Analysis
- max time kernel
149s - max time network
161s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
18/04/2026, 02:54
Behavioral task
behavioral1
Sample
184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe
- Size 2.6MB
- Sample260418-dd2eqaas9q
- SHA256 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126
- MD5 bc49a7371edbd9806abeafc86e8fceb8
- SHA1 27eee4873b0afbf456ad4fa13a2b8b3a0bf1b27c
- SHA512 88c9cff6202a616219e4eb822064e13796ce37fbc014ca3770ae8502c5ed8f4ad299364ead396f8356b7d8cb56e05f7e814ecdbe7bb68152a7231e99bc59bb73
- SSDEEP 49152:ETGkQy56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:EKkVkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T1F7C59F31B7818036D1B7427186FA47BBA5297C211715A5CF73C87A2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3964 f98f2c27 - 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 1 114.114.114.114 712 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe Destination IP 2 223.5.5.5 712 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe Destination IP 13 114.114.114.114 712 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe Destination IP 14 223.5.5.5 712 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 f98f2c27 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft f98f2c27 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache f98f2c27 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f98f2c27 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f98f2c27 File created C:\Windows\SysWOW64\f98f2c27 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies f98f2c27 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 f98f2c27 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f98f2c27 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 f98f2c27 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 f98f2c27 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content f98f2c27 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 f98f2c27 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE f98f2c27 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData f98f2c27 -
resource yara_rule behavioral2/memory/712-0-0x0000000000E50000-0x0000000000ED9000-memory.dmp upx behavioral2/files/0x002300000002b1f9-2.dat upx behavioral2/memory/3964-3-0x00000000003E0000-0x0000000000469000-memory.dmp upx behavioral2/memory/712-18-0x0000000000E50000-0x0000000000ED9000-memory.dmp upx behavioral2/memory/3964-20-0x00000000003E0000-0x0000000000469000-memory.dmp upx behavioral2/memory/3964-24-0x00000000003E0000-0x0000000000469000-memory.dmp upx behavioral2/memory/712-29-0x0000000000E50000-0x0000000000ED9000-memory.dmp upx behavioral2/memory/3964-30-0x00000000003E0000-0x0000000000469000-memory.dmp upx behavioral2/memory/712-43-0x0000000000E50000-0x0000000000ED9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\43dd78 f98f2c27 File opened for modification C:\Windows\c3090 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.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 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f98f2c27 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" f98f2c27 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing f98f2c27 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" f98f2c27 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" f98f2c27 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" f98f2c27 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" f98f2c27 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix f98f2c27 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" f98f2c27 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ f98f2c27 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3964 f98f2c27 3964 f98f2c27 3964 f98f2c27 3964 f98f2c27 3964 f98f2c27 3964 f98f2c27 3964 f98f2c27 3964 f98f2c27 712 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe 712 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe 712 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe 712 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe 712 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe 712 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 712 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe Token: SeTcbPrivilege 712 184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe Token: SeDebugPrivilege 3964 f98f2c27 Token: SeTcbPrivilege 3964 f98f2c27
Processes
-
C:\Users\Admin\AppData\Local\Temp\184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.exe"C:\Users\Admin\AppData\Local\Temp\184b479a2465605865c1eff206f2692b285bed0fa15dd9087f01aac4e0f60126.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:712
-
C:\Windows\Syswow64\f98f2c27C:\Windows\Syswow64\f98f2c271⤵
- 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:3964
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\f98f2c27
- Size 2.6MB
- SHA256 b637d32b730469d9f663145a86123e2490549cf3a968f6c0be761f632c89ac07
- MD5 55617e77106535e3dce57e4603852b98
- SHA1 735f83d133ad57008a6f003c5475a9cb23d76010
- SHA512 2b4d20afabfc66b19a9db1e4c44476824b9e87459e465e5fde9bf9fa92a7dbd59614960e208ebae39c2242b066e5d0cf8e6bee19a5c8f72bc85ed9533607b8f8
- SSDEEP 49152:ITGkQy56/OJdJCXDrsOFZMjHfUTGkQy5QZuTtS0rQMYOF:IKkVkOhCXHHFZMjHfUKkVWsM0r1F
- TLSH T15DC59F31B7818036D1B7427186FA47BBA5297C211715A5CF73C87A2A1FB36D2AE3170E
- MD5 SHA1 SHA512 SSDEEP TLSH