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
29/05/2026, 04:24
Behavioral task
behavioral1
Sample
57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
2 signatures
150 seconds
General
- Target 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe
- Size 3.0MB
- Sample260529-e1c63scx4n
- SHA256 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2
- MD5 c3bd65dff5ab8268e926f8ed24be9456
- SHA1 c0f569bd99acbf75e582d322328cf81bb74bff84
- SHA512 23b4fd943dc2b1b52a697d62d564a3c610d41e0d9f08a0dd225a248e03ba5b8f3ef2f09b2e1dd01856305724ec608ccc9b8de6fadf4abff6f85e9843ee173d02
- SSDEEP 49152:wA/JuTQKqVmgbQIzZMPXpB91rHpn/qKmNAOaG6IOY/:n/whnLrHp/qKm2/Sb/
- TLSH T1C3E55953EB914AE8E39D0536DF544150E72AF2256BEF13A27428420DDE83387BF61A3D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4812 8c2278a4 - 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 1284 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe Destination IP 2 223.5.5.5 1284 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe Destination IP 10 114.114.114.114 1284 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe Destination IP 11 223.5.5.5 1284 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 8c2278a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 8c2278a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 8c2278a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 8c2278a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 8c2278a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8c2278a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8c2278a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 8c2278a4 File created C:\Windows\SysWOW64\8c2278a4 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 8c2278a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 8c2278a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 8c2278a4 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 8c2278a4 -
resource yara_rule behavioral2/memory/1284-0-0x0000000000680000-0x0000000000985000-memory.dmp upx behavioral2/files/0x001f00000002b349-2.dat upx behavioral2/memory/4812-4-0x0000000000640000-0x0000000000945000-memory.dmp upx behavioral2/memory/1284-7-0x0000000000680000-0x0000000000985000-memory.dmp upx behavioral2/memory/4812-8-0x0000000000640000-0x0000000000945000-memory.dmp upx behavioral2/memory/4812-15-0x0000000000640000-0x0000000000945000-memory.dmp upx - 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 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8c2278a4 - 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:" 8c2278a4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 8c2278a4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 8c2278a4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 8c2278a4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 8c2278a4 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 8c2278a4 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 8c2278a4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 8c2278a4 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 8c2278a4 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4812 8c2278a4 4812 8c2278a4 4812 8c2278a4 4812 8c2278a4 4812 8c2278a4 4812 8c2278a4 4812 8c2278a4 4812 8c2278a4 1284 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe 1284 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe 1284 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe 1284 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe 1284 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe 1284 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1284 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe Token: SeTcbPrivilege 1284 57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe Token: SeDebugPrivilege 4812 8c2278a4 Token: SeTcbPrivilege 4812 8c2278a4
Processes
-
C:\Users\Admin\AppData\Local\Temp\57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe"C:\Users\Admin\AppData\Local\Temp\57a7823a6d8bce068bcd0827f4f4db7a7ca8cfea502086b700dfe068860df9e2.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1284
-
C:\Windows\Syswow64\8c2278a4C:\Windows\Syswow64\8c2278a41⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4812
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\8c2278a4
- Size 3.0MB
- SHA256 e6de0d94c8f813936a9c2825800fa9106e63de41029d11de6ee61d874d87b458
- MD5 cf23e92aee70dc6127172bbe970448ee
- SHA1 c4fab80f9e40928edaef544329a90fa8054225cc
- SHA512 7630ed0912dbec06d74e2c83c43edde89ec4ef8f7671c2a90d3c27de58fa3df6b6efe57dc4cfc883140073a440a054212417b0f09a5f315eb93adec8d4678892
- SSDEEP 49152:kA/JuTQKqVmgbQIzZMPXpB91rHpn/qKmNAOaG6IOY/:T/whnLrHp/qKm2/Sb/
- TLSH T1A4E55953EB914AE8E39D0536DF544150E72AF2256BEF13A27428420DDE83387BF61A3D
- MD5 SHA1 SHA512 SSDEEP TLSH