Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 00:50
Behavioral task
behavioral1
Sample
2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe
- Size 560KB
- Sample260804-a6ymrazfmg
- SHA256 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5
- MD5 fca1bb1230d2ce112a823eb209bf9cce
- SHA1 85317817941f96d3f3f877b46256073ebfc1fa49
- SHA512 6800486296bcbc799ddacc594a0db30f769f3ac902f7936c332a3c406855cfdd34882a026500e0dd33edcdcaf7c34836b1386c66a61378c15183548301b9a02a
- SSDEEP 6144:rWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:rkCO2zVPX7vf1LKlIsOkxHy
- TLSH T1B2C47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1384 a7f2a377 - 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 18 114.114.114.114 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe Destination IP 19 223.5.5.5 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe Destination IP 1 114.114.114.114 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe Destination IP 4 223.5.5.5 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\a7f2a377 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a7f2a377 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a7f2a377 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a7f2a377 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a7f2a377 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a7f2a377 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a7f2a377 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a7f2a377 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a7f2a377 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a7f2a377 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a7f2a377 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a7f2a377 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a7f2a377 -
resource yara_rule behavioral2/memory/764-0-0x00000000002B0000-0x000000000033C000-memory.dmp upx behavioral2/files/0x0006000000016b3a-2.dat upx behavioral2/memory/1384-3-0x0000000000850000-0x00000000008DC000-memory.dmp upx behavioral2/memory/764-16-0x00000000002B0000-0x000000000033C000-memory.dmp upx behavioral2/memory/1384-17-0x0000000000850000-0x00000000008DC000-memory.dmp upx behavioral2/memory/1384-32-0x0000000000850000-0x00000000008DC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\17b1d0 a7f2a377 File opened for modification C:\Windows\d1478 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.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 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a7f2a377 - 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 a7f2a377 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" a7f2a377 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a7f2a377 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a7f2a377 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a7f2a377 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a7f2a377 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a7f2a377 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a7f2a377 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a7f2a377 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1384 a7f2a377 1384 a7f2a377 1384 a7f2a377 1384 a7f2a377 1384 a7f2a377 1384 a7f2a377 1384 a7f2a377 1384 a7f2a377 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe Token: SeTcbPrivilege 764 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe Token: SeDebugPrivilege 1384 a7f2a377 Token: SeTcbPrivilege 1384 a7f2a377
Processes
-
C:\Users\Admin\AppData\Local\Temp\2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe"C:\Users\Admin\AppData\Local\Temp\2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.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:764
-
C:\Windows\Syswow64\a7f2a377C:\Windows\Syswow64\a7f2a3771⤵
- 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:1384
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\a7f2a377
- Size 560KB
- SHA256 f1def2cf44ae52a986d66381234dc0aa8a2dfbcc6f4f9cc62cad27b22882034c
- MD5 69a5bf8a540465db69c2c3bdccf3119f
- SHA1 84b461d8c5a6e7cf853fb1393257b5a6f31fc9a9
- SHA512 16c528885446b0f8bac1c5e99324515eab369ff587327dc9c56816c725e47df3d076aa6e277e8f8aa3dff6c0c42caddffcc005f3f58ef4f00508d51380f8d2fd
- SSDEEP 6144:iWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:ikCO2zVPX7vf1LKlIsOkxHy
- TLSH T182C47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH