Analysis
- max time kernel
147s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
26/06/2024, 15:24
General
- Target 70c741bfc60af6dd87c1bab27fae09c1039cb525306255beb96504af9d623e9e.exe
- Size 5.0MB
- Sample240626-stctmatbnp
- SHA256 70c741bfc60af6dd87c1bab27fae09c1039cb525306255beb96504af9d623e9e
Malware Config
Extracted
-
socks5systemz
-
bgyialo.com
-
http://bgyialo.com/search/?q=67e28dd83e55f3201607a91c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff615c1ea909e3f
-
http://bgyialo.com/search/?q=67e28dd83e55f3201607a91c7c27d78406abdd88be4b12eab517aa5c96bd86ee918548835a8bbc896c58e713bc90c91d36b5281fc235a925ed3e5cd6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9c9e3ac86a9212
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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\70c741bfc60af6dd87c1bab27fae09c1039cb525306255beb96504af9d623e9e.exe"C:\Users\Admin\AppData\Local\Temp\70c741bfc60af6dd87c1bab27fae09c1039cb525306255beb96504af9d623e9e.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-7QE6U.tmp\70c741bfc60af6dd87c1bab27fae09c1039cb525306255beb96504af9d623e9e.tmp"C:\Users\Admin\AppData\Local\Temp\is-7QE6U.tmp\70c741bfc60af6dd87c1bab27fae09c1039cb525306255beb96504af9d623e9e.tmp" /SL5="$40204,4953820,54272,C:\Users\Admin\AppData\Local\Temp\70c741bfc60af6dd87c1bab27fae09c1039cb525306255beb96504af9d623e9e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe"C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe"C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
audionormalizer32_64.exe
70c741bfc60af6dd87c1bab27fae09c1039cb525306255beb96504af9d623e9e.tmp
_iscrypt.dll
memory/2668-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2668-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2668-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3724-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3724-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3800-97-0x0000000000400000-0x0000000000751000-memory.dmp
memory/3800-89-0x0000000000400000-0x0000000000751000-memory.dmp
memory/3800-68-0x0000000000400000-0x0000000000751000-memory.dmp
memory/3800-118-0x0000000000400000-0x0000000000751000-memory.dmp
memory/3800-115-0x0000000000400000-0x0000000000751000-memory.dmp
memory/3800-71-0x0000000000400000-0x0000000000751000-memory.dmp
memory/3800-74-0x0000000000400000-0x0000000000751000-memory.dmp
memory/3800-77-0x0000000000400000-0x0000000000751000-memory.dmp
memory/3800-80-0x0000000000400000-0x0000000000751000-memory.dmp
memory/3800-83-0x0000000000400000-0x0000000000751000-memory.dmp
memory/3800-84-0x0000000000B20000-0x0000000000BC2000-memory.dmp
memory/3800-111-0x0000000000B20000-0x0000000000BC2000-memory.dmp
memory/3800-94-0x0000000000400000-0x0000000000751000-memory.dmp
memory/3800-110-0x0000000000B20000-0x0000000000BC2000-memory.dmp
memory/3800-100-0x0000000000400000-0x0000000000751000-memory.dmp
memory/3800-103-0x0000000000400000-0x0000000000751000-memory.dmp
memory/3800-106-0x0000000000400000-0x0000000000751000-memory.dmp
memory/3800-109-0x0000000000400000-0x0000000000751000-memory.dmp
memory/4720-60-0x0000000000400000-0x0000000000751000-memory.dmp
memory/4720-65-0x0000000000400000-0x0000000000751000-memory.dmp
memory/4720-59-0x0000000000400000-0x0000000000751000-memory.dmp
memory/4720-63-0x0000000000400000-0x0000000000751000-memory.dmp