Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
07/05/2026, 18:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe
Resource
win11-20260130-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe
- Size 1.1MB
- Sample260507-xbfvsacy3r
- SHA256 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c
- MD5 a7d2c421fec0fa0ef5ece99ae99bb6f2
- SHA1 ab6897e0a44dace62ef562969ee213800b11ba34
- SHA512 b5839912ca051809de52d077c6054c1289a960e005b3bbd361052001f216f5a2f2b9b085354c1321d8924c505ebf9cb22bd40eac725002e40af597f91b51acbe
- SSDEEP 24576:pvO2xJKRI2dOkx2LFAAX1oOYSY82e5QPJJOgufWWsYo:pHHKO2FQd1oOU82lPJ6Po
- TLSH T15A359D12F7A1C072C8A7427448B6C36EA675BC152B214BCBB7C03B5E5E723D1AE36359
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 888 1c5347c8 - 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 4832 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe Destination IP 2 223.5.5.5 4832 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe Destination IP 8 114.114.114.114 4832 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe Destination IP 9 223.5.5.5 4832 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1c5347c8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1c5347c8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1c5347c8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1c5347c8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\AAD646CB44373074ADE741C38400E7E1 1c5347c8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1c5347c8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1c5347c8 File created C:\Windows\SysWOW64\1c5347c8 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1c5347c8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1c5347c8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1c5347c8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1c5347c8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\AAD646CB44373074ADE741C38400E7E1 1c5347c8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1c5347c8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1c5347c8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1c5347c8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1c5347c8 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\f33f0 1c5347c8 File opened for modification C:\Windows\52b9c0 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.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 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1c5347c8 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1c5347c8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1c5347c8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1c5347c8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1c5347c8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1c5347c8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1c5347c8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1c5347c8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1c5347c8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1c5347c8 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 888 1c5347c8 888 1c5347c8 888 1c5347c8 888 1c5347c8 888 1c5347c8 888 1c5347c8 888 1c5347c8 888 1c5347c8 4832 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe 4832 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe 4832 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe 4832 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe 4832 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe 4832 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4832 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe Token: SeTcbPrivilege 4832 ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe Token: SeDebugPrivilege 888 1c5347c8 Token: SeTcbPrivilege 888 1c5347c8
Processes
-
C:\Users\Admin\AppData\Local\Temp\ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.exe"C:\Users\Admin\AppData\Local\Temp\ac2a5e1f767517ef758cb1658c3eda9a20ee3eff79b5cab72ce3fd784822b55c.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:4832
-
C:\Windows\Syswow64\1c5347c8C:\Windows\Syswow64\1c5347c81⤵
- 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:888
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1c5347c8
- Size 1.1MB
- SHA256 278dcaa8eaa1b097acfe50717dafbaaa50bce5305e028949e18811c071fb7cf1
- MD5 ab6471b5df42a6c07c457f67c15bf625
- SHA1 13a996cd358a4b460f35ce1f40c3110158f04d34
- SHA512 907879141d5efe096b951b57b57bb4df51721f2ab2c0ab237ba57950f17b30b0e4362e1c17e2d44cbe5b252823e377a1046bdad1cfc0e0f39c796d6fc09fabf2
- SSDEEP 24576:UvO2xJKRI2dOkx2LFAAX1oOYSY82e5QPJJOgufWWsYo:UHHKO2FQd1oOU82lPJ6Po
- TLSH T1F7359D12F7A1C072C8A7427448B6C36EA675BC152B214BCBB7C03B5E5E723D1AE36359
- MD5 SHA1 SHA512 SSDEEP TLSH