Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2024, 02:23
Static task
static1
Behavioral task
behavioral1
Sample
cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe
Resource
win10v2004-20240226-en
General
-
Target
cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe
-
Size
2.1MB
-
MD5
406974e05e94b8586cff2ecf2e00d2de
-
SHA1
1a57282797d06ee6091af015d5095506dd83a363
-
SHA256
cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f
-
SHA512
dce958396571fc00bfccd3f073b9f013e1017434ecc3d9f3b2bc55be1d30879ece524927b2a5110639daac95aadef83e04839dbca118aff6736e3cc0d7a23d82
-
SSDEEP
49152:32cJU0UwraR8jxQo8fh4Sc8jSwVrok7EKfQmgkoaM:maUwrZWNfh28jVrtEKIrIM
Malware Config
Extracted
socks5systemz
http://bwwbsij.com/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ec909a3c
Signatures
-
Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/2436-66-0x00000000007F0000-0x0000000000892000-memory.dmp family_socks5systemz behavioral2/memory/2436-68-0x00000000007F0000-0x0000000000892000-memory.dmp family_socks5systemz behavioral2/memory/2436-77-0x00000000007F0000-0x0000000000892000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Detects executables packed with VMProtect. 18 IoCs
resource yara_rule behavioral2/memory/2496-39-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2496-42-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-45-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-48-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-52-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-53-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-56-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-59-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-62-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-65-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-73-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-76-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-80-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-83-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-86-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-89-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-93-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2436-96-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
pid Process 244 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp 2496 colorpicker32.exe 2436 colorpicker32.exe -
Loads dropped DLL 1 IoCs
pid Process 244 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.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 WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3288 wrote to memory of 244 3288 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe 87 PID 3288 wrote to memory of 244 3288 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe 87 PID 3288 wrote to memory of 244 3288 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe 87 PID 244 wrote to memory of 2496 244 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp 90 PID 244 wrote to memory of 2496 244 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp 90 PID 244 wrote to memory of 2496 244 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp 90 PID 244 wrote to memory of 2436 244 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp 92 PID 244 wrote to memory of 2436 244 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp 92 PID 244 wrote to memory of 2436 244 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe"C:\Users\Admin\AppData\Local\Temp\cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3288 -
C:\Users\Admin\AppData\Local\Temp\is-IL2J5.tmp\cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp"C:\Users\Admin\AppData\Local\Temp\is-IL2J5.tmp\cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp" /SL5="$B0118,1806141,54272,C:\Users\Admin\AppData\Local\Temp\cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:244 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
PID:2496
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s3⤵
- Executes dropped EXE
PID:2436
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2.1MB
MD55bac8308c2ac2a29f67b6ed7591377d3
SHA1a48859a3c34dfd709505445a924699bd7b86280a
SHA256740a090a30a2245dc0c8e53572e2c7fb709d971a18f0677ac7d7f3d8e41a54a2
SHA512639dc3740aa962486e24a7aa6332de8ad8df0f2faa52bd14cbeeda782175ae05cede4b9cd1c51bc57dae497f72093ca0a13496c494d86fa95b32d258f3480e05
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
C:\Users\Admin\AppData\Local\Temp\is-IL2J5.tmp\cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp
Filesize677KB
MD5bb16a1aed23a42be299fa83942dc45cc
SHA1eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba
SHA2562fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df
SHA512bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4