Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
03/08/2026, 02:08
Behavioral task
behavioral1
Sample
f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe
- Size 1.7MB
- Sample260803-ckv1vawerc
- SHA256 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e
- MD5 16eec3e5e1f78ba7a67cba7899b97c45
- SHA1 54bddd4d1ea3e7f66f78c7a15644e61e82340e94
- SHA512 5a08d173720d4412eec0ebb06d6723a1c6524e2be6da01d27415bacb504f0426a78968f6e7990b6e6876bde64f02baf1e7c204b2872e37bc8ac19f3761d0114c
- SSDEEP 24576:pvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:pHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T153858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 6204 c9a94c40 - 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 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe Destination IP 5 223.5.5.5 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe Destination IP 15 114.114.114.114 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe Destination IP 16 223.5.5.5 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.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 c9a94c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C c9a94c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c9a94c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c9a94c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c9a94c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache c9a94c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData c9a94c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c9a94c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 c9a94c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C c9a94c40 File created C:\Windows\SysWOW64\c9a94c40 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c9a94c40 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft c9a94c40 -
resource yara_rule behavioral2/memory/2940-0-0x00000000005A0000-0x000000000062C000-memory.dmp upx behavioral2/files/0x00120000000118f0-2.dat upx behavioral2/memory/6204-3-0x00000000006E0000-0x000000000076C000-memory.dmp upx behavioral2/memory/2940-10-0x00000000005A0000-0x000000000062C000-memory.dmp upx behavioral2/memory/6204-11-0x00000000006E0000-0x000000000076C000-memory.dmp upx behavioral2/memory/6204-32-0x00000000006E0000-0x000000000076C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\6a36f8 c9a94c40 File opened for modification C:\Windows\325578 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.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 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c9a94c40 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c9a94c40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c9a94c40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c9a94c40 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c9a94c40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c9a94c40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c9a94c40 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c9a94c40 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing c9a94c40 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c9a94c40 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 6204 c9a94c40 6204 c9a94c40 6204 c9a94c40 6204 c9a94c40 6204 c9a94c40 6204 c9a94c40 6204 c9a94c40 6204 c9a94c40 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe Token: SeTcbPrivilege 2940 f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe Token: SeDebugPrivilege 6204 c9a94c40 Token: SeTcbPrivilege 6204 c9a94c40
Processes
-
C:\Users\Admin\AppData\Local\Temp\f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.exe"C:\Users\Admin\AppData\Local\Temp\f237f9b0ef29707634a604333af6cea682a6b96c82e91616ba861edb26e15c9e.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:2940
-
C:\Windows\Syswow64\c9a94c40C:\Windows\Syswow64\c9a94c401⤵
- 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:6204
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c9a94c40
- Size 1.7MB
- SHA256 b009006fed5dd8c09156ed3443a34f72f5d374ecd653b46190e997aba779e0a1
- MD5 d2168f53149cecbec41a0f3d2d259832
- SHA1 c2247aa6770dc0707896201a02a55242c8e30994
- SHA512 8e3a164d7836a8e1a325fb2ea064f5749bce7a6d1b40c2e63627ee03e22f9383fb885610d133a9421a7e7dfff64d3e40bee7e82f232387f919d53be5815e8230
- SSDEEP 24576:AvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:AHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T16C858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH