Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
03/05/2026, 19:02
Behavioral task
behavioral1
Sample
d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe
- Size 2.5MB
- Sample260503-xp4trsa15j
- SHA256 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e
- MD5 efe9fc9ec1dbf851cbc3fcac7d21b9a2
- SHA1 c0ed5e8751adf5696a58ecb2e9b2c7cf407c132c
- SHA512 0503fdfca783493ced6ac77fcc680677daa493abfe62d944a1d9b62996fbdeacf0dc41a28dca79aa6ccc234ba57d4fb8e3656f8ba16deac3982d746223f6afad
- SSDEEP 49152:OHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:OnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T1BFC58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1220 39e85693 - 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 12 114.114.114.114 4828 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe Destination IP 13 223.5.5.5 4828 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe Destination IP 1 114.114.114.114 4828 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe Destination IP 2 223.5.5.5 4828 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 39e85693 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 39e85693 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 39e85693 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 39e85693 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 39e85693 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 39e85693 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 39e85693 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 39e85693 File created C:\Windows\SysWOW64\39e85693 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 39e85693 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 39e85693 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 39e85693 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 39e85693 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 39e85693 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 39e85693 -
resource yara_rule behavioral2/memory/4828-0-0x00000000003F0000-0x000000000047C000-memory.dmp upx behavioral2/files/0x001d00000002b1d4-2.dat upx behavioral2/memory/1220-4-0x0000000000690000-0x000000000071C000-memory.dmp upx behavioral2/memory/4828-10-0x00000000003F0000-0x000000000047C000-memory.dmp upx behavioral2/memory/1220-13-0x0000000000690000-0x000000000071C000-memory.dmp upx behavioral2/memory/1220-45-0x0000000000690000-0x000000000071C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\14e308 39e85693 File opened for modification C:\Windows\52a838 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.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 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 39e85693 - 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:" 39e85693 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 39e85693 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 39e85693 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 39e85693 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 39e85693 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 39e85693 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 39e85693 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 39e85693 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 39e85693 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1220 39e85693 1220 39e85693 1220 39e85693 1220 39e85693 1220 39e85693 1220 39e85693 1220 39e85693 1220 39e85693 4828 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe 4828 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe 4828 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe 4828 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe 4828 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe 4828 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4828 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe Token: SeTcbPrivilege 4828 d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe Token: SeDebugPrivilege 1220 39e85693 Token: SeTcbPrivilege 1220 39e85693
Processes
-
C:\Users\Admin\AppData\Local\Temp\d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.exe"C:\Users\Admin\AppData\Local\Temp\d3ec4ada2c8b6f6f615d2583638fefc81c63dd1a73386acc4a0815cfd74c2b4e.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:4828
-
C:\Windows\Syswow64\39e85693C:\Windows\Syswow64\39e856931⤵
- 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:1220
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\39e85693
- Size 2.5MB
- SHA256 e8044e074f18c5abfa6b038a4d48b238fde7acf8de401563b13f98f492b40d2f
- MD5 ab4af744265c0517a180021631a9a954
- SHA1 b0cff66a9b57f0349d4bef190a574374ad911cc3
- SHA512 b27f27392819e4c9791e785cf7ab0ef6e5ca30e8f97bf95325c127ea8beb10820aec8c3be6a76559ccc1732a79ae003b63e707540ea8acf2669e8278dce82313
- SSDEEP 49152:cHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:cnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T1B7C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH