Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
02/08/2024, 02:32
General
- Target eb7ecf4bc50ec08df3319404d829526a4a4354db932d23b67ce6c5d960a9fd84.exe
- Size 3.8MB
- Sample240802-c1rclawajc
- SHA256 eb7ecf4bc50ec08df3319404d829526a4a4354db932d23b67ce6c5d960a9fd84
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\eb7ecf4bc50ec08df3319404d829526a4a4354db932d23b67ce6c5d960a9fd84.exe"C:\Users\Admin\AppData\Local\Temp\eb7ecf4bc50ec08df3319404d829526a4a4354db932d23b67ce6c5d960a9fd84.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-PC8L1.tmp\eb7ecf4bc50ec08df3319404d829526a4a4354db932d23b67ce6c5d960a9fd84.tmp"C:\Users\Admin\AppData\Local\Temp\is-PC8L1.tmp\eb7ecf4bc50ec08df3319404d829526a4a4354db932d23b67ce6c5d960a9fd84.tmp" /SL5="$502CC,3762062,54272,C:\Users\Admin\AppData\Local\Temp\eb7ecf4bc50ec08df3319404d829526a4a4354db932d23b67ce6c5d960a9fd84.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Quality MP3 Modifier\qualitymp3modifier.exe"C:\Users\Admin\AppData\Local\Quality MP3 Modifier\qualitymp3modifier.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Quality MP3 Modifier\qualitymp3modifier.exe"C:\Users\Admin\AppData\Local\Quality MP3 Modifier\qualitymp3modifier.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
qualitymp3modifier.exe
_iscrypt.dll
eb7ecf4bc50ec08df3319404d829526a4a4354db932d23b67ce6c5d960a9fd84.tmp
memory/3920-52-0x0000000000400000-0x000000000081C000-memory.dmp
memory/3920-55-0x0000000000400000-0x000000000081C000-memory.dmp
memory/3920-56-0x0000000000400000-0x000000000081C000-memory.dmp
memory/3920-53-0x0000000000400000-0x000000000081C000-memory.dmp
memory/3980-60-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3980-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3980-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4060-65-0x0000000000400000-0x000000000081C000-memory.dmp
memory/4060-81-0x0000000000400000-0x000000000081C000-memory.dmp
memory/4060-106-0x0000000000400000-0x000000000081C000-memory.dmp
memory/4060-62-0x0000000000400000-0x000000000081C000-memory.dmp
memory/4060-103-0x0000000000400000-0x000000000081C000-memory.dmp
memory/4060-68-0x0000000000400000-0x000000000081C000-memory.dmp
memory/4060-71-0x0000000000400000-0x000000000081C000-memory.dmp
memory/4060-74-0x0000000000400000-0x000000000081C000-memory.dmp
memory/4060-77-0x0000000000A70000-0x0000000000B12000-memory.dmp
memory/4060-58-0x0000000000400000-0x000000000081C000-memory.dmp
memory/4060-84-0x0000000000400000-0x000000000081C000-memory.dmp
memory/4060-87-0x0000000000400000-0x000000000081C000-memory.dmp
memory/4060-90-0x0000000000400000-0x000000000081C000-memory.dmp
memory/4060-93-0x0000000000400000-0x000000000081C000-memory.dmp
memory/4060-96-0x0000000000400000-0x000000000081C000-memory.dmp
memory/4060-99-0x0000000000400000-0x000000000081C000-memory.dmp
memory/4892-10-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4892-61-0x0000000000400000-0x00000000004BD000-memory.dmp