Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
17/10/2026, 09:50
General
- Target 2026-10-16_a8eae977672d0277d53bb7c858d657bb_akira_elex.exe
- Size 8.9MB
- Sample261017-ltymrsec39
- SHA256 dfc66a9e886aefaf9dfee1fed32e0c56011dd324472e34f9b7226a306e7c6865
Malware Config
Signatures
- Detect binaries embedding considerable number of MFA browser extension IDs. 1 IoCs
- Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 1 IoCs
- Detects executables containing bas64 encoded gzip files 1 IoCs
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Modifies registry class 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious use of SetWindowsHookEx 9 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-10-16_a8eae977672d0277d53bb7c858d657bb_akira_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-16_a8eae977672d0277d53bb7c858d657bb_akira_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\cde9a3994cdd0bb9.docx"2⤵
- Checks computer location settings
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\cde9a3994cdd0bb9.docx" /o ""3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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C:\Windows\System32\mshta.exeC:\Windows\System32\mshta.exe "C:\ProgramData\Package Cache\a42a0607dfa5684f\launch.hta"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\ProgramData\Package Cache\a42a0607dfa5684f\ZillberReleyHost.exe"C:\ProgramData\Package Cache\a42a0607dfa5684f\ZillberReleyHost.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\ProgramData\Package Cache\a42a0607dfa5684f\ZillberReleyHost.exe"C:\ProgramData\Package Cache\a42a0607dfa5684f\ZillberReleyHost.exe" --monitor 44603⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
ZillberReleyHost.exe
launch.hta
B76BE66D46C355931939D8CF818D03FD_39DF7432E6EF50CDA9C936E29E7DA30D
E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
B76BE66D46C355931939D8CF818D03FD_39DF7432E6EF50CDA9C936E29E7DA30D
E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
gb.xsl
TmpC7EF.tmp
cabED0C.tmp
cabED0D.tmp
cabED0E.tmp
cabED0F.tmp
cabED10.tmp
cabED20.tmp
cabED21.tmp
cabED22.tmp
cabED23.tmp
cabED24.tmp
cabED25.tmp
cabED26.tmp
cabED51.tmp
cde9a3994cdd0bb9.docx
VALD43TE8GVMPM93A5P5.temp
memory/3488-812-0x00007FFAB7310000-0x00007FFAB7320000-memory.dmp
memory/3488-656-0x00007FFAF93F0000-0x00007FFAF95E5000-memory.dmp
memory/3488-1517-0x00007FFAF93F0000-0x00007FFAF95E5000-memory.dmp
memory/3488-1651-0x00007FFAF93F0000-0x00007FFAF95E5000-memory.dmp
memory/3488-1649-0x00007FFAB9470000-0x00007FFAB9480000-memory.dmp
memory/3488-1650-0x00007FFAB9470000-0x00007FFAB9480000-memory.dmp
memory/3488-900-0x00007FFAB7310000-0x00007FFAB7320000-memory.dmp
memory/3488-752-0x00007FFAF93F0000-0x00007FFAF95E5000-memory.dmp
memory/3488-753-0x00007FFAF93F0000-0x00007FFAF95E5000-memory.dmp
memory/3488-706-0x00007FFAB9470000-0x00007FFAB9480000-memory.dmp
memory/3488-627-0x00007FFAF948D000-0x00007FFAF948E000-memory.dmp
memory/3488-1648-0x00007FFAB9470000-0x00007FFAB9480000-memory.dmp
memory/3488-609-0x00007FFAB9470000-0x00007FFAB9480000-memory.dmp
memory/3488-610-0x00007FFAB9470000-0x00007FFAB9480000-memory.dmp
memory/3488-611-0x00007FFAB9470000-0x00007FFAB9480000-memory.dmp
memory/3488-580-0x00007FFAB9470000-0x00007FFAB9480000-memory.dmp
memory/3488-1647-0x00007FFAB9470000-0x00007FFAB9480000-memory.dmp
memory/4460-1526-0x0000000005D40000-0x0000000005DA6000-memory.dmp
memory/4460-1502-0x00000000013E0000-0x0000000001434000-memory.dmp
memory/4460-1503-0x0000000001460000-0x0000000001478000-memory.dmp
memory/4460-1504-0x0000000005B30000-0x0000000005B7C000-memory.dmp