Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
11/05/2026, 20:04
Behavioral task
behavioral1
Sample
5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe
- Size 548KB
- Sample260511-ys762ads5j
- SHA256 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d
- MD5 47a13346cdc38b23003957ac2b936f26
- SHA1 55e37d8f92af70c25313418c4b8a53bf3474ae36
- SHA512 e1652e9de32d91c154eaa385594ee599aa9c28af3bbe150f9b2eaa046eaebfec24569e33dbd3c103138ac8ff033183b3b5624a011e54d12e4138740f7949724d
- SSDEEP 12288:CkbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:zbOgbEqy9RKejHPOwOkx2LF
- TLSH T1A7C4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5112 108df038 - 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 5004 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe Destination IP 2 223.5.5.5 5004 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe Destination IP 9 114.114.114.114 5004 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe Destination IP 10 223.5.5.5 5004 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 108df038 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 108df038 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 108df038 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 108df038 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 108df038 File created C:\Windows\SysWOW64\108df038 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 108df038 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 108df038 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 108df038 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 108df038 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 108df038 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 108df038 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 108df038 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 108df038 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 108df038 -
resource yara_rule behavioral2/memory/5004-0-0x0000000000770000-0x00000000007F9000-memory.dmp upx behavioral2/files/0x000600000002a7e0-2.dat upx behavioral2/memory/5112-4-0x0000000000430000-0x00000000004B9000-memory.dmp upx behavioral2/memory/5004-12-0x0000000000770000-0x00000000007F9000-memory.dmp upx behavioral2/memory/5112-14-0x0000000000430000-0x00000000004B9000-memory.dmp upx behavioral2/memory/5004-30-0x0000000000770000-0x00000000007F9000-memory.dmp upx behavioral2/memory/5112-31-0x0000000000430000-0x00000000004B9000-memory.dmp upx behavioral2/memory/5004-40-0x0000000000770000-0x00000000007F9000-memory.dmp upx behavioral2/memory/5112-41-0x0000000000430000-0x00000000004B9000-memory.dmp upx behavioral2/memory/5004-49-0x0000000000770000-0x00000000007F9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\5784f0 108df038 File opened for modification C:\Windows\55ab98 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.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 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 108df038 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 108df038 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 108df038 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 108df038 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 108df038 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 108df038 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 108df038 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 108df038 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 108df038 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 108df038 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5112 108df038 5112 108df038 5112 108df038 5112 108df038 5112 108df038 5112 108df038 5112 108df038 5112 108df038 5004 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe 5004 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe 5004 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe 5004 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe 5004 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe 5004 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5004 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe Token: SeTcbPrivilege 5004 5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe Token: SeDebugPrivilege 5112 108df038 Token: SeTcbPrivilege 5112 108df038
Processes
-
C:\Users\Admin\AppData\Local\Temp\5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.exe"C:\Users\Admin\AppData\Local\Temp\5b813ff2600aceda79536cf109e1210a5deb465b059540578afda5ed2c56688d.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:5004
-
C:\Windows\Syswow64\108df038C:\Windows\Syswow64\108df0381⤵
- 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:5112
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\108df038
- Size 548KB
- SHA256 baa1bea47894cb9a3fc17db345e94fec57b8bf2c50ca3ca917ce477d8c2c9029
- MD5 e65c4fb71511a25a1e320376a3535d2d
- SHA1 f4ec52d94e7641aa0db55e7b7abfe95dd2b7f368
- SHA512 b471f07c63499384cfe550cdd43786594de6f7da75408a637b07ed12868054fc0a03b3edaa4fc1b5c956572d56d433d3450af82c30f2bf409e8a08054f7ef56d
- SSDEEP 12288:WkbOgbKcMoxy9RLW3uqXUHkUXe39+Okx2LIa:/bOgbEqy9RKejHPOwOkx2LF
- TLSH T1B4C4AE26F6A0C032C4B79574C4A34AAAFBB1742167204ACFA395475A1F737E2BE3531D
- MD5 SHA1 SHA512 SSDEEP TLSH