Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system - submitted
06/05/2026, 19:35
Behavioral task
behavioral1
Sample
b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe
Resource
win10v2004-20250619-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe
- Size 1.2MB
- Sample260506-ya4e5adv3q
- SHA256 b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb
- MD5 0d10dfc5d8d787b8b12f1ee1b7df3bb8
- SHA1 d2b5f74155da3dc17faabd02f086c850359d2d8d
- SHA512 521131f5a4c932d88a863d1c5627f98784d8f09d5446300a64f73e8407cccd08021dc5a2e3ffd6a27690a142eaacde824073abae6584c587b89fb15f19f1c9fe
- SSDEEP 24576:ovO2xJKRw2kOkx2LFRvcUQPxuZ98Es8k3OH3C0rQS:oHHKe2WQX5QZuTtS0rQS
- TLSH T199458C31E641C036D4A70175C6BA4BBFA9787D25032565C7E3D43E6A2FB22D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5752 e4ff7acc - 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 60 223.5.5.5 2004 b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe Destination IP 3 114.114.114.114 2004 b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe Destination IP 6 223.5.5.5 2004 b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe Destination IP 56 114.114.114.114 2004 b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e4ff7acc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 e4ff7acc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE e4ff7acc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies e4ff7acc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 e4ff7acc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e4ff7acc File created C:\Windows\SysWOW64\e4ff7acc b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData e4ff7acc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e4ff7acc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache e4ff7acc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 e4ff7acc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content e4ff7acc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft e4ff7acc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 e4ff7acc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 e4ff7acc -
resource yara_rule behavioral1/memory/2004-0-0x0000000000FB0000-0x000000000103C000-memory.dmp upx behavioral1/files/0x00050000000229b1-2.dat upx behavioral1/memory/5752-4-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral1/memory/2004-18-0x0000000000FB0000-0x000000000103C000-memory.dmp upx behavioral1/memory/5752-19-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx behavioral1/memory/5752-30-0x0000000000D30000-0x0000000000DBC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\6279f0 e4ff7acc File opened for modification C:\Windows\224f28 b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.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 b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e4ff7acc - 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:" e4ff7acc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" e4ff7acc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" e4ff7acc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" e4ff7acc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing e4ff7acc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix e4ff7acc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ e4ff7acc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" e4ff7acc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" e4ff7acc - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5752 e4ff7acc 5752 e4ff7acc 5752 e4ff7acc 5752 e4ff7acc 5752 e4ff7acc 5752 e4ff7acc 5752 e4ff7acc 5752 e4ff7acc 2004 b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe 2004 b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe 2004 b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe 2004 b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe 2004 b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe 2004 b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2004 b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe Token: SeTcbPrivilege 2004 b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe Token: SeDebugPrivilege 5752 e4ff7acc Token: SeTcbPrivilege 5752 e4ff7acc
Processes
-
C:\Users\Admin\AppData\Local\Temp\b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.exe"C:\Users\Admin\AppData\Local\Temp\b064054598f1d3b301695c2827a534c7216f022c3dec8a65af1d83aede9ae1eb.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:2004
-
C:\Windows\Syswow64\e4ff7accC:\Windows\Syswow64\e4ff7acc1⤵
- 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:5752
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\e4ff7acc
- Size 1.2MB
- SHA256 bfd8958d5e0c23b657ba02a5134ac6da7e05634d2833b740c51895a06c7f8da3
- MD5 292bd193585c1113f6470f3dd3b85703
- SHA1 a7c29f6339c6fe06f32728e9b07ee126cd30da50
- SHA512 37ce846f667f92a47ac6e69a6824b7da3c1e49608719d53f175d0e9ef7a3a22442a5a5e6f0e95d9cf19a2aaaa374b280aa93094fc7b7a1cdc65f4b61f3100b4d
- SSDEEP 24576:kvO2xJKRw2kOkx2LFRvcUQPxuZ98Es8k3OH3C0rQS:kHHKe2WQX5QZuTtS0rQS
- TLSH T135458C31E641C036D4A70175C6BA4BBFA9787D25032565C7E3D43E6A2FB22D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH