Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
26/04/2026, 02:19
Behavioral task
behavioral1
Sample
8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe
Resource
win11-20260130-en
windows11-21h2-x64
10 signatures
150 seconds
General
- Target 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe
- Size 1.4MB
- Sample260426-crvcwsct91
- SHA256 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad
- MD5 b39b32c407d055b49e88688dbc1236fc
- SHA1 fdc8f0241588558303eb9f736d33646661f91deb
- SHA512 d306565c05203e85a950b508ae88be803ae8cfa3f023c59e0fde8aed632b19224d1b7e2ab16104f22d167a0b4dcc605c2f0da3e02e12b346b8dbcceabf6851a6
- SSDEEP 24576:8jHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:8TGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T15A658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4624 e6e9dd88 - 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 4 223.5.5.5 2612 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe Destination IP 30 114.114.114.114 2612 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe Destination IP 31 223.5.5.5 2612 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe Destination IP 3 114.114.114.114 2612 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content e6e9dd88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies e6e9dd88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 e6e9dd88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C e6e9dd88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e6e9dd88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 e6e9dd88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft e6e9dd88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData e6e9dd88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e6e9dd88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C e6e9dd88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE e6e9dd88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache e6e9dd88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e6e9dd88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e6e9dd88 File created C:\Windows\SysWOW64\e6e9dd88 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 e6e9dd88 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 e6e9dd88 -
resource yara_rule behavioral1/memory/2612-0-0x0000000000790000-0x0000000000819000-memory.dmp upx behavioral1/files/0x0008000000024425-2.dat upx behavioral1/memory/4624-4-0x0000000000580000-0x0000000000609000-memory.dmp upx behavioral1/memory/2612-12-0x0000000000790000-0x0000000000819000-memory.dmp upx behavioral1/memory/4624-14-0x0000000000580000-0x0000000000609000-memory.dmp upx behavioral1/memory/2612-33-0x0000000000790000-0x0000000000819000-memory.dmp upx behavioral1/memory/4624-34-0x0000000000580000-0x0000000000609000-memory.dmp upx behavioral1/memory/4624-38-0x0000000000580000-0x0000000000609000-memory.dmp upx behavioral1/memory/2612-53-0x0000000000790000-0x0000000000819000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4f2a20 e6e9dd88 File opened for modification C:\Windows\2cb7e8 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.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 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e6e9dd88 - 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 e6e9dd88 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" e6e9dd88 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" e6e9dd88 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" e6e9dd88 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" e6e9dd88 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing e6e9dd88 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" e6e9dd88 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ e6e9dd88 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" e6e9dd88 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA e6e9dd88 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 e6e9dd88 - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4624 e6e9dd88 4624 e6e9dd88 4624 e6e9dd88 4624 e6e9dd88 4624 e6e9dd88 4624 e6e9dd88 4624 e6e9dd88 4624 e6e9dd88 4624 e6e9dd88 4624 e6e9dd88 4624 e6e9dd88 4624 e6e9dd88 2612 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe 2612 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe 2612 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe 2612 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe 2612 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe 2612 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2612 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe Token: SeTcbPrivilege 2612 8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe Token: SeDebugPrivilege 4624 e6e9dd88 Token: SeTcbPrivilege 4624 e6e9dd88
Processes
-
C:\Users\Admin\AppData\Local\Temp\8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.exe"C:\Users\Admin\AppData\Local\Temp\8efc1548776088da0fc140bd9c5e36e343cd6993cd61d3c5e64d780a49a100ad.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:2612
-
C:\Windows\Syswow64\e6e9dd88C:\Windows\Syswow64\e6e9dd881⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4624
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\e6e9dd88
- Size 1.4MB
- SHA256 9b0c79c35e1ca7861406774176c3bfd69412cec92e0bec02fe6726840870dbce
- MD5 11979fd5a2052c96dd34553e97bc1701
- SHA1 d20acda9725ca2da2b773b532abf6ca179b08ad8
- SHA512 dffdffa5ee922f828ea2a50aa70f3b83966561f9aa21986275fc09c81da63d7e8f727791b0452a20c6b6e1a3dbba6137b80107c54f11d689f618315f93daa2d4
- SSDEEP 24576:bjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:bTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T11D658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH