Analysis
-
max time kernel
292s -
max time network
301s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
22/04/2024, 05:11
Static task
static1
Behavioral task
behavioral1
Sample
548ab8ae8f4bb83d0a55d05689e9695237882f567f25e72a5aac79b70845480a.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
548ab8ae8f4bb83d0a55d05689e9695237882f567f25e72a5aac79b70845480a.exe
Resource
win10-20240404-en
General
-
Target
548ab8ae8f4bb83d0a55d05689e9695237882f567f25e72a5aac79b70845480a.exe
-
Size
4.0MB
-
MD5
b6a4d503871d781c0d67ae568ba2f690
-
SHA1
c8df0476d353c1259667d372b2f33f053f0c889c
-
SHA256
548ab8ae8f4bb83d0a55d05689e9695237882f567f25e72a5aac79b70845480a
-
SHA512
05e4e8442aa41cd4ecf00f6c7c6721752692b1f2ec7d9047d39f1bdd6b5a49eb58ade0372b534f63aad8539e3c5d52e1c533a5b0c7dfab35c7bca764041654cd
-
SSDEEP
98304:7arJyuI1299LWGA8v9I9nCDjMVw9XBWP2hphtJwm7eSoqO:ckuItGuFgqw9NDhom9y
Malware Config
Extracted
socks5systemz
http://ckitlfy.net/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ffc16c6ed929c38
http://ckitlfy.net/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12eab517aa5c96bd86ee9c824b815a8bbc896c58e713bc90c94836b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee969d3dcf689015
Signatures
-
Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral2/memory/1588-71-0x0000000000AB0000-0x0000000000B52000-memory.dmp family_socks5systemz behavioral2/memory/1588-74-0x0000000000AB0000-0x0000000000B52000-memory.dmp family_socks5systemz behavioral2/memory/1588-83-0x0000000000AB0000-0x0000000000B52000-memory.dmp family_socks5systemz behavioral2/memory/1588-96-0x0000000000AB0000-0x0000000000B52000-memory.dmp family_socks5systemz behavioral2/memory/1588-97-0x0000000000AB0000-0x0000000000B52000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
pid Process 2232 is-JN12M.tmp 2884 freewaveeditor.exe 1588 freewaveeditor.exe -
Loads dropped DLL 3 IoCs
pid Process 2232 is-JN12M.tmp 2232 is-JN12M.tmp 2232 is-JN12M.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 152.89.198.214 -
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 WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4704 wrote to memory of 2232 4704 548ab8ae8f4bb83d0a55d05689e9695237882f567f25e72a5aac79b70845480a.exe 72 PID 4704 wrote to memory of 2232 4704 548ab8ae8f4bb83d0a55d05689e9695237882f567f25e72a5aac79b70845480a.exe 72 PID 4704 wrote to memory of 2232 4704 548ab8ae8f4bb83d0a55d05689e9695237882f567f25e72a5aac79b70845480a.exe 72 PID 2232 wrote to memory of 2884 2232 is-JN12M.tmp 73 PID 2232 wrote to memory of 2884 2232 is-JN12M.tmp 73 PID 2232 wrote to memory of 2884 2232 is-JN12M.tmp 73 PID 2232 wrote to memory of 1588 2232 is-JN12M.tmp 74 PID 2232 wrote to memory of 1588 2232 is-JN12M.tmp 74 PID 2232 wrote to memory of 1588 2232 is-JN12M.tmp 74
Processes
-
C:\Users\Admin\AppData\Local\Temp\548ab8ae8f4bb83d0a55d05689e9695237882f567f25e72a5aac79b70845480a.exe"C:\Users\Admin\AppData\Local\Temp\548ab8ae8f4bb83d0a55d05689e9695237882f567f25e72a5aac79b70845480a.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4704 -
C:\Users\Admin\AppData\Local\Temp\is-6VP6D.tmp\is-JN12M.tmp"C:\Users\Admin\AppData\Local\Temp\is-6VP6D.tmp\is-JN12M.tmp" /SL4 $600DA "C:\Users\Admin\AppData\Local\Temp\548ab8ae8f4bb83d0a55d05689e9695237882f567f25e72a5aac79b70845480a.exe" 3884359 522242⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Users\Admin\AppData\Local\Free Wave Editor\freewaveeditor.exe"C:\Users\Admin\AppData\Local\Free Wave Editor\freewaveeditor.exe" -i3⤵
- Executes dropped EXE
PID:2884
-
-
C:\Users\Admin\AppData\Local\Free Wave Editor\freewaveeditor.exe"C:\Users\Admin\AppData\Local\Free Wave Editor\freewaveeditor.exe" -s3⤵
- Executes dropped EXE
PID:1588
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
4.0MB
MD5946775ce8c497efe609c103fd8a6cce2
SHA135f874fc19f0860bfd79f7a5ea29f9ad773d3f2b
SHA25697c73697356ea267b2cec652564e335c15859e876503b10de65efad0256f4587
SHA5121a022d9f99f567c5444b9dce7d52bc9eb526c4f1b1a4d4f846f533c29533c78fbf09caa5c25e1a1394e974315ffb0cd3e15323b19722c05a274f91bd7c77f39b
-
Filesize
648KB
MD5ba27acf39f1bc1f782b5ff3ffad2f527
SHA158da67551e533e5b22f8acc4178ebbeedc22b304
SHA256c2a86a5d853d1e437993bbaf2243620265a840ce0d36e5bddecb801805911a7e
SHA512c9fb586001f34059a10caf6c2d100c5b387c18482ac59400ec405c4849b041cdf6ae5fd9242e07ef7561f1d27f3b5709520cc0895303621625cbeac76ce77667
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
13KB
MD5a813d18268affd4763dde940246dc7e5
SHA1c7366e1fd925c17cc6068001bd38eaef5b42852f
SHA256e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64
SHA512b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4