Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
15/08/2026, 21:52
Behavioral task
behavioral1
Sample
1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe
- Size 560KB
- Sample260815-1q75csvxey
- SHA256 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0
- MD5 3fb5c9e21286fe79bda0524b4f254230
- SHA1 b3d01b8a752a4bc9de13cf633a99bcf03fa2012b
- SHA512 c44bb86a3013d4a3cc124d81c66a864470c1eaaeff732b49a977c408337d5192670f45634c8d161b38ebf8866a47042ddad4bf0940fd0069007adcd7c78cc15c
- SSDEEP 12288:x3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:jVOL4/gPXKCOkx2LFR
- TLSH T1D5C46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5816 cd744ec4 - 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 1 114.114.114.114 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe Destination IP 2 223.5.5.5 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe Destination IP 20 114.114.114.114 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe Destination IP 21 223.5.5.5 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cd744ec4 File created C:\Windows\SysWOW64\cd744ec4 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cd744ec4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cd744ec4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cd744ec4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cd744ec4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cd744ec4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cd744ec4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cd744ec4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cd744ec4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cd744ec4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cd744ec4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cd744ec4 -
resource yara_rule behavioral2/memory/5220-0-0x00000000003C0000-0x000000000044C000-memory.dmp upx behavioral2/files/0x000600000001b85f-2.dat upx behavioral2/memory/5816-3-0x0000000000110000-0x000000000019C000-memory.dmp upx behavioral2/memory/5220-16-0x00000000003C0000-0x000000000044C000-memory.dmp upx behavioral2/memory/5816-17-0x0000000000110000-0x000000000019C000-memory.dmp upx behavioral2/memory/5816-32-0x0000000000110000-0x000000000019C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\639270 cd744ec4 File opened for modification C:\Windows\595e48 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.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 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cd744ec4 - 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 cd744ec4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" cd744ec4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" cd744ec4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cd744ec4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cd744ec4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cd744ec4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cd744ec4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cd744ec4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cd744ec4 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5816 cd744ec4 5816 cd744ec4 5816 cd744ec4 5816 cd744ec4 5816 cd744ec4 5816 cd744ec4 5816 cd744ec4 5816 cd744ec4 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe Token: SeTcbPrivilege 5220 1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe Token: SeDebugPrivilege 5816 cd744ec4 Token: SeTcbPrivilege 5816 cd744ec4
Processes
-
C:\Users\Admin\AppData\Local\Temp\1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.exe"C:\Users\Admin\AppData\Local\Temp\1f6b3e816f19138af0746f81899da8f83d0f34d73478360292ebabe11ce60ad0.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:5220
-
C:\Windows\Syswow64\cd744ec4C:\Windows\Syswow64\cd744ec41⤵
- 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:5816
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cd744ec4
- Size 560KB
- SHA256 13086bdc657491fafbf1d6db90f528e11569cf5f6755e7cdd532c1ac82a3bd43
- MD5 4aea4626f296c16632d43a061b08fc5d
- SHA1 ae9dbddda390c258485bdd50d879299aef278e43
- SHA512 28456254f35286f626aa567f727d8532908f952ce4677d94b35c806b5d5bd05daeca4ea6697db97684dc3024d62dabc243868dd1cc1f102124f7e51e00fd8808
- SSDEEP 12288:23Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YeLm08XsOkx2LIa+y:2VOL4/gPXKCOkx2LFR
- TLSH T122C46D2AB6E0D076C4B79574C4A256A6FFB1B43127204ACF6390475A1F637E2BE3530E
- MD5 SHA1 SHA512 SSDEEP TLSH