Analysis
- max time kernel
148s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
21/08/2026, 02:56
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe
- Size 3.3MB
- Sample260821-dfapsavyfs
- SHA256 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b
- MD5 32f7c12f824be917a6896f32dea58a30
- SHA1 8f5c6af036277b67f328467f0d4fd2fdaa8f8bad
- SHA512 2f7183eec2d25a63cb6614ecdc813eed1fc6ad46909449367a4c34b405956222d46339dc707e413d7e916ec2c08aaaffdbf5b3fcddd2f86d6fcba79d96b5cabd
- SSDEEP 24576:tvO2xJKRI2dOkx2LFAC///wjHPOnOkx2LFhJbKkKF/eMNPjxdnQbzU:tHHKO2FQN///wTGHQd9KFeMxQbzU
- TLSH T1ECF54B12FB90C636D16A573048AB439A6BB5FD405B128BDF62D4B31F0F732869E31E58
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5600 3c44e01d - 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 1 114.114.114.114 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe Destination IP 2 223.5.5.5 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe Destination IP 19 114.114.114.114 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe Destination IP 20 223.5.5.5 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3c44e01d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3c44e01d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3c44e01d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3c44e01d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3c44e01d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3c44e01d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3c44e01d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3c44e01d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3c44e01d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3c44e01d File created C:\Windows\SysWOW64\3c44e01d 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3c44e01d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3c44e01d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3c44e01d File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3c44e01d - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5fdfc0 3c44e01d File opened for modification C:\Windows\465498 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.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 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3c44e01d - 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\History\CachePrefix = "Visited:" 3c44e01d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3c44e01d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3c44e01d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3c44e01d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3c44e01d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3c44e01d Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3c44e01d Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3c44e01d Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3c44e01d - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5600 3c44e01d 5600 3c44e01d 5600 3c44e01d 5600 3c44e01d 5600 3c44e01d 5600 3c44e01d 5600 3c44e01d 5600 3c44e01d 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe Token: SeTcbPrivilege 4108 4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe Token: SeDebugPrivilege 5600 3c44e01d Token: SeTcbPrivilege 5600 3c44e01d
Processes
-
C:\Users\Admin\AppData\Local\Temp\4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.exe"C:\Users\Admin\AppData\Local\Temp\4c4b30a0698e254e39271e81263053ba522c049f936992b5036be915ab7a254b.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:4108
-
C:\Windows\Syswow64\3c44e01dC:\Windows\Syswow64\3c44e01d1⤵
- 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:5600
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3c44e01d
- Size 3.3MB
- SHA256 a387d15ab0e77789f4c0b40d28648faa98796a4810ae01f75889a623676045ac
- MD5 23e6bb29f9455177314aa21e1910672e
- SHA1 71326497bf85fbc57b0c25b3379947bf5b33c592
- SHA512 2a07d20903f2a98e29f10ee76b28350b4ce196491441ef8a3ae7e0fb4a6e791b2d5be58dfbb5c017508b9490be883114ab97a78538db04434757196a13ab0148
- SSDEEP 24576:YvO2xJKRI2dOkx2LFAC///wjHPOnOkx2LFhJbKkKF/eMNPjxdnQbzU:YHHKO2FQN///wTGHQd9KFeMxQbzU
- TLSH T136F54B12FB90C636D16A573048AB439A6BB5FD405B128BDF62D4B31F0F732869E31E58
- MD5 SHA1 SHA512 SSDEEP TLSH