Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 23:59
Behavioral task
behavioral1
Sample
ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe
- Size 560KB
- Sample260820-31te3axgrc
- SHA256 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6
- MD5 6f393611cbd2c12aa27d0e476aa6e42c
- SHA1 d8674b7d6c9e1f1b0ff2c101bfaec6d9ede9587e
- SHA512 b0182c83045d8643e9c78c761309ccd93446b87c3088edce2e47eac434796d20d4f58d13f5f0ef3d2ad4bcf4ae815bf8a2216ccb424d90fd9fd79795c098a4ca
- SSDEEP 6144:94ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:9rNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T133C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4600 3bc9b653 - 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 2 223.5.5.5 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe Destination IP 13 114.114.114.114 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe Destination IP 15 223.5.5.5 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe Destination IP 1 114.114.114.114 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3bc9b653 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3bc9b653 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3bc9b653 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3bc9b653 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3bc9b653 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3bc9b653 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3bc9b653 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3bc9b653 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 3bc9b653 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 3bc9b653 File created C:\Windows\SysWOW64\3bc9b653 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3bc9b653 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3bc9b653 -
resource yara_rule behavioral2/memory/5832-0-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx behavioral2/files/0x000a000000011390-2.dat upx behavioral2/memory/4600-3-0x0000000000BB0000-0x0000000000C3C000-memory.dmp upx behavioral2/memory/5832-10-0x0000000000D40000-0x0000000000DCC000-memory.dmp upx behavioral2/memory/4600-11-0x0000000000BB0000-0x0000000000C3C000-memory.dmp upx behavioral2/memory/4600-32-0x0000000000BB0000-0x0000000000C3C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4ec0f0 3bc9b653 File opened for modification C:\Windows\63d890 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.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 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3bc9b653 - 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\Content\CachePrefix 3bc9b653 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3bc9b653 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3bc9b653 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3bc9b653 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3bc9b653 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3bc9b653 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3bc9b653 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3bc9b653 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3bc9b653 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4600 3bc9b653 4600 3bc9b653 4600 3bc9b653 4600 3bc9b653 4600 3bc9b653 4600 3bc9b653 4600 3bc9b653 4600 3bc9b653 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe Token: SeTcbPrivilege 5832 ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe Token: SeDebugPrivilege 4600 3bc9b653 Token: SeTcbPrivilege 4600 3bc9b653
Processes
-
C:\Users\Admin\AppData\Local\Temp\ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.exe"C:\Users\Admin\AppData\Local\Temp\ac252cb3c4b636c90edc3575132bd793a5ca11f28417645c3b687e5ec09efff6.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:5832
-
C:\Windows\Syswow64\3bc9b653C:\Windows\Syswow64\3bc9b6531⤵
- 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:4600
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3bc9b653
- Size 560KB
- SHA256 6fb979f89133c61ee5e2b6aaf7295173ca710e8587f81033b4e5d0ab8c16e1aa
- MD5 7bfe4e2f5f18d981ddb019cca8d1ca5f
- SHA1 923e3e6b423589de944fd2ab0823b9d863f60aa9
- SHA512 f1d997764e133daf1fbf01c68f8318c5a252ae32fd76dbc6923c491ad54c9f23ff0210cab2220babc39501914affa2b279aca77763b26d940f7857fdea77b7b6
- SSDEEP 6144:S4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:SrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T196C48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH