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
04/08/2026, 15:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
8 signatures
150 seconds
General
- Target 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe
- Size 395KB
- Sample260804-sysewach94
- SHA256 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45
- MD5 809dafc34f0f8380a1176f7238a4b693
- SHA1 212cd5ed0f559b7eed8a3624ad0b016c9b2d6764
- SHA512 1b5f8c96cfecffc5f86d659657dfda2ed1807020d5e6135fcfcfc53b288291522cbb96eb1ed286308ce501f60ca29d5e77f9c80fea360c90689041efd9f78ae4
- SSDEEP 6144:3cbcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOa:3CSvO2x9mONvKRILSFnOkx2LIa
- TLSH T1B2846D2AB6A0D076C4B79579C4A247BAFBB1742137204ACFA390475A1F637E2BD3530D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3412 33b480d1 - 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 47 114.114.114.114 4784 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe Destination IP 48 223.5.5.5 4784 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe Destination IP 3 114.114.114.114 4784 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe Destination IP 4 223.5.5.5 4784 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 33b480d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 33b480d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 33b480d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 33b480d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 33b480d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 33b480d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 33b480d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 33b480d1 File created C:\Windows\SysWOW64\33b480d1 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 33b480d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 33b480d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 33b480d1 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 33b480d1 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\51e760 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe File opened for modification C:\Windows\3a6a28 33b480d1 - 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 33b480d1 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe - 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" 33b480d1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 33b480d1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 33b480d1 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 33b480d1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 33b480d1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 33b480d1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 33b480d1 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 33b480d1 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 33b480d1 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3412 33b480d1 3412 33b480d1 3412 33b480d1 3412 33b480d1 3412 33b480d1 3412 33b480d1 3412 33b480d1 3412 33b480d1 4784 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe 4784 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe 4784 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe 4784 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe 4784 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe 4784 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4784 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe Token: SeTcbPrivilege 4784 37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe Token: SeDebugPrivilege 3412 33b480d1 Token: SeTcbPrivilege 3412 33b480d1
Processes
-
C:\Users\Admin\AppData\Local\Temp\37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.exe"C:\Users\Admin\AppData\Local\Temp\37c01543004f1157786436b85924ca6455bccfca1d7bb93c157c424c9d1b6a45.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:4784
-
C:\Windows\Syswow64\33b480d1C:\Windows\Syswow64\33b480d11⤵
- 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:3412
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\33b480d1
- Size 395KB
- SHA256 39a8695877ef0060f0ffba38b88d3e67ea6b976564494e18175bbaa672a35dec
- MD5 f14766fb7a4c30c0f2b59ec54ef50aee
- SHA1 2e847a87914e4af716153c89de6653ca5576c791
- SHA512 aeef1c07f7f9a8f4294f3c9260a943d6cfd6650a4aff861c0713ee0e349dc04ef4c2d9d83948f051d9667467eeab5712a15569c34d978f69c9bcc46bbba48735
- SSDEEP 6144:CcbcTgav1cdCTuoPbgwmOLJvKRILSFvdFDcEOkCybEaQRXr9HNdvOa:CCSvO2x9mONvKRILSFnOkx2LIa
- TLSH T161846D2AB6A0D076C4B79579C4A247BAFBB1742137204ACFA390475A1F637E2BD3530D
- MD5 SHA1 SHA512 SSDEEP TLSH