Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/08/2026, 21:31
Behavioral task
behavioral1
Sample
2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe
- Size 640KB
- Sample260822-1dackavsav
- SHA256 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6
- MD5 0e2e42493fad2ad50a91b8d06bfb7087
- SHA1 07d75a79f8e628f72b437acc949eb4be1da068ee
- SHA512 064570e489827e328cf5dd041b6644c93a2e2c14ea33496653d0f88f74a72047311a620597f37272dd8cf07000d37aae9c5b14bb3ac0097ab899700cadbd4a78
- SSDEEP 6144:DcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:DSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T141D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5760 3e061b76 - Unexpected DNS network traffic destination 8 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 49 114.114.114.114 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe Destination IP 50 223.5.5.5 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe Destination IP 89 114.114.114.114 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe Destination IP 90 223.5.5.5 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe Destination IP 3 114.114.114.114 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe Destination IP 5 223.5.5.5 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe Destination IP 39 114.114.114.114 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe Destination IP 40 223.5.5.5 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3e061b76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3e061b76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3e061b76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3e061b76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3e061b76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3e061b76 File created C:\Windows\SysWOW64\3e061b76 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3e061b76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3e061b76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3e061b76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3e061b76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3e061b76 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3e061b76 -
resource yara_rule behavioral2/memory/1540-0-0x00000000001D0000-0x000000000025C000-memory.dmp upx behavioral2/files/0x000b00000001b88f-2.dat upx behavioral2/memory/5760-4-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx behavioral2/memory/1540-16-0x00000000001D0000-0x000000000025C000-memory.dmp upx behavioral2/memory/5760-17-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx behavioral2/memory/5760-33-0x0000000000F40000-0x0000000000FCC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1a5d88 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe File opened for modification C:\Windows\629d00 3e061b76 - 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 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3e061b76 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3e061b76 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3e061b76 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3e061b76 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3e061b76 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3e061b76 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3e061b76 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3e061b76 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3e061b76 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3e061b76 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5760 3e061b76 5760 3e061b76 5760 3e061b76 5760 3e061b76 5760 3e061b76 5760 3e061b76 5760 3e061b76 5760 3e061b76 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe Token: SeTcbPrivilege 1540 2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe Token: SeDebugPrivilege 5760 3e061b76 Token: SeTcbPrivilege 5760 3e061b76
Processes
-
C:\Users\Admin\AppData\Local\Temp\2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.exe"C:\Users\Admin\AppData\Local\Temp\2cdc6aaf56f4963467706e9c26216d4f397770eeb31e501175a813bcbd9289f6.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:1540
-
C:\Windows\Syswow64\3e061b76C:\Windows\Syswow64\3e061b761⤵
- 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:5760
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\3e061b76
- Size 640KB
- SHA256 a942fb85f73581baaec1a6c86bcb2efdb0cb0d2e85f54f063013f22b5f03da97
- MD5 3bc485dee00d75f82b1898e3b6a29e69
- SHA1 6468d8dca135dfec1ca2083ae52454cf193571c8
- SHA512 9b2890e47a59bf687fda4abefa4839f575536b249e09796029c241f03bbace491b9ea1b962dcd9f311decd2b2e559c7aceab512fbc16d421da5512823c2cfcda
- SSDEEP 6144:vcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRuy8KU5Rc:vSvO2x9mONvKRwLSFtsOkxHya5+
- TLSH T110D45B35A6808036C0B74631C6F64BAAF9B5BC25631195CFA384376A1F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH