Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/09/2026, 09:37
Behavioral task
behavioral1
Sample
1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe
- Size 830KB
- Sample260922-llnslashmf
- SHA256 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf
- MD5 a89f7be8c14bb28dd9d43f452ffe9b0c
- SHA1 a6d2b1e53d02702068377a5410eb23a123c52b14
- SHA512 c5f940fbc4681f781a11645a1a8d96eeb12914c1a4ea275e6bc229ecc2bef1929f625cd4ac23caa8f6c13b8998e9c3bdb319784f606844354fcebb62b3c7bcc6
- SSDEEP 12288:wSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:rvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T198055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4192 dbc248fc - 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 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe Destination IP 8 223.5.5.5 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe Destination IP 19 114.114.114.114 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe Destination IP 20 223.5.5.5 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies dbc248fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C dbc248fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C dbc248fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 dbc248fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft dbc248fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache dbc248fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData dbc248fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dbc248fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content dbc248fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 dbc248fc File created C:\Windows\SysWOW64\dbc248fc 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 dbc248fc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE dbc248fc -
resource yara_rule behavioral2/memory/4320-0-0x0000000000660000-0x00000000006EC000-memory.dmp upx behavioral2/files/0x000600000001b85a-3.dat upx behavioral2/memory/4192-4-0x0000000000180000-0x000000000020C000-memory.dmp upx behavioral2/memory/4320-13-0x0000000000660000-0x00000000006EC000-memory.dmp upx behavioral2/memory/4192-14-0x0000000000180000-0x000000000020C000-memory.dmp upx behavioral2/memory/4192-26-0x0000000000180000-0x000000000020C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\49f5c0 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe File opened for modification C:\Windows\47c4c0 dbc248fc - 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 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dbc248fc - 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\Cookies\CachePrefix = "Cookie:" dbc248fc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" dbc248fc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ dbc248fc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" dbc248fc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" dbc248fc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" dbc248fc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" dbc248fc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing dbc248fc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix dbc248fc - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4192 dbc248fc 4192 dbc248fc 4192 dbc248fc 4192 dbc248fc 4192 dbc248fc 4192 dbc248fc 4192 dbc248fc 4192 dbc248fc 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe Token: SeTcbPrivilege 4320 1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe Token: SeDebugPrivilege 4192 dbc248fc Token: SeTcbPrivilege 4192 dbc248fc
Processes
-
C:\Users\Admin\AppData\Local\Temp\1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.exe"C:\Users\Admin\AppData\Local\Temp\1b5784bcd193ad2bd7515ad1c1aa3225a46d7b2cee397738bd1c695448deadcf.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:4320
-
C:\Windows\Syswow64\dbc248fcC:\Windows\Syswow64\dbc248fc1⤵
- 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:4192
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\dbc248fc
- Size 830KB
- SHA256 1f1a53a95115e78d65bf00904445ec3f8b45e26f0327b3109c06e342cfd63c0e
- MD5 15b2a857b8b88a9aea92ae669c546ac8
- SHA1 c95ed857c39774f66178f544b7132d5531c32f50
- SHA512 9c22d94519e8517e805158e9e551a4aeb0cda341324e41f76ea5102d27ecf7e13e9f62cfce634e8b2470fdfbc0c2c442321f09e0301dd4e390c2bd47fb51384a
- SSDEEP 12288:rSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:evO2xJKRw2kOkx2LFRvcUQPK
- TLSH T176055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH