Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
18/04/2026, 10:01
Behavioral task
behavioral1
Sample
fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe
- Size 560KB
- Sample260418-l2a7facv7v
- SHA256 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0
- MD5 05620864824720fca23f9eb435d12a65
- SHA1 d0b660a26abb8fd60d292a465fc57bf747806375
- SHA512 f68c8efd56be287b5ead62ce90e263c488f864d51d0532adc45c4bd8408c2339edd3c3607c0aef72b7735ee92df59cae44cc6240fab05a70ff92c38c6fbdc569
- SSDEEP 6144:jWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:jkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1E2C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2796 faff45cc - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 46 223.5.5.5 2388 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe Destination IP 106 114.114.114.114 2388 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe Destination IP 107 223.5.5.5 2388 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe Destination IP 3 114.114.114.114 2388 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe Destination IP 4 223.5.5.5 2388 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe Destination IP 44 114.114.114.114 2388 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 faff45cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content faff45cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 faff45cc File created C:\Windows\SysWOW64\faff45cc fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 faff45cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 faff45cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 faff45cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 faff45cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE faff45cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies faff45cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 faff45cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache faff45cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData faff45cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 faff45cc File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft faff45cc -
resource yara_rule behavioral1/memory/2388-0-0x00000000007E0000-0x000000000086C000-memory.dmp upx behavioral1/files/0x000b00000001e6b9-2.dat upx behavioral1/memory/2796-3-0x00000000009D0000-0x0000000000A5C000-memory.dmp upx behavioral1/memory/2388-18-0x00000000007E0000-0x000000000086C000-memory.dmp upx behavioral1/memory/2796-19-0x00000000009D0000-0x0000000000A5C000-memory.dmp upx behavioral1/memory/2796-32-0x00000000009D0000-0x0000000000A5C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\2fde58 faff45cc File opened for modification C:\Windows\28e228 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.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 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language faff45cc - 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\History\CachePrefix = "Visited:" faff45cc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ faff45cc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" faff45cc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix faff45cc Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" faff45cc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" faff45cc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" faff45cc Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" faff45cc Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing faff45cc - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2796 faff45cc 2796 faff45cc 2796 faff45cc 2796 faff45cc 2796 faff45cc 2796 faff45cc 2796 faff45cc 2796 faff45cc 2388 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe 2388 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe 2388 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe 2388 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe 2388 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe 2388 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2388 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe Token: SeTcbPrivilege 2388 fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe Token: SeDebugPrivilege 2796 faff45cc Token: SeTcbPrivilege 2796 faff45cc
Processes
-
C:\Users\Admin\AppData\Local\Temp\fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.exe"C:\Users\Admin\AppData\Local\Temp\fa0324afa29ac5297af09a1d5bf191a40b504e71bfc066aeb3b70813057a9fb0.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:2388
-
C:\Windows\Syswow64\faff45ccC:\Windows\Syswow64\faff45cc1⤵
- 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:2796
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\faff45cc
- Size 560KB
- SHA256 7f4336c0489753b1037ab49b23612dda0f5f1ee44b14d1d3752aa0460ab6bb52
- MD5 6c5e2e5df5fe90b8be54a3aa3cc71bc9
- SHA1 5e83a66cf30cef8707d339c5e0549d9e60b650d3
- SHA512 45df28e566f7e002623a3fc0d4b9a27d37a7185b8932e70b2d087a265a0d46062894b567577df09bb3504e553cce28c02109d442973d19d3028c78441bef3f60
- SSDEEP 6144:gWVrC1c2oonALgPLj7vf1LKlyIFVirGcEOkCybEaQRXr9HNdvOa+y8K:gkCO2zVPX7vf1LKlIsOkx2LIa+y
- TLSH T1C2C47C2AF6A0C036C4779574C4A257AAFFB1B42127204ACFA390475A1F637E2BE7531D
- MD5 SHA1 SHA512 SSDEEP TLSH