Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
31/07/2026, 06:38
Behavioral task
behavioral1
Sample
cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe
- Size 766KB
- Sample260731-hd3d8sec23
- SHA256 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605
- MD5 2b4d92497a4b00954cd5fa27e2d53669
- SHA1 f4eb77fab01e46ee248ddf1db2e692105d480f36
- SHA512 2b31eed8943b377fc5e7a66788491a25fd5fe1387014d0eb494ff04fd17c6c2e433e7e2f5e8801403bde822aa619424f7beaa95864c4ebe5ab84ffb2979ae8d2
- SSDEEP 12288:cSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:vvO2xJKRw2kOkx2LFRvcUV
- TLSH T1F0F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1744 3fde72a7 - 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 36 223.5.5.5 1480 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe Destination IP 3 114.114.114.114 1480 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe Destination IP 4 223.5.5.5 1480 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe Destination IP 34 114.114.114.114 1480 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3fde72a7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3fde72a7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3fde72a7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3fde72a7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3fde72a7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3fde72a7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3fde72a7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3fde72a7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3fde72a7 File created C:\Windows\SysWOW64\3fde72a7 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3fde72a7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3fde72a7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3fde72a7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3fde72a7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 3fde72a7 -
resource yara_rule behavioral1/memory/1480-0-0x0000000000620000-0x00000000006AC000-memory.dmp upx behavioral1/files/0x000c0000000242a1-2.dat upx behavioral1/memory/1744-3-0x0000000000B70000-0x0000000000BFC000-memory.dmp upx behavioral1/memory/1480-10-0x0000000000620000-0x00000000006AC000-memory.dmp upx behavioral1/memory/1744-11-0x0000000000B70000-0x0000000000BFC000-memory.dmp upx behavioral1/memory/1744-29-0x0000000000B70000-0x0000000000BFC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1ddba0 3fde72a7 File opened for modification C:\Windows\195690 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.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 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3fde72a7 - 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" 3fde72a7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3fde72a7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3fde72a7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3fde72a7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3fde72a7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3fde72a7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 3fde72a7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3fde72a7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3fde72a7 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1744 3fde72a7 1744 3fde72a7 1744 3fde72a7 1744 3fde72a7 1744 3fde72a7 1744 3fde72a7 1744 3fde72a7 1744 3fde72a7 1480 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe 1480 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe 1480 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe 1480 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe 1480 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe 1480 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1480 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe Token: SeTcbPrivilege 1480 cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe Token: SeDebugPrivilege 1744 3fde72a7 Token: SeTcbPrivilege 1744 3fde72a7
Processes
-
C:\Users\Admin\AppData\Local\Temp\cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.exe"C:\Users\Admin\AppData\Local\Temp\cb5348be38cee9f37d2704b9c457b6225c5706713dd979abd0dd05492b060605.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:1480
-
C:\Windows\Syswow64\3fde72a7C:\Windows\Syswow64\3fde72a71⤵
- 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:1744
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3fde72a7
- Size 766KB
- SHA256 c6b48b29756ec304e751ba9a07ce7360325ad08c82019518d470a7fd2ae30684
- MD5 2291008cd64655d27bfcedb99832723f
- SHA1 1912f5055cf4d185fa6ac7395dc4d638468811f1
- SHA512 6b2e1db3d0c259aff6b8680f52762617ff369613b82b6fc4620e8f2e0fe4370166dd2eed61b587a25557adde230b936b6e191fc67376862953941f79f6c3fa4d
- SSDEEP 12288:lSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:EvO2xJKRw2kOkx2LFRvcUV
- TLSH T163F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH