Analysis
- max time kernel
149s - max time network
151s - 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, 21:34
Behavioral task
behavioral1
Sample
7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe
- Size 4.4MB
- Sample260529-1ext9aez2z
- SHA256 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00
- MD5 0dc5451bb5bdf36dba657f1454f68741
- SHA1 6dfcdf5e23930fb2cc9091a0a8a36e6fea8b9012
- SHA512 c9ea8c456085b3f27888d1ddadb93e18de8971811d294fdef98cefc425c55f643f7882bd5b1b8377c8416e508fa2ae72fe4768e06f5de22d90ab3e652843ec41
- SSDEEP 49152:iTGkQ35QZuTtS0rQMYOQ+q8CEOTG4QwTGHQS9KFeM/:iKkwWsM0r1QnRK4xKH90Fem
- TLSH T1DB267B12F390C136C4AA473588BB439A6779FD214F2247CB67C477AE2E732C19E35A49
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2236 261223ea - 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 2 223.5.5.5 1328 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe Destination IP 18 114.114.114.114 1328 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe Destination IP 19 223.5.5.5 1328 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe Destination IP 1 114.114.114.114 1328 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 261223ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 261223ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 261223ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 261223ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 261223ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 261223ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 261223ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 261223ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 261223ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 261223ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 261223ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 261223ea File created C:\Windows\SysWOW64\261223ea 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 261223ea File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 261223ea -
resource yara_rule behavioral2/memory/1328-0-0x0000000000610000-0x0000000000699000-memory.dmp upx behavioral2/files/0x003000000002b37a-3.dat upx behavioral2/memory/2236-4-0x0000000000BC0000-0x0000000000C49000-memory.dmp upx behavioral2/memory/1328-18-0x0000000000610000-0x0000000000699000-memory.dmp upx behavioral2/memory/2236-20-0x0000000000BC0000-0x0000000000C49000-memory.dmp upx behavioral2/memory/2236-22-0x0000000000BC0000-0x0000000000C49000-memory.dmp upx behavioral2/memory/1328-29-0x0000000000610000-0x0000000000699000-memory.dmp upx behavioral2/memory/2236-30-0x0000000000BC0000-0x0000000000C49000-memory.dmp upx behavioral2/memory/2236-37-0x0000000000BC0000-0x0000000000C49000-memory.dmp upx behavioral2/memory/1328-49-0x0000000000610000-0x0000000000699000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2647f8 261223ea File opened for modification C:\Windows\16bc60 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.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 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 261223ea - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 261223ea Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 261223ea Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 261223ea Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 261223ea Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 261223ea Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 261223ea Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 261223ea Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 261223ea Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 261223ea - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2236 261223ea 2236 261223ea 2236 261223ea 2236 261223ea 2236 261223ea 2236 261223ea 2236 261223ea 2236 261223ea 1328 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe 1328 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe 1328 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe 1328 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe 1328 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe 1328 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1328 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe Token: SeTcbPrivilege 1328 7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe Token: SeDebugPrivilege 2236 261223ea Token: SeTcbPrivilege 2236 261223ea
Processes
-
C:\Users\Admin\AppData\Local\Temp\7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.exe"C:\Users\Admin\AppData\Local\Temp\7b4d8d69a5a3d8b311461b509c5622b74c8912edfa31a556fe30fe2ccb197e00.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:1328
-
C:\Windows\Syswow64\261223eaC:\Windows\Syswow64\261223ea1⤵
- 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:2236
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\261223ea
- Size 4.4MB
- SHA256 fc27db8d940b19f3c8a3f755609c03307599ea53785db5bc1c2781c553a9a048
- MD5 7832f4c2f3b4341a3a3fd33110c5dd7c
- SHA1 89c3e6669fd846667c78c6c96a08f518f8881d4c
- SHA512 96f4fbd107dcd32f46b893c2350c364bf5d3e5064f18c5ffd79ee862a5a28ba5daa3e3c226ca55ef6bbe560b2c65f1a95ce4b08d0f11aae090fb647f292d460a
- SSDEEP 49152:fTGkQ35QZuTtS0rQMYOQ+q8CEOTG4QwTGHQS9KFeM/:fKkwWsM0r1QnRK4xKH90Fem
- TLSH T1F0267B12F390C136C4AA473588BB439A6779FD214F2247CB67C477AE2E732C19E35A49
- MD5 SHA1 SHA512 SSDEEP TLSH