Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/08/2026, 02:52
Behavioral task
behavioral1
Sample
8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe
- Size 761KB
- Sample260809-dcqa3aygjc
- SHA256 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b
- MD5 3a94430c160c19e1d4e6c5f457884ed7
- SHA1 5ca000f3e97a3def2325d5c89a0c35a44519df02
- SHA512 b8af344ace25f573c059e15d6c4b5d389c9bf7e4bf74158c10ec716f3f70d60ea4f251bf3b1e71cc1b39ba8bd2feb7c3880ce3a08df1b19bf671a99428bfd8b4
- SSDEEP 12288:nSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:SvO2xJKRw2kOkxSkW298B
- TLSH T1D5F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 5020 fa2a1a5c - 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 1 114.114.114.114 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe Destination IP 2 223.5.5.5 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe Destination IP 17 114.114.114.114 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe Destination IP 18 223.5.5.5 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe - Drops file in System32 directory 15 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fa2a1a5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fa2a1a5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies fa2a1a5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache fa2a1a5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData fa2a1a5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 fa2a1a5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE fa2a1a5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fa2a1a5c File created C:\Windows\SysWOW64\fa2a1a5c 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft fa2a1a5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content fa2a1a5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 fa2a1a5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 fa2a1a5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 fa2a1a5c File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 fa2a1a5c -
resource yara_rule behavioral2/memory/476-0-0x0000000000DF0000-0x0000000000E7C000-memory.dmp upx behavioral2/files/0x00080000000068df-2.dat upx behavioral2/memory/5020-4-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral2/memory/476-18-0x0000000000DF0000-0x0000000000E7C000-memory.dmp upx behavioral2/memory/5020-19-0x0000000000460000-0x00000000004EC000-memory.dmp upx behavioral2/memory/5020-30-0x0000000000460000-0x00000000004EC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\82638 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe File opened for modification C:\Windows\55f1b8 fa2a1a5c - 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 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fa2a1a5c - 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 fa2a1a5c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" fa2a1a5c Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" fa2a1a5c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ fa2a1a5c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" fa2a1a5c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" fa2a1a5c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" fa2a1a5c Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" fa2a1a5c Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing fa2a1a5c - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 5020 fa2a1a5c 5020 fa2a1a5c 5020 fa2a1a5c 5020 fa2a1a5c 5020 fa2a1a5c 5020 fa2a1a5c 5020 fa2a1a5c 5020 fa2a1a5c 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe Token: SeTcbPrivilege 476 8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe Token: SeDebugPrivilege 5020 fa2a1a5c Token: SeTcbPrivilege 5020 fa2a1a5c
Processes
-
C:\Users\Admin\AppData\Local\Temp\8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.exe"C:\Users\Admin\AppData\Local\Temp\8b02fa28a22d0632d10e5f27923f9546f0c2c096075a237cbbc365b85c4de56b.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:476
-
C:\Windows\Syswow64\fa2a1a5cC:\Windows\Syswow64\fa2a1a5c1⤵
- 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:5020
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\fa2a1a5c
- Size 761KB
- SHA256 d630edf17f7d58f132e7bdfdff5e4fef09458021377b62fe148ba5de20350504
- MD5 1f4fdf8cf39a7879c00d536461d01c25
- SHA1 4abd940b662325147a7b2153e94650a2f0b2b737
- SHA512 312a675885c646b7727d605c68582beffe317e336af5b91afb0ae4861a6f08048398fa1ee6d278b67be54ddfde73cf14ecf865cdfecf91333d36fd91c1346a0d
- SSDEEP 12288:KSvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:RvO2xJKRw2kOkxSkW298B
- TLSH T113F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH