Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
17/04/2026, 23:22
Behavioral task
behavioral1
Sample
78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe
- Size 560KB
- Sample260417-3ct2padt9t
- SHA256 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab
- MD5 098c3cc688bc6cd679f18403eb916e6c
- SHA1 bab9b2a64080be6d08e5705368b5c9820b3f0ecd
- SHA512 84bc9fc40557dd2bb9f23e362efda906d4b92230048b76e91361ccb238a47462d6c72b85adea800b532d953b28fa31f48fe167af75d6b163093a935d88ca2dbc
- SSDEEP 6144:PWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:PkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T199C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4040 1f388364 - 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 2 114.114.114.114 4144 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe Destination IP 3 223.5.5.5 4144 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe Destination IP 36 114.114.114.114 4144 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe Destination IP 37 223.5.5.5 4144 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe Destination IP 102 114.114.114.114 4144 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe Destination IP 103 223.5.5.5 4144 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.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 1f388364 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1f388364 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1f388364 File created C:\Windows\SysWOW64\1f388364 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1f388364 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1f388364 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1f388364 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1f388364 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1f388364 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1f388364 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1f388364 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1f388364 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1f388364 -
resource yara_rule behavioral1/memory/4144-0-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral1/files/0x000800000002451a-2.dat upx behavioral1/memory/4040-3-0x00000000005B0000-0x000000000063C000-memory.dmp upx behavioral1/memory/4144-16-0x0000000000EC0000-0x0000000000F4C000-memory.dmp upx behavioral1/memory/4040-18-0x00000000005B0000-0x000000000063C000-memory.dmp upx behavioral1/memory/4040-38-0x00000000005B0000-0x000000000063C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\452a90 1f388364 File opened for modification C:\Windows\46f260 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.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 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1f388364 - 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 1f388364 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1f388364 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1f388364 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1f388364 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1f388364 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1f388364 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1f388364 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1f388364 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1f388364 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4040 1f388364 4040 1f388364 4040 1f388364 4040 1f388364 4040 1f388364 4040 1f388364 4040 1f388364 4040 1f388364 4144 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe 4144 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe 4144 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe 4144 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe 4144 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe 4144 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4144 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe Token: SeTcbPrivilege 4144 78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe Token: SeDebugPrivilege 4040 1f388364 Token: SeTcbPrivilege 4040 1f388364
Processes
-
C:\Users\Admin\AppData\Local\Temp\78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.exe"C:\Users\Admin\AppData\Local\Temp\78bef0038ae1990d266648158a3171d0c5a26091bf2db597b5759539a966fdab.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:4144
-
C:\Windows\Syswow64\1f388364C:\Windows\Syswow64\1f3883641⤵
- 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:4040
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1f388364
- Size 560KB
- SHA256 94000bc48fe9975dedefe4ed3f2714b809613333f47dd53fce0410fc1ba9af52
- MD5 c3f6a2527f06e9f1b139af078c816fb8
- SHA1 0f82c0c057a4f377d96a96e4c93c46fb25b37aaf
- SHA512 5d68780b948ae23a6a217d206b1b0b89b62cf5acd65bc567ad2ce37f84a378b1e2aa01ce83a2fb4c78408c7b75381810f6d44aacc5e9f8d5fbaa29593b4490bb
- SSDEEP 6144:IWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:IkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T179C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH