Analysis
- max time kernel
149s - max time network
148s - 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, 10:58
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe
Resource
win11-20260513-en
windows11-21h2-x64
8 signatures
150 seconds
General
- Target a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe
- Size 4.0MB
- Sample260528-m26tsaez2v
- SHA256 a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8
- MD5 16ec39643cedad93c4dc55663638aace
- SHA1 1028e91ea72260a6cbaa10eb6347b6823f82a7f5
- SHA512 4ffec39d32318bf4455fece2859ce3bcaee03b0663be2c3a606fa60e1209f9fd4023a8e6e4950a16804b166be1502c303f368398f80ca42a2851ca6a37f08e75
- SSDEEP 98304:7nKl2qOb2lP8ssYoJxKkyWsM0r1QnfKHV0Fe7:7CNDtojKL2Kqo7
- TLSH T1F316CF11F7A1C036C49701718D7A876EA678BD214B258AC7B3C47B6E5FB23D1AE3530A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1720 fa2591fa - 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 11 114.114.114.114 916 a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe Destination IP 12 223.5.5.5 916 a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe Destination IP 1 114.114.114.114 916 a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe Destination IP 2 223.5.5.5 916 a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache fa2591fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData fa2591fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fa2591fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fa2591fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fa2591fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies fa2591fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft fa2591fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content fa2591fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fa2591fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fa2591fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 fa2591fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fa2591fa File created C:\Windows\SysWOW64\fa2591fa a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE fa2591fa File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 fa2591fa - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1d7270 fa2591fa File opened for modification C:\Windows\faea8 a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.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 a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fa2591fa - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" fa2591fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" fa2591fa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix fa2591fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" fa2591fa Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" fa2591fa Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing fa2591fa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" fa2591fa Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" fa2591fa Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ fa2591fa - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1720 fa2591fa 1720 fa2591fa 1720 fa2591fa 1720 fa2591fa 1720 fa2591fa 1720 fa2591fa 1720 fa2591fa 1720 fa2591fa 916 a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe 916 a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe 916 a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe 916 a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe 916 a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe 916 a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 916 a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe Token: SeTcbPrivilege 916 a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe Token: SeDebugPrivilege 1720 fa2591fa Token: SeTcbPrivilege 1720 fa2591fa
Processes
-
C:\Users\Admin\AppData\Local\Temp\a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.exe"C:\Users\Admin\AppData\Local\Temp\a5ebdfe020483fb63c2aeae9a8ae4a80653993ba79aa2cc4f84269ef37da28f8.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:916
-
C:\Windows\Syswow64\fa2591faC:\Windows\Syswow64\fa2591fa1⤵
- 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:1720
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\fa2591fa
- Size 4.0MB
- SHA256 7de7dcce390c6ce0b8672c803fce8348cf34d83d8c26ef5fa7bd07f26f385bcc
- MD5 b1ec009b98eb42249802ff6da70ecc13
- SHA1 60ba1f9b7ce2c1d55b06f42a68eb0d93d8e8941e
- SHA512 c0bdc1b8df44b340ed28a18e016946d43c752bcef658fb97601d6c8ff70789d959286bbc8e2c99d57f2fdfa265e56b3a9144f77c43cbded888c7c5b1eee0c549
- SSDEEP 98304:TnKl2qOb2lP8ssYoJxKkyWsM0r1QnfKHV0Fe7:TCNDtojKL2Kqo7
- TLSH T13F16CF11F7A1C036C49701718D7A876EA678BD214B258AC7B3C47B6E5FB23D1AE3530A
- MD5 SHA1 SHA512 SSDEEP TLSH