Analysis
- max time kernel
149s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
22/04/2026, 20:59
Behavioral task
behavioral1
Sample
5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe
Resource
win10v2004-20260130-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe
Resource
win11-20260130-en
10 signatures
150 seconds
General
- Target 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe
- Size 761KB
- Sample260422-zsys2aew9j
- SHA256 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458
- MD5 b8700920dcefd4e22bc27b2c76d21579
- SHA1 0549ba9c00a38accc0cb0106ccb37d049be55259
- SHA512 613e206b8c0a6227035a689cc792177bf7d793c5489fe96e13d8d03f3205ab74c8a856a1433d26e1f772005ebf9005a160dd668028d619490c9d0195d0e375cf
- SSDEEP 12288:2SvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:1vO2xJKRw2kOkxSkW298B
- TLSH T152F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1156 c89dee8 - 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 24 223.5.5.5 4292 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe Destination IP 2 114.114.114.114 4292 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe Destination IP 3 223.5.5.5 4292 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe Destination IP 21 114.114.114.114 4292 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe - Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\SysWOW64\c89dee8 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 c89dee8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE c89dee8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies c89dee8 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 c89dee8 -
resource yara_rule behavioral1/memory/4292-0-0x0000000000F30000-0x0000000000FBC000-memory.dmp upx behavioral1/files/0x0007000000022e76-2.dat upx behavioral1/memory/1156-3-0x0000000000F00000-0x0000000000F8C000-memory.dmp upx behavioral1/memory/4292-10-0x0000000000F30000-0x0000000000FBC000-memory.dmp upx behavioral1/memory/1156-12-0x0000000000F00000-0x0000000000F8C000-memory.dmp upx behavioral1/memory/1156-28-0x0000000000F00000-0x0000000000F8C000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\13ca88 c89dee8 File opened for modification C:\Windows\497b08 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.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 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c89dee8 - Modifies data under HKEY_USERS 8 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" c89dee8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" c89dee8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix c89dee8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" c89dee8 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ c89dee8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" c89dee8 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" c89dee8 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" c89dee8 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1156 c89dee8 1156 c89dee8 1156 c89dee8 1156 c89dee8 1156 c89dee8 1156 c89dee8 1156 c89dee8 1156 c89dee8 4292 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe 4292 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe 4292 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe 4292 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe 4292 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe 4292 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4292 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe Token: SeTcbPrivilege 4292 5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe Token: SeDebugPrivilege 1156 c89dee8 Token: SeTcbPrivilege 1156 c89dee8
Processes
-
C:\Users\Admin\AppData\Local\Temp\5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.exe"C:\Users\Admin\AppData\Local\Temp\5a7b45880dac3dd7be1c606d427cdac508e11b5fbcfdce24633a04c396307458.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:4292
-
C:\Windows\Syswow64\c89dee8C:\Windows\Syswow64\c89dee81⤵
- 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:1156
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\c89dee8
- Size 761KB
- SHA256 9aba02df4405a31d38953d8b383337d662e7535e05bf50b9eb71a08b2583b57c
- MD5 94dfb6dac162903df7c987d4a9f32059
- SHA1 2cb14bfbda0d74f44acfbca81e6526793d180b30
- SHA512 55977e1471fda3bc823a965b3f0fabe12116e9caab0df693e2fc537763973a7516b1882112b0be9a57c700f65aaf11b676f16f1101e7d079761151de789aba7e
- SSDEEP 12288:/SvO2x9mONvKRwLSFtsOkxHya5hYIW0p98B:KvO2xJKRw2kOkxSkW298B
- TLSH T194F49E35A2808036C0B34532C6F94AABF9797D35631565CBA3843B662F737D2BA3570E
- MD5 SHA1 SHA512 SSDEEP TLSH