Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 10:19
Behavioral task
behavioral1
Sample
1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
10 signatures
150 seconds
General
- Target 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe
- Size 560KB
- Sample260802-mcvefsgf32
- SHA256 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d
- MD5 871c77c5aeddfdb4eb5b12d29a45d234
- SHA1 434cfa712780299d4776131ef46d3e9a7ecbafca
- SHA512 7f78a0b12f6d03472e458b33389136b050f26fbb7f80d535aea9349c2aa229497cfaccfcd360719d7bbdbb49d98f9c384a326c60dd8bb5f5ec8aa5e847c19aef
- SSDEEP 6144:ygye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:yI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T150C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA3D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1072 fd26a4f8 - 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 1 114.114.114.114 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe Destination IP 2 223.5.5.5 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe Destination IP 17 114.114.114.114 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe Destination IP 18 223.5.5.5 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft fd26a4f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache fd26a4f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fd26a4f8 File created C:\Windows\SysWOW64\fd26a4f8 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData fd26a4f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 fd26a4f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fd26a4f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fd26a4f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE fd26a4f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies fd26a4f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fd26a4f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content fd26a4f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fd26a4f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 fd26a4f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fd26a4f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 fd26a4f8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 fd26a4f8 -
resource yara_rule behavioral2/memory/2200-0-0x0000000000620000-0x00000000006AC000-memory.dmp upx behavioral2/files/0x000a00000001b315-2.dat upx behavioral2/memory/1072-3-0x0000000000620000-0x00000000006AC000-memory.dmp upx behavioral2/memory/2200-12-0x0000000000620000-0x00000000006AC000-memory.dmp upx behavioral2/memory/1072-13-0x0000000000620000-0x00000000006AC000-memory.dmp upx behavioral2/memory/1072-35-0x0000000000620000-0x00000000006AC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\125a60 fd26a4f8 File opened for modification C:\Windows\25aa30 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.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 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fd26a4f8 - 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:" fd26a4f8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ fd26a4f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" fd26a4f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" fd26a4f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" fd26a4f8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" fd26a4f8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing fd26a4f8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix fd26a4f8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" fd26a4f8 - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA fd26a4f8 Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\1F24C630CDA418EF2069FFAD4FDD5F463A1B69AA\Blob = 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 fd26a4f8 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1072 fd26a4f8 1072 fd26a4f8 1072 fd26a4f8 1072 fd26a4f8 1072 fd26a4f8 1072 fd26a4f8 1072 fd26a4f8 1072 fd26a4f8 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe Token: SeTcbPrivilege 2200 1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe Token: SeDebugPrivilege 1072 fd26a4f8 Token: SeTcbPrivilege 1072 fd26a4f8
Processes
-
C:\Users\Admin\AppData\Local\Temp\1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.exe"C:\Users\Admin\AppData\Local\Temp\1ac45527454984431ae207793e98f9c3a1b1b9c3823fc82d3e435997894f3f0d.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:2200
-
C:\Windows\Syswow64\fd26a4f8C:\Windows\Syswow64\fd26a4f81⤵
- 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:1072
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\fd26a4f8
- Size 560KB
- SHA256 6a44913660b10efdcdff1153d09c59b136707eac830b466617c2eda442d7f68c
- MD5 0fc3ed35382e4b2e7c92652d107a8c25
- SHA1 8bd3816c4118a445b9b8b5eb2310f323ffac2f0a
- SHA512 525fb3161207ec080836ac76af9baa4de7179a44343995f43a44cb1722744d1b1988e07c6dce78fd42a64c098cb7f71fc5e8feded9d80a79914125adb370897f
- SSDEEP 6144:Ugye71cE4poJTqvpQLXNKFyLWD1nFairGcEOkCybEaQRuy8K:UI7OE4kopQzNKFyLWDHsOkxHy
- TLSH T1D0C48C2AB690C076C4B7D534C5E197AAEAB17432372449CFA7D0075A1F237E2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH