Analysis
- max time kernel
149s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
24/10/2026, 21:35
General
- Target 2026-10-22_10363076da228b119c11443398f84fea_akira_rusty-stealer.exe
- Size 6.7MB
- Sample261024-1ff8ws119q
- SHA256 e2026060f9aa0792121a53a742b37afddf90c416a74c902521a2346e51a2e734
Malware Config
Signatures
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 6 IoCs
- Downloads MZ/PE file 8 IoCs
- Modifies RDP port number used by Windows 1 TTPs
- Executes dropped EXE 1 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- 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.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-22_10363076da228b119c11443398f84fea_akira_rusty-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-22_10363076da228b119c11443398f84fea_akira_rusty-stealer.exe"1⤵
- Downloads MZ/PE file
- Reads the TCP/IP host and domain name from the registry
-
C:\ProgramData\SystemCertificates\0ff7d86db514bc12\ZillberReleyHost.exeC:\ProgramData\SystemCertificates\0ff7d86db514bc12\ZillberReleyHost.exe /c1⤵
- Downloads MZ/PE file
- Executes dropped EXE
- Checks whether UAC is enabled
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
1
GROUP
INSTALL_TIME
index.dat
REMARK
ZillberReleyHost.exe
B76BE66D46C355931939D8CF818D03FD_39DF7432E6EF50CDA9C936E29E7DA30D
B76BE66D46C355931939D8CF818D03FD_68DC46933CF3DE41CC968E0784D43DC3
B76BE66D46C355931939D8CF818D03FD_879AFEB08DCB012707582D902977FF92
E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
B76BE66D46C355931939D8CF818D03FD_39DF7432E6EF50CDA9C936E29E7DA30D
B76BE66D46C355931939D8CF818D03FD_68DC46933CF3DE41CC968E0784D43DC3
B76BE66D46C355931939D8CF818D03FD_879AFEB08DCB012707582D902977FF92
E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
Rpcrt4_dll_2900_1792877732108279900.dll
advapi32_dll_2900_1792877732104811500.dll
kernel32_dll_2900_1792877732108279900.dll
ntdll_dll_2900_1792877732103057000.dll
memory/1984-35-0x00007FFB9DB80000-0x00007FFB9DC96000-memory.dmp
memory/1984-23-0x00007FFB9E240000-0x00007FFB9E307000-memory.dmp
memory/1984-27-0x00007FFB9E750000-0x00007FFB9E802000-memory.dmp
memory/1984-39-0x00007FFB9EE00000-0x00007FFB9F063000-memory.dmp
memory/2900-1573-0x000001CF081A0000-0x000001CF0824E000-memory.dmp
memory/2900-1562-0x00007FFB9DB80000-0x00007FFB9DC96000-memory.dmp
memory/2900-1556-0x00007FFB9E240000-0x00007FFB9E307000-memory.dmp
memory/2900-1567-0x000001CF08190000-0x000001CF08195000-memory.dmp
memory/2900-1550-0x00007FFB9E750000-0x00007FFB9E802000-memory.dmp
memory/2900-1566-0x00007FFB9EE00000-0x00007FFB9F063000-memory.dmp
memory/2900-1597-0x000001CF081A0000-0x000001CF0824E000-memory.dmp
memory/2900-1601-0x000001CF081A0000-0x000001CF0824E000-memory.dmp
memory/2900-1602-0x000001CF081A0000-0x000001CF0824E000-memory.dmp
memory/2900-1603-0x000001CF081A0000-0x000001CF0824E000-memory.dmp
memory/2900-1607-0x000001CF081A0000-0x000001CF0824E000-memory.dmp