Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
27/04/2026, 08:50
Behavioral task
behavioral1
Sample
eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe
- Size 271KB
- Sample260427-kr3chaez8x
- SHA256 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66
- MD5 a1e11e84ad4cf6e89b04d0168ccaaed6
- SHA1 b3cd65954f23a7fa4497b92b98703a8cb4d373c5
- SHA512 f6fd987bf8e843a74d64396384876964f75af6b74c868836a3ed7ee963aa040b599ba1da18279e2603a56f01b9608851aeabb0d77158f0712e42c72d711e3f13
- SSDEEP 6144:Zl51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOa:nqXUHkUXe39sOkx2LIa
- TLSH T1CA44CF5BF27440B6C49AD678C9935A5AFBF1B815872143CF1320C25A1F737E2AE3A325
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3380 4c37b648 - 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 4440 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe Destination IP 2 223.5.5.5 4440 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe Destination IP 9 114.114.114.114 4440 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe Destination IP 10 223.5.5.5 4440 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4c37b648 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4c37b648 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4c37b648 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4c37b648 File created C:\Windows\SysWOW64\4c37b648 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4c37b648 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4c37b648 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4c37b648 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4c37b648 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4c37b648 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4c37b648 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4c37b648 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4c37b648 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4c37b648 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 4c37b648 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4c37b648 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 4c37b648 -
resource yara_rule behavioral2/memory/4440-0-0x0000000000650000-0x00000000006D9000-memory.dmp upx behavioral2/memory/3380-3-0x0000000000A00000-0x0000000000A89000-memory.dmp upx behavioral2/files/0x001d00000002b160-2.dat upx behavioral2/memory/4440-12-0x0000000000650000-0x00000000006D9000-memory.dmp upx behavioral2/memory/3380-14-0x0000000000A00000-0x0000000000A89000-memory.dmp upx behavioral2/memory/4440-33-0x0000000000650000-0x00000000006D9000-memory.dmp upx behavioral2/memory/3380-34-0x0000000000A00000-0x0000000000A89000-memory.dmp upx behavioral2/memory/3380-38-0x0000000000A00000-0x0000000000A89000-memory.dmp upx behavioral2/memory/4440-55-0x0000000000650000-0x00000000006D9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4c03b0 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe File opened for modification C:\Windows\39dde8 4c37b648 - 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 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4c37b648 - 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\History\CachePrefix = "Visited:" 4c37b648 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4c37b648 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 4c37b648 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4c37b648 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4c37b648 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4c37b648 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4c37b648 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4c37b648 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4c37b648 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3380 4c37b648 3380 4c37b648 3380 4c37b648 3380 4c37b648 3380 4c37b648 3380 4c37b648 3380 4c37b648 3380 4c37b648 4440 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe 4440 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe 4440 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe 4440 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe 4440 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe 4440 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4440 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe Token: SeTcbPrivilege 4440 eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe Token: SeDebugPrivilege 3380 4c37b648 Token: SeTcbPrivilege 3380 4c37b648
Processes
-
C:\Users\Admin\AppData\Local\Temp\eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.exe"C:\Users\Admin\AppData\Local\Temp\eedb8cf3d23ba2c709b1c0ccaca8571687755abf81488d5730f3e2879f992d66.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:4440
-
C:\Windows\Syswow64\4c37b648C:\Windows\Syswow64\4c37b6481⤵
- 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:3380
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4c37b648
- Size 271KB
- SHA256 02d8d786e3776a0a53d8de19aa731731bdf5dd40b6e2365cfec33c00cf6ab886
- MD5 3cccca85b0a92bb245902d21b420bcc7
- SHA1 a12f851c962292266a7264d4c6b34bb398de7b79
- SHA512 a496cb947fd1ad14d0591a08c4a8d069a8b3e6b90ffd190f3cd4b54af497fddd7aafed0eb06f8229ee0a1dc18d87f1e177d38a1a0a9300b070ec299244fafabc
- SSDEEP 6144:Pl51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOa:BqXUHkUXe39sOkx2LIa
- TLSH T18044CF5BF27440B6C49AD678C9935A5AFBF1B815872143CF1320C25A1F737E2AE3A325
- MD5 SHA1 SHA512 SSDEEP TLSH