Analysis
- max time kernel
149s - max time network
134s - platform
windows11-21h2_x64 - resource
win11-20250610-en - resource tags
arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system - submitted
08/05/2026, 21:33
Behavioral task
behavioral1
Sample
ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe
- Size 830KB
- Sample260508-1d79laev6v
- SHA256 ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8
- MD5 ba169ce48bfd95ddc79d459b7534388b
- SHA1 2fcdc2aa6b54560800f8216d70902294fa767f44
- SHA512 7a8d3f4ab9ab66bdb7be5eeb51464b8b4f977f61edc7f97d5216b8d04bcb3847a1242506491f7370b792a5f2a0361ecc72a66d557894db2fbb0b51a283ad19ff
- SSDEEP 12288:QSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:LvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T19C055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4732 a6b540cb - 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 13 223.5.5.5 1144 ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe Destination IP 1 114.114.114.114 1144 ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe Destination IP 2 223.5.5.5 1144 ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe Destination IP 12 114.114.114.114 1144 ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE a6b540cb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData a6b540cb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content a6b540cb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a6b540cb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 a6b540cb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 a6b540cb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a6b540cb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft a6b540cb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 a6b540cb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 a6b540cb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 a6b540cb File created C:\Windows\SysWOW64\a6b540cb ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies a6b540cb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache a6b540cb File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 a6b540cb -
resource yara_rule behavioral2/memory/1144-0-0x00000000008A0000-0x000000000092C000-memory.dmp upx behavioral2/files/0x001c00000002adec-2.dat upx behavioral2/memory/4732-4-0x00000000002D0000-0x000000000035C000-memory.dmp upx behavioral2/memory/1144-18-0x00000000008A0000-0x000000000092C000-memory.dmp upx behavioral2/memory/4732-19-0x00000000002D0000-0x000000000035C000-memory.dmp upx behavioral2/memory/4732-24-0x00000000002D0000-0x000000000035C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\510378 a6b540cb File opened for modification C:\Windows\1395f0 ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.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 ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a6b540cb - 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:" a6b540cb Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" a6b540cb Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ a6b540cb Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" a6b540cb Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" a6b540cb Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix a6b540cb Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" a6b540cb Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" a6b540cb Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing a6b540cb - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4732 a6b540cb 4732 a6b540cb 4732 a6b540cb 4732 a6b540cb 4732 a6b540cb 4732 a6b540cb 4732 a6b540cb 4732 a6b540cb 1144 ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe 1144 ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe 1144 ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe 1144 ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe 1144 ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe 1144 ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1144 ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe Token: SeTcbPrivilege 1144 ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe Token: SeDebugPrivilege 4732 a6b540cb Token: SeTcbPrivilege 4732 a6b540cb
Processes
-
C:\Users\Admin\AppData\Local\Temp\ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.exe"C:\Users\Admin\AppData\Local\Temp\ea762b1f33d072c4991b68f68c2bb85812f960679cdddbd5b1506728540185b8.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:1144
-
C:\Windows\Syswow64\a6b540cbC:\Windows\Syswow64\a6b540cb1⤵
- 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:4732
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Windows\SysWOW64\a6b540cb
- Size 830KB
- SHA256 8c5ceb9c20bd6ff19afaf69d8ff94e91bc4fbbe9654b443266f9d0c678be9abd
- MD5 3270845b3da74c7153eed0eadfc03efd
- SHA1 857d1f6563ba1a4dfc53fe10f03e9e6926001ee7
- SHA512 028e6078bbd0bf4da36113769bb1cd6aeab39efb912f44546ff98037fb879fc1b4d32b741b96206966c3b7ad538189abc9edf1d982de5e12bcf9f1e8dbabb7c3
- SSDEEP 12288:8SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:PvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T1C2055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH