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, 04:48
Behavioral task
behavioral1
Sample
44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe
- Size 1.4MB
- Sample260720-fe4btae16j
- SHA256 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326
- MD5 320a63e97bb01f2e22b355eafaaa9aae
- SHA1 7662de51a4fa7c68c93ab8133a20dcc43e2696cd
- SHA512 2b4cb997698ac74a363b32351245b8deafdb67d39ccec8c601a868ead76e81b78fe01fa9c0f05bd981da3b78466f602eaee5592453fe92dbf495a00bba318434
- SSDEEP 24576:wjHPOSOkx2LFscUQPxuZ98Es8k3OH3C0rQ6+8pKJJFo3Q+qdCOKIbA0I:wTGkQy5QZuTtS0rQMYOQ+q8CE0I
- TLSH T14965AE21B341C036D59A01758ABE4BAE957CBD314B2551C7B3C87E7E6FB12D2AA3130B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2824 71fb0614 - 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 4 223.5.5.5 1396 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe Destination IP 33 114.114.114.114 1396 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe Destination IP 34 223.5.5.5 1396 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe Destination IP 3 114.114.114.114 1396 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 71fb0614 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 71fb0614 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 71fb0614 File created C:\Windows\SysWOW64\71fb0614 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 71fb0614 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 71fb0614 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 71fb0614 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 71fb0614 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 71fb0614 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 71fb0614 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 71fb0614 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 71fb0614 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 71fb0614 -
resource yara_rule behavioral1/memory/1396-0-0x0000000000FC0000-0x0000000001049000-memory.dmp upx behavioral1/files/0x000c0000000242b5-2.dat upx behavioral1/memory/2824-4-0x0000000000140000-0x00000000001C9000-memory.dmp upx behavioral1/memory/1396-16-0x0000000000FC0000-0x0000000001049000-memory.dmp upx behavioral1/memory/2824-18-0x0000000000140000-0x00000000001C9000-memory.dmp upx behavioral1/memory/1396-27-0x0000000000FC0000-0x0000000001049000-memory.dmp upx behavioral1/memory/2824-28-0x0000000000140000-0x00000000001C9000-memory.dmp upx behavioral1/memory/2824-33-0x0000000000140000-0x00000000001C9000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\305910 71fb0614 File opened for modification C:\Windows\17e668 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.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 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 71fb0614 - 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 71fb0614 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 71fb0614 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 71fb0614 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 71fb0614 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 71fb0614 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 71fb0614 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 71fb0614 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 71fb0614 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 71fb0614 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2824 71fb0614 2824 71fb0614 2824 71fb0614 2824 71fb0614 2824 71fb0614 2824 71fb0614 2824 71fb0614 2824 71fb0614 1396 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe 1396 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe 1396 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe 1396 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe 1396 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe 1396 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1396 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe Token: SeTcbPrivilege 1396 44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe Token: SeDebugPrivilege 2824 71fb0614 Token: SeTcbPrivilege 2824 71fb0614
Processes
-
C:\Users\Admin\AppData\Local\Temp\44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.exe"C:\Users\Admin\AppData\Local\Temp\44b4861eb85197707868bd2dcb3dfb4567dd45dcf1ccfc616a7a39fa39b95326.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:1396
-
C:\Windows\Syswow64\71fb0614C:\Windows\Syswow64\71fb06141⤵
- 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:2824
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\71fb0614
- Size 1.4MB
- SHA256 b6a3fbfc4f6afb24e4ad57bccc77eea2c0b9f712136dd6d507c0198c7769fb03
- MD5 3570f95fd4bc2e14f138d1025be6851a
- SHA1 39c7872d8d0a259b7cd4d10200cc826faac5524c
- SHA512 531ae87a01ccd971baad47ff9a57c100881ad727bf519b45a9ce49214605c46a0e50401b5a8e3f2a858bcfc77586f7b8bdd453afb3bddc93656b837fcd5ac73f
- SSDEEP 24576:CjHPOSOkx2LFscUQPxuZ98Es8k3OH3C0rQ6+8pKJJFo3Q+qdCOKIbA0I:CTGkQy5QZuTtS0rQMYOQ+q8CE0I
- TLSH T1E165AE21B341C036D59A01758ABE4BAE957CBD314B2551C7B3C87E7E6FB12D2AA3130B
- MD5 SHA1 SHA512 SSDEEP TLSH