Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/08/2026, 00:16
Behavioral task
behavioral1
Sample
18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe
- Size 576KB
- Sample260807-akyevsxtbx
- SHA256 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786
- MD5 5d19abbf24c9c629272ba486fd3616e9
- SHA1 b949266665c7af70fcd9ebca0671498f37741782
- SHA512 ef4dd3619873d8e4c3e48225244f6576ae2093443ad7299ac0ea036837946aa836bfd829bcf7155030e0fae2b5021f30d1a7b91870ac825245ddb0809b8eb672
- SSDEEP 6144:IcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:ISvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T157C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3992 bf38e0d4 - Unexpected DNS network traffic destination 18 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 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 324 223.5.5.5 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 378 223.5.5.5 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 2 223.5.5.5 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 96 114.114.114.114 3992 bf38e0d4 Destination IP 99 114.114.114.114 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 43 223.5.5.5 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 100 223.5.5.5 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 163 114.114.114.114 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 237 223.5.5.5 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 293 114.114.114.114 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 377 114.114.114.114 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 42 114.114.114.114 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 97 223.5.5.5 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 164 223.5.5.5 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 236 114.114.114.114 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 294 223.5.5.5 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Destination IP 323 114.114.114.114 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.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 bf38e0d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache bf38e0d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content bf38e0d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bf38e0d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 bf38e0d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE bf38e0d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 bf38e0d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft bf38e0d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData bf38e0d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bf38e0d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 bf38e0d4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 bf38e0d4 File created C:\Windows\SysWOW64\bf38e0d4 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe -
resource yara_rule behavioral2/memory/1816-0-0x0000000000090000-0x000000000011C000-memory.dmp upx behavioral2/files/0x0010000000016ccb-2.dat upx behavioral2/memory/3992-3-0x0000000000B20000-0x0000000000BAC000-memory.dmp upx behavioral2/memory/1816-16-0x0000000000090000-0x000000000011C000-memory.dmp upx behavioral2/memory/3992-17-0x0000000000B20000-0x0000000000BAC000-memory.dmp upx behavioral2/memory/3992-40-0x0000000000B20000-0x0000000000BAC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\445830 bf38e0d4 File opened for modification C:\Windows\1f1730 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.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 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bf38e0d4 - 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 bf38e0d4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" bf38e0d4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" bf38e0d4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ bf38e0d4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" bf38e0d4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" bf38e0d4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing bf38e0d4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" bf38e0d4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" bf38e0d4 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3992 bf38e0d4 3992 bf38e0d4 3992 bf38e0d4 3992 bf38e0d4 3992 bf38e0d4 3992 bf38e0d4 3992 bf38e0d4 3992 bf38e0d4 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Token: SeTcbPrivilege 1816 18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe Token: SeDebugPrivilege 3992 bf38e0d4 Token: SeTcbPrivilege 3992 bf38e0d4
Processes
-
C:\Users\Admin\AppData\Local\Temp\18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.exe"C:\Users\Admin\AppData\Local\Temp\18a67bc17c44b0027da19f98c938a84f93a0783a83620a8e87e542e579c78786.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:1816
-
C:\Windows\Syswow64\bf38e0d4C:\Windows\Syswow64\bf38e0d41⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- 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:3992
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\bf38e0d4
- Size 576KB
- SHA256 4f8e5e44b6cfeed76448fcd16079e70269965cbd9fe6b4d776b2832d33f20e26
- MD5 fcc76eccbac5bfa478e97eb36371d0c1
- SHA1 9cca299a339d3cdc6b605501ae213d67994c2215
- SHA512 462351e560204fa5523307df9ec6680cbf5750eef7391eb8fc3f5807d5519642389e49a6562b8c3cd265d2b1f920b930c8812c5bf2a7bec898c7a565f4ca5b50
- SSDEEP 6144:NcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:NSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T1A6C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH