Analysis
- max time kernel
292s - max time network
298s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system - submitted
20/06/2024, 22:45
Static task
static1
Behavioral task
behavioral1
Sample
4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe
Resource
win10-20240404-en
General
- Target 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe
- Size 4.5MB
- Sample240620-2ppr3averp
- SHA256 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e
- MD5 fedfc3a795e397fa21ecfb690561b094
- SHA1 42cebfe49fbd2729e767cb1b2b74eac081d25dbe
- SHA512 fdef0c885d74d57073b2b97cbb2ff33240bd93e5cb5b98bb186b3bd4e750794f24dbdf0eda0cc6f831f47d9e654508ca7f84db39d8177b17d0ff8a9eb083be39
- SSDEEP 98304:mVJJe9XhW4B5mHmDWJfqJUrXL0wRZwtN1T7UVwp7LlHWpu:YJe9c4DvDkyJUvsTQg75F
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
socks5systemz
-
ezoibue.ua
-
http://ezoibue.ua/search/?q=67e28dd86809f27b415ba51b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec939a3f
Signatures
- Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral2/memory/4776-84-0x0000000000920000-0x00000000009C2000-memory.dmp family_socks5systemz - Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
pid Process 4176 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp 1928 mediaplayerrptuning.exe 4776 mediaplayerrptuning.exe - Loads dropped DLL 1 IoCs
pid Process 4176 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.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 91.211.247.248 - 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 4176 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3508 wrote to memory of 4176 3508 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe 73 PID 3508 wrote to memory of 4176 3508 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe 73 PID 3508 wrote to memory of 4176 3508 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe 73 PID 4176 wrote to memory of 1928 4176 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp 74 PID 4176 wrote to memory of 1928 4176 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp 74 PID 4176 wrote to memory of 1928 4176 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp 74 PID 4176 wrote to memory of 4776 4176 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp 75 PID 4176 wrote to memory of 4776 4176 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp 75 PID 4176 wrote to memory of 4776 4176 4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp 75
Processes
-
C:\Users\Admin\AppData\Local\Temp\4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe"C:\Users\Admin\AppData\Local\Temp\4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3508 -
C:\Users\Admin\AppData\Local\Temp\is-QHCLR.tmp\4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp"C:\Users\Admin\AppData\Local\Temp\is-QHCLR.tmp\4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp" /SL5="$80200,4499822,54272,C:\Users\Admin\AppData\Local\Temp\4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4176 -
C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe" -i3⤵
- Executes dropped EXE
PID:1928
-
-
C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe"C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe" -s3⤵
- Executes dropped EXE
PID:4776
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Media Player RPTuning\mediaplayerrptuning.exe
- Size 2.5MB
- SHA256 25d459e7c8277226e48aee68586702351ee41e532304fc442a18747a8903270e
- MD5 6e677a42851da1feb2b6d1d0318b9efc
- SHA1 11dbaabec1d335c68edb536b086c8261f07a0157
- SHA512 046e3dc82387ce16c98d9711a7ca62f770b2605939593c678539a82b4e4dbd6776649fd9f0127851eb0ee82541cc318126a35f07faf821604fbf474db754058a
- SSDEEP 49152:FrEZHvNS798JeR6QmcwwsRcbeVsNM+TtEEKTy:FeM9R6QmcwwsR2eVsN9RRKTy
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-QHCLR.tmp\4f0cbd277c13ad39ee65166fe3d3b67438c3c1b46c7ce08dd1b1a47d55a9079e.tmp
- Size 680KB
- SHA256 6245ecd6d0ec4c5ea091be6f734185f645886c1d8af5fe4b0c0df0661b4ce361
- MD5 39e1191b303bd79ba64ab21ceca630f0
- SHA1 2df0c7a0160c0112bc04d2fe3accb360af33a208
- SHA512 6664eb5b77a29641454f3f76cc99c8484f91be29e92127fd37239ccb3bbaa27f6769d7f49301f925b699dd042d199974ed68968fba6c8bd18b0a23031ea08d8a
- SSDEEP 12288:L0QfKb7nH5lrPo37AzHTA63I0ihE4UEQrrNtIECORGvp5ELAfXExy8:ffKbT5lrPo37AzHTA63/cfU9IEUp53f0
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\is-84519.tmp\_isetup\_iscrypt.dll
- Size 2KB
- SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
- MD5 a69559718ab506675e907fe49deb71e9
- SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
- SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
- MD5 SHA1 SHA512