Analysis
- max time kernel
149s - max time network
144s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
22/04/2026, 23:00
Behavioral task
behavioral1
Sample
abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe
- Size 766KB
- Sample260422-2y3ehsdw7z
- SHA256 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02
- MD5 5f22359a2c18e9512a2a1bdee3861e92
- SHA1 a5accfe7ff45048f58c54491bb88da5257516481
- SHA512 fe5abd792e66e296a95adcbc4398fd8ac31ffdc7229d849be913f07298fb28f44e66c478a8dff16b60f990c317a8baaef43feaffb6271c66f5ac45c544176fe7
- SSDEEP 12288:9SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:cvO2xJKRw2kOkx2LFRvcUV
- TLSH T1A4F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5184 4f191d90 - 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 4456 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe Destination IP 2 223.5.5.5 4456 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe Destination IP 18 114.114.114.114 4456 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe Destination IP 19 223.5.5.5 4456 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4f191d90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4f191d90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4f191d90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4f191d90 File created C:\Windows\SysWOW64\4f191d90 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4f191d90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4f191d90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4f191d90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4f191d90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4f191d90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4f191d90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4f191d90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4f191d90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4f191d90 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4f191d90 -
resource yara_rule behavioral2/memory/4456-0-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx behavioral2/files/0x001c00000002b416-2.dat upx behavioral2/memory/5184-4-0x0000000000CD0000-0x0000000000D5C000-memory.dmp upx behavioral2/memory/4456-18-0x0000000000BA0000-0x0000000000C2C000-memory.dmp upx behavioral2/memory/5184-20-0x0000000000CD0000-0x0000000000D5C000-memory.dmp upx behavioral2/memory/5184-40-0x0000000000CD0000-0x0000000000D5C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\58c080 4f191d90 File opened for modification C:\Windows\4c49d0 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.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 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4f191d90 - 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 4f191d90 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4f191d90 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4f191d90 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4f191d90 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4f191d90 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4f191d90 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4f191d90 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4f191d90 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4f191d90 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5184 4f191d90 5184 4f191d90 5184 4f191d90 5184 4f191d90 5184 4f191d90 5184 4f191d90 5184 4f191d90 5184 4f191d90 4456 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe 4456 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe 4456 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe 4456 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe 4456 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe 4456 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4456 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe Token: SeTcbPrivilege 4456 abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe Token: SeDebugPrivilege 5184 4f191d90 Token: SeTcbPrivilege 5184 4f191d90
Processes
-
C:\Users\Admin\AppData\Local\Temp\abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.exe"C:\Users\Admin\AppData\Local\Temp\abd104e28252ff0ebfc972870083f14dcea86f5a386262dc7ee7d60f3cda9b02.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:4456
-
C:\Windows\Syswow64\4f191d90C:\Windows\Syswow64\4f191d901⤵
- 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:5184
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4f191d90
- Size 766KB
- SHA256 504eed0f6c3c027b308981ffc51df60fc3430aa2f5b6e31d832ff936cdf84603
- MD5 00f599581069b8575bb053d077744406
- SHA1 d473b37e5ca31cd7d3c136c68bc1e3cb629a18f6
- SHA512 a1dca50fb4af1d0f0998d133d927c15053bfd8b84426ea07d3ad701bd9c9d962cfb8f46acc780475cd7aa2143a2db16eea2bc09a6fc024e7dce0e8ca46a5d0d3
- SSDEEP 12288:pSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:QvO2xJKRw2kOkx2LFRvcUV
- TLSH T1C3F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH