Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
24/04/2026, 22:27
Behavioral task
behavioral1
Sample
27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe
- Size 271KB
- Sample260424-2c34xset5j
- SHA256 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0
- MD5 01b5766dbfc7fc2dc2576da63068e6bd
- SHA1 90d7814b35e1e5193bc8b5d3cf93515dc76bc0ea
- SHA512 b0130ec0ac1597c13a1fc51f53a6b6bdd165d986d033d79a636784a0e3b32e82d5e7e4d2c570ec73ad74254f25fffe5dd484964dc8cc70c321f2ec72dcfd23df
- SSDEEP 6144:2l51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOa:+qXUHkUXe39sOkx2LIa
- TLSH T10D44CF5BF27440B6C49AD678C9935A5AFBF1B815872143CF1320C25A1F737E2AE3A325
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 732 9da00ac7 - 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 4428 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe Destination IP 4 223.5.5.5 4428 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe Destination IP 26 114.114.114.114 4428 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe Destination IP 28 223.5.5.5 4428 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 9da00ac7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 9da00ac7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 9da00ac7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9da00ac7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 9da00ac7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 9da00ac7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 9da00ac7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 9da00ac7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 9da00ac7 File created C:\Windows\SysWOW64\9da00ac7 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 9da00ac7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9da00ac7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 9da00ac7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 9da00ac7 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 9da00ac7 -
resource yara_rule behavioral1/memory/4428-0-0x0000000000600000-0x0000000000689000-memory.dmp upx behavioral1/files/0x00180000000241f1-2.dat upx behavioral1/memory/732-3-0x0000000000CE0000-0x0000000000D69000-memory.dmp upx behavioral1/memory/4428-10-0x0000000000600000-0x0000000000689000-memory.dmp upx behavioral1/memory/732-12-0x0000000000CE0000-0x0000000000D69000-memory.dmp upx behavioral1/memory/4428-28-0x0000000000600000-0x0000000000689000-memory.dmp upx behavioral1/memory/732-29-0x0000000000CE0000-0x0000000000D69000-memory.dmp upx behavioral1/memory/732-40-0x0000000000CE0000-0x0000000000D69000-memory.dmp upx behavioral1/memory/4428-52-0x0000000000600000-0x0000000000689000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\c8838 9da00ac7 File opened for modification C:\Windows\4bcf18 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.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 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9da00ac7 - 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\Cookies\CachePrefix = "Cookie:" 9da00ac7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 9da00ac7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 9da00ac7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 9da00ac7 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 9da00ac7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 9da00ac7 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 9da00ac7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 9da00ac7 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 9da00ac7 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 732 9da00ac7 732 9da00ac7 732 9da00ac7 732 9da00ac7 732 9da00ac7 732 9da00ac7 732 9da00ac7 732 9da00ac7 4428 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe 4428 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe 4428 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe 4428 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe 4428 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe 4428 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4428 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe Token: SeTcbPrivilege 4428 27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe Token: SeDebugPrivilege 732 9da00ac7 Token: SeTcbPrivilege 732 9da00ac7
Processes
-
C:\Users\Admin\AppData\Local\Temp\27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.exe"C:\Users\Admin\AppData\Local\Temp\27d577ba464f519d1796f4b94c7d6039c50d442844dc236018331b4b4a2dc7a0.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:4428
-
C:\Windows\Syswow64\9da00ac7C:\Windows\Syswow64\9da00ac71⤵
- 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:732
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\9da00ac7
- Size 271KB
- SHA256 ef606f819e63bb0119f3eb8c1e11e42a5b7f6332e56fbef3e43c79ebb994a015
- MD5 d5e1c604b0c02b914675f91b3cf9249b
- SHA1 ac515c6723c413a0249413c09fea0227b32bd2d0
- SHA512 ecbc096a2f83c2e66be8040234b3ec8753c7f5c87f790434cc66da46032b775ee4efd1c18ad599bcb55d1fc6727b9e68655f395c50bbb44d068b34cf5460836f
- SSDEEP 6144:Rl51orRJXlDixHkUXe35rGcEOkCybEaQRXr9HNdvOa:vqXUHkUXe39sOkx2LIa
- TLSH T1D144CF5BF27440B6C49AD678C9935A5AFBF1B815872143CF1320C25A1F737E2AE3A325
- MD5 SHA1 SHA512 SSDEEP TLSH