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
09/08/2026, 19:48
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe
- Size 419KB
- Sample260809-yjhvsavcpg
- SHA256 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6
- MD5 3a0076c6959df2d444b69046000a8c0b
- SHA1 4a4acf912026a36933d598a6745a929f1d5c4c4c
- SHA512 6617e7381235c980d32d966f49a4ac9ec61b14fb14e79d54e74d8f7a3ac8b7fb8a89b8d5b90301ee9e384e1a6b105e5b16802e297fb021d45465738d4606bf2a
- SSDEEP 6144:58a+AjLd9fSZLC/umZjqDvjZFXcEOkCybEaQRXr9HNdvOa:Sa+4EZe/uwqDvDOkx2LIa
- TLSH T13F948D19FAA08036C5A38575C4A257A7FBB1752137209ACFA3A057561F237E3BD3630E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2140 90982df7 - 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 36 114.114.114.114 4928 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe Destination IP 37 223.5.5.5 4928 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe Destination IP 3 114.114.114.114 4928 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe Destination IP 4 223.5.5.5 4928 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 90982df7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 90982df7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 90982df7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 90982df7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 90982df7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 90982df7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 90982df7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 90982df7 File created C:\Windows\SysWOW64\90982df7 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 90982df7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 90982df7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 90982df7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 90982df7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 90982df7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 90982df7 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\24a338 90982df7 File opened for modification C:\Windows\545e80 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.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 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 90982df7 - 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 90982df7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 90982df7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 90982df7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 90982df7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 90982df7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 90982df7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 90982df7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 90982df7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 90982df7 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2140 90982df7 2140 90982df7 2140 90982df7 2140 90982df7 2140 90982df7 2140 90982df7 2140 90982df7 2140 90982df7 4928 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe 4928 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe 4928 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe 4928 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe 4928 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe 4928 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4928 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe Token: SeTcbPrivilege 4928 c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe Token: SeDebugPrivilege 2140 90982df7 Token: SeTcbPrivilege 2140 90982df7
Processes
-
C:\Users\Admin\AppData\Local\Temp\c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.exe"C:\Users\Admin\AppData\Local\Temp\c1f4790d4cfcf146ac855b109f07f54ad58e3b1c99a2a3feaa819e8bd3ea4af6.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:4928
-
C:\Windows\Syswow64\90982df7C:\Windows\Syswow64\90982df71⤵
- 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:2140
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\90982df7
- Size 419KB
- SHA256 fdbdc99c7592c03f4769b76553a0b14266543a38292ee974634c6dc07ac2ea6b
- MD5 b67cc30b155d5582b24326591e17e1a2
- SHA1 8f87701a63a327e9dbfdc09af2dd54876b808cd0
- SHA512 c414bb96563bfe18cdf6334bffdaaaec0a6c0745400af51df703f0bd9de7a7a7519b3ab1a7f30155820295b72c152449f0624b07e73e351eeb90e2797fcb879d
- SSDEEP 6144:98a+AjLd9fSZLC/umZjqDvjZFXcEOkCybEaQRXr9HNdvOa:Oa+4EZe/uwqDvDOkx2LIa
- TLSH T133948D19FAA08036C5A38575C4A257A7FBB1752137209ACFA3A057561F237E3BD3630E
- MD5 SHA1 SHA512 SSDEEP TLSH