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
16/04/2026, 15:19
Behavioral task
behavioral1
Sample
99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe
- Size 638KB
- Sample260416-sqdazsfx21
- SHA256 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5
- MD5 048f8bf53d09d484508a37748cf5cc0a
- SHA1 89fbf82e61f6bb813d34215f1540409a12dfc530
- SHA512 daadd60f61e9a52261c8255584663653a92eb2bb6211a0483f46eb7e98370fb0a71c5d3ec9a7b1a023e341798340be2b52d73709e0879defb4eef103ccdd5cae
- SSDEEP 6144:ZcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:ZSvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T1B2D46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4528 9d948328 - 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 3044 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe Destination IP 2 223.5.5.5 3044 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe Destination IP 14 114.114.114.114 3044 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe Destination IP 16 223.5.5.5 3044 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 9d948328 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 9d948328 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 9d948328 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9d948328 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9d948328 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 9d948328 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 9d948328 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 9d948328 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 9d948328 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9d948328 File created C:\Windows\SysWOW64\9d948328 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 9d948328 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 9d948328 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 9d948328 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9d948328 -
resource yara_rule behavioral2/memory/3044-0-0x0000000000210000-0x000000000029C000-memory.dmp upx behavioral2/files/0x001d00000002b1ed-2.dat upx behavioral2/memory/4528-4-0x0000000000AB0000-0x0000000000B3C000-memory.dmp upx behavioral2/memory/3044-18-0x0000000000210000-0x000000000029C000-memory.dmp upx behavioral2/memory/4528-20-0x0000000000AB0000-0x0000000000B3C000-memory.dmp upx behavioral2/memory/4528-34-0x0000000000AB0000-0x0000000000B3C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\341d48 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe File opened for modification C:\Windows\4d8560 9d948328 - 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 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9d948328 - 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:" 9d948328 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 9d948328 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 9d948328 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 9d948328 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 9d948328 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 9d948328 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 9d948328 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 9d948328 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 9d948328 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4528 9d948328 4528 9d948328 4528 9d948328 4528 9d948328 4528 9d948328 4528 9d948328 4528 9d948328 4528 9d948328 3044 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe 3044 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe 3044 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe 3044 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe 3044 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe 3044 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3044 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe Token: SeTcbPrivilege 3044 99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe Token: SeDebugPrivilege 4528 9d948328 Token: SeTcbPrivilege 4528 9d948328
Processes
-
C:\Users\Admin\AppData\Local\Temp\99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.exe"C:\Users\Admin\AppData\Local\Temp\99ce572631945f8df4227ea1840b701be3bae1358975add2f003791f421f47e5.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:3044
-
C:\Windows\Syswow64\9d948328C:\Windows\Syswow64\9d9483281⤵
- 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:4528
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\9d948328
- Size 638KB
- SHA256 2efd0de72edbeea61f48ac564d327c2c38ba6f751a8857ec59324cbd4c694b24
- MD5 844f00cab271bceab318297a868c4a78
- SHA1 479c240b70ff7efcb08a7f953381f40af279c85d
- SHA512 2aa2b8b074109ae2bf04748c89ad1a1b01141e35d390a4f8c294abc82ba965a2e965c81a9d0238bb06e71286eaabbab95692bb36edba8ad8b1a65258f667c6fe
- SSDEEP 6144:WcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:WSvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T164D46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH