Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
15/04/2026, 11:04
Behavioral task
behavioral1
Sample
34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe
- Size 560KB
- Sample260415-m59pvae17z
- SHA256 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f
- MD5 9158036f517033edee750adfd1a31159
- SHA1 cf74dccb697dca803771b754f074905dc9f8cbb1
- SHA512 44feb07f1cff80b544d504898511c1a595a4b439f596a631972b1d7d551e08b1d1dde85cd5106a6a92bc110c0da316f302618c3ff9447cae81c6972ea8ab0b41
- SSDEEP 6144:y4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:yrNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T17CC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2788 26c37b3 - 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 1 114.114.114.114 5192 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe Destination IP 2 223.5.5.5 5192 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe Destination IP 14 114.114.114.114 5192 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe Destination IP 15 223.5.5.5 5192 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.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\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 26c37b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 26c37b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 26c37b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 26c37b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 26c37b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 26c37b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 26c37b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 26c37b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 26c37b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 26c37b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 26c37b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 26c37b3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 26c37b3 File created C:\Windows\SysWOW64\26c37b3 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 26c37b3 -
resource yara_rule behavioral2/memory/5192-0-0x0000000000530000-0x00000000005BC000-memory.dmp upx behavioral2/files/0x000900000002a117-2.dat upx behavioral2/memory/2788-3-0x0000000000F30000-0x0000000000FBC000-memory.dmp upx behavioral2/memory/5192-18-0x0000000000530000-0x00000000005BC000-memory.dmp upx behavioral2/memory/2788-20-0x0000000000F30000-0x0000000000FBC000-memory.dmp upx behavioral2/memory/2788-36-0x0000000000F30000-0x0000000000FBC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2fbb48 26c37b3 File opened for modification C:\Windows\58e390 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.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 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 26c37b3 - 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 26c37b3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 26c37b3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 26c37b3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 26c37b3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 26c37b3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 26c37b3 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 26c37b3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 26c37b3 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 26c37b3 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2788 26c37b3 2788 26c37b3 2788 26c37b3 2788 26c37b3 2788 26c37b3 2788 26c37b3 2788 26c37b3 2788 26c37b3 5192 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe 5192 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe 5192 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe 5192 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe 5192 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe 5192 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5192 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe Token: SeTcbPrivilege 5192 34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe Token: SeDebugPrivilege 2788 26c37b3 Token: SeTcbPrivilege 2788 26c37b3
Processes
-
C:\Users\Admin\AppData\Local\Temp\34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.exe"C:\Users\Admin\AppData\Local\Temp\34028ec7627f27f96782b55af65e107de53b950bb1d1ff40c0b71bf3e9e6982f.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:5192
-
C:\Windows\Syswow64\26c37b3C:\Windows\Syswow64\26c37b31⤵
- 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:2788
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\26c37b3
- Size 560KB
- SHA256 111ae2612807fbd05ced0b6416d8e54ea411ac8e230fc3c10efb06f9f5ffcbae
- MD5 2fe222014207be84508dc31265badae8
- SHA1 1c679cb4e23e4cb0328fd018074e679f43515ed6
- SHA512 83dbbd9e523868f8c5de68cfe4c66ed83e680bc5082a6c7fd3a8f912ab891fe182b4cd91eae4e0fed420fcbe21e7c13359e4df626c514d41b51daa764eb7d2a5
- SSDEEP 6144:g4ZaN1cb90oOTFmIFLq0cvnXhLCqj2EFNirGcEOkCybEaQRuy8K:grNOb9+sIF+0cvnXhLCqEsOkxHy
- TLSH T10BC48D29B6E0C076C4B79578C4A186B6FAB17832372459CFA394075A1F337E2BA3570D
- MD5 SHA1 SHA512 SSDEEP TLSH