Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
23/08/2026, 03:05
Behavioral task
behavioral1
Sample
d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe
- Size 1024KB
- Sample260823-dlbt2ascma
- SHA256 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077
- MD5 22e3bbdc9b3ad6a77071a76147c50a8b
- SHA1 cbb71c9e01bdb25e34b716469308b32e6d4656b6
- SHA512 d3c67fa8888ad5ea2755e75a37bf1aa9756b0db8309fb4e11f7ebcf89c2b1d99f29a8165ad6d93f5a9ebe092e7b318541265e1028578f99300353d5cec93d764
- SSDEEP 24576:bjHPOSOkx2LFscUQPxuZ98Es8k3OH3C0rQ6+y:bTGkQy5QZuTtS0rQi
- TLSH T151259E31E242C03AD5A70172C6BE4BAF95687D25432961C7A3D43D762FB62D2AA3170F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3912 3d71c6c3 - 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 3 114.114.114.114 880 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe Destination IP 4 223.5.5.5 880 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe Destination IP 43 114.114.114.114 880 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe Destination IP 46 223.5.5.5 880 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe Destination IP 119 114.114.114.114 880 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe Destination IP 120 223.5.5.5 880 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.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 3d71c6c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 3d71c6c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 3d71c6c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 3d71c6c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 3d71c6c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 3d71c6c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 3d71c6c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3d71c6c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 3d71c6c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 3d71c6c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 3d71c6c3 File created C:\Windows\SysWOW64\3d71c6c3 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 3d71c6c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 3d71c6c3 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 3d71c6c3 -
resource yara_rule behavioral1/memory/880-0-0x0000000000480000-0x0000000000509000-memory.dmp upx behavioral1/files/0x001300000002428f-2.dat upx behavioral1/memory/3912-4-0x0000000000BB0000-0x0000000000C39000-memory.dmp upx behavioral1/memory/880-12-0x0000000000480000-0x0000000000509000-memory.dmp upx behavioral1/memory/3912-15-0x0000000000BB0000-0x0000000000C39000-memory.dmp upx behavioral1/memory/880-30-0x0000000000480000-0x0000000000509000-memory.dmp upx behavioral1/memory/3912-31-0x0000000000BB0000-0x0000000000C39000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\42f990 3d71c6c3 File opened for modification C:\Windows\f10e0 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.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 3d71c6c3 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe - 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 3d71c6c3 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 3d71c6c3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 3d71c6c3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 3d71c6c3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 3d71c6c3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 3d71c6c3 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 3d71c6c3 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 3d71c6c3 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 3d71c6c3 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA 3d71c6c3 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 3d71c6c3 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3912 3d71c6c3 3912 3d71c6c3 3912 3d71c6c3 3912 3d71c6c3 3912 3d71c6c3 3912 3d71c6c3 3912 3d71c6c3 3912 3d71c6c3 880 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe 880 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe 880 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe 880 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe 880 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe 880 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 880 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe Token: SeTcbPrivilege 880 d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe Token: SeDebugPrivilege 3912 3d71c6c3 Token: SeTcbPrivilege 3912 3d71c6c3
Processes
-
C:\Users\Admin\AppData\Local\Temp\d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.exe"C:\Users\Admin\AppData\Local\Temp\d5eff253c287dbc126b0a8f2d82c03d493bfa110231387e97cc081d72a8ba077.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:880
-
C:\Windows\Syswow64\3d71c6c3C:\Windows\Syswow64\3d71c6c31⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3912
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\3d71c6c3
- Size 1024KB
- SHA256 792b97ec31755e395ab0904e037f269464535a2d31ac43d6ee985fc83f15dae9
- MD5 babacdb735ad5cbc7f2bec709773b0dc
- SHA1 ef75dd698bf344ecc2e81826d7e44bc22ea6b273
- SHA512 3184a5e1d7d79488f6e43d51d299535ac8ad0e0ac4d5881b975005179a2158cdc3bd000f1b2a1973640bdfd87961f93eb7cf07422caccf65ed05810cc7459041
- SSDEEP 24576:RjHPOSOkx2LFscUQPxuZ98Es8k3OH3C0rQ6+y:RTGkQy5QZuTtS0rQi
- TLSH T16E259E31E242C03AD5A70172C6BE4BBF95687D25432961C7A3D43D762FB62D2AA3170F
- MD5 SHA1 SHA512 SSDEEP TLSH