Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
07/07/2026, 01:38
Behavioral task
behavioral1
Sample
d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe
Resource
win11ltsc2024-20260706-en
windows11-ltsc_2024-x64
18 signatures
150 seconds
General
- Target d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe
- Size 525KB
- Sample260707-b2ff2sft6x
- SHA256 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6
- MD5 26cd80f306f46a9cf110e970cd7587c0
- SHA1 ae9a3a4266a83f5955e3f3d57fbd20d867283376
- SHA512 fafd5002aa40d370bb6ecd1bd84039097a010e13eaaecb9ad16833abf6b925ec2526eeaae85924ed04bd7bee2d3c5f2448b98b58b0fa3a16cdbbe33f68e2d421
- SSDEEP 6144:ecTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:eSvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T1BAB47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1096 87275e94 - 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 53 114.114.114.114 1144 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe Destination IP 54 223.5.5.5 1144 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe Destination IP 3 114.114.114.114 1144 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe Destination IP 4 223.5.5.5 1144 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 87275e94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 87275e94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 87275e94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 87275e94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 87275e94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 87275e94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 87275e94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 87275e94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 87275e94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 87275e94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 87275e94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 87275e94 File created C:\Windows\SysWOW64\87275e94 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 87275e94 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 87275e94 -
resource yara_rule behavioral1/memory/1144-0-0x00000000004B0000-0x000000000053C000-memory.dmp upx behavioral1/memory/1096-4-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral1/files/0x000b000000024323-3.dat upx behavioral1/memory/1144-18-0x00000000004B0000-0x000000000053C000-memory.dmp upx behavioral1/memory/1096-19-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral1/memory/1096-30-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1395f0 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe File opened for modification C:\Windows\12c390 87275e94 - 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 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 87275e94 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 87275e94 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 87275e94 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 87275e94 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 87275e94 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 87275e94 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 87275e94 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 87275e94 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 87275e94 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 87275e94 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1096 87275e94 1096 87275e94 1096 87275e94 1096 87275e94 1096 87275e94 1096 87275e94 1096 87275e94 1096 87275e94 1144 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe 1144 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe 1144 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe 1144 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe 1144 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe 1144 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1144 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe Token: SeTcbPrivilege 1144 d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe Token: SeDebugPrivilege 1096 87275e94 Token: SeTcbPrivilege 1096 87275e94
Processes
-
C:\Users\Admin\AppData\Local\Temp\d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.exe"C:\Users\Admin\AppData\Local\Temp\d4f57823f03f4d44a06edc422b558bf0fb39fd5b1ca570c8674ca7a2f4987ae6.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\87275e94C:\Windows\Syswow64\87275e941⤵
- 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:1096
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\87275e94
- Size 525KB
- SHA256 2b06ddd291428f7a82ec6e7291614ff40b6a68f7f52131b7de193bf9c40c3ca8
- MD5 26e4a9ce92e155b91ea799799b51d163
- SHA1 bb1e2d12127efb6fe6ce621abe1ccbb19f97ec74
- SHA512 dcaf94eabecff15b573a0df03a7a0587f15035ac8abfa270fd9b7f1d16aa2be66d020a1e7228dadab513077ec17515c18c9b601c584d0ed8a5631d0bf8408773
- SSDEEP 6144:ycTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K:ySvO2x9mONvKRwLSFtsOkx2LIa+y
- TLSH T17CB47D2AB6A0D076C4779579C4A257BAFBB1742137204ACFA390475A1F237E2BE3530D
- MD5 SHA1 SHA512 SSDEEP TLSH