Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 19:38
Behavioral task
behavioral1
Sample
23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe
- Size 576KB
- Sample260730-ycd81swekd
- SHA256 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e
- MD5 a93056f8318305818fabe80b6bb1d670
- SHA1 57e7ddce7d2ae88551e314202059b243537244fa
- SHA512 f9cedf2ae161cc2214ae6ecc52f67f95d221e73f859829a16d9684f7a65dab50a5374bd3c14b72ca50fb621bcf9fa78db4c0bb453e4a849d6892af78f903d84d
- SSDEEP 6144:DcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:DSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T1BAC46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4172 d5c667f8 - 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 13 223.5.5.5 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe Destination IP 4 114.114.114.114 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe Destination IP 5 223.5.5.5 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe Destination IP 12 114.114.114.114 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.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\IE d5c667f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies d5c667f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 d5c667f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft d5c667f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData d5c667f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content d5c667f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d5c667f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 d5c667f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache d5c667f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 d5c667f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d5c667f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 d5c667f8 File created C:\Windows\SysWOW64\d5c667f8 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe -
resource yara_rule behavioral2/memory/2820-0-0x0000000000B20000-0x0000000000BAC000-memory.dmp upx behavioral2/memory/4172-3-0x0000000000AF0000-0x0000000000B7C000-memory.dmp upx behavioral2/files/0x000b00000001b896-2.dat upx behavioral2/memory/2820-10-0x0000000000B20000-0x0000000000BAC000-memory.dmp upx behavioral2/memory/4172-11-0x0000000000AF0000-0x0000000000B7C000-memory.dmp upx behavioral2/memory/4172-26-0x0000000000AF0000-0x0000000000B7C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\476d18 d5c667f8 File opened for modification C:\Windows\304788 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.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 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d5c667f8 - 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\Cookies\CachePrefix = "Cookie:" d5c667f8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" d5c667f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" d5c667f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" d5c667f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" d5c667f8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix d5c667f8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ d5c667f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" d5c667f8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing d5c667f8 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4172 d5c667f8 4172 d5c667f8 4172 d5c667f8 4172 d5c667f8 4172 d5c667f8 4172 d5c667f8 4172 d5c667f8 4172 d5c667f8 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe Token: SeTcbPrivilege 2820 23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe Token: SeDebugPrivilege 4172 d5c667f8 Token: SeTcbPrivilege 4172 d5c667f8
Processes
-
C:\Users\Admin\AppData\Local\Temp\23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.exe"C:\Users\Admin\AppData\Local\Temp\23fa1a06cf69253801e87a501e75c9dfca79609b6c00f996e804cc6f07d32e2e.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:2820
-
C:\Windows\Syswow64\d5c667f8C:\Windows\Syswow64\d5c667f81⤵
- 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:4172
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\d5c667f8
- Size 576KB
- SHA256 0f1c08e82be8f888cbbd87697e95a5e44ff34eda4c6e4eaa144997c5e7969b0d
- MD5 fc01378585c6e5fb33cf34094bb70da5
- SHA1 486d269d8181fda090e875d15db3c519c3b05b62
- SHA512 02dd370af0ebf48d7974042bf0b16bbb141e8707a7eaf176f02b58cfc8305e18c635b7677a378ba39ce87a13396dce25adfa5d85be891ba796fca5e238e8cea2
- SSDEEP 6144:BcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:BSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T10CC46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH