Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 4540 4f5c33e8 - 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 3 114.114.114.114 4236 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe Destination IP 4 223.5.5.5 4236 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe Destination IP 33 114.114.114.114 4236 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe Destination IP 34 223.5.5.5 4236 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4f5c33e8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4f5c33e8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4f5c33e8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4f5c33e8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 4f5c33e8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 4f5c33e8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4f5c33e8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4f5c33e8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4f5c33e8 File created C:\Windows\SysWOW64\4f5c33e8 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4f5c33e8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4f5c33e8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4f5c33e8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4f5c33e8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4f5c33e8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4f5c33e8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4f5c33e8 -
resource yara_rule behavioral1/memory/4236-0-0x0000000000AC0000-0x0000000000B49000-memory.dmp upx behavioral1/files/0x00080000000244a2-2.dat upx behavioral1/memory/4540-4-0x00000000008F0000-0x0000000000979000-memory.dmp upx behavioral1/memory/4236-12-0x0000000000AC0000-0x0000000000B49000-memory.dmp upx behavioral1/memory/4540-14-0x00000000008F0000-0x0000000000979000-memory.dmp upx behavioral1/memory/4236-28-0x0000000000AC0000-0x0000000000B49000-memory.dmp upx behavioral1/memory/4540-29-0x00000000008F0000-0x0000000000979000-memory.dmp upx behavioral1/memory/4236-48-0x0000000000AC0000-0x0000000000B49000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4db9f8 4f5c33e8 File opened for modification C:\Windows\488598 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 4f5c33e8 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe - 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\Cookies\CachePrefix = "Cookie:" 4f5c33e8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4f5c33e8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4f5c33e8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4f5c33e8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4f5c33e8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4f5c33e8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4f5c33e8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4f5c33e8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 4f5c33e8 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4540 4f5c33e8 4540 4f5c33e8 4540 4f5c33e8 4540 4f5c33e8 4540 4f5c33e8 4540 4f5c33e8 4540 4f5c33e8 4540 4f5c33e8 4236 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 4236 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 4236 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 4236 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 4236 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe 4236 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4236 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe Token: SeTcbPrivilege 4236 1caa81388ad449ac5d9b5b8745395ce812e72872df16649e0d25e9a9d3d50438.exe Token: SeDebugPrivilege 4540 4f5c33e8 Token: SeTcbPrivilege 4540 4f5c33e8
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:4236
-
C:\Windows\Syswow64\4f5c33e8C:\Windows\Syswow64\4f5c33e81⤵
- 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:4540
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\4f5c33e8
- Size 832KB
- SHA256 ee71ad4c608b3f190d7b94578b1596673724d2e8bcc810dbbb447df4b3744520
- MD5 a04f4f8a2cc9dd1d31c4b58461e12837
- SHA1 32f1fb98fc95c0f92ff88199b146e36795f06fa4
- SHA512 6b36b38db19f2c5e44110e5da23e376f4b4c5d045386705b59063fdf1751c190971efd72971b0c601228ddf3575d5b56c98a3c2966ba42fb24ba850a3f48d5d4
- SSDEEP 12288:xqXUHkUXe39sOkx2LIan5FAQjU/Lik8CQ3uEuZ9oawhtyybAsLAkQ:xjHPOSOkx2LFscUQPxuZ98Es8kQ
- TLSH T123059D21E202C13AD49701B2C6BE0BAFA5687D15432561C7E3D87D6A2FB61D2BE3171F
- MD5 SHA1 SHA512 SSDEEP TLSH