Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 02:52
Behavioral task
behavioral1
Sample
1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe
- Size 832KB
- Sample260809-dcqltssxft
- SHA256 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438
- MD5 6c7d02f0686d8fb709452dae546be401
- SHA1 7dff661fa4fc1618fe778026d9a6014a062ed37f
- SHA512 ee6c748f557a39bbac5160fb9f4a72c06a1d0ff570aeb0bf07eeef1ef874327b95adf5dd185d836c6483a6be3f02187886f06a092c69715296de54a3ce747fd8
- SSDEEP 12288:NqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybAsLAkQ:NjHPOSOkx2LFscUQPxuZ98Es8kQ
- TLSH T1DA059D21E202C13AD49701B2C6BE0BAFA5687D15432561C7E3D87D6A2FB61D2BE3171F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 6076 271444b9 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 17 223.5.5.5 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe Destination IP 60 114.114.114.114 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe Destination IP 61 223.5.5.5 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe Destination IP 1 114.114.114.114 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe Destination IP 4 223.5.5.5 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe Destination IP 16 114.114.114.114 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 271444b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 271444b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 271444b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 271444b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 271444b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 271444b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 271444b9 File created C:\Windows\SysWOW64\271444b9 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 271444b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 271444b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 271444b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 271444b9 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 271444b9 -
resource yara_rule behavioral2/memory/2988-0-0x0000000000580000-0x0000000000609000-memory.dmp upx behavioral2/memory/6076-3-0x0000000000E80000-0x0000000000F09000-memory.dmp upx behavioral2/files/0x000600000001b714-2.dat upx behavioral2/memory/2988-16-0x0000000000580000-0x0000000000609000-memory.dmp upx behavioral2/memory/6076-18-0x0000000000E80000-0x0000000000F09000-memory.dmp upx behavioral2/memory/6076-22-0x0000000000E80000-0x0000000000F09000-memory.dmp upx behavioral2/memory/2988-31-0x0000000000580000-0x0000000000609000-memory.dmp upx behavioral2/memory/6076-32-0x0000000000E80000-0x0000000000F09000-memory.dmp upx behavioral2/memory/2988-55-0x0000000000580000-0x0000000000609000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\6805f8 271444b9 File opened for modification C:\Windows\3327d8 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.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 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 271444b9 - 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 271444b9 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 271444b9 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 271444b9 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 271444b9 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 271444b9 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 271444b9 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 271444b9 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 271444b9 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 271444b9 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 6076 271444b9 6076 271444b9 6076 271444b9 6076 271444b9 6076 271444b9 6076 271444b9 6076 271444b9 6076 271444b9 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe Token: SeTcbPrivilege 2988 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe Token: SeDebugPrivilege 6076 271444b9 Token: SeTcbPrivilege 6076 271444b9
Processes
-
C:\Users\Admin\AppData\Local\Temp\1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe"C:\Users\Admin\AppData\Local\Temp\1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.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:2988
-
C:\Windows\Syswow64\271444b9C:\Windows\Syswow64\271444b91⤵
- 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:6076
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\271444b9
- Size 832KB
- SHA256 efb3a5e407ce767af5f32cf1464fe779f4253ff491c20d2f50f53561a39a60be
- MD5 4093455c1248510b325f65a22791fca8
- SHA1 518c820c745c85dc887f1e28a80085b9b6dade78
- SHA512 e2d82e4430389279cbc302881c12fd1d8441451caf47ab71ebeec2c3f1867e19dace23b9b3b40caf1d1f6a72795e7cde344bb57844610da62fcb2b2f2d56d483
- SSDEEP 12288:EqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybAsLAkQ:EjHPOSOkx2LFscUQPxuZ98Es8kQ
- TLSH T181059D21E202C13AD49701B2C6BE0BAFA5687D15432561C7E3D87D6A2FB61D2BE3171F
- MD5 SHA1 SHA512 SSDEEP TLSH