Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
21/04/2026, 00:59
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe
- Size 395KB
- Sample260421-bcf2aaav7t
- SHA256 e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf
- MD5 b95d3f38280e9b0b262d84e157546ed0
- SHA1 4a62c1849ed8cd6efc00697feb4c931ee0308bf8
- SHA512 e3292220874583107e2f06cb7f79fc2d8d2cf33e65d44921e160d979e5faee95c39ab0e1aaa2e0b235c4a95ba115a70408b3d4ff781a8ff8f0c886db44301248
- SSDEEP 12288:f3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YmLm08dOkx2LIaxy:9VOL4/gPnKHOkx2LFE
- TLSH T1A0845C2AB6E0D076C4B79574C4A257A6FBB1B43227204ACF6390475A1F237E2BD3531E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4416 89f3d38c - 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 3132 e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe Destination IP 4 223.5.5.5 3132 e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe Destination IP 24 114.114.114.114 3132 e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe Destination IP 25 223.5.5.5 3132 e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 89f3d38c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 89f3d38c File created C:\Windows\SysWOW64\89f3d38c e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 89f3d38c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 89f3d38c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 89f3d38c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 89f3d38c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 89f3d38c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 89f3d38c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 89f3d38c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 89f3d38c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 89f3d38c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 89f3d38c - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\359ef8 e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe File opened for modification C:\Windows\4b9a80 89f3d38c - 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 e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 89f3d38c - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 89f3d38c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 89f3d38c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 89f3d38c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 89f3d38c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 89f3d38c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 89f3d38c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 89f3d38c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 89f3d38c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 89f3d38c - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4416 89f3d38c 4416 89f3d38c 4416 89f3d38c 4416 89f3d38c 4416 89f3d38c 4416 89f3d38c 4416 89f3d38c 4416 89f3d38c 3132 e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe 3132 e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe 3132 e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe 3132 e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe 3132 e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe 3132 e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3132 e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe Token: SeTcbPrivilege 3132 e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe Token: SeDebugPrivilege 4416 89f3d38c Token: SeTcbPrivilege 4416 89f3d38c
Processes
-
C:\Users\Admin\AppData\Local\Temp\e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.exe"C:\Users\Admin\AppData\Local\Temp\e2fc578eff0d41703d62cdb2528e6780aedd92fefa8d43a5485f8455d8b9dfbf.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:3132
-
C:\Windows\Syswow64\89f3d38cC:\Windows\Syswow64\89f3d38c1⤵
- 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:4416
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\89f3d38c
- Size 395KB
- SHA256 ef0ae955b1cc42b73258c6533d8f6f8a597a014273504d0f0ae771aaa4287fee
- MD5 3712f1b9b0d66813da87e96c5ed65c40
- SHA1 cec08f42281216b06ab5878c2a5cdbf5dfbbc55c
- SHA512 02f52c10b7bbdeca7749e693df0d96eb7c37608d148bf0e84a87301bf94a16a5254b0576033e2099bc1556525da55881dc27d0d40b1f8fdb2c8ec6535259445c
- SSDEEP 12288:B3Sgbu4VOGWPSqt6IpouYgCEmx1z725uRG9OArjlI6YmLm08dOkx2LIaxy:zVOL4/gPnKHOkx2LFE
- TLSH T13E845C2AB6E0D076C4B79574C4A257A6FBB1B43227204ACF6390475A1F237E2BD3531E
- MD5 SHA1 SHA512 SSDEEP TLSH