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
06/05/2026, 19:32
Behavioral task
behavioral1
Sample
bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe
- Size 638KB
- Sample260506-x9areshs5x
- SHA256 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619
- MD5 64cd83bb878b9aaa1f4e9aa55e1f460e
- SHA1 7de314eae2006d236c23b733603341e5779e13ee
- SHA512 1b03da664dba1b6e726c2c34c82b62aaa5d82bb00bdfa3ab591d6b1a1ac9751b1fc33a8e1d2e0358c63a167ab5eee569a9a2c44681106eabfc104b5e60427187
- SSDEEP 6144:CcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:CSvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T16DD46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2988 f0b3a8a0 - 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 3168 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe Destination IP 2 223.5.5.5 3168 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe Destination IP 11 114.114.114.114 3168 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe Destination IP 12 223.5.5.5 3168 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f0b3a8a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f0b3a8a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f0b3a8a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f0b3a8a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f0b3a8a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f0b3a8a0 File created C:\Windows\SysWOW64\f0b3a8a0 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f0b3a8a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f0b3a8a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f0b3a8a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f0b3a8a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f0b3a8a0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f0b3a8a0 -
resource yara_rule behavioral2/memory/3168-0-0x0000000000CF0000-0x0000000000D7C000-memory.dmp upx behavioral2/files/0x003200000002b1cf-2.dat upx behavioral2/memory/2988-4-0x00000000009E0000-0x0000000000A6C000-memory.dmp upx behavioral2/memory/3168-10-0x0000000000CF0000-0x0000000000D7C000-memory.dmp upx behavioral2/memory/2988-11-0x00000000009E0000-0x0000000000A6C000-memory.dmp upx behavioral2/memory/2988-26-0x00000000009E0000-0x0000000000A6C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3327d8 f0b3a8a0 File opened for modification C:\Windows\363cc0 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.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 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f0b3a8a0 - 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\Cookies\CachePrefix = "Cookie:" f0b3a8a0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f0b3a8a0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f0b3a8a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f0b3a8a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f0b3a8a0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f0b3a8a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f0b3a8a0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f0b3a8a0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f0b3a8a0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2988 f0b3a8a0 2988 f0b3a8a0 2988 f0b3a8a0 2988 f0b3a8a0 2988 f0b3a8a0 2988 f0b3a8a0 2988 f0b3a8a0 2988 f0b3a8a0 3168 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe 3168 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe 3168 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe 3168 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe 3168 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe 3168 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3168 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe Token: SeTcbPrivilege 3168 bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe Token: SeDebugPrivilege 2988 f0b3a8a0 Token: SeTcbPrivilege 2988 f0b3a8a0
Processes
-
C:\Users\Admin\AppData\Local\Temp\bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.exe"C:\Users\Admin\AppData\Local\Temp\bd57710569ffbf828574a70c1fdfae449331ef0ba23b8128037f63226a586619.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:3168
-
C:\Windows\Syswow64\f0b3a8a0C:\Windows\Syswow64\f0b3a8a01⤵
- 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:2988
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f0b3a8a0
- Size 638KB
- SHA256 b41d09362e5caa219bcb7db312a0074505234cb9d7ae1c6b44428c2cad8d6c5c
- MD5 de6f184803ef8439cfcaa59133f26a36
- SHA1 4a335b6bff16629a5e89e5111be99d5e6b2e78c7
- SHA512 1a0cd11cb2ccf12b108ac9e94bebbe00abdb39f47e7474875ff7816ad8fc785c3ed5f1054fcd94aa2dae4c7615423e0b4b5b18d9e0454fd589d7701ce8d445b3
- SSDEEP 6144:IcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:ISvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T11ED46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH