPOwOkx2LF
- TLSH T1C8C4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH