Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/08/2026, 23:19
Behavioral task
behavioral1
Sample
af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe
- Size 560KB
- Sample260823-3a3wtabe33
- SHA256 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4
- MD5 42e971dc33440eb97380009314781a2e
- SHA1 68a87cf3b87ca183f47a901df8fc0088b6fd9462
- SHA512 0048da2f3c525b9196728bff2234b2f592a27491902120f944056e84001f54ee201a628702dde14456a028571caff1de56c2e6dab70cd6da87d34d475ea92a19
- SSDEEP 6144:l6UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:lO7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T126C46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3556 39b4991a - Unexpected DNS network traffic destination 18 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 2 223.5.5.5 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 92 223.5.5.5 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 151 114.114.114.114 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 233 223.5.5.5 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 288 114.114.114.114 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 289 223.5.5.5 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 373 223.5.5.5 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 35 114.114.114.114 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 36 223.5.5.5 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 91 114.114.114.114 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 319 223.5.5.5 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 1 114.114.114.114 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 152 223.5.5.5 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 372 114.114.114.114 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 90 114.114.114.114 3556 39b4991a Destination IP 96 223.5.5.5 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 231 114.114.114.114 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Destination IP 318 114.114.114.114 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 39b4991a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 39b4991a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 39b4991a File created C:\Windows\SysWOW64\39b4991a af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 39b4991a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 39b4991a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 39b4991a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 39b4991a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 39b4991a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 39b4991a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 39b4991a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 39b4991a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 39b4991a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 39b4991a File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 39b4991a -
resource yara_rule behavioral2/memory/4240-0-0x00000000003B0000-0x000000000043C000-memory.dmp upx behavioral2/files/0x000c000000016cd6-2.dat upx behavioral2/memory/3556-3-0x0000000000710000-0x000000000079C000-memory.dmp upx behavioral2/memory/4240-18-0x00000000003B0000-0x000000000043C000-memory.dmp upx behavioral2/memory/3556-19-0x0000000000710000-0x000000000079C000-memory.dmp upx behavioral2/memory/3556-40-0x0000000000710000-0x000000000079C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3ce148 39b4991a File opened for modification C:\Windows\489720 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.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 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 39b4991a - 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:" 39b4991a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 39b4991a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 39b4991a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 39b4991a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 39b4991a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 39b4991a Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 39b4991a Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 39b4991a Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 39b4991a - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3556 39b4991a 3556 39b4991a 3556 39b4991a 3556 39b4991a 3556 39b4991a 3556 39b4991a 3556 39b4991a 3556 39b4991a 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Token: SeTcbPrivilege 4240 af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe Token: SeDebugPrivilege 3556 39b4991a Token: SeTcbPrivilege 3556 39b4991a
Processes
-
C:\Users\Admin\AppData\Local\Temp\af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.exe"C:\Users\Admin\AppData\Local\Temp\af87ee8bc37f1c91617bd1b83fc8eb75f79aeb4d6e36cb5656a03ae00d19bbd4.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:4240
-
C:\Windows\Syswow64\39b4991aC:\Windows\Syswow64\39b4991a1⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:3556
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\39b4991a
- Size 560KB
- SHA256 82bd8ba86fd2e3e5a1f2328b74eaf6ca5fac20cae1933a440cb7c5f7bdf6a963
- MD5 c16aca1575db9797bd63d02ab9787c05
- SHA1 4d5f92274afd04a0eddeae6fc97c1dbda756e0e9
- SHA512 2d152471880525b2801c00d1b46e0e8fb39a2e7dc9eb97d2a135480ec1a00fc632b906c570fa05136553d1f2a39944ea787a3875aa96fe3beb662f5cde6a3eaf
- SSDEEP 6144:j6UE71cqQEoMr5C2iKLJChYSvL+8xPFxirGcEOkCybEaQRXr9HNdvOa+y8K:jO7OqQs42iKFChYSvL+8AsOkx2LIa+y
- TLSH T1AFC46C26B6A0D076C4B79574C4A28BA6FFB1742227244BCFA39047561F637E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH