Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
12/08/2026, 04:48
Behavioral task
behavioral1
Sample
31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe
- Size 640KB
- Sample260812-ffbm7awsdz
- SHA256 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96
- MD5 2ce409df55d1ac2f4f6cdd906d7d91d4
- SHA1 a07a45acb088512343080bfcca72b6dc2c733c54
- SHA512 29dcaaff61e580b6ae19a893aa72bcc694bf1c79a114f0532f6cebf755be77446b9f76b38746de7b97bf6ecd0edd129cb805d0517eaeeaee8690ee801d6f9a77
- SSDEEP 6144:HcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:HSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T10ED45B35A6808036C0B74631C6F64BAAF9B5BC21631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3264 76088ca4 - 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 4332 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe Destination IP 5 223.5.5.5 4332 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe Destination IP 22 114.114.114.114 4332 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe Destination IP 23 223.5.5.5 4332 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 76088ca4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 76088ca4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 76088ca4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 76088ca4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 76088ca4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 76088ca4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 76088ca4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 76088ca4 File created C:\Windows\SysWOW64\76088ca4 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 76088ca4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 76088ca4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 76088ca4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 76088ca4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 76088ca4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 76088ca4 -
resource yara_rule behavioral1/memory/4332-0-0x00000000003C0000-0x000000000044C000-memory.dmp upx behavioral1/files/0x00080000000243a0-2.dat upx behavioral1/memory/3264-4-0x0000000000BF0000-0x0000000000C7C000-memory.dmp upx behavioral1/memory/4332-10-0x00000000003C0000-0x000000000044C000-memory.dmp upx behavioral1/memory/3264-11-0x0000000000BF0000-0x0000000000C7C000-memory.dmp upx behavioral1/memory/3264-30-0x0000000000BF0000-0x0000000000C7C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\37e180 76088ca4 File opened for modification C:\Windows\4a2a58 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.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 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 76088ca4 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 76088ca4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 76088ca4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 76088ca4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 76088ca4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 76088ca4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 76088ca4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 76088ca4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 76088ca4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 76088ca4 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3264 76088ca4 3264 76088ca4 3264 76088ca4 3264 76088ca4 3264 76088ca4 3264 76088ca4 3264 76088ca4 3264 76088ca4 4332 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe 4332 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe 4332 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe 4332 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe 4332 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe 4332 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4332 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe Token: SeTcbPrivilege 4332 31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe Token: SeDebugPrivilege 3264 76088ca4 Token: SeTcbPrivilege 3264 76088ca4
Processes
-
C:\Users\Admin\AppData\Local\Temp\31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.exe"C:\Users\Admin\AppData\Local\Temp\31d1752d27dda61b425f6389d7ff987b3d8a33ab9cc206020965fc40c3148b96.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:4332
-
C:\Windows\Syswow64\76088ca4C:\Windows\Syswow64\76088ca41⤵
- 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:3264
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\76088ca4
- Size 640KB
- SHA256 b1cd98fda62b8318963171329066add506cc5e18b43fe5f00d57fca96c9a3a6a
- MD5 e87941c3a33a673d6cd9aa008fe9c73a
- SHA1 b5826b5a6352b6650b06f0b09591b17a58bf2a13
- SHA512 e60cbbe702773f3034d188ff8a9f42dc4852e016e09e90cd3e59df94cf37adb67ee75a453a28643406547703a38dcfa0d4f13c7895a4fa1bcce179320b36a492
- SSDEEP 6144:FcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:FSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T148D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH