Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
21/04/2026, 11:18
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe
- Size 395KB
- Sample260421-nerxsadv3j
- SHA256 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868
- MD5 0bce905ace42cc03fc0f923a47bd5a03
- SHA1 0231bad39c5b5db63a5ca846aea9ff386488f727
- SHA512 9ee92814be93ef11c0ee089697d8ffcbf9b704fd05a81ec9f1ae37dc6a2dc16e06badde5d860bf9bb92f7b873d561129bcc379d6e18f85401a168d61838ceff7
- SSDEEP 6144:Qg/AL1cVUoG1XRlL0wcJtL2KmEFEcEOkCybEaQRXr9HNdvOaty8K:QnLOVWLlowcJtL2KyOkx2LIaty
- TLSH T1CB847C26F6A08036C5B79578C4A396A6FFB1742137248ACFA390475A1F237E2BD3531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2400 ea68fa0 - 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 2268 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe Destination IP 8 114.114.114.114 2268 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe Destination IP 9 223.5.5.5 2268 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe Destination IP 1 114.114.114.114 2268 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ea68fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content ea68fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ea68fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C ea68fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C ea68fa0 File created C:\Windows\SysWOW64\ea68fa0 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ea68fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ea68fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ea68fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ea68fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache ea68fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ea68fa0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ea68fa0 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2916c0 ea68fa0 File opened for modification C:\Windows\26d438 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.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 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ea68fa0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ea68fa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ea68fa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ea68fa0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" ea68fa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ea68fa0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ea68fa0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ea68fa0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix ea68fa0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" ea68fa0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2400 ea68fa0 2400 ea68fa0 2400 ea68fa0 2400 ea68fa0 2400 ea68fa0 2400 ea68fa0 2400 ea68fa0 2400 ea68fa0 2268 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe 2268 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe 2268 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe 2268 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe 2268 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe 2268 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2268 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe Token: SeTcbPrivilege 2268 4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe Token: SeDebugPrivilege 2400 ea68fa0 Token: SeTcbPrivilege 2400 ea68fa0
Processes
-
C:\Users\Admin\AppData\Local\Temp\4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.exe"C:\Users\Admin\AppData\Local\Temp\4b4e4bb53bf4129209aba2a211bedfb36c4987ee4d19468d9504bf28b3adf868.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:2268
-
C:\Windows\Syswow64\ea68fa0C:\Windows\Syswow64\ea68fa01⤵
- 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:2400
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ea68fa0
- Size 395KB
- SHA256 8a0e2747d3203bc7cb2bd51e0166e36854cd31a8abd5d6b8232c756ab0fa66d3
- MD5 0e9427f2fb5ec8ca5262ced33dd7e642
- SHA1 c6b9c3b99f16893d1a9b0445ce9aa21b4ce6973b
- SHA512 bdfa80fd6403b2235ff65e7cafb8e64a533794d3f67c9b82a813489f10391cb6c83a55afa55e923ebfd538e804220e34e270205d041ba73240e7e8d6afa7f0e4
- SSDEEP 6144:Ng/AL1cVUoG1XRlL0wcJtL2KmEFEcEOkCybEaQRXr9HNdvOaty8K:NnLOVWLlowcJtL2KyOkx2LIaty
- TLSH T1A6847C26F6A08036C5B79578C4A396A6FFB1742137248ACFA390475A1F237E2BD3531D
- MD5 SHA1 SHA512 SSDEEP TLSH