Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
29/05/2026, 03:24
Behavioral task
behavioral1
Sample
d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe
- Size 2.5MB
- Sample260529-dybd2aby4q
- SHA256 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52
- MD5 4824f161a6d3b6edf80c2b42d4a39a7f
- SHA1 f8fe4a141e0ddc694d7f861c5d5f1f73f5308194
- SHA512 b733d1a9fd7e03a13bf072e01c501884f419c68877ed4671f9e8d80623f0ac1416f6e29494437971c229eef79bb406e0595ee87a23bf13c7d0b95b5515195892
- SSDEEP 49152:qHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:qnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T1F1C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1100 c9952ea4 - 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 1448 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe Destination IP 2 223.5.5.5 1448 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe Destination IP 12 114.114.114.114 1448 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe Destination IP 13 223.5.5.5 1448 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.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\Content.IE5 c9952ea4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c9952ea4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c9952ea4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c9952ea4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c9952ea4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c9952ea4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c9952ea4 File created C:\Windows\SysWOW64\c9952ea4 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c9952ea4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c9952ea4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content c9952ea4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c9952ea4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c9952ea4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 c9952ea4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 c9952ea4 -
resource yara_rule behavioral2/memory/1448-0-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral2/files/0x000b00000002ace1-3.dat upx behavioral2/memory/1100-4-0x0000000000AD0000-0x0000000000B5C000-memory.dmp upx behavioral2/memory/1448-10-0x0000000000060000-0x00000000000EC000-memory.dmp upx behavioral2/memory/1100-11-0x0000000000AD0000-0x0000000000B5C000-memory.dmp upx behavioral2/memory/1100-30-0x0000000000AD0000-0x0000000000B5C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\18ca50 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe File opened for modification C:\Windows\12d518 c9952ea4 - 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 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c9952ea4 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c9952ea4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c9952ea4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c9952ea4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c9952ea4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c9952ea4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c9952ea4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c9952ea4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c9952ea4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c9952ea4 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1100 c9952ea4 1100 c9952ea4 1100 c9952ea4 1100 c9952ea4 1100 c9952ea4 1100 c9952ea4 1100 c9952ea4 1100 c9952ea4 1448 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe 1448 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe 1448 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe 1448 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe 1448 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe 1448 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1448 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe Token: SeTcbPrivilege 1448 d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe Token: SeDebugPrivilege 1100 c9952ea4 Token: SeTcbPrivilege 1100 c9952ea4
Processes
-
C:\Users\Admin\AppData\Local\Temp\d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.exe"C:\Users\Admin\AppData\Local\Temp\d4afb2f17f17c29b08ec3d2be479d8de4f813af2cd6d600b43e1cdaa39718a52.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:1448
-
C:\Windows\Syswow64\c9952ea4C:\Windows\Syswow64\c9952ea41⤵
- 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:1100
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c9952ea4
- Size 2.5MB
- SHA256 166a5d14458b4fdf05ad3540a50a2c0428a8f8ed251215f3abe8d283c507fd74
- MD5 3dfa369cf8335f0b66d7f491d87925e5
- SHA1 b8def329a4828e08ecef6f70492ee91daf5677a3
- SHA512 adb257da22d50c9ed43da32cc578905aa692367321c67153af6466df1ba00432109d7d76d4907a8ca63d1f383bda47339bd8fccff69d2981f050cbae496a4ada
- SSDEEP 49152:hHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtN:hnKGEkOhCXHHFZMjHfUKkVWsT
- TLSH T197C58E31E6818136D1B34671C6FA57BBA5247C211721A5CFA3C87A2A1F736D3AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH