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
09/08/2026, 22:08
Behavioral task
behavioral1
Sample
c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe
- Size 766KB
- Sample260809-12leqswfpc
- SHA256 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28
- MD5 9432dd1b4bfb9939d95f24ea74cf2c7a
- SHA1 20101b2c65aff561d26531377e4b77668007cc76
- SHA512 5e94c57e3c921b4e46fd00e0f9907416b0bbb586bd5e153821bb2f0b66b745bf5916abbab64108722b1eafe1333f1a58eae343fd948ad597e871dc5b9ebc4f0f
- SSDEEP 12288:cSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:vvO2xJKRw2kOkx2LFRvcUV
- TLSH T123F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1072 3fdb7b63 - 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 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe Destination IP 4 223.5.5.5 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe Destination IP 22 114.114.114.114 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe Destination IP 23 223.5.5.5 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3fdb7b63 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3fdb7b63 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3fdb7b63 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3fdb7b63 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3fdb7b63 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3fdb7b63 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3fdb7b63 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3fdb7b63 File created C:\Windows\SysWOW64\3fdb7b63 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3fdb7b63 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3fdb7b63 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3fdb7b63 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3fdb7b63 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3fdb7b63 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3fdb7b63 -
resource yara_rule behavioral2/memory/4252-0-0x0000000000B60000-0x0000000000BEC000-memory.dmp upx behavioral2/files/0x000500000001b851-2.dat upx behavioral2/memory/1072-3-0x00000000003C0000-0x000000000044C000-memory.dmp upx behavioral2/memory/4252-10-0x0000000000B60000-0x0000000000BEC000-memory.dmp upx behavioral2/memory/1072-11-0x00000000003C0000-0x000000000044C000-memory.dmp upx behavioral2/memory/1072-36-0x00000000003C0000-0x000000000044C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\48cbb8 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe File opened for modification C:\Windows\125a60 3fdb7b63 - 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 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3fdb7b63 - 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:" 3fdb7b63 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3fdb7b63 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3fdb7b63 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3fdb7b63 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3fdb7b63 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3fdb7b63 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3fdb7b63 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3fdb7b63 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3fdb7b63 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1072 3fdb7b63 1072 3fdb7b63 1072 3fdb7b63 1072 3fdb7b63 1072 3fdb7b63 1072 3fdb7b63 1072 3fdb7b63 1072 3fdb7b63 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe Token: SeTcbPrivilege 4252 c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe Token: SeDebugPrivilege 1072 3fdb7b63 Token: SeTcbPrivilege 1072 3fdb7b63
Processes
-
C:\Users\Admin\AppData\Local\Temp\c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.exe"C:\Users\Admin\AppData\Local\Temp\c975ca1b19e755f3a389052116391b307f08e0e1f564a91a997f618921d9fa28.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:4252
-
C:\Windows\Syswow64\3fdb7b63C:\Windows\Syswow64\3fdb7b631⤵
- 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:1072
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3fdb7b63
- Size 766KB
- SHA256 ec062a8c2328f1e40b65ce3c8f4bcb28ddb7ab8d5379724db7230674af600a4a
- MD5 d274531f53382b8077f8ba9f92b24d03
- SHA1 1d432ac796de4ac8b27ffa0241cc51012282c3e9
- SHA512 b8d3d8ffb113a43a267225e706fafe2b8f324bbb48eeca4f99c233f7f384aa5a583c193f256315e9da69bf56c05eec5bfe897e99c9ec8fa3cd186755b14cd284
- SSDEEP 12288:ySvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:ZvO2xJKRw2kOkx2LFRvcUV
- TLSH T183F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH