Analysis
- max time kernel
149s - max time network
153s - 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, 23:04
Behavioral task
behavioral1
Sample
ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe
- Size 1.1MB
- Sample260809-22fpxszzds
- SHA256 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9
- MD5 614359a7c2ada123d2419ca86aed67e9
- SHA1 edda073b47d647c595aad928510a70b7dae5b85e
- SHA512 667adaabd18ed3ce0718f25ad4811c746a9dcea1f338d8a6520b199f7d94e36e3e792693fc21940dfce3aa0ebdef10b4d21c1ad7625ae754ef3259dfd764ebd8
- SSDEEP 12288:1SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:0vO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T1FE357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2008 b089dca1 - 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 32 114.114.114.114 5824 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe Destination IP 34 223.5.5.5 5824 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe Destination IP 3 114.114.114.114 5824 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe Destination IP 4 223.5.5.5 5824 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.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\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b089dca1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b089dca1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b089dca1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b089dca1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b089dca1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b089dca1 File created C:\Windows\SysWOW64\b089dca1 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b089dca1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b089dca1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b089dca1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b089dca1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b089dca1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b089dca1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b089dca1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 b089dca1 -
resource yara_rule behavioral1/memory/5824-0-0x0000000000BB0000-0x0000000000C3C000-memory.dmp upx behavioral1/files/0x000e0000000231e4-2.dat upx behavioral1/memory/2008-3-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx behavioral1/memory/5824-10-0x0000000000BB0000-0x0000000000C3C000-memory.dmp upx behavioral1/memory/2008-11-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx behavioral1/memory/2008-30-0x0000000000C10000-0x0000000000C9C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\63b580 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe File opened for modification C:\Windows\2260b0 b089dca1 - 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 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b089dca1 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b089dca1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b089dca1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b089dca1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b089dca1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b089dca1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b089dca1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b089dca1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b089dca1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b089dca1 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2008 b089dca1 2008 b089dca1 2008 b089dca1 2008 b089dca1 2008 b089dca1 2008 b089dca1 2008 b089dca1 2008 b089dca1 5824 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe 5824 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe 5824 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe 5824 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe 5824 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe 5824 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5824 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe Token: SeTcbPrivilege 5824 ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe Token: SeDebugPrivilege 2008 b089dca1 Token: SeTcbPrivilege 2008 b089dca1
Processes
-
C:\Users\Admin\AppData\Local\Temp\ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.exe"C:\Users\Admin\AppData\Local\Temp\ac02c7eb47bb1d86cb9137b45032f75decce7523884ad937cc2abc5e823598f9.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:5824
-
C:\Windows\Syswow64\b089dca1C:\Windows\Syswow64\b089dca11⤵
- 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:2008
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b089dca1
- Size 1.1MB
- SHA256 fbc78d02385112e8a62ae4709a4a75fc65b69730e466b7aed76e0c00e2a8292a
- MD5 27cba71905f37218fa1e639ce0d405bb
- SHA1 ead0d52e9c5e1426a92e22d8364b695735728e55
- SHA512 004bc3435b490ef9f0575149ab7128d99de268cd10473edd8c3395a3b1b0d44e600d86f2923c879d2614c59aa0a64aa8313408735456bdcd5386e7515879ca74
- SSDEEP 12288:QSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidzN/VTg:LvO2xJKRw2kOkx2LFRvcU6UQOJdM
- TLSH T102357C31A681C036D5B34571C6FA4BBBA9747D25131165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH