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
05/05/2026, 01:28
Behavioral task
behavioral1
Sample
b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe
- Size 766KB
- Sample260505-bv2qpsev5v
- SHA256 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59
- MD5 f44834306a666696b22b216d0ddfcc3c
- SHA1 8a085ee7d75102dd1afeab2f630b64df1f3b47bc
- SHA512 de75593bff0a61afaf14bb93eaf1ed40556b2df4f4aa2bc38311c41ae5d87af6bc1648cffa1ee0e5e09d70651676bac9f76e8b86ed9ee6ab6669218736b1ee4f
- SSDEEP 12288:+SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:9vO2xJKRw2kOkx2LFRvcUV
- TLSH T1BEF45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2704 2bd4ac48 - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 16 114.114.114.114 1072 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe Destination IP 17 223.5.5.5 1072 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe Destination IP 55 114.114.114.114 1072 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe Destination IP 56 223.5.5.5 1072 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe Destination IP 1 114.114.114.114 1072 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe Destination IP 2 223.5.5.5 1072 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 2bd4ac48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 2bd4ac48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 2bd4ac48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2bd4ac48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2bd4ac48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 2bd4ac48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2bd4ac48 File created C:\Windows\SysWOW64\2bd4ac48 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 2bd4ac48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 2bd4ac48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 2bd4ac48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 2bd4ac48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 2bd4ac48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 2bd4ac48 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 2bd4ac48 -
resource yara_rule behavioral2/memory/1072-0-0x0000000000170000-0x00000000001FC000-memory.dmp upx behavioral2/files/0x002c00000002b0b4-2.dat upx behavioral2/memory/2704-4-0x0000000000740000-0x00000000007CC000-memory.dmp upx behavioral2/memory/1072-10-0x0000000000170000-0x00000000001FC000-memory.dmp upx behavioral2/memory/2704-11-0x0000000000740000-0x00000000007CC000-memory.dmp upx behavioral2/memory/2704-26-0x0000000000740000-0x00000000007CC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2e4b20 2bd4ac48 File opened for modification C:\Windows\125a60 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.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 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2bd4ac48 - 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:" 2bd4ac48 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 2bd4ac48 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 2bd4ac48 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 2bd4ac48 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 2bd4ac48 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 2bd4ac48 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 2bd4ac48 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 2bd4ac48 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 2bd4ac48 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2704 2bd4ac48 2704 2bd4ac48 2704 2bd4ac48 2704 2bd4ac48 2704 2bd4ac48 2704 2bd4ac48 2704 2bd4ac48 2704 2bd4ac48 1072 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe 1072 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe 1072 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe 1072 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe 1072 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe 1072 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1072 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe Token: SeTcbPrivilege 1072 b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe Token: SeDebugPrivilege 2704 2bd4ac48 Token: SeTcbPrivilege 2704 2bd4ac48
Processes
-
C:\Users\Admin\AppData\Local\Temp\b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.exe"C:\Users\Admin\AppData\Local\Temp\b2676d06f7577f00322388e7c055ed286fb035586ce0f720f685acf4c0bedb59.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:1072
-
C:\Windows\Syswow64\2bd4ac48C:\Windows\Syswow64\2bd4ac481⤵
- 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:2704
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\2bd4ac48
- Size 766KB
- SHA256 da9543f74723480092e4161a97bf2740b847d30afc3c85de3b0e74d9b9f60aff
- MD5 8eb3f2dd9fab8f4aeab9f69c5686d8e5
- SHA1 f3740461f774a8fb501f6a57b8bb671158a20425
- SHA512 633f192a4bb07863b6c6063da08f417fb1570c1810965f2e7a3cb45eec246c403e45f6a48d22dc81b120cfa4e8ebaa33c27a2a779616e1704202c5940d710ca2
- SSDEEP 12288:wSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Liw:rvO2xJKRw2kOkx2LFRvcUV
- TLSH T185F45A31E241C03AD0A74576C6FA0BAFE564BD25531155CBA3C43A6A2FB36D2BE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH