Analysis
- max time kernel
150s - 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
09/08/2026, 20:52
Behavioral task
behavioral1
Sample
86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe
- Size 1.4MB
- Sample260809-znrtxsdn2w
- SHA256 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537
- MD5 30f537506d93d4ce8d36463164634bbd
- SHA1 1ddb0a7ea761e6207df3b842590eec7256ceb2b2
- SHA512 bc9f245de190eb4a1e36aedf30a56112e102b376ac53337b389fed3f11e2115ef3893b001144a5f76caaf12b22a5f3639de627a524639611678c80c6f46998d4
- SSDEEP 24576:jjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:jTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1E1658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4008 cf57ce0 - 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 6 223.5.5.5 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe Destination IP 16 114.114.114.114 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe Destination IP 17 223.5.5.5 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe Destination IP 3 114.114.114.114 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.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\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cf57ce0 File created C:\Windows\SysWOW64\cf57ce0 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies cf57ce0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache cf57ce0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData cf57ce0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cf57ce0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 cf57ce0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 cf57ce0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE cf57ce0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 cf57ce0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft cf57ce0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content cf57ce0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 cf57ce0 -
resource yara_rule behavioral2/memory/4488-0-0x00000000004E0000-0x0000000000569000-memory.dmp upx behavioral2/files/0x000e00000001c532-2.dat upx behavioral2/memory/4008-3-0x00000000009D0000-0x0000000000A59000-memory.dmp upx behavioral2/memory/4488-16-0x00000000004E0000-0x0000000000569000-memory.dmp upx behavioral2/memory/4008-18-0x00000000009D0000-0x0000000000A59000-memory.dmp upx behavioral2/memory/4488-31-0x00000000004E0000-0x0000000000569000-memory.dmp upx behavioral2/memory/4008-32-0x00000000009D0000-0x0000000000A59000-memory.dmp upx behavioral2/memory/4488-43-0x00000000004E0000-0x0000000000569000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\449e50 cf57ce0 File opened for modification C:\Windows\4cd610 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.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 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cf57ce0 - 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\History\CachePrefix = "Visited:" cf57ce0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ cf57ce0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" cf57ce0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" cf57ce0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" cf57ce0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix cf57ce0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" cf57ce0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" cf57ce0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing cf57ce0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4008 cf57ce0 4008 cf57ce0 4008 cf57ce0 4008 cf57ce0 4008 cf57ce0 4008 cf57ce0 4008 cf57ce0 4008 cf57ce0 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe Token: SeTcbPrivilege 4488 86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe Token: SeDebugPrivilege 4008 cf57ce0 Token: SeTcbPrivilege 4008 cf57ce0
Processes
-
C:\Users\Admin\AppData\Local\Temp\86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.exe"C:\Users\Admin\AppData\Local\Temp\86d8ca4a1f3fb03fcab87465990ce6843b6518c0b002af5e5e6f88809ed11537.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:4488
-
C:\Windows\Syswow64\cf57ce0C:\Windows\Syswow64\cf57ce01⤵
- 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:4008
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\cf57ce0
- Size 1.4MB
- SHA256 49a0b03d7cf2dd3e8f304275c9ca5680079c48d1935934e6482d1c6d27c95eae
- MD5 40b0d4944084bbcb401b7ef987bcfcf3
- SHA1 05c796c670a792a622645143e643b8054e708748
- SHA512 2db1534dd9d65463801c564e729a182fe161e3224009dc7fff4c46318425ab1e361315185fc73bd3021fadfd72ed35e27733a7c54442589d0ca93c0cecf3d7ed
- SSDEEP 24576:djHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:dTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T159658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH