Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/05/2026, 04:31
Behavioral task
behavioral1
Sample
5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe
Resource
win11-20260130-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe
- Size 1024KB
- Sample260505-e5tdvscv3q
- SHA256 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f
- MD5 459b4f41f65c5209a30ed109d689d2cd
- SHA1 bad0b4f684350b8428903b606fd9b4d02ec3a484
- SHA512 48d9ccd98573dbb6a25703acbe1e5ccaba53efbb7872fc3f50979f11ebfede32f7fa68eb2601bcf4debf44599ad6b24241ba1fc6209c3a7385adb03fd4e98484
- SSDEEP 12288:PSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidH:6vO2xJKRw2kOkx2LFRvcU6UQOJdH
- TLSH T113256C31E681C036D5B34571C6FA4BBBA9647D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5704 87bc78e6 - 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 36 114.114.114.114 4240 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe Destination IP 37 223.5.5.5 4240 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe Destination IP 3 114.114.114.114 4240 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe Destination IP 4 223.5.5.5 4240 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 87bc78e6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 87bc78e6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 87bc78e6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 87bc78e6 File created C:\Windows\SysWOW64\87bc78e6 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 87bc78e6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 87bc78e6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 87bc78e6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 87bc78e6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 87bc78e6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 87bc78e6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 87bc78e6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 87bc78e6 -
resource yara_rule behavioral1/memory/4240-0-0x00000000007C0000-0x000000000084C000-memory.dmp upx behavioral1/files/0x000f00000001e5af-2.dat upx behavioral1/memory/5704-4-0x0000000000F50000-0x0000000000FDC000-memory.dmp upx behavioral1/memory/4240-16-0x00000000007C0000-0x000000000084C000-memory.dmp upx behavioral1/memory/5704-17-0x0000000000F50000-0x0000000000FDC000-memory.dmp upx behavioral1/memory/5704-30-0x0000000000F50000-0x0000000000FDC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\61a790 87bc78e6 File opened for modification C:\Windows\489720 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.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 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 87bc78e6 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 87bc78e6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 87bc78e6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 87bc78e6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 87bc78e6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 87bc78e6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 87bc78e6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 87bc78e6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 87bc78e6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 87bc78e6 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5704 87bc78e6 5704 87bc78e6 5704 87bc78e6 5704 87bc78e6 5704 87bc78e6 5704 87bc78e6 5704 87bc78e6 5704 87bc78e6 4240 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe 4240 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe 4240 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe 4240 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe 4240 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe 4240 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4240 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe Token: SeTcbPrivilege 4240 5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe Token: SeDebugPrivilege 5704 87bc78e6 Token: SeTcbPrivilege 5704 87bc78e6
Processes
-
C:\Users\Admin\AppData\Local\Temp\5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.exe"C:\Users\Admin\AppData\Local\Temp\5a92b018a06f9e97db15cefb699b19e1d64b020b62d201343fad2e17dd76a31f.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:4240
-
C:\Windows\Syswow64\87bc78e6C:\Windows\Syswow64\87bc78e61⤵
- 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:5704
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\87bc78e6
- Size 1024KB
- SHA256 7b32b4b38028624840d99dad37d33e749033c7bd95d357746352e2ab36664ef8
- MD5 0af4e83b244ce5653e258d29fa316188
- SHA1 0bf6fa0ac553b93471f266d2693ed37f98be7eb9
- SHA512 de55a778f2d6f5ba7cb8a0e4605167430d30b708b0eef0b71eb1c853c3f46f5ac2ff6ca3166fe7e4a3bdf8696ff39f1a6385b23b08c76e2c4efad9199b756caf
- SSDEEP 12288:JSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/LikGU5rCOTeidH:wvO2xJKRw2kOkx2LFRvcU6UQOJdH
- TLSH T1ED256C31E681C036D5B34571C6FA4BBBA9647D21531165CBA3C47A2A2FB37D2BA3130E
- MD5 SHA1 SHA512 SSDEEP TLSH