Analysis
- max time kernel
141s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
11/05/2024, 07:56
General
- Target a519099e2782c1ddf5bfcd1d5cb7a59e.exe
- Size 4.2MB
- Sample240511-jsp8wsfa5w
- SHA256 10da91cb97285df01fcb5a7d0400d1cd938152c69d043ae6b98b11aed3040774
Malware Config
Extracted
-
socks5systemz
-
http://ddngfji.info/search/?q=67e28dd83f5aa4794209ff1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffa15c1eb979e3f
-
http://ddngfji.info/search/?q=67e28dd83f5aa4794209ff1c7c27d78406abdd88be4b12eab517aa5c96bd86ef938f4f895a8bbc896c58e713bc90c91d36b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee909e3ac96d9212
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.
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a519099e2782c1ddf5bfcd1d5cb7a59e.exe"C:\Users\Admin\AppData\Local\Temp\a519099e2782c1ddf5bfcd1d5cb7a59e.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-I1D7G.tmp\a519099e2782c1ddf5bfcd1d5cb7a59e.tmp"C:\Users\Admin\AppData\Local\Temp\is-I1D7G.tmp\a519099e2782c1ddf5bfcd1d5cb7a59e.tmp" /SL5="$6011C,4126168,54272,C:\Users\Admin\AppData\Local\Temp\a519099e2782c1ddf5bfcd1d5cb7a59e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe"C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe" -i3⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe"C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
libeay32.dll
mixerfreeedition.exe
_iscrypt.dll
a519099e2782c1ddf5bfcd1d5cb7a59e.tmp
memory/60-71-0x0000000000400000-0x00000000004BE000-memory.dmp
memory/60-16-0x0000000000400000-0x00000000004BE000-memory.dmp
memory/3764-95-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/3764-107-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/3764-119-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/3764-116-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/3764-69-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/3764-112-0x0000000002790000-0x0000000002832000-memory.dmp
memory/3764-111-0x0000000002790000-0x0000000002832000-memory.dmp
memory/3764-110-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/3764-72-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/3764-75-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/3764-78-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/3764-81-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/3764-84-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/3764-87-0x0000000002790000-0x0000000002832000-memory.dmp
memory/3764-90-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/3764-104-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/3764-98-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/3764-101-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/4528-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4528-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4528-70-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4912-60-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/4912-63-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/4912-65-0x0000000000400000-0x00000000005C2000-memory.dmp
memory/4912-59-0x0000000000400000-0x00000000005C2000-memory.dmp