Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
16/04/2026, 10:46
Behavioral task
behavioral1
Sample
7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe
- Size 548KB
- Sample260416-mva4jadt5l
- SHA256 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b
- MD5 89636fb66230110ea3c65e5f2780cde0
- SHA1 0e6bdd6a27c8bfd49f948487b0a2fbf0934ae800
- SHA512 616f07a5d433b05e84dd27d2f4fec08a12a3a17ccc470d6607f0285f414ba0e966948d7231c5cd47fbe9695160e033a1f54c9c9aabf598f9e8d3ebae2726b35d
- SSDEEP 12288:gkbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:hbOgbEqy9RKejHPOwOkx2LF
- TLSH T10CC4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4952 3f0a2d7c - 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 2584 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe Destination IP 4 223.5.5.5 2584 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe Destination IP 29 114.114.114.114 2584 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe Destination IP 30 223.5.5.5 2584 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3f0a2d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3f0a2d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3f0a2d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3f0a2d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3f0a2d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3f0a2d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 3f0a2d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3f0a2d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3f0a2d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3f0a2d7c File created C:\Windows\SysWOW64\3f0a2d7c 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3f0a2d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3f0a2d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 3f0a2d7c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3f0a2d7c -
resource yara_rule behavioral1/memory/2584-0-0x00000000003F0000-0x0000000000479000-memory.dmp upx behavioral1/files/0x00080000000245b5-2.dat upx behavioral1/memory/4952-3-0x0000000000F20000-0x0000000000FA9000-memory.dmp upx behavioral1/memory/2584-10-0x00000000003F0000-0x0000000000479000-memory.dmp upx behavioral1/memory/4952-13-0x0000000000F20000-0x0000000000FA9000-memory.dmp upx behavioral1/memory/2584-22-0x00000000003F0000-0x0000000000479000-memory.dmp upx behavioral1/memory/4952-23-0x0000000000F20000-0x0000000000FA9000-memory.dmp upx behavioral1/memory/2584-53-0x00000000003F0000-0x0000000000479000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\54c7b0 3f0a2d7c File opened for modification C:\Windows\2c3d30 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.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 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3f0a2d7c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3f0a2d7c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3f0a2d7c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3f0a2d7c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3f0a2d7c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3f0a2d7c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3f0a2d7c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3f0a2d7c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3f0a2d7c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3f0a2d7c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4952 3f0a2d7c 4952 3f0a2d7c 4952 3f0a2d7c 4952 3f0a2d7c 4952 3f0a2d7c 4952 3f0a2d7c 4952 3f0a2d7c 4952 3f0a2d7c 2584 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe 2584 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe 2584 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe 2584 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe 2584 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe 2584 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2584 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe Token: SeTcbPrivilege 2584 7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe Token: SeDebugPrivilege 4952 3f0a2d7c Token: SeTcbPrivilege 4952 3f0a2d7c
Processes
-
C:\Users\Admin\AppData\Local\Temp\7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.exe"C:\Users\Admin\AppData\Local\Temp\7533c45987b245d528d3489ec792a340385cdefb8405e0803e253fb60938465b.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:2584
-
C:\Windows\Syswow64\3f0a2d7cC:\Windows\Syswow64\3f0a2d7c1⤵
- 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:4952
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3f0a2d7c
- Size 548KB
- SHA256 664e6d0f3100e50213e86463d0b955f6b88c3ced1e3d911df97218ef9c33b653
- MD5 34576e6d6dfb50f395b360a8f759a7e5
- SHA1 47723198cabd230075dca6348c4f9d3bac9efce8
- SHA512 d837ba74cc07d262f11a81344365b0d2bfabf864b9583cecd55fab9ba731b96dd21986fa93fe965859984c0eb107a5f331563a7a68154349926491bda545aa1b
- SSDEEP 12288:4kbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:ZbOgbEqy9RKejHPOwOkx2LF
- TLSH T15DC4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH