Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
10/08/2026, 22:08
Behavioral task
behavioral1
Sample
ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe
- Size 830KB
- Sample260810-12khfavtcx
- SHA256 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b
- MD5 07baf4923c35b59b695d257ab3f8dae3
- SHA1 da914f3032811126e555b1ace81b74025bb46f78
- SHA512 6faa25454a139c9bbd3715d4239fe15fedc6729a716dc2e121cccae2c5528f614eedee11b2dd704d665048474ae274249d460adb850fb8591e4c2f9af5273e02
- SSDEEP 12288:0SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:HvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T11B055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4168 20ecb860 - 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 27 114.114.114.114 2576 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe Destination IP 28 223.5.5.5 2576 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe Destination IP 3 114.114.114.114 2576 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe Destination IP 4 223.5.5.5 2576 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 20ecb860 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 20ecb860 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 20ecb860 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 20ecb860 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 20ecb860 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 20ecb860 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 20ecb860 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 20ecb860 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 20ecb860 File created C:\Windows\SysWOW64\20ecb860 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 20ecb860 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 20ecb860 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 20ecb860 -
resource yara_rule behavioral1/memory/2576-0-0x00000000009A0000-0x0000000000A2C000-memory.dmp upx behavioral1/memory/4168-4-0x0000000000820000-0x00000000008AC000-memory.dmp upx behavioral1/files/0x000700000001dbc2-3.dat upx behavioral1/memory/2576-10-0x00000000009A0000-0x0000000000A2C000-memory.dmp upx behavioral1/memory/4168-11-0x0000000000820000-0x00000000008AC000-memory.dmp upx behavioral1/memory/4168-21-0x0000000000820000-0x00000000008AC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\475b90 20ecb860 File opened for modification C:\Windows\2c1a20 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.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 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 20ecb860 - 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 20ecb860 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 20ecb860 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 20ecb860 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 20ecb860 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 20ecb860 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 20ecb860 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 20ecb860 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 20ecb860 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 20ecb860 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4168 20ecb860 4168 20ecb860 4168 20ecb860 4168 20ecb860 4168 20ecb860 4168 20ecb860 4168 20ecb860 4168 20ecb860 2576 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2576 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2576 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2576 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2576 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe 2576 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2576 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe Token: SeTcbPrivilege 2576 ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe Token: SeDebugPrivilege 4168 20ecb860 Token: SeTcbPrivilege 4168 20ecb860
Processes
-
C:\Users\Admin\AppData\Local\Temp\ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.exe"C:\Users\Admin\AppData\Local\Temp\ffcd8949db140500df51f3f0a6324b784816fdc3b599bc1370b6fb39ece6d76b.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:2576
-
C:\Windows\Syswow64\20ecb860C:\Windows\Syswow64\20ecb8601⤵
- 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:4168
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\20ecb860
- Size 830KB
- SHA256 550f4c3c4bb9bfbe5f2df55ba2d3a99586318e43186ef4f31fb88049b4058743
- MD5 cbe5b6d522a0bdc3946e15004a0de8fd
- SHA1 979428ec23ee1e1c26f04b1acb29cc3db749ebc1
- SHA512 cdc8a13af03f183d30863f028dad82d081faf5e4007dbfd19521f0699b82990e48a43bdb0f4ff6cadc03319bf3eaaa2111a437a3be6ff138e6e2234917ea7609
- SSDEEP 12288:WSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:VvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T15D055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH