Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
27/05/2026, 20:31
Behavioral task
behavioral1
Sample
d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe
- Size 2.9MB
- Sample260527-za5hvsbx21
- SHA256 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4
- MD5 39e8dc0fd1d7490654cb2389d92c2c94
- SHA1 2bfe55bd40d0c344975e9cf121966422d1c54f80
- SHA512 006bebaa38d3f9c3556a9e29c98adb2c37c0f4ba5dab632fbdfe3cafa26712dabce87d6e056602b029f10daefdabc7b9a044f3f9a4f6c75edbab894ead03124c
- SSDEEP 49152:vHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:vnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T1F7D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4100 116ea382 - 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 12 223.5.5.5 1144 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe Destination IP 1 114.114.114.114 1144 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe Destination IP 2 223.5.5.5 1144 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe Destination IP 11 114.114.114.114 1144 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 116ea382 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 116ea382 File created C:\Windows\SysWOW64\116ea382 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 116ea382 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 116ea382 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 116ea382 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 116ea382 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 116ea382 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 116ea382 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 116ea382 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 116ea382 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 116ea382 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 116ea382 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 116ea382 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 116ea382 -
resource yara_rule behavioral2/memory/1144-0-0x00000000003B0000-0x000000000043C000-memory.dmp upx behavioral2/memory/4100-3-0x0000000000990000-0x0000000000A1C000-memory.dmp upx behavioral2/files/0x0012000000025ad8-4.dat upx behavioral2/memory/1144-15-0x00000000003B0000-0x000000000043C000-memory.dmp upx behavioral2/memory/4100-16-0x0000000000990000-0x0000000000A1C000-memory.dmp upx behavioral2/memory/4100-26-0x0000000000990000-0x0000000000A1C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\463188 116ea382 File opened for modification C:\Windows\1395f0 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.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 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 116ea382 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 116ea382 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 116ea382 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 116ea382 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 116ea382 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 116ea382 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 116ea382 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 116ea382 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 116ea382 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 116ea382 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4100 116ea382 4100 116ea382 4100 116ea382 4100 116ea382 4100 116ea382 4100 116ea382 4100 116ea382 4100 116ea382 1144 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe 1144 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe 1144 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe 1144 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe 1144 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe 1144 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1144 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe Token: SeTcbPrivilege 1144 d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe Token: SeDebugPrivilege 4100 116ea382 Token: SeTcbPrivilege 4100 116ea382
Processes
-
C:\Users\Admin\AppData\Local\Temp\d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.exe"C:\Users\Admin\AppData\Local\Temp\d37963d689667f0df01b6a7ab28f7e874f6953bd316b51a53befce7e0f1addc4.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:1144
-
C:\Windows\Syswow64\116ea382C:\Windows\Syswow64\116ea3821⤵
- 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:4100
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\116ea382
- Size 2.9MB
- SHA256 42f92fd0ac4dc3b0d3207b9e4909b9bbf401767ebb6ddf3149ecf21232bf4032
- MD5 af8f92c903275bec92d87be95dac386f
- SHA1 87bf9521e041f8885dbe8e62d8b775e70a83f9cf
- SHA512 d0aa2517bd36339448b609735fc89829be7d845af0d86d6150f55ef3d75be8980479674d025e201d116f16359b555233b5b1dcd51830995b0a5ed6b1d68ff6bf
- SSDEEP 49152:pHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:pnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T12ED59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH