Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/08/2026, 22:58
Behavioral task
behavioral1
Sample
c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe
- Size 766KB
- Sample260809-2x23cszyf1
- SHA256 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209
- MD5 125eaca2e0d87bdc0e7c9fca7983ec22
- SHA1 06f08e4de9acdb8e720e9e7b145a3ce0298ad352
- SHA512 027e1d5a667d77325b00fb0c3d0b7b46bf4f98f92c777de24c0c176f5d58210aa0e8d54c587fd91eaa300ac5809e3fe0b641aebd2cc2b0eeabfb9ee86dc610d1
- SSDEEP 12288:KSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:RvO2xJKRw2kOkx2LFRvcUV
- TLSH T12CF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3812 1e84a220 - 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 3 114.114.114.114 1396 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe Destination IP 4 223.5.5.5 1396 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe Destination IP 33 114.114.114.114 1396 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe Destination IP 34 223.5.5.5 1396 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1e84a220 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1e84a220 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1e84a220 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1e84a220 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1e84a220 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1e84a220 File created C:\Windows\SysWOW64\1e84a220 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1e84a220 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1e84a220 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1e84a220 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1e84a220 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1e84a220 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1e84a220 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1e84a220 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1e84a220 -
resource yara_rule behavioral1/memory/1396-0-0x0000000000630000-0x00000000006BC000-memory.dmp upx behavioral1/files/0x0008000000024749-3.dat upx behavioral1/memory/3812-4-0x0000000000160000-0x00000000001EC000-memory.dmp upx behavioral1/memory/1396-18-0x0000000000630000-0x00000000006BC000-memory.dmp upx behavioral1/memory/3812-19-0x0000000000160000-0x00000000001EC000-memory.dmp upx behavioral1/memory/3812-27-0x0000000000160000-0x00000000001EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\414348 1e84a220 File opened for modification C:\Windows\17e668 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.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 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1e84a220 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1e84a220 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1e84a220 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1e84a220 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1e84a220 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1e84a220 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1e84a220 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1e84a220 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1e84a220 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1e84a220 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3812 1e84a220 3812 1e84a220 3812 1e84a220 3812 1e84a220 3812 1e84a220 3812 1e84a220 3812 1e84a220 3812 1e84a220 1396 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe 1396 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe 1396 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe 1396 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe 1396 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe 1396 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1396 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe Token: SeTcbPrivilege 1396 c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe Token: SeDebugPrivilege 3812 1e84a220 Token: SeTcbPrivilege 3812 1e84a220
Processes
-
C:\Users\Admin\AppData\Local\Temp\c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.exe"C:\Users\Admin\AppData\Local\Temp\c4d5bfe5f7910cce092b8e1ac43e49311453a9f23d0b1f047fb8cf04b168f209.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:1396
-
C:\Windows\Syswow64\1e84a220C:\Windows\Syswow64\1e84a2201⤵
- 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:3812
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1e84a220
- Size 766KB
- SHA256 82259c2b856aef8a6c4ba78dd30d9171a8b2e04f9d0b47b95bd39f1ee4e637c7
- MD5 2b82be7269dff0b5926a6bee4fc2fb69
- SHA1 0f8fa815d4c66f7dee6baf3898506f797e2537c5
- SHA512 10b7f48a92a908718a55a0dd591527044cb5d0791120e7ba6edd61a6d9ba42609cc878cdc17a2a3de1607fe746bdb95e0ab41be61583f0435629db3766fe4c74
- SSDEEP 12288:KSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:RvO2xJKRw2kOkx2LFRvcUV
- TLSH T1ADF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH