Analysis
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max time kernel
292s -
max time network
255s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
01-07-2024 05:06
Static task
static1
Behavioral task
behavioral1
Sample
a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.exe
Resource
win10-20240404-en
General
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Target
a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.exe
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Size
5.2MB
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MD5
22f8e2f2e376d18100dfa7ce119ae1a2
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SHA1
854a8441717613e4d97edcdbfd2a1c42d645c508
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SHA256
a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19
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SHA512
1d595082816eac5f76c937782f427b32805f12a84b4a877606472943edbcf53c7bc4e49410c9e2282a41623f54f58543e47caa1c5adbb8df59d57cd0fc9084d4
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SSDEEP
98304:CEfrNoij3/+QOkv5x49mbToGyfcz1bJG1PrUWgxBGXvn5SDbUGQBql3E1uJQxcMv:Heij3/QkhambT/z1bJGlMxBGXv5SDDQ/
Malware Config
Extracted
socks5systemz
ebblcrb.ua
http://ebblcrb.ua/search/?q=67e28dd8655bf57a4609f84c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff619c1ef919f3c
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/1648-83-0x0000000002580000-0x0000000002622000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmpwavmp3splitter32.exewavmp3splitter32.exepid process 312 a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmp 3788 wavmp3splitter32.exe 1648 wavmp3splitter32.exe -
Loads dropped DLL 1 IoCs
Processes:
a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmppid process 312 a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 45.155.250.90 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmppid process 312 a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.exea6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmpdescription pid process target process PID 3660 wrote to memory of 312 3660 a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.exe a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmp PID 3660 wrote to memory of 312 3660 a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.exe a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmp PID 3660 wrote to memory of 312 3660 a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.exe a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmp PID 312 wrote to memory of 3788 312 a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmp wavmp3splitter32.exe PID 312 wrote to memory of 3788 312 a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmp wavmp3splitter32.exe PID 312 wrote to memory of 3788 312 a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmp wavmp3splitter32.exe PID 312 wrote to memory of 1648 312 a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmp wavmp3splitter32.exe PID 312 wrote to memory of 1648 312 a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmp wavmp3splitter32.exe PID 312 wrote to memory of 1648 312 a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmp wavmp3splitter32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.exe"C:\Users\Admin\AppData\Local\Temp\a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-NNDB5.tmp\a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmp"C:\Users\Admin\AppData\Local\Temp\is-NNDB5.tmp\a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmp" /SL5="$700DA,5157028,54272,C:\Users\Admin\AppData\Local\Temp\a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe"C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe"C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exe" -s3⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Direct WAV MP3 Splitter\wavmp3splitter32.exeFilesize
3.6MB
MD5f74876fdfb3cf3b4101a6864819b47fd
SHA16a1becdc706100e84551ac70f820eeaf98418a5a
SHA2563c7d92037a045854f437f52009feb4dbe88cc4bd038d355c6a782bded99a6573
SHA5129fd3c7d277df143829a51ff6094ee493fa57c701a5e48fa5778a714bf5c525c8f613255a2087e441dfcc6c9f0d5bd885265bb45cb0f75c4448c80c0cae814fad
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C:\Users\Admin\AppData\Local\Temp\is-NNDB5.tmp\a6ecfe477b96917303399df2876ee5fe876fee88dbb452e092b6794643243c19.tmpFilesize
680KB
MD559177ea3e8147d91b694e9949c60d194
SHA15c8cfd3fcccd7be056c7c0e2e4fc063c38dc14bd
SHA2569687ab4b33b1a083194713be5a0f872ebb949773b832a20063a507073859e28c
SHA512a235dab7d5dc6652f5f8256c1e2c19aef2f583ead02a920ee17658eeb64e8a9620767594d7e4b6ca4aa030643821133c1a18823c55ea769d3221383927ea8a08
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\Users\Admin\AppData\Local\Temp\is-L81II.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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memory/312-68-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/312-14-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1648-106-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-86-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-130-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-125-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-66-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-122-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-119-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-69-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-72-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-75-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-78-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-81-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-83-0x0000000002580000-0x0000000002622000-memory.dmpFilesize
648KB
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memory/1648-116-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-91-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-94-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-97-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-100-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-103-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-113-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/1648-110-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/3660-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3660-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/3660-67-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3788-59-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/3788-63-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB
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memory/3788-60-0x0000000000400000-0x0000000000797000-memory.dmpFilesize
3.6MB