Analysis
-
max time kernel
147s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
23/03/2024, 11:18
Static task
static1
Behavioral task
behavioral1
Sample
2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe
Resource
win11-20240221-en
General
-
Target
2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe
-
Size
2.0MB
-
MD5
8c21bd0b1d23594afa89a9e9403a2b36
-
SHA1
89a160096340fdce8d3a57ceaa001bd16033bbd3
-
SHA256
2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2
-
SHA512
8a780e64340e022383d39020de8c72ff6d4cd2c241f32b238414189885057f1a99229930274b5e1121be85dc57a8b552d292abdc0ffb18447626e32df4a07fd7
-
SSDEEP
49152:32U6xDldTFciHFZ7oyyiF7WCFjWBFOx5NXkAFrfe7D:m53z7Hy47WC+FOx5Ntrfc
Malware Config
Extracted
socks5systemz
http://bxtnvoi.com/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c646db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9ed929f39
Signatures
-
Detect Socks5Systemz Payload 2 IoCs
resource yara_rule behavioral1/memory/4912-66-0x00000000006F0000-0x0000000000792000-memory.dmp family_socks5systemz behavioral1/memory/4912-76-0x00000000006F0000-0x0000000000792000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
pid Process 4268 2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp 4840 colorpicker.exe 4912 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 4268 2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.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 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.
-
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 2636 wrote to memory of 4268 2636 2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe 87 PID 2636 wrote to memory of 4268 2636 2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe 87 PID 2636 wrote to memory of 4268 2636 2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe 87 PID 4268 wrote to memory of 4840 4268 2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp 91 PID 4268 wrote to memory of 4840 4268 2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp 91 PID 4268 wrote to memory of 4840 4268 2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp 91 PID 4268 wrote to memory of 4912 4268 2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp 92 PID 4268 wrote to memory of 4912 4268 2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp 92 PID 4268 wrote to memory of 4912 4268 2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe"C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2636 -
C:\Users\Admin\AppData\Local\Temp\is-GU18N.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp"C:\Users\Admin\AppData\Local\Temp\is-GU18N.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp" /SL5="$401F2,1758553,54272,C:\Users\Admin\AppData\Local\Temp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4268 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:4840
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
PID:4912
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2.0MB
MD5a6729f04305f0a78c82a2985755352de
SHA15b279e9f936813b2b7908f4efd33fecba611f18c
SHA256382e61a8fd8da009a652b690d0a0a174dc4dd7c05efa9e0652616783060984a9
SHA512a08f6ee795723a3482f0901d91c6de028f93a126f6e1e3fde6f603b7375cc0ba6957075b980fcf66b43cafd1af48bed00ad5df3b0fe5fa0c5ae047d911800c87
-
C:\Users\Admin\AppData\Local\Temp\is-GU18N.tmp\2dd2b2faee53b4a06c9e2e491abd4d4c30f7f56016388ea6411166aad9fe61f2.tmp
Filesize677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63