Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/08/2026, 22:25
Behavioral task
behavioral1
Sample
b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe
- Size 2.9MB
- Sample260810-2b5w5aar2t
- SHA256 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1
- MD5 1339337c4e456e91f678ffd5b1b6b90a
- SHA1 46468e43e1a6a4c1f4fd452bffc3b76b4f2e7451
- SHA512 5d959353188b344ae5dd160694675b44c483c7671aaa8ebd791f25ecb1f5a048fb088b0a97721cdc019c8ebe3e7d3b641750adb7430dea5195503e31d0ee5fa1
- SSDEEP 49152:xHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:xnKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T13CD59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2256 f387d680 - 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 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe Destination IP 1 114.114.114.114 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe Destination IP 2 223.5.5.5 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe Destination IP 15 114.114.114.114 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f387d680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f387d680 File created C:\Windows\SysWOW64\f387d680 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f387d680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f387d680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f387d680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f387d680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f387d680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f387d680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f387d680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f387d680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f387d680 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f387d680 -
resource yara_rule behavioral2/memory/3872-0-0x0000000000750000-0x00000000007DC000-memory.dmp upx behavioral2/files/0x000d00000001b87d-2.dat upx behavioral2/memory/2256-3-0x0000000000FE0000-0x000000000106C000-memory.dmp upx behavioral2/memory/3872-10-0x0000000000750000-0x00000000007DC000-memory.dmp upx behavioral2/memory/2256-11-0x0000000000FE0000-0x000000000106C000-memory.dmp upx behavioral2/memory/2256-30-0x0000000000FE0000-0x000000000106C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\269fa0 f387d680 File opened for modification C:\Windows\424a40 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.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 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f387d680 - 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\Cookies\CachePrefix = "Cookie:" f387d680 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f387d680 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f387d680 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f387d680 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f387d680 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f387d680 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f387d680 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f387d680 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f387d680 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 2256 f387d680 2256 f387d680 2256 f387d680 2256 f387d680 2256 f387d680 2256 f387d680 2256 f387d680 2256 f387d680 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe Token: SeTcbPrivilege 3872 b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe Token: SeDebugPrivilege 2256 f387d680 Token: SeTcbPrivilege 2256 f387d680
Processes
-
C:\Users\Admin\AppData\Local\Temp\b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.exe"C:\Users\Admin\AppData\Local\Temp\b0826024fcec5b48a91b9782cc82f1e192da939f00f83b2493a50e9571ed20c1.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:3872
-
C:\Windows\Syswow64\f387d680C:\Windows\Syswow64\f387d6801⤵
- 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:2256
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f387d680
- Size 2.9MB
- SHA256 9fe37c8ff3f65485cf21a990e29022d049902861c56672bd308f30e74ea1d06b
- MD5 7cf72192c3cc661e58b8c7b5aecfc5f6
- SHA1 1a58d4c7363915c40abceee38637729725a949c1
- SHA512 9dc3f3b8c066b374519e327072406d0a682745c04f982901a8eb17eaf4bfbd9afae9cb5000f8163127feb2ceba265549b7c45ab430811091e640c8f0228c3570
- SSDEEP 49152:kHHKe2WQX56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:knKGEkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T1B7D59E31B6818036D1B7467186FA47BBA5257C211721A5CFB3C47B2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH