Analysis
- max time kernel
79s - max time network
131s - platform
windows7_x64 - resource
win7v200722 - submitted
07/10/2020, 12:16
General
- Target Halkbank_Ekstre_20201007_073608_299078.exe
- Size 914KB
- Sample201007-3a3evtd286
- SHA256 8b1e278db9ecbeda3510a251e207576256e5cfe3171becac7c8b5758f2ca3a9a
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 13 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 29 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20201007_073608_299078.exe"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20201007_073608_299078.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20201007_073608_299078.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20201007_073608_299078.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20201007_073608_299078.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20201007_073608_299078.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20201007_073608_299078.exe"{path}"2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20201007_073608_299078.exe'3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/528-18-0x0000000005240000-0x0000000005241000-memory.dmp
memory/528-49-0x0000000006300000-0x0000000006301000-memory.dmp
memory/528-26-0x0000000006130000-0x0000000006131000-memory.dmp
memory/528-21-0x0000000006030000-0x0000000006031000-memory.dmp
memory/528-17-0x0000000002580000-0x0000000002581000-memory.dmp
memory/528-50-0x0000000006310000-0x0000000006311000-memory.dmp
memory/528-15-0x0000000001F10000-0x0000000001F11000-memory.dmp
memory/528-14-0x0000000074AB0000-0x000000007519E000-memory.dmp
memory/528-27-0x0000000006210000-0x0000000006211000-memory.dmp
memory/528-16-0x0000000004970000-0x0000000004971000-memory.dmp
memory/528-35-0x00000000055D0000-0x00000000055D1000-memory.dmp
memory/528-34-0x00000000061B0000-0x00000000061B1000-memory.dmp
memory/1452-1-0x0000000000270000-0x0000000000271000-memory.dmp
memory/1452-5-0x00000000050D0000-0x000000000517F000-memory.dmp
memory/1452-0-0x0000000074AB0000-0x000000007519E000-memory.dmp
memory/1452-4-0x00000000048D0000-0x000000000497F000-memory.dmp
memory/1452-3-0x0000000000560000-0x0000000000564000-memory.dmp
memory/2008-8-0x0000000000400000-0x0000000000486000-memory.dmp
memory/2008-9-0x0000000000400000-0x0000000000486000-memory.dmp
memory/2008-10-0x0000000074AB0000-0x000000007519E000-memory.dmp
memory/2008-6-0x0000000000400000-0x0000000000486000-memory.dmp