Analysis
- max time kernel
141s - max time network
129s - platform
windows11-21h2_x64 - resource
win11-20240611-en - resource tags
- submitted
25/06/2024, 21:31
General
- Target a06bc1c6f7552b2ecf4fa92e6bb1aeb6f78ced18e5a03636b53fae1aa22a607d.exe
- Size 5.0MB
- Sample240625-1dfjksvbje
- SHA256 a06bc1c6f7552b2ecf4fa92e6bb1aeb6f78ced18e5a03636b53fae1aa22a607d
Malware Config
Extracted
-
socks5systemz
-
beasrqu.com
-
http://beasrqu.com/search/?q=67e28dd83d0ea428165baf167c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff612c5ee949d3f
-
http://beasrqu.com/search/?q=67e28dd83d0ea428165baf167c27d78406abdd88be4b12eab517aa5c96bd86ea92834496148ab2865b77f80ebad9c40f7cb63037ed2ab423a4664383ba915d911ec07bb606a0708727e40ea678c751bbe34efb0e2807e12571c17f3e83fe16c1e6969f3acc6892
Signatures
- Detect Socks5Systemz Payload 3 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a06bc1c6f7552b2ecf4fa92e6bb1aeb6f78ced18e5a03636b53fae1aa22a607d.exe"C:\Users\Admin\AppData\Local\Temp\a06bc1c6f7552b2ecf4fa92e6bb1aeb6f78ced18e5a03636b53fae1aa22a607d.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-MS7A9.tmp\a06bc1c6f7552b2ecf4fa92e6bb1aeb6f78ced18e5a03636b53fae1aa22a607d.tmp"C:\Users\Admin\AppData\Local\Temp\is-MS7A9.tmp\a06bc1c6f7552b2ecf4fa92e6bb1aeb6f78ced18e5a03636b53fae1aa22a607d.tmp" /SL5="$40204,4943169,54272,C:\Users\Admin\AppData\Local\Temp\a06bc1c6f7552b2ecf4fa92e6bb1aeb6f78ced18e5a03636b53fae1aa22a607d.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mp3ripfreeedition32_64.exe
a06bc1c6f7552b2ecf4fa92e6bb1aeb6f78ced18e5a03636b53fae1aa22a607d.tmp
_iscrypt.dll
memory/1504-95-0x0000000000400000-0x0000000000721000-memory.dmp
memory/1504-78-0x0000000000400000-0x0000000000721000-memory.dmp
memory/1504-119-0x0000000000400000-0x0000000000721000-memory.dmp
memory/1504-116-0x0000000000400000-0x0000000000721000-memory.dmp
memory/1504-112-0x0000000000A20000-0x0000000000AC2000-memory.dmp
memory/1504-111-0x0000000000A20000-0x0000000000AC2000-memory.dmp
memory/1504-110-0x0000000000400000-0x0000000000721000-memory.dmp
memory/1504-68-0x0000000000400000-0x0000000000721000-memory.dmp
memory/1504-107-0x0000000000400000-0x0000000000721000-memory.dmp
memory/1504-104-0x0000000000400000-0x0000000000721000-memory.dmp
memory/1504-71-0x0000000000400000-0x0000000000721000-memory.dmp
memory/1504-75-0x0000000000400000-0x0000000000721000-memory.dmp
memory/1504-74-0x0000000000400000-0x0000000000721000-memory.dmp
memory/1504-101-0x0000000000400000-0x0000000000721000-memory.dmp
memory/1504-81-0x0000000000400000-0x0000000000721000-memory.dmp
memory/1504-84-0x0000000000400000-0x0000000000721000-memory.dmp
memory/1504-87-0x0000000000A20000-0x0000000000AC2000-memory.dmp
memory/1504-90-0x0000000000400000-0x0000000000721000-memory.dmp
memory/1504-98-0x0000000000400000-0x0000000000721000-memory.dmp
memory/2324-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2324-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2324-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3156-65-0x0000000000400000-0x0000000000721000-memory.dmp
memory/3156-63-0x0000000000400000-0x0000000000721000-memory.dmp
memory/3156-60-0x0000000000400000-0x0000000000721000-memory.dmp
memory/3156-59-0x0000000000400000-0x0000000000721000-memory.dmp
memory/4676-12-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4676-70-0x0000000000400000-0x00000000004BA000-memory.dmp