Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 3200 c25299f1 - 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 4396 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe Destination IP 4 223.5.5.5 4396 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe Destination IP 26 114.114.114.114 4396 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe Destination IP 27 223.5.5.5 4396 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe - Drops file in System32 directory 11 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c25299f1 File created C:\Windows\SysWOW64\c25299f1 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c25299f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c25299f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c25299f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c25299f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c25299f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c25299f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c25299f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c25299f1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c25299f1 -
resource yara_rule behavioral1/memory/4396-0-0x0000000000F20000-0x0000000000FAC000-memory.dmp upx behavioral1/memory/3200-4-0x0000000000780000-0x000000000080C000-memory.dmp upx behavioral1/files/0x0014000000024469-3.dat upx behavioral1/memory/4396-10-0x0000000000F20000-0x0000000000FAC000-memory.dmp upx behavioral1/memory/3200-11-0x0000000000780000-0x000000000080C000-memory.dmp upx behavioral1/memory/3200-25-0x0000000000780000-0x000000000080C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\36c900 c25299f1 File opened for modification C:\Windows\4b42d8 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 c25299f1 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c25299f1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c25299f1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c25299f1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c25299f1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c25299f1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c25299f1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c25299f1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c25299f1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c25299f1 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3200 c25299f1 3200 c25299f1 3200 c25299f1 3200 c25299f1 3200 c25299f1 3200 c25299f1 3200 c25299f1 3200 c25299f1 4396 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 4396 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 4396 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 4396 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 4396 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe 4396 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4396 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe Token: SeTcbPrivilege 4396 2f287147d2d26c8502dd8319c1afe6ef7df977035aa6505bb03ab5306bf7d3e5.exe Token: SeDebugPrivilege 3200 c25299f1 Token: SeTcbPrivilege 3200 c25299f1
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:4396
-
C:\Windows\Syswow64\c25299f1C:\Windows\Syswow64\c25299f11⤵
- 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:3200
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c25299f1
- Size 560KB
- SHA256 4ca8bdb47cb80ccc0d77cf1f8da228261d4a62dfe70ab8cae3c41bf6774c96a0
- MD5 4da78eb27f469b9aaa845ac87497b807
- SHA1 129ea74001b383588c4e5185a48413b247629948
- SHA512 5fbec07b2b56c2e40234e783d2824527ebae766b3b39b49f57ec1e6aab08a993b0605b3d8e9b61e297652eb5557bb75be6d4dd99adf9b8244d0c52ff16b0ac31
- SSDEEP 6144:cWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRuy8K:ckCO2zVPX7vf1LKlIsOkxHy
- TLSH T14BC47C29B690D076C4779574C4A187AAFAB1B432372449CFB3D00B5A1F237E2BA7530E
- MD5 SHA1 SHA512 SSDEEP TLSH