Analysis
- max time kernel
148s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/08/2026, 23:26
Behavioral task
behavioral1
Sample
1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe
- Size 640KB
- Sample260823-3ev2rsbm3s
- SHA256 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558
- MD5 5fce5883f1eddc6b4095857121b793ad
- SHA1 62e11502b01d9ba91378e1738925a77ff7867579
- SHA512 58fbe9293508691287b1a59c5f100b62c5f533b38e0bf95a62d7a4dcf5ca9c478cc8f640aa514b74a760ec4dc7f6cc9fdcdfa906e636791561c934a03f0009d5
- SSDEEP 6144:0cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:0SvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T19FD45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1200 576390f8 - Unexpected DNS network traffic destination 8 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 91 114.114.114.114 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe Destination IP 92 223.5.5.5 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe Destination IP 1 114.114.114.114 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe Destination IP 4 223.5.5.5 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe Destination IP 41 114.114.114.114 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe Destination IP 42 223.5.5.5 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe Destination IP 56 114.114.114.114 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe Destination IP 58 223.5.5.5 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe - Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\576390f8 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 576390f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 576390f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 576390f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 576390f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 576390f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 576390f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 576390f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 576390f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 576390f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 576390f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 576390f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 576390f8 -
resource yara_rule behavioral2/memory/4596-0-0x0000000000140000-0x00000000001CC000-memory.dmp upx behavioral2/memory/1200-3-0x0000000000E90000-0x0000000000F1C000-memory.dmp upx behavioral2/files/0x000700000001b858-4.dat upx behavioral2/memory/4596-16-0x0000000000140000-0x00000000001CC000-memory.dmp upx behavioral2/memory/1200-17-0x0000000000E90000-0x0000000000F1C000-memory.dmp upx behavioral2/memory/1200-34-0x0000000000E90000-0x0000000000F1C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\148b60 576390f8 File opened for modification C:\Windows\4eaf68 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.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 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 576390f8 - 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\Cookies\CachePrefix = "Cookie:" 576390f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 576390f8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 576390f8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 576390f8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 576390f8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 576390f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 576390f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 576390f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 576390f8 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1200 576390f8 1200 576390f8 1200 576390f8 1200 576390f8 1200 576390f8 1200 576390f8 1200 576390f8 1200 576390f8 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe Token: SeTcbPrivilege 4596 1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe Token: SeDebugPrivilege 1200 576390f8 Token: SeTcbPrivilege 1200 576390f8
Processes
-
C:\Users\Admin\AppData\Local\Temp\1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.exe"C:\Users\Admin\AppData\Local\Temp\1186c5c879dccb61be90c9d344571a4d20cd2da13dedff87fb99ed311d8f0558.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:4596
-
C:\Windows\Syswow64\576390f8C:\Windows\Syswow64\576390f81⤵
- 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:1200
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\576390f8
- Size 640KB
- SHA256 f813c5c27a43376644fee98c6ddcea3851182d1a236913e118d4ce77485e2167
- MD5 dd6bd7736581b029d9805f74347f5fbf
- SHA1 37745dbca6b43461dc9f916c045cf3e69b56a377
- SHA512 4e9178a795d35edc0ccac742d14befe49795d7a4ace179d06c08a7e3d7fb84dad722468828d0c0c9b9caf18a197a872be4d30f4f872e59f16172700fe96d7c43
- SSDEEP 6144:KcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:KSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T16AD45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH