Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
16/04/2026, 22:31
Behavioral task
behavioral1
Sample
5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe
- Size 832KB
- Sample260416-2fmaksft2t
- SHA256 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1
- MD5 b5e00f2973bf114ab75362e932873e3b
- SHA1 9a454bd43e54d020d871bd0bd4642f4140cad0cc
- SHA512 f077012065f86dfbca0ebec99168c1e22a282219fcc3a73110932cc0c7b597dd027de5d82eb4f95f7b4074b19436ac6fdfee4c8edae164079ee2efe21c48e366
- SSDEEP 12288:gqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybAsLAkQ:gjHPOSOkx2LFscUQPxuZ98Es8kQ
- TLSH T1ED059D21E202C13AD49701B2C6BE0BAFA5687D15432561C7E3D87D6A2FB61D2BE3171F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3348 fff931d3 - Unexpected DNS network traffic destination 14 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 197 114.114.114.114 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe Destination IP 198 223.5.5.5 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe Destination IP 255 223.5.5.5 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe Destination IP 2 223.5.5.5 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe Destination IP 36 223.5.5.5 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe Destination IP 62 114.114.114.114 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe Destination IP 63 223.5.5.5 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe Destination IP 129 223.5.5.5 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe Destination IP 254 114.114.114.114 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe Destination IP 1 114.114.114.114 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe Destination IP 35 114.114.114.114 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe Destination IP 121 114.114.114.114 3348 fff931d3 Destination IP 122 114.114.114.114 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe Destination IP 123 223.5.5.5 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft fff931d3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fff931d3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache fff931d3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fff931d3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fff931d3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fff931d3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE fff931d3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 fff931d3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fff931d3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fff931d3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 fff931d3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies fff931d3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData fff931d3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content fff931d3 File created C:\Windows\SysWOW64\fff931d3 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe -
resource yara_rule behavioral2/memory/3952-0-0x00000000001B0000-0x0000000000239000-memory.dmp upx behavioral2/memory/3348-3-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral2/files/0x000e000000028e7a-2.dat upx behavioral2/memory/3952-18-0x00000000001B0000-0x0000000000239000-memory.dmp upx behavioral2/memory/3348-20-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral2/memory/3348-21-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral2/memory/3952-38-0x00000000001B0000-0x0000000000239000-memory.dmp upx behavioral2/memory/3348-39-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral2/memory/3952-42-0x00000000001B0000-0x0000000000239000-memory.dmp upx behavioral2/memory/3348-47-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral2/memory/3348-48-0x0000000000E40000-0x0000000000EC9000-memory.dmp upx behavioral2/memory/3952-53-0x00000000001B0000-0x0000000000239000-memory.dmp upx behavioral2/memory/3952-54-0x00000000001B0000-0x0000000000239000-memory.dmp upx behavioral2/memory/3952-56-0x00000000001B0000-0x0000000000239000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3951a8 fff931d3 File opened for modification C:\Windows\43a8e0 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.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 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fff931d3 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing fff931d3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix fff931d3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" fff931d3 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ fff931d3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" fff931d3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" fff931d3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" fff931d3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" fff931d3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" fff931d3 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3348 fff931d3 3348 fff931d3 3348 fff931d3 3348 fff931d3 3348 fff931d3 3348 fff931d3 3348 fff931d3 3348 fff931d3 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe Token: SeTcbPrivilege 3952 5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe Token: SeDebugPrivilege 3348 fff931d3 Token: SeTcbPrivilege 3348 fff931d3
Processes
-
C:\Users\Admin\AppData\Local\Temp\5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.exe"C:\Users\Admin\AppData\Local\Temp\5f96cc9f7c33e98d931f93f228ef5067449aa255eba676bc766dd73094a4a3c1.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:3952
-
C:\Windows\Syswow64\fff931d3C:\Windows\Syswow64\fff931d31⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:3348
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\fff931d3
- Size 832KB
- SHA256 38c62c5281117cff8e9e37aca2ebfe72bacd6ccb18bb6ef026b054f543bd7366
- MD5 b68fe693e187c8f699cedae3a4bc0989
- SHA1 1da0a88b68dc7a9de5f75220230bb359891bf1c2
- SHA512 2028043bbfe4f0187910bc7e7397c7d0ed67914e1c2badf264ec09537ce1a685659cdedf991c8c078bfdf4c78691917116cbd20d36bcc2cc05f6bff843da01c1
- SSDEEP 12288:dqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybAsLAkQ:djHPOSOkx2LFscUQPxuZ98Es8kQ
- TLSH T1D9059D21E202C13AD49701B2C6BE0BAFA5687D15432561C7E3D87D6A2FB61D2BE3171F
- MD5 SHA1 SHA512 SSDEEP TLSH