Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
25/09/2026, 19:38
Behavioral task
behavioral1
Sample
f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe
- Size 1.7MB
- Sample260925-yck2kaws2p
- SHA256 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf
- MD5 0cd96273709ab32827fc54cbae31988b
- SHA1 50a1e8636617f7d1ea302b83fc2b08294927344e
- SHA512 3eee990ebb6ea04384646b091c981dc8a0d07dba0cd3f8e75479c4f69e98e3b6f758528450f0d2631387a3a88315524ee187abf67a378571bfd7a2ed19ecfdb0
- SSDEEP 24576:FvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:FHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T13A858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1840 1097940 - Unexpected DNS network traffic destination 20 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 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 6 223.5.5.5 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 65 114.114.114.114 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 130 114.114.114.114 1840 1097940 Destination IP 301 114.114.114.114 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 302 223.5.5.5 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 383 223.5.5.5 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 474 114.114.114.114 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 66 223.5.5.5 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 240 114.114.114.114 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 241 223.5.5.5 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 346 114.114.114.114 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 414 223.5.5.5 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 131 223.5.5.5 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 202 114.114.114.114 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 203 223.5.5.5 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 382 114.114.114.114 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 475 223.5.5.5 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 349 223.5.5.5 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Destination IP 413 114.114.114.114 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe - Drops file in System32 directory 13 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 1097940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 1097940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 1097940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1097940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1097940 File created C:\Windows\SysWOW64\1097940 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 1097940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 1097940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 1097940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 1097940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 1097940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 1097940 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 1097940 -
resource yara_rule behavioral1/memory/1604-0-0x0000000000130000-0x00000000001BC000-memory.dmp upx behavioral1/files/0x0013000000024346-2.dat upx behavioral1/memory/1840-3-0x0000000000DB0000-0x0000000000E3C000-memory.dmp upx behavioral1/memory/1604-18-0x0000000000130000-0x00000000001BC000-memory.dmp upx behavioral1/memory/1840-19-0x0000000000DB0000-0x0000000000E3C000-memory.dmp upx behavioral1/memory/1840-38-0x0000000000DB0000-0x0000000000E3C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\1f8060 1097940 File opened for modification C:\Windows\1b7608 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 1097940 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain 1097940 Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.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 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1097940 - 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 1097940 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 1097940 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 1097940 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 1097940 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 1097940 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 1097940 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 1097940 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 1097940 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 1097940 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1840 1097940 1840 1097940 1840 1097940 1840 1097940 1840 1097940 1840 1097940 1840 1097940 1840 1097940 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Token: SeTcbPrivilege 1604 f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe Token: SeDebugPrivilege 1840 1097940 Token: SeTcbPrivilege 1840 1097940
Processes
-
C:\Users\Admin\AppData\Local\Temp\f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe"C:\Users\Admin\AppData\Local\Temp\f73f8bcb188619cd2e1dd4c3b689ea42e001be451a17c78289cd467bcf1e61bf.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1604
-
C:\Windows\Syswow64\1097940C:\Windows\Syswow64\10979401⤵
- Executes dropped EXE
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1840
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\1097940
- Size 1.7MB
- SHA256 fdb330fd817460162de6001f59cf375847a587c34701f351f943686442e2c73d
- MD5 800de4fff8ef90aabe59c874f24423e4
- SHA1 7841f73aa0ef72b7b6de24cd397823f4539cb0ab
- SHA512 81864b2c4bed120240e8a1705f48280b6f654c7136e1cbe46499744dad096937ad4bebd299d713fed93ae86ffc0443895153d196dae2a71703d13972b4c9747d
- SSDEEP 24576:nvO2xJKRw2kOkx2LFRvcU6UQOJdBqsCPhH9Do2sOfNZMjHfUr:nHHKe2WQX56/OJdJCXDrsOFZMjHfUr
- TLSH T162858D31AAC04132E2B3867585FA56F6A9257C222721E5CF62C57B291E737D3ED3070E
- MD5 SHA1 SHA512 SSDEEP TLSH