Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
21/04/2026, 22:35
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe
- Size 896KB
- Sample260421-2hxt4ads4j
- SHA256 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840
- MD5 c3dea21f4d27a65b027603b3f83f9982
- SHA1 e1271d2710a3a4a618393169d62d909c46a9f7ce
- SHA512 b37632bc04964eb2d69e83c229a6c32a144061f583df8d5c95cd864ca9cb758e2110bb3f413d814b085d88a43a6468a39a59a81ef58a2119bfd0ab5dac2fc6df
- SSDEEP 12288:mSvO2x9mONvKRILSFnOkx2LIaxya5FAQjU/Lik8CQ3uEuYyybAsLAk1:FvO2xJKRI2FOkx2LFEvcUQPxu6Es8k1
- TLSH T11D157C31E641C03AD4A7457686BA0BBFA5787D22131565C7E3D43E662FB32D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5100 b3f4bd1f - 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 2380 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe Destination IP 2 223.5.5.5 2380 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe Destination IP 12 114.114.114.114 2380 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe Destination IP 13 223.5.5.5 2380 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b3f4bd1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b3f4bd1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b3f4bd1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b3f4bd1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b3f4bd1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b3f4bd1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b3f4bd1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b3f4bd1f File created C:\Windows\SysWOW64\b3f4bd1f 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b3f4bd1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b3f4bd1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b3f4bd1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b3f4bd1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b3f4bd1f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b3f4bd1f - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\575058 b3f4bd1f File opened for modification C:\Windows\28bf18 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.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 b3f4bd1f Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b3f4bd1f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b3f4bd1f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b3f4bd1f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b3f4bd1f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b3f4bd1f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b3f4bd1f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b3f4bd1f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b3f4bd1f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b3f4bd1f - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5100 b3f4bd1f 5100 b3f4bd1f 5100 b3f4bd1f 5100 b3f4bd1f 5100 b3f4bd1f 5100 b3f4bd1f 5100 b3f4bd1f 5100 b3f4bd1f 2380 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe 2380 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe 2380 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe 2380 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe 2380 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe 2380 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2380 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe Token: SeTcbPrivilege 2380 7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe Token: SeDebugPrivilege 5100 b3f4bd1f Token: SeTcbPrivilege 5100 b3f4bd1f
Processes
-
C:\Users\Admin\AppData\Local\Temp\7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.exe"C:\Users\Admin\AppData\Local\Temp\7acf605298b5871a80484e8b187b71bc3fb54ac392a7765c8e2d5af88e615840.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:2380
-
C:\Windows\Syswow64\b3f4bd1fC:\Windows\Syswow64\b3f4bd1f1⤵
- 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:5100
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b3f4bd1f
- Size 896KB
- SHA256 5b9901d334890868d75fc4134abd9421d4a7f07622e80a84d316c70e99e51066
- MD5 bcd5b7227b06227b63825798a1e07fd1
- SHA1 3fe2557226ceb0cb2a0ca23565a314401e77db60
- SHA512 747cea37cd3916da7cef691ceb7a9632396f17ceb70464718f5c7b91f76688526ec746683154feacd62beecf811f02d505f4a12250c43f90db4150de1790e8fd
- SSDEEP 12288:eSvO2x9mONvKRILSFnOkx2LIaxya5FAQjU/Lik8CQ3uEuYyybAsLAk1:dvO2xJKRI2FOkx2LFEvcUQPxu6Es8k1
- TLSH T1A4157C31E641C03AD4A7457686BA0BBFA5787D22131565C7E3D43E662FB32D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH