Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/09/2026, 14:34
Behavioral task
behavioral1
Sample
f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe
- Size 766KB
- Sample260924-rxft1sfc32
- SHA256 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac
- MD5 9c1617f23138fcdfa7e64217df99ed97
- SHA1 33559ff465c19387a7aad192d20d98a5597c3a1a
- SHA512 028dffdd876bd0e3eb0e2b11b9e575bc3316f01e7c70a9ce05129f9e9c29be4fbe7947e745dffbb90cac8e3a812b4acf86494648fb2904ad9c209795081e7c68
- SSDEEP 12288:ASvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:bvO2xJKRw2kOkx2LFRvcUV
- TLSH T1CDF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3372 af7ffd2a - Unexpected DNS network traffic destination 27 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 439 223.5.5.5 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 3 114.114.114.114 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 39 114.114.114.114 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 93 114.114.114.114 3372 af7ffd2a Destination IP 181 223.5.5.5 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 234 114.114.114.114 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 382 114.114.114.114 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 383 223.5.5.5 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 587 114.114.114.114 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 8 223.5.5.5 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 40 223.5.5.5 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 149 223.5.5.5 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 235 223.5.5.5 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 288 114.114.114.114 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 319 223.5.5.5 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 353 223.5.5.5 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 497 223.5.5.5 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 289 223.5.5.5 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 318 114.114.114.114 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 352 114.114.114.114 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 496 114.114.114.114 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 527 114.114.114.114 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 528 223.5.5.5 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 94 223.5.5.5 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 148 114.114.114.114 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 180 114.114.114.114 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Destination IP 436 114.114.114.114 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.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\Content.IE5 af7ffd2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE af7ffd2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies af7ffd2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache af7ffd2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 af7ffd2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 af7ffd2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 af7ffd2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 af7ffd2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft af7ffd2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData af7ffd2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content af7ffd2a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 af7ffd2a File created C:\Windows\SysWOW64\af7ffd2a f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe -
resource yara_rule behavioral2/memory/3608-0-0x0000000000610000-0x000000000069C000-memory.dmp upx behavioral2/files/0x000900000001b302-2.dat upx behavioral2/memory/3372-3-0x0000000000830000-0x00000000008BC000-memory.dmp upx behavioral2/memory/3608-18-0x0000000000610000-0x000000000069C000-memory.dmp upx behavioral2/memory/3372-19-0x0000000000830000-0x00000000008BC000-memory.dmp upx behavioral2/memory/3372-44-0x0000000000830000-0x00000000008BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3dc530 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe File opened for modification C:\Windows\39bad8 af7ffd2a - 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 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language af7ffd2a - 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 af7ffd2a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" af7ffd2a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" af7ffd2a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" af7ffd2a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" af7ffd2a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" af7ffd2a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" af7ffd2a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ af7ffd2a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing af7ffd2a - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3372 af7ffd2a 3372 af7ffd2a 3372 af7ffd2a 3372 af7ffd2a 3372 af7ffd2a 3372 af7ffd2a 3372 af7ffd2a 3372 af7ffd2a 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Token: SeTcbPrivilege 3608 f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe Token: SeDebugPrivilege 3372 af7ffd2a Token: SeTcbPrivilege 3372 af7ffd2a
Processes
-
C:\Users\Admin\AppData\Local\Temp\f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.exe"C:\Users\Admin\AppData\Local\Temp\f621ad3bce2a2c1bcc06f1f8ce07587fac9206adecf3065679fd05ad7cae94ac.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:3608
-
C:\Windows\Syswow64\af7ffd2aC:\Windows\Syswow64\af7ffd2a1⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:3372
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\af7ffd2a
- Size 766KB
- SHA256 e46d93f3477823bc30db4e798f89801e2935aff13c1907bd3618e7d4df003429
- MD5 d054e7ff3492d5b293bfc0deda527dad
- SHA1 09bb61d8a95f8ebf65ccd33a4fe49c5b77189b54
- SHA512 bde60dd16d5ca02bae276393338b18d4d8d86ca9fd27395b52a2252d988ebbb4c20043335e3cb89a4f139556e187d6592808f30a86b9354780090166bbf616cb
- SSDEEP 12288:mSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:FvO2xJKRw2kOkx2LFRvcUV
- TLSH T102F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH