Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/08/2026, 21:30
Behavioral task
behavioral1
Sample
1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe
- Size 2.9MB
- Sample260830-1cmw9sdd59
- SHA256 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b
- MD5 1eb34a55d3b936d1d0dea61db27fe8a9
- SHA1 d9d87f3d011509710e232e8a9a3779fbd80122db
- SHA512 de9c48d24abf1345019856a67daa9d1c53229f3914158a1562f5ad1dca9ace10b1a65ee25a938d2442940ec05a7d0efd79709e96851f5a0d1161cad9bdafc058
- SSDEEP 49152:KHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:KnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T159D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1996 78926a3b - 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 16 223.5.5.5 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe Destination IP 1 114.114.114.114 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe Destination IP 4 223.5.5.5 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe Destination IP 15 114.114.114.114 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 78926a3b File created C:\Windows\SysWOW64\78926a3b 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 78926a3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 78926a3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 78926a3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 78926a3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 78926a3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 78926a3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 78926a3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 78926a3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 78926a3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 78926a3b File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 78926a3b -
resource yara_rule behavioral2/memory/2268-0-0x0000000000CB0000-0x0000000000D3C000-memory.dmp upx behavioral2/files/0x000f000000016cb6-2.dat upx behavioral2/memory/1996-3-0x0000000000A70000-0x0000000000AFC000-memory.dmp upx behavioral2/memory/2268-10-0x0000000000CB0000-0x0000000000D3C000-memory.dmp upx behavioral2/memory/1996-11-0x0000000000A70000-0x0000000000AFC000-memory.dmp upx behavioral2/memory/1996-28-0x0000000000A70000-0x0000000000AFC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\222c18 78926a3b File opened for modification C:\Windows\26d438 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.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 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 78926a3b - 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 78926a3b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 78926a3b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 78926a3b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 78926a3b Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 78926a3b Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 78926a3b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 78926a3b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 78926a3b Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 78926a3b - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 1996 78926a3b 1996 78926a3b 1996 78926a3b 1996 78926a3b 1996 78926a3b 1996 78926a3b 1996 78926a3b 1996 78926a3b 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe Token: SeTcbPrivilege 2268 1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe Token: SeDebugPrivilege 1996 78926a3b Token: SeTcbPrivilege 1996 78926a3b
Processes
-
C:\Users\Admin\AppData\Local\Temp\1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.exe"C:\Users\Admin\AppData\Local\Temp\1b7c133bbbbf2f79ab2c180eaff9e48a9077ba44b5c5c98b1bdacf1051dffd7b.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:2268
-
C:\Windows\Syswow64\78926a3bC:\Windows\Syswow64\78926a3b1⤵
- 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:1996
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\78926a3b
- Size 2.9MB
- SHA256 c80833dbd9bbf7c33c301c8709b2bc57222b9262bf204b993e75b53a5b4a4864
- MD5 29e3ba9c32fab1392a82bc4d3633cdbc
- SHA1 a05ee9ed5ec9661ec4d649abac52132efd77b159
- SHA512 523946fd2c37a11c24668fe681d37a2c38aa38b7b92e99482a24607232f66c5c30dd70db50303f29e1f7c92514963f918f1da6d8136f49595fc616089c634ab7
- SSDEEP 49152:BHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:BnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T126D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH