Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
28/05/2026, 16:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
Resource
win11-20260513-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe
- Size 395KB
- Sample260528-tkhh7afw3x
- SHA256 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b
- MD5 235c8678b41fb2c5b735207151cc97c6
- SHA1 f1bac068198a52d58aba1203dc19fc4273a0b0f4
- SHA512 198a435c8a93bbe1aa77228d38f511ac3e20f3bdee5f9f86413139c497519c3112ec101960c7c166aaf67a8e64be793b3b31e31fd0513e14f0f993460e3ec0d7
- SSDEEP 6144:cwdK91cVMoSTZu05LOY0ftLy+mgFScEOkCybEaQRXr9HNdvOaxy8K:cn9OVKk05aY0ftLy+MOkx2LIaxy
- TLSH T16D846D2AF6A0D076C4B79578C49257A6FBB1742137204ACFA390475A1F637E2BE3630D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1224 905f2274 - 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 1408 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe Destination IP 2 223.5.5.5 1408 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe Destination IP 10 114.114.114.114 1408 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe Destination IP 11 223.5.5.5 1408 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 905f2274 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 905f2274 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 905f2274 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 905f2274 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 905f2274 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 905f2274 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 905f2274 File created C:\Windows\SysWOW64\905f2274 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 905f2274 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 905f2274 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 905f2274 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 905f2274 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 905f2274 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 905f2274 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 905f2274 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\14f490 905f2274 File opened for modification C:\Windows\181b00 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.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 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 905f2274 - 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 905f2274 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 905f2274 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 905f2274 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 905f2274 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 905f2274 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 905f2274 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 905f2274 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 905f2274 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 905f2274 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1224 905f2274 1224 905f2274 1224 905f2274 1224 905f2274 1224 905f2274 1224 905f2274 1224 905f2274 1224 905f2274 1408 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe 1408 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe 1408 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe 1408 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe 1408 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe 1408 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1408 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe Token: SeTcbPrivilege 1408 899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe Token: SeDebugPrivilege 1224 905f2274 Token: SeTcbPrivilege 1224 905f2274
Processes
-
C:\Users\Admin\AppData\Local\Temp\899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.exe"C:\Users\Admin\AppData\Local\Temp\899ff1d8276cf344a07ac3300edaa8b0b5b391bff8519910a34bd74dce41264b.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:1408
-
C:\Windows\Syswow64\905f2274C:\Windows\Syswow64\905f22741⤵
- 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:1224
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\905f2274
- Size 395KB
- SHA256 7bf8de0210aedc19f4a4d8877087598e8886f914ed5991481c55e7b2abac2150
- MD5 1f2ce6d532c48bd70ddba73d34ce5a21
- SHA1 afe0d4ad0f7036b3ee6e4e76f6129c9f026a18b4
- SHA512 628665b3269e2b50d376144077ef46b764fdedbcff0ed46d847c3ed6bd2ef41cb37d25b174438aa8bb3e17c99d7b65be1ec6c89a1ee8759c47109dfdfdc69daa
- SSDEEP 6144:TwdK91cVMoSTZu05LOY0ftLy+mgFScEOkCybEaQRXr9HNdvOaxy8K:Tn9OVKk05aY0ftLy+MOkx2LIaxy
- TLSH T103846D2AF6A0D076C4B79578C49257A6FBB1742137204ACFA390475A1F637E2BE3630D
- MD5 SHA1 SHA512 SSDEEP TLSH