Analysis
- max time kernel
148s - 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
19/08/2026, 21:51
Behavioral task
behavioral1
Sample
2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe
- Size 576KB
- Sample260819-1qxnmathle
- SHA256 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839
- MD5 2a5fd90f0267719b8bf0febcbe7cd16f
- SHA1 eb56b3c658d70a77d1a7abf729deec6ca1806c21
- SHA512 a3bbdf82c57aa7e0e3077375f582cbe037b1ae449e55073d44ed7911c9c1d2e51b0e8c2ce12f14af85b703fc1c33b7710c3696dd79a5d44c6a51216297e16b6a
- SSDEEP 6144:UcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:USvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T17EC46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 6068 93fba4f6 - 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 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe Destination IP 3 223.5.5.5 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe Destination IP 16 114.114.114.114 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe Destination IP 17 223.5.5.5 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 93fba4f6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 93fba4f6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 93fba4f6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 93fba4f6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 93fba4f6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 93fba4f6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 93fba4f6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 93fba4f6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 93fba4f6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 93fba4f6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 93fba4f6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 93fba4f6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 93fba4f6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 93fba4f6 File created C:\Windows\SysWOW64\93fba4f6 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 93fba4f6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 93fba4f6 -
resource yara_rule behavioral2/memory/4144-0-0x0000000000380000-0x000000000040C000-memory.dmp upx behavioral2/files/0x000700000001b85f-2.dat upx behavioral2/memory/6068-3-0x0000000000420000-0x00000000004AC000-memory.dmp upx behavioral2/memory/4144-15-0x0000000000380000-0x000000000040C000-memory.dmp upx behavioral2/memory/6068-16-0x0000000000420000-0x00000000004AC000-memory.dmp upx behavioral2/memory/6068-37-0x0000000000420000-0x00000000004AC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\67e2e8 93fba4f6 File opened for modification C:\Windows\46f260 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.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 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 93fba4f6 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 93fba4f6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 93fba4f6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 93fba4f6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 93fba4f6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 93fba4f6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 93fba4f6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 93fba4f6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 93fba4f6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 93fba4f6 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 6068 93fba4f6 6068 93fba4f6 6068 93fba4f6 6068 93fba4f6 6068 93fba4f6 6068 93fba4f6 6068 93fba4f6 6068 93fba4f6 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe Token: SeTcbPrivilege 4144 2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe Token: SeDebugPrivilege 6068 93fba4f6 Token: SeTcbPrivilege 6068 93fba4f6
Processes
-
C:\Users\Admin\AppData\Local\Temp\2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.exe"C:\Users\Admin\AppData\Local\Temp\2878ff49b1a017340e371bd7f631ff3bfd97647d92abf5789ff47360e289c839.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:4144
-
C:\Windows\Syswow64\93fba4f6C:\Windows\Syswow64\93fba4f61⤵
- 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:6068
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\93fba4f6
- Size 576KB
- SHA256 27d44382677252198c1d1f8e88fed34c5b56db1ff6ac432aa32f22d74e5788cf
- MD5 3879db11e32e3ac636eebc6245180ce8
- SHA1 2361c9ca525ceb83b39bacb4af60264ad4b50484
- SHA512 ee4aeab3d3fcd1e70371503eca9351b82265ed2043caedecbeba64f55bf1189dd84352e0933d34cdecbc5eb105416696934aceff0eb7db829d110fdbb841082c
- SSDEEP 6144:icTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:iSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T15BC46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH