Analysis
- max time kernel
150s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system - submitted
21/06/2024, 07:32
Static task
static1
Behavioral task
behavioral1
Sample
6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.exe
Resource
win11-20240508-en
General
- Target 6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.exe
- Size 4.4MB
- Sample240621-jcy6vsvfkn
- SHA256 6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662
- MD5 07c1b0b25c1d6ccd978985f89f54cbca
- SHA1 9eee1e00b8d71638fee69a9ee493e32cb90f08ba
- SHA512 8d8415bab6da6d4b48383b00dd7a57cf8e176241f20d28dc7668d40fe9e995d0deca7751f569a0ec4f63fed3a0866600223535a3fb56570c439d3a8c36bff0f3
- SSDEEP 98304:mCZYVT/aHC192gJS3E9GK/Cep6DdaLQf0KnbmBhgLoMaBk31wE:jYRlnaBK/CegoEMKns1M2E
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
socks5systemz
-
cedmtdq.net
-
http://cedmtdq.net/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff718c5ea94933a
-
http://cedmtdq.net/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12eab517aa5c96bd86ec958349865a8bbc896c58e713bc90c91a36b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d933ec86e9f17
Signatures
- Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/1364-83-0x00000000028B0000-0x0000000002952000-memory.dmp family_socks5systemz behavioral2/memory/1364-108-0x00000000028B0000-0x0000000002952000-memory.dmp family_socks5systemz behavioral2/memory/1364-109-0x00000000028B0000-0x0000000002952000-memory.dmp family_socks5systemz - Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
pid Process 1784 6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.tmp 408 dibelius.exe 1364 dibelius.exe - Loads dropped DLL 1 IoCs
pid Process 1784 6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.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 FindShellTrayWindow 1 IoCs
pid Process 1784 6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.tmp - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2012 wrote to memory of 1784 2012 6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.exe 77 PID 2012 wrote to memory of 1784 2012 6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.exe 77 PID 2012 wrote to memory of 1784 2012 6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.exe 77 PID 1784 wrote to memory of 408 1784 6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.tmp 78 PID 1784 wrote to memory of 408 1784 6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.tmp 78 PID 1784 wrote to memory of 408 1784 6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.tmp 78 PID 1784 wrote to memory of 1364 1784 6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.tmp 79 PID 1784 wrote to memory of 1364 1784 6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.tmp 79 PID 1784 wrote to memory of 1364 1784 6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.tmp 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.exe"C:\Users\Admin\AppData\Local\Temp\6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Users\Admin\AppData\Local\Temp\is-O961P.tmp\6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.tmp"C:\Users\Admin\AppData\Local\Temp\is-O961P.tmp\6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.tmp" /SL5="$60052,4408200,54272,C:\Users\Admin\AppData\Local\Temp\6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Users\Admin\AppData\Local\Dibelius\dibelius.exe"C:\Users\Admin\AppData\Local\Dibelius\dibelius.exe" -i3⤵
- Executes dropped EXE
PID:408
-
-
C:\Users\Admin\AppData\Local\Dibelius\dibelius.exe"C:\Users\Admin\AppData\Local\Dibelius\dibelius.exe" -s3⤵
- Executes dropped EXE
PID:1364
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Dibelius\dibelius.exe
- Size 2.4MB
- SHA256 d33398d2398ebe9f6b422a2b75f30b2a2e7c5a21cb53473f341fb62ac501e780
- MD5 726e4c358b29725db5e640877ceb7dcc
- SHA1 d397c1a4da8e2cd594bc720bc89c8f2648d89011
- SHA512 680477aac2eb54b759ce505260f018ada3966ace8382dc336d8b41997030589df06728dfb4badf2eb12c9e834be428ae49a7ed63b59a8ba1555ee5d77e806dbc
- SSDEEP 24576:MOtkHmEeah03+OvtPzX06p6ElcaJUmQob3hhhZSavO6aYG9/YDCNJ0kVxOI7Fk7d:MOKHmrw1Io6sEl3rt+XjQc/FWVZh
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-L26H1.tmp\_isetup\_iscrypt.dll
- Size 2KB
- SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
- MD5 a69559718ab506675e907fe49deb71e9
- SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
- SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\is-O961P.tmp\6a6d0f3360ddc75cdb0543b323ec40e7dfbaa178271104d5a83fc7389afde662.tmp
- Size 680KB
- SHA256 e73278ea0012d24bab63a63478ce094dbc21149d446370feb51e070cea45f0fe
- MD5 7026f57aff52f1d1767a7cf77eb13f73
- SHA1 88303ff9fb36b2b0372fabe3cb919ba8214d01bf
- SHA512 f84b93e5139989df71748df730636e25949d0fd05dd8b25fe7750128aaef1dc96507e477edc1e08642be77eedb40ccb966d5e23fa490a94ae282d41ed45e3d25
- SSDEEP 12288:L0QfKb7nH5lrPo37AzHTA63I0ihE4UEQrrNtIECORGvi5ELAfXExy8:ffKbT5lrPo37AzHTA63/cfU9IEUi53f0
- MD5 SHA1 SHA512 SSDEEP