Analysis
- max time kernel
149s - 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
15/04/2026, 09:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe
- Size 395KB
- Sample260415-lemlysdx7v
- SHA256 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4
- MD5 bc2e4f4b5311df4eda814b53a4d83d47
- SHA1 02e612e3d7c0bd1692cc4baa738d122ea35a5bb5
- SHA512 9be940720c05fba23f54698cc9bf6386fa30644741722de9c0d001346643ea7f87ff0d9063024df6d5792049984160f873111e211a43af7e53a489c1556c1a92
- SSDEEP 6144:5w6O71c8GoBjS3BYLvV61qL2LZlRFZcEOkCybEaQRXr9HNdvOaty8K:5Q7O8f8BY7V61qL2LNOkx2LIaty
- TLSH T163846C2AF6A09072C4779579C4A256A6FFB1B42237204ACFA390475A1F337E2BD3531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4364 f1b6a0b0 - 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 4908 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe Destination IP 4 223.5.5.5 4908 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe Destination IP 27 114.114.114.114 4908 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe Destination IP 28 223.5.5.5 4908 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.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\IE f1b6a0b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f1b6a0b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f1b6a0b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f1b6a0b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f1b6a0b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f1b6a0b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f1b6a0b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f1b6a0b0 File created C:\Windows\SysWOW64\f1b6a0b0 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f1b6a0b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f1b6a0b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f1b6a0b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f1b6a0b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f1b6a0b0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f1b6a0b0 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5406d8 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe File opened for modification C:\Windows\4ab698 f1b6a0b0 - 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 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f1b6a0b0 - 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 f1b6a0b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f1b6a0b0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f1b6a0b0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f1b6a0b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f1b6a0b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f1b6a0b0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f1b6a0b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f1b6a0b0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f1b6a0b0 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4364 f1b6a0b0 4364 f1b6a0b0 4364 f1b6a0b0 4364 f1b6a0b0 4364 f1b6a0b0 4364 f1b6a0b0 4364 f1b6a0b0 4364 f1b6a0b0 4908 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe 4908 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe 4908 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe 4908 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe 4908 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe 4908 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4908 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe Token: SeTcbPrivilege 4908 bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe Token: SeDebugPrivilege 4364 f1b6a0b0 Token: SeTcbPrivilege 4364 f1b6a0b0
Processes
-
C:\Users\Admin\AppData\Local\Temp\bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.exe"C:\Users\Admin\AppData\Local\Temp\bef9f3ad69c1efe702bf51c347b3a92c82c98466be24751254629b1d6bd7dde4.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:4908
-
C:\Windows\Syswow64\f1b6a0b0C:\Windows\Syswow64\f1b6a0b01⤵
- 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:4364
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f1b6a0b0
- Size 395KB
- SHA256 82cd31af9f16e8071426c09cc3b43371ff4f44d4b380ce5356e3c8cb95aafa68
- MD5 9bb394ddfa83ecbdbc5405458f9036e1
- SHA1 0711b053a71518c65cebf10b482bf0f5d809487a
- SHA512 360fea3bde11cfa2a894e7f127797cfbf08424862edfe7c0443570ead7571abdce174b8907aead2d41c2308dea982876b4361774e7546ef57b4568d34a25cf23
- SSDEEP 6144:Dw6O71c8GoBjS3BYLvV61qL2LZlRFZcEOkCybEaQRXr9HNdvOaty8K:DQ7O8f8BY7V61qL2LNOkx2LIaty
- TLSH T1D4846C2AF6A09072C4779579C4A256A6FFB1B42237204ACFA390475A1F337E2BD3531D
- MD5 SHA1 SHA512 SSDEEP TLSH