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
05/08/2026, 00:56
Behavioral task
behavioral1
Sample
140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe
- Size 832KB
- Sample260805-bafmqsbc69
- SHA256 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85
- MD5 e14c4aa53d5fe06db1047a954bdc473d
- SHA1 5730a85e370a3ba94a0fdb55fdb94b8c528a82dc
- SHA512 4d2a200c20e668b68d37c2a9a659d86e3af9885fee002b751c9cdc395b426aa112a24613c94ee9ca15d3d4539b11b3c555a7751ab06149c07e2ab419bc8d6ddc
- SSDEEP 12288:qqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybAsLAkQ:qjHPOSOkx2LFscUQPxuZ98Es8kQ
- TLSH T1E8059D21E202C13AD49701B2C6BE0BAFA5687D15432561C7E3D87D6A2FB61D2BE3171F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1356 aa87982a - 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 3900 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe Destination IP 4 223.5.5.5 3900 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe Destination IP 31 114.114.114.114 3900 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe Destination IP 32 223.5.5.5 3900 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe - Drops file in System32 directory 17 IoCs
description ioc Process File created C:\Windows\SysWOW64\aa87982a 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE aa87982a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 aa87982a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C aa87982a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft aa87982a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache aa87982a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData aa87982a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C aa87982a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 aa87982a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 aa87982a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 aa87982a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies aa87982a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 aa87982a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content aa87982a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 aa87982a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 aa87982a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 aa87982a -
resource yara_rule behavioral1/memory/3900-0-0x0000000000D30000-0x0000000000DB9000-memory.dmp upx behavioral1/files/0x000d000000024340-2.dat upx behavioral1/memory/1356-3-0x0000000000500000-0x0000000000589000-memory.dmp upx behavioral1/memory/3900-10-0x0000000000D30000-0x0000000000DB9000-memory.dmp upx behavioral1/memory/1356-13-0x0000000000500000-0x0000000000589000-memory.dmp upx behavioral1/memory/3900-11-0x0000000000D30000-0x0000000000DB9000-memory.dmp upx behavioral1/memory/3900-27-0x0000000000D30000-0x0000000000DB9000-memory.dmp upx behavioral1/memory/1356-28-0x0000000000500000-0x0000000000589000-memory.dmp upx behavioral1/memory/3900-52-0x0000000000D30000-0x0000000000DB9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\173718 aa87982a File opened for modification C:\Windows\42c4f8 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.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 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language aa87982a - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" aa87982a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" aa87982a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" aa87982a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" aa87982a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing aa87982a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix aa87982a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" aa87982a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ aa87982a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" aa87982a - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1356 aa87982a 1356 aa87982a 1356 aa87982a 1356 aa87982a 1356 aa87982a 1356 aa87982a 1356 aa87982a 1356 aa87982a 3900 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe 3900 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe 3900 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe 3900 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe 3900 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe 3900 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3900 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe Token: SeTcbPrivilege 3900 140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe Token: SeDebugPrivilege 1356 aa87982a Token: SeTcbPrivilege 1356 aa87982a
Processes
-
C:\Users\Admin\AppData\Local\Temp\140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.exe"C:\Users\Admin\AppData\Local\Temp\140354cc88d28f7fad458b5576878176df786fe39254a6e17c9e19819850cc85.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:3900
-
C:\Windows\Syswow64\aa87982aC:\Windows\Syswow64\aa87982a1⤵
- 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:1356
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\aa87982a
- Size 832KB
- SHA256 32071dcda3ff4b329bb8f2b52e9f994ed3f34e8e26a6f476b1b520595411cd2f
- MD5 6466029765b2c2f7429fab7fe179d89e
- SHA1 c75e80ee8793cc6c28939cffc536ac4cd9485f61
- SHA512 0392919b619254ccd7e553850083335319afa9ab48ccc5376b67de0061cf0b7628c2bda4cdcf53357ebaf7541f57e34e468e626478693b310f7882ea4a04e190
- SSDEEP 12288:cqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybAsLAkQ:cjHPOSOkx2LFscUQPxuZ98Es8kQ
- TLSH T102059D21E202C13AD49701B2C6BE0BAFA5687D15432561C7E3D87D6A2FB61D2BE3171F
- MD5 SHA1 SHA512 SSDEEP TLSH