Analysis
- max time kernel
148s - max time network
151s - 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, 23:17
Behavioral task
behavioral1
Sample
3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe
- Size 1.7MB
- Sample260823-291easbl6x
- SHA256 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594
- MD5 e7c5d8d73f6e957bc3611b318ae8abc7
- SHA1 18e6d8838f3e6ef0989ba8ef84fdaa52cd2dff69
- SHA512 e92906d1e6a13dc5c79ba3dfe97f95d454c7f2e2c573eb315b563a4e356f81e54b534a43aa6114e0d1355e2d0bdcbf44d2bdd7196cb577d53ea892abd200230f
- SSDEEP 24576:3vO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:3HHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T1B8858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1612 4e50afd7 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 69 223.5.5.5 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe Destination IP 1 114.114.114.114 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe Destination IP 4 223.5.5.5 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe Destination IP 30 114.114.114.114 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe Destination IP 31 223.5.5.5 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe Destination IP 68 114.114.114.114 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4e50afd7 File created C:\Windows\SysWOW64\4e50afd7 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4e50afd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4e50afd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4e50afd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4e50afd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4e50afd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4e50afd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4e50afd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4e50afd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4e50afd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4e50afd7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4e50afd7 -
resource yara_rule behavioral2/memory/5980-0-0x0000000000E50000-0x0000000000EDC000-memory.dmp upx behavioral2/memory/1612-4-0x0000000000240000-0x00000000002CC000-memory.dmp upx behavioral2/files/0x000a000000011390-3.dat upx behavioral2/memory/5980-16-0x0000000000E50000-0x0000000000EDC000-memory.dmp upx behavioral2/memory/1612-17-0x0000000000240000-0x00000000002CC000-memory.dmp upx behavioral2/memory/1612-32-0x0000000000240000-0x00000000002CC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1b9918 4e50afd7 File opened for modification C:\Windows\666138 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.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 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4e50afd7 - 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:" 4e50afd7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4e50afd7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4e50afd7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4e50afd7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4e50afd7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4e50afd7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 4e50afd7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4e50afd7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4e50afd7 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1612 4e50afd7 1612 4e50afd7 1612 4e50afd7 1612 4e50afd7 1612 4e50afd7 1612 4e50afd7 1612 4e50afd7 1612 4e50afd7 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe Token: SeTcbPrivilege 5980 3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe Token: SeDebugPrivilege 1612 4e50afd7 Token: SeTcbPrivilege 1612 4e50afd7
Processes
-
C:\Users\Admin\AppData\Local\Temp\3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.exe"C:\Users\Admin\AppData\Local\Temp\3537edc5e591273e229bda19258ee3e6dec4df72348ef0ae9e27d63cdfaf5594.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:5980
-
C:\Windows\Syswow64\4e50afd7C:\Windows\Syswow64\4e50afd71⤵
- 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:1612
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4e50afd7
- Size 1.7MB
- SHA256 c13c8ce7a225a39d4d28c5d0c6e0221c03ce77ebf8887185f2e3cc10fdc657e5
- MD5 9cf55ca19a2a404b68a411126af7e390
- SHA1 18288d2c8fa804b18c221a8d170ae046135997cd
- SHA512 0b03795b685050a9c42665f054b78d686188c00ab3432826b3873d92e057c65509a4b7188c319d2b31e6ec3e843e1c5453e4d3856baed2ba114f44e044ca80f1
- SSDEEP 24576:JvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:JHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T1DB858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH