Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
29/05/2026, 04:24
Behavioral task
behavioral1
Sample
274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe
- Size 3.0MB
- Sample260529-e1cwbacx4m
- SHA256 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa
- MD5 e5d27ca217bd2c7e7e34172ebd39df19
- SHA1 154707cbc7f3dc2e96d176137153f8625ff7533e
- SHA512 9fcde23537cb941fd27d500880a29f142a951f0b8a9012d5d567115c6f72f77b7ea10dfc2885402d84fe497f99165410e81a3531331750ad0b05183d4c1a0551
- SSDEEP 49152:MA/JuTQKqVmgbQIzZMPXpB91rHpn/qKmNAOaG6IOY/:L/whnLrHp/qKm2/Sb/
- TLSH T1CAE55953EB914AE8E39D0536DF544150E72AF2256BEF13A27428420DDE83387BF61A3D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4476 4d1f9a50 - 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 3 114.114.114.114 4408 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe Destination IP 4 223.5.5.5 4408 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe Destination IP 59 114.114.114.114 4408 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe Destination IP 61 223.5.5.5 4408 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 4d1f9a50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4d1f9a50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 4d1f9a50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 4d1f9a50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 4d1f9a50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4d1f9a50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 4d1f9a50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 4d1f9a50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4d1f9a50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 4d1f9a50 File created C:\Windows\SysWOW64\4d1f9a50 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 4d1f9a50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 4d1f9a50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 4d1f9a50 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 4d1f9a50 -
resource yara_rule behavioral1/memory/4408-0-0x0000000000D40000-0x0000000001045000-memory.dmp upx behavioral1/files/0x000a000000024328-2.dat upx behavioral1/memory/4476-4-0x0000000000DA0000-0x00000000010A5000-memory.dmp upx behavioral1/memory/4408-13-0x0000000000D40000-0x0000000001045000-memory.dmp upx behavioral1/memory/4476-14-0x0000000000DA0000-0x00000000010A5000-memory.dmp upx behavioral1/memory/4476-15-0x0000000000DA0000-0x00000000010A5000-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 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4d1f9a50 - 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 4d1f9a50 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 4d1f9a50 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 4d1f9a50 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 4d1f9a50 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 4d1f9a50 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 4d1f9a50 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 4d1f9a50 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 4d1f9a50 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 4d1f9a50 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4476 4d1f9a50 4476 4d1f9a50 4476 4d1f9a50 4476 4d1f9a50 4476 4d1f9a50 4476 4d1f9a50 4476 4d1f9a50 4476 4d1f9a50 4408 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe 4408 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe 4408 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe 4408 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe 4408 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe 4408 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4408 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe Token: SeTcbPrivilege 4408 274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe Token: SeDebugPrivilege 4476 4d1f9a50 Token: SeTcbPrivilege 4476 4d1f9a50
Processes
-
C:\Users\Admin\AppData\Local\Temp\274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.exe"C:\Users\Admin\AppData\Local\Temp\274c4732fee72153f135fd0f889a279e0bd692d2285f16fc9d5e2bf3615247aa.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:4408
-
C:\Windows\Syswow64\4d1f9a50C:\Windows\Syswow64\4d1f9a501⤵
- 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:4476
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\4d1f9a50
- Size 3.0MB
- SHA256 da790efc177a5c334cc1732ec2e4d3ecbd9575f39c1519baa2c9b92a4b6365e4
- MD5 76bbf8b72ec5b5f6b42dccbb0c6a6fec
- SHA1 f4475fd1d67abfe43f41e92cd424e48159bd038f
- SHA512 9c4265ab2eb456b81c9266cf109914b7476e0535a8afc4d5e4c2dceb14a89c8f1011f4591fe100b3be23268daa4fd0d832cecb53194c6d25563cc6bb8e344cf0
- SSDEEP 49152:oA/JuTQKqVmgbQIzZMPXpB91rHpn/qKmNAOaG6IOY/:P/whnLrHp/qKm2/Sb/
- TLSH T125E55953EB914AE8E39D0536DF544150E72AF2256BEF13A27428420DDE83387BF61A3D
- MD5 SHA1 SHA512 SSDEEP TLSH