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, 01:03
Behavioral task
behavioral1
Sample
63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe
- Size 548KB
- Sample260802-beqcqs1ele
- SHA256 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e
- MD5 dc40bf82e2d533d6e6f3b312a1960397
- SHA1 df8d1aa8bca519dc15b31ea87915659405f809a3
- SHA512 7c071752e243d9917b5e23c6574c2816a9265607df8d53e75fb4469fa9b95d89e7de5e0390fd83177d9eaddce7e802949d471fedd4b701e9e679203410eefabe
- SSDEEP 12288:ZkbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:2bOgbEqy9RKejHPOwOkx2LF
- TLSH T1D5C4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3820 12c506d0 - 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 2 223.5.5.5 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe Destination IP 10 114.114.114.114 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe Destination IP 11 223.5.5.5 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe Destination IP 1 114.114.114.114 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 12c506d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 12c506d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 12c506d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 12c506d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 12c506d0 File created C:\Windows\SysWOW64\12c506d0 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 12c506d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 12c506d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 12c506d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 12c506d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 12c506d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 12c506d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 12c506d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 12c506d0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 12c506d0 -
resource yara_rule behavioral2/memory/4588-0-0x0000000000DF0000-0x0000000000E79000-memory.dmp upx behavioral2/files/0x001b0000000187a6-2.dat upx behavioral2/memory/3820-3-0x00000000004B0000-0x0000000000539000-memory.dmp upx behavioral2/memory/4588-10-0x0000000000DF0000-0x0000000000E79000-memory.dmp upx behavioral2/memory/3820-12-0x00000000004B0000-0x0000000000539000-memory.dmp upx behavioral2/memory/4588-33-0x0000000000DF0000-0x0000000000E79000-memory.dmp upx behavioral2/memory/3820-34-0x00000000004B0000-0x0000000000539000-memory.dmp upx behavioral2/memory/4588-41-0x0000000000DF0000-0x0000000000E79000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\416658 12c506d0 File opened for modification C:\Windows\4e8c58 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.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 12c506d0 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe - 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\Content\CachePrefix 12c506d0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 12c506d0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 12c506d0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 12c506d0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 12c506d0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 12c506d0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 12c506d0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 12c506d0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 12c506d0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3820 12c506d0 3820 12c506d0 3820 12c506d0 3820 12c506d0 3820 12c506d0 3820 12c506d0 3820 12c506d0 3820 12c506d0 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe Token: SeTcbPrivilege 4588 63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe Token: SeDebugPrivilege 3820 12c506d0 Token: SeTcbPrivilege 3820 12c506d0
Processes
-
C:\Users\Admin\AppData\Local\Temp\63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.exe"C:\Users\Admin\AppData\Local\Temp\63efb6e1ec05815c6388a9f358f15445c43097a1b29eb3b600a5a439cbb4db7e.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:4588
-
C:\Windows\Syswow64\12c506d0C:\Windows\Syswow64\12c506d01⤵
- 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:3820
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\12c506d0
- Size 548KB
- SHA256 6373908529c58b31134b0e278d9f36c765b51fee5b3a21dfd727d8add1d53ec7
- MD5 46e625f111bcf00f673bc9d70429ee17
- SHA1 bb9470551ad00486c209789ff843c6af7630306d
- SHA512 5ef470b3d9865ace7266ce3b64a71deb53264c2de7cd9bec1d8522c87281c389009d0c66f12b2ebb414f7c549351474868c30fc39717b1597a7343a23f6991c2
- SSDEEP 12288:XkbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:0bOgbEqy9RKejHPOwOkx2LF
- TLSH T1D4C4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH