Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/05/2026, 03:33
Behavioral task
behavioral1
Sample
bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe
- Size 830KB
- Sample260509-d4drcaat21
- SHA256 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63
- MD5 b5b504dc986ff0d86d75ac7209458ffb
- SHA1 811945855d691847dbfd28d23cb6e4cc4db367a8
- SHA512 ec2927bf3adf61bf49591e4024cf375f5a3c7176af3ac3640368421743616b1d257ff84bcccab5627fb486a0b3478f78fbdb40aef32d72780d784c84ba008e58
- SSDEEP 12288:9SvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:cvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T131055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 472 ed285f00 - 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 26 223.5.5.5 1956 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe Destination IP 3 114.114.114.114 1956 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe Destination IP 6 223.5.5.5 1956 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe Destination IP 25 114.114.114.114 1956 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ed285f00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ed285f00 File created C:\Windows\SysWOW64\ed285f00 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ed285f00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ed285f00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache ed285f00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 ed285f00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content ed285f00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ed285f00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft ed285f00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData ed285f00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C ed285f00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C ed285f00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 ed285f00 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ed285f00 -
resource yara_rule behavioral1/memory/1956-0-0x0000000000250000-0x00000000002DC000-memory.dmp upx behavioral1/files/0x000800000001e41c-2.dat upx behavioral1/memory/472-4-0x00000000000F0000-0x000000000017C000-memory.dmp upx behavioral1/memory/1956-13-0x0000000000250000-0x00000000002DC000-memory.dmp upx behavioral1/memory/472-14-0x00000000000F0000-0x000000000017C000-memory.dmp upx behavioral1/memory/472-32-0x00000000000F0000-0x000000000017C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\814b0 ed285f00 File opened for modification C:\Windows\217cc8 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.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 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ed285f00 - 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\History\CachePrefix = "Visited:" ed285f00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" ed285f00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" ed285f00 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ ed285f00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" ed285f00 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" ed285f00 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing ed285f00 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix ed285f00 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" ed285f00 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 472 ed285f00 472 ed285f00 472 ed285f00 472 ed285f00 472 ed285f00 472 ed285f00 472 ed285f00 472 ed285f00 1956 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe 1956 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe 1956 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe 1956 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe 1956 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe 1956 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1956 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe Token: SeTcbPrivilege 1956 bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe Token: SeDebugPrivilege 472 ed285f00 Token: SeTcbPrivilege 472 ed285f00
Processes
-
C:\Users\Admin\AppData\Local\Temp\bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.exe"C:\Users\Admin\AppData\Local\Temp\bc5d4c7bccf0b5ecac3f050efe1eaa45c162df2bd4aa4e81ce6a43935d24db63.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:1956
-
C:\Windows\Syswow64\ed285f00C:\Windows\Syswow64\ed285f001⤵
- 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:472
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\ed285f00
- Size 830KB
- SHA256 9e52306fee4f177e1f47217186aa8e7c5d06bd3cedabf143f55b73c7a2382956
- MD5 588d89f2fd0de9e17da59ef65d8b3cc8
- SHA1 eb0e67805ae9df28e3b6684f23bf16f914bb9168
- SHA512 dec19010ea7d25fca85da3b44815392aa6b3ab98838dde22a2b3e3f73c37e74691079c55245f08ce9d954a0f81d9037ad44b8d4915b04b3e9a1e4e5460489d32
- SSDEEP 12288:BSvO2x9mONvKRwLSFtsOkx2LIa+ya5FAQjU/Lik8CQ3K:IvO2xJKRw2kOkx2LFRvcUQPK
- TLSH T1AD055A31E641C03AD0A74575C6FA4BBFE964BD25131165CBA3C43A262FB36D2BA3170E
- MD5 SHA1 SHA512 SSDEEP TLSH