Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
24/04/2026, 03:46
Behavioral task
behavioral1
Sample
b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe
- Size 761KB
- Sample260424-ebyrgsd15t
- SHA256 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17
- MD5 8c00ccc774805bc81366c2e2cd0759fd
- SHA1 2296088cb3f2c48cf141b5cb404d153cabeafd93
- SHA512 0889b1e62a43db19d620b689528a08c69057a9078e372700ef0bbdd772df0d178ee181accdc629cec28d83874f21f6874ac21141bd491974530e0fa487e0a05c
- SSDEEP 12288:FSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:kvO2xJKRw2kOkxSkW298B
- TLSH T1CAF49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2924 de8e6c60 - 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 39 223.5.5.5 1008 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe Destination IP 2 114.114.114.114 1008 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe Destination IP 4 223.5.5.5 1008 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe Destination IP 38 114.114.114.114 1008 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE de8e6c60 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 de8e6c60 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft de8e6c60 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 de8e6c60 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 de8e6c60 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies de8e6c60 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache de8e6c60 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData de8e6c60 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content de8e6c60 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 de8e6c60 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C de8e6c60 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C de8e6c60 File created C:\Windows\SysWOW64\de8e6c60 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe -
resource yara_rule behavioral1/memory/1008-0-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral1/files/0x000a0000000242ca-2.dat upx behavioral1/memory/2924-4-0x0000000000030000-0x00000000000BC000-memory.dmp upx behavioral1/memory/1008-13-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral1/memory/2924-14-0x0000000000030000-0x00000000000BC000-memory.dmp upx behavioral1/memory/2924-24-0x0000000000030000-0x00000000000BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\320f58 de8e6c60 File opened for modification C:\Windows\1141e0 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.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 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language de8e6c60 - 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\Content\CachePrefix de8e6c60 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" de8e6c60 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ de8e6c60 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" de8e6c60 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" de8e6c60 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" de8e6c60 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing de8e6c60 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" de8e6c60 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" de8e6c60 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2924 de8e6c60 2924 de8e6c60 2924 de8e6c60 2924 de8e6c60 2924 de8e6c60 2924 de8e6c60 2924 de8e6c60 2924 de8e6c60 1008 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe 1008 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe 1008 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe 1008 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe 1008 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe 1008 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1008 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe Token: SeTcbPrivilege 1008 b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe Token: SeDebugPrivilege 2924 de8e6c60 Token: SeTcbPrivilege 2924 de8e6c60
Processes
-
C:\Users\Admin\AppData\Local\Temp\b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.exe"C:\Users\Admin\AppData\Local\Temp\b165aff2f253be552f86deca42a67d808dadafcf818e5ae1af454015e1403e17.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:1008
-
C:\Windows\Syswow64\de8e6c60C:\Windows\Syswow64\de8e6c601⤵
- 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:2924
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\de8e6c60
- Size 761KB
- SHA256 c5c35e7ecb1014004e4283614a216de0c4822d949c5e131450823dc2daad62c1
- MD5 b3dbce1e22189c06513cd1a5fc10543c
- SHA1 b618a86745e2bac9467ed13c52855c7df21e64d4
- SHA512 7b9bbb80b709b68fbd8987c0ddcfa5cfc6c651028d9d8cb12605239ae46758cc6e9d02c310290c6512b5e7faaa5a9d5739841edba7d3c33eb6117a99f75d6494
- SSDEEP 12288:SSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:5vO2xJKRw2kOkxSkW298B
- TLSH T138F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH