Analysis
- max time kernel
148s - 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
02/08/2026, 06:44
Behavioral task
behavioral1
Sample
c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe
- Size 638KB
- Sample260802-hhztxaee72
- SHA256 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a
- MD5 2ada412baafb1eff123a4d3dc108166f
- SHA1 30136616c202e42f6daf0cabebc33463452e3cee
- SHA512 19308c5b3f222f8a61ceb3738cfb3e447ca3acd2617ea4bf8eb4461dae8ea561eb68388b138ccb35a658f5159987c66a69d9119f9a852063cbb7d351525d739b
- SSDEEP 6144:QcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:QSvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T129D46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5420 1d931c34 - 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 20 114.114.114.114 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe Destination IP 21 223.5.5.5 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe Destination IP 1 114.114.114.114 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe Destination IP 4 223.5.5.5 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.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\Content.IE5 1d931c34 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1d931c34 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1d931c34 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1d931c34 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1d931c34 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1d931c34 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1d931c34 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1d931c34 File created C:\Windows\SysWOW64\1d931c34 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1d931c34 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1d931c34 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1d931c34 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1d931c34 -
resource yara_rule behavioral2/memory/5744-0-0x00000000006B0000-0x000000000073C000-memory.dmp upx behavioral2/files/0x000700000001b83c-2.dat upx behavioral2/memory/5420-3-0x0000000000040000-0x00000000000CC000-memory.dmp upx behavioral2/memory/5744-16-0x00000000006B0000-0x000000000073C000-memory.dmp upx behavioral2/memory/5420-17-0x0000000000040000-0x00000000000CC000-memory.dmp upx behavioral2/memory/5420-32-0x0000000000040000-0x00000000000CC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5ccad8 1d931c34 File opened for modification C:\Windows\6256e0 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.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 1d931c34 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1d931c34 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1d931c34 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1d931c34 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1d931c34 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1d931c34 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1d931c34 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1d931c34 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1d931c34 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1d931c34 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5420 1d931c34 5420 1d931c34 5420 1d931c34 5420 1d931c34 5420 1d931c34 5420 1d931c34 5420 1d931c34 5420 1d931c34 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe Token: SeTcbPrivilege 5744 c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe Token: SeDebugPrivilege 5420 1d931c34 Token: SeTcbPrivilege 5420 1d931c34
Processes
-
C:\Users\Admin\AppData\Local\Temp\c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.exe"C:\Users\Admin\AppData\Local\Temp\c39e88e5c46fe80276788779dfa061bdfbe400389c0c7217c2d0df81e0c8be1a.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:5744
-
C:\Windows\Syswow64\1d931c34C:\Windows\Syswow64\1d931c341⤵
- 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:5420
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1d931c34
- Size 638KB
- SHA256 3953c6f007e7133db67dbef1dd73e0d49c27ff2130a04920e88cf41895d740b1
- MD5 68902ba694281b2ff26968c211bdb07d
- SHA1 6ba54e6cfba7d816b541c4baa0b3e2eec45d294a
- SHA512 4ea85af3717c6be27fd2a5bf988e44860313308fc93145f6c0100b7a6abd2746f68faa342e8c6b79b0661ee2323428807cda4ca93207294fca5405411e7d6562
- SSDEEP 6144:UcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8KU5R2:USvO2x9mONvKRwLSFtsOkx2LIa+ya5g
- TLSH T185D46B26B6908037C0B74675C5B64BAAFAB5BC21631186CFA380761A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH