Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/07/2026, 10:13
Behavioral task
behavioral1
Sample
977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe
- Size 1.4MB
- Sample260720-l868fset6q
- SHA256 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1
- MD5 e8b66a97209ec14f3a0818eb4f266e53
- SHA1 f5ad06a2b447ef0f2d95a796dfd1988b5ae1dbb8
- SHA512 ba6b03979be0b2f6b39f64e896e8ca9fa898d70e6d706b35ec184654e9e1f270dad1f2934e5a017f371ebe11c7f9c2fab49f0c3e388810c19d44cf92f320181f
- SSDEEP 24576:xjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:xTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1F1658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4352 5fb8c1d6 - 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 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe Destination IP 2 223.5.5.5 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe Destination IP 17 114.114.114.114 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe Destination IP 18 223.5.5.5 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.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\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5fb8c1d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5fb8c1d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5fb8c1d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 5fb8c1d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 5fb8c1d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 5fb8c1d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 5fb8c1d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 5fb8c1d6 File created C:\Windows\SysWOW64\5fb8c1d6 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 5fb8c1d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 5fb8c1d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 5fb8c1d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 5fb8c1d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 5fb8c1d6 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 5fb8c1d6 -
resource yara_rule behavioral2/memory/4228-0-0x0000000000F80000-0x0000000001009000-memory.dmp upx behavioral2/files/0x000d00000001b846-2.dat upx behavioral2/memory/4352-3-0x0000000000780000-0x0000000000809000-memory.dmp upx behavioral2/memory/4228-10-0x0000000000F80000-0x0000000001009000-memory.dmp upx behavioral2/memory/4352-12-0x0000000000780000-0x0000000000809000-memory.dmp upx behavioral2/memory/4352-24-0x0000000000780000-0x0000000000809000-memory.dmp upx behavioral2/memory/4228-33-0x0000000000F80000-0x0000000001009000-memory.dmp upx behavioral2/memory/4352-34-0x0000000000780000-0x0000000000809000-memory.dmp upx behavioral2/memory/4352-36-0x0000000000780000-0x0000000000809000-memory.dmp upx behavioral2/memory/4352-39-0x0000000000780000-0x0000000000809000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\4a8200 5fb8c1d6 File opened for modification C:\Windows\486288 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.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 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5fb8c1d6 - 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 5fb8c1d6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 5fb8c1d6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 5fb8c1d6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 5fb8c1d6 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 5fb8c1d6 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 5fb8c1d6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 5fb8c1d6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 5fb8c1d6 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 5fb8c1d6 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4352 5fb8c1d6 4352 5fb8c1d6 4352 5fb8c1d6 4352 5fb8c1d6 4352 5fb8c1d6 4352 5fb8c1d6 4352 5fb8c1d6 4352 5fb8c1d6 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe Token: SeTcbPrivilege 4228 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe Token: SeDebugPrivilege 4352 5fb8c1d6 Token: SeTcbPrivilege 4352 5fb8c1d6
Processes
-
C:\Users\Admin\AppData\Local\Temp\977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe"C:\Users\Admin\AppData\Local\Temp\977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.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:4228
-
C:\Windows\Syswow64\5fb8c1d6C:\Windows\Syswow64\5fb8c1d61⤵
- 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:4352
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\5fb8c1d6
- Size 1.4MB
- SHA256 00e655eff062056fa07d3a601b35ed8396b46575f07f827664479ed0308f5c9a
- MD5 266ad54c1c862feeca202ee218af906f
- SHA1 2c2daa0f718b24f29636b4880c460f061125a901
- SHA512 8bdbac5dced1e74ed065c780c6d96d9a75d71cf0f7e1ed63a28a92395d6588900407210d425b8eb453d2512dd41604e89f8f201396944d137b1ed3e9060fa640
- SSDEEP 24576:njHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:nTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T1DA658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH