Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/08/2026, 03:59
Behavioral task
behavioral1
Sample
9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe
- Size 640KB
- Sample260802-ej8lnacr31
- SHA256 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac
- MD5 1c18f85a169fd00f50ab66fa3ed79de0
- SHA1 35cd5a68d9fde9166d56d8e8f03a6d2ef2f51957
- SHA512 9e1b70208a2ac18a03faebfeed04fedaf95b27689f6dc98ae2dd1631a5622d6658dad5dceed7120b5f20dad4fbf1103c8d56fa60d1126a16b776e0493d01d3b2
- SSDEEP 6144:jcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:jSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T138D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3360 f748dc9c - 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 2368 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe Destination IP 4 223.5.5.5 2368 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe Destination IP 51 114.114.114.114 2368 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe Destination IP 52 223.5.5.5 2368 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f748dc9c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f748dc9c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f748dc9c File created C:\Windows\SysWOW64\f748dc9c 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f748dc9c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f748dc9c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f748dc9c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f748dc9c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f748dc9c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f748dc9c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f748dc9c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f748dc9c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f748dc9c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f748dc9c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f748dc9c -
resource yara_rule behavioral1/memory/2368-0-0x0000000000B70000-0x0000000000BFC000-memory.dmp upx behavioral1/files/0x000a00000002436c-2.dat upx behavioral1/memory/3360-4-0x0000000000130000-0x00000000001BC000-memory.dmp upx behavioral1/memory/2368-18-0x0000000000B70000-0x0000000000BFC000-memory.dmp upx behavioral1/memory/3360-19-0x0000000000130000-0x00000000001BC000-memory.dmp upx behavioral1/memory/3360-30-0x0000000000130000-0x00000000001BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\288a80 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe File opened for modification C:\Windows\398640 f748dc9c - 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 f748dc9c Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe - 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" f748dc9c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f748dc9c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f748dc9c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f748dc9c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f748dc9c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f748dc9c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f748dc9c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f748dc9c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f748dc9c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3360 f748dc9c 3360 f748dc9c 3360 f748dc9c 3360 f748dc9c 3360 f748dc9c 3360 f748dc9c 3360 f748dc9c 3360 f748dc9c 2368 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe 2368 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe 2368 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe 2368 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe 2368 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe 2368 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2368 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe Token: SeTcbPrivilege 2368 9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe Token: SeDebugPrivilege 3360 f748dc9c Token: SeTcbPrivilege 3360 f748dc9c
Processes
-
C:\Users\Admin\AppData\Local\Temp\9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.exe"C:\Users\Admin\AppData\Local\Temp\9310f275bf968cc1b60220c43455649d7a1540b64149670e5d10e814bff7a3ac.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:2368
-
C:\Windows\Syswow64\f748dc9cC:\Windows\Syswow64\f748dc9c1⤵
- 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:3360
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\f748dc9c
- Size 640KB
- SHA256 07b9a9885ff8e6e253c24a0e7c823cd3383d26cb86bcb9bf4a833920c823bf85
- MD5 35967864520293f3c37173edb2e2b724
- SHA1 e034e14c7f260b1cbfdd6e1b131f7862607d90f0
- SHA512 3032edf2518d14a0a04ecd51a5d760e23b09a2ca53192510122e47e3d0a505a604f6add1348ab52af55cb9c806b2b625aac53a5fc8bb417ea83c8d9c4a8438d5
- SSDEEP 6144:LcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:LSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T170D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH