Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
28/05/2026, 02:21
Behavioral task
behavioral1
Sample
4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe
- Size 560KB
- Sample260528-cs8a5sdx2r
- SHA256 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b
- MD5 6c9e7900f78a318fa2c5cd53bfeb6742
- SHA1 e74cee7c1576ca856772ecce4c7b55a404720f92
- SHA512 38326c46559ef2b1df809654c20a96c559816e76bb54a5974ce8f554d2e438c0afd2aad192748ed8ad80ddff4a07a900903d554380c209893c514ec4f6189251
- SSDEEP 6144:WWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:WkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T14EC47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5016 d4e69c98 - 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 1 114.114.114.114 3976 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe Destination IP 2 223.5.5.5 3976 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe Destination IP 12 114.114.114.114 3976 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe Destination IP 13 223.5.5.5 3976 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe - Drops file in System32 directory 17 IoCs
description ioc Process File created C:\Windows\SysWOW64\d4e69c98 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d4e69c98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d4e69c98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d4e69c98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d4e69c98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE d4e69c98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d4e69c98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d4e69c98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d4e69c98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d4e69c98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d4e69c98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d4e69c98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 d4e69c98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d4e69c98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d4e69c98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C d4e69c98 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C d4e69c98 -
resource yara_rule behavioral2/memory/3976-0-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral2/files/0x001000000002a985-2.dat upx behavioral2/memory/5016-4-0x0000000000310000-0x000000000039C000-memory.dmp upx behavioral2/memory/3976-15-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral2/memory/5016-16-0x0000000000310000-0x000000000039C000-memory.dmp upx behavioral2/memory/5016-26-0x0000000000310000-0x000000000039C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\441210 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe File opened for modification C:\Windows\55e030 d4e69c98 - 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 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d4e69c98 - 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 d4e69c98 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d4e69c98 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d4e69c98 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d4e69c98 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d4e69c98 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" d4e69c98 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d4e69c98 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d4e69c98 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d4e69c98 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5016 d4e69c98 5016 d4e69c98 5016 d4e69c98 5016 d4e69c98 5016 d4e69c98 5016 d4e69c98 5016 d4e69c98 5016 d4e69c98 3976 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe 3976 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe 3976 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe 3976 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe 3976 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe 3976 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3976 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe Token: SeTcbPrivilege 3976 4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe Token: SeDebugPrivilege 5016 d4e69c98 Token: SeTcbPrivilege 5016 d4e69c98
Processes
-
C:\Users\Admin\AppData\Local\Temp\4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.exe"C:\Users\Admin\AppData\Local\Temp\4d6d6b20a7c4c106c3afc1e93fb6df3be391f06701aa8f13b0142b020527c98b.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:3976
-
C:\Windows\Syswow64\d4e69c98C:\Windows\Syswow64\d4e69c981⤵
- 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:5016
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\d4e69c98
- Size 560KB
- SHA256 45a2644026daa3db49158542ee012ce45097010176e651ab37f947a9315c4036
- MD5 600f3ac5c04b2799dc6895b3fd74d5c3
- SHA1 faa367f9bc47c36c9e20431df771ff6b89b72d9b
- SHA512 1c6180afc022ce0bd35dafc546ab0a55d856cf0ba8fffd9395835673b5e7546f02fe6f2b5a5fa3a0b2b25f02636b3f877a4340ff9a596f335bfc55a67173d20d
- SSDEEP 6144:6WVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:6kCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T14BC47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH