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
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 2868 1f056c73 - 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 6 223.5.5.5 4880 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe Destination IP 24 114.114.114.114 4880 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe Destination IP 25 223.5.5.5 4880 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe Destination IP 3 114.114.114.114 4880 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1f056c73 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1f056c73 File created C:\Windows\SysWOW64\1f056c73 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1f056c73 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1f056c73 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1f056c73 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1f056c73 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1f056c73 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1f056c73 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1f056c73 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1f056c73 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1f056c73 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1f056c73 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 1f056c73 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 1f056c73 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1f056c73 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 1f056c73 -
resource yara_rule behavioral1/memory/4880-0-0x0000000000A00000-0x0000000000A89000-memory.dmp upx behavioral1/files/0x000900000002453e-2.dat upx behavioral1/memory/2868-3-0x00000000001E0000-0x0000000000269000-memory.dmp upx behavioral1/memory/4880-10-0x0000000000A00000-0x0000000000A89000-memory.dmp upx behavioral1/memory/2868-13-0x00000000001E0000-0x0000000000269000-memory.dmp upx behavioral1/memory/4880-30-0x0000000000A00000-0x0000000000A89000-memory.dmp upx behavioral1/memory/2868-31-0x00000000001E0000-0x0000000000269000-memory.dmp upx behavioral1/memory/4880-49-0x0000000000A00000-0x0000000000A89000-memory.dmp upx behavioral1/memory/4880-55-0x0000000000A00000-0x0000000000A89000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\3119e8 1f056c73 File opened for modification C:\Windows\538c20 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 1f056c73 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1f056c73 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1f056c73 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1f056c73 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1f056c73 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 1f056c73 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1f056c73 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1f056c73 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1f056c73 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1f056c73 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2868 1f056c73 2868 1f056c73 2868 1f056c73 2868 1f056c73 2868 1f056c73 2868 1f056c73 2868 1f056c73 2868 1f056c73 4880 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4880 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4880 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4880 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4880 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe 4880 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4880 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe Token: SeTcbPrivilege 4880 977d3b0979c103f3ce4c0a88db967d2e99c32a63368f6d7da3ea3eb102960be1.exe Token: SeDebugPrivilege 2868 1f056c73 Token: SeTcbPrivilege 2868 1f056c73
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:4880
-
C:\Windows\Syswow64\1f056c73C:\Windows\Syswow64\1f056c731⤵
- 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:2868
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1f056c73
- Size 1.4MB
- SHA256 7302363988eaab1d73ed07d6dcabf9b1f83c8b6e7a0636e7efabee5bdf5032fa
- MD5 e487aa3e9064c4820a302d8e83c2628c
- SHA1 68697d79e8a7659f5880f262bafc31befc05b1d9
- SHA512 b45f8b6c2aca58ee750442507064a8dfdd02a63c4e7dd9a825b1938e6549183f508bda221a8104097dfd735bcfcef803c535a260f4adee38c14994f9f664d8d2
- SSDEEP 24576:yjHPOSOkx2LFscU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:yTGkQy56/OJdJCXDrsOFZMjHfUr
- TLSH T103658E31AAC14132E2B3867186FA56F6A5257C222711E5CF62C97B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH