Analysis
- max time kernel
148s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/08/2026, 21:27
Behavioral task
behavioral1
Sample
dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe
- Size 1.7MB
- Sample260825-1argnswtay
- SHA256 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1
- MD5 cc4b8a94532039df3dd13d1661fbbeca
- SHA1 d04065fd24af492ebc5c2d44ed351fc25f23ea24
- SHA512 ac295264850b1e87c3a5ba8ce000ce68e449bcb816a223ce922749a4ffedc131d2432075eda42515fdc54726326b22d6f2e230627736930943e558ffae3d4eef
- SSDEEP 24576:8vO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:8HHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T12E858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5032 b59754e0 - 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 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe Destination IP 4 223.5.5.5 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe Destination IP 14 114.114.114.114 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe Destination IP 15 223.5.5.5 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b59754e0 File created C:\Windows\SysWOW64\b59754e0 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE b59754e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies b59754e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 b59754e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache b59754e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b59754e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 b59754e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 b59754e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft b59754e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData b59754e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 b59754e0 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content b59754e0 -
resource yara_rule behavioral2/memory/4600-0-0x0000000000170000-0x00000000001FC000-memory.dmp upx behavioral2/files/0x000d000000016cdc-2.dat upx behavioral2/memory/5032-3-0x00000000005E0000-0x000000000066C000-memory.dmp upx behavioral2/memory/4600-10-0x0000000000170000-0x00000000001FC000-memory.dmp upx behavioral2/memory/5032-11-0x00000000005E0000-0x000000000066C000-memory.dmp upx behavioral2/memory/5032-27-0x00000000005E0000-0x000000000066C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\562650 b59754e0 File opened for modification C:\Windows\4ec0f0 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.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 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b59754e0 - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing b59754e0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix b59754e0 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ b59754e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" b59754e0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" b59754e0 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" b59754e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" b59754e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" b59754e0 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" b59754e0 - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5032 b59754e0 5032 b59754e0 5032 b59754e0 5032 b59754e0 5032 b59754e0 5032 b59754e0 5032 b59754e0 5032 b59754e0 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe Token: SeTcbPrivilege 4600 dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe Token: SeDebugPrivilege 5032 b59754e0 Token: SeTcbPrivilege 5032 b59754e0
Processes
-
C:\Users\Admin\AppData\Local\Temp\dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.exe"C:\Users\Admin\AppData\Local\Temp\dd6f0c9820437c1d3adae4b6c8843e1766c3611b9dee0fd13396388b58ad80a1.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:4600
-
C:\Windows\Syswow64\b59754e0C:\Windows\Syswow64\b59754e01⤵
- 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:5032
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\b59754e0
- Size 1.7MB
- SHA256 119753bd4799a3b3105b30298312716fa5c29a3da714d6e4a9c632b39182441d
- MD5 67f026174c374a2544b797d4319852e9
- SHA1 103ac6291e66392e0e0168c856aab3600d1ad8c9
- SHA512 bb45c6af7cfb29a112eba155ebc552eaee5fc3bf5b2f8dc57402de70c789bc1d6707fcfee865108597ba73beef28c08f353aae98f7b766ce2baa6514783256b3
- SSDEEP 24576:4vO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:4HHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T17F858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH