Analysis
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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, 13:36
Static task
static1
Behavioral task
behavioral1
Sample
25cb7192c8f7a3bfec2a4817f8552ca7.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
25cb7192c8f7a3bfec2a4817f8552ca7.exe
Resource
win10v2004-20240226-en
General
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Target
25cb7192c8f7a3bfec2a4817f8552ca7.exe
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Size
2.2MB
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MD5
25cb7192c8f7a3bfec2a4817f8552ca7
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SHA1
cc221059563e9e8025805a42a9a46154feedd55d
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SHA256
8463f0c1e828afc585438c68123cc4b55628bc2ec18c58671e13f9439af31fe4
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SHA512
fafea40044db5c00ae813ed91da0aeb40eb35602dc4265a5a0d50f95c13cfe878d079e45f42c1eb533dc366f88576f00ab539122783aece8c46b338ef458687f
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SSDEEP
49152:32mFbq6TKK/DUgI/Guo+HoJ7P7Ea2ieZl53e7D:m+b1TKqqGXkopP2iex3c
Malware Config
Extracted
socks5systemz
http://bvdvdji.com/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c0ee959939
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/2244-68-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz behavioral2/memory/2244-67-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz behavioral2/memory/2244-78-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 756 25cb7192c8f7a3bfec2a4817f8552ca7.tmp 1932 colorpicker.exe 2244 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 756 25cb7192c8f7a3bfec2a4817f8552ca7.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 152.89.198.214 -
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 WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1628 wrote to memory of 756 1628 25cb7192c8f7a3bfec2a4817f8552ca7.exe 90 PID 1628 wrote to memory of 756 1628 25cb7192c8f7a3bfec2a4817f8552ca7.exe 90 PID 1628 wrote to memory of 756 1628 25cb7192c8f7a3bfec2a4817f8552ca7.exe 90 PID 756 wrote to memory of 1932 756 25cb7192c8f7a3bfec2a4817f8552ca7.tmp 93 PID 756 wrote to memory of 1932 756 25cb7192c8f7a3bfec2a4817f8552ca7.tmp 93 PID 756 wrote to memory of 1932 756 25cb7192c8f7a3bfec2a4817f8552ca7.tmp 93 PID 756 wrote to memory of 2244 756 25cb7192c8f7a3bfec2a4817f8552ca7.tmp 94 PID 756 wrote to memory of 2244 756 25cb7192c8f7a3bfec2a4817f8552ca7.tmp 94 PID 756 wrote to memory of 2244 756 25cb7192c8f7a3bfec2a4817f8552ca7.tmp 94
Processes
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C:\Users\Admin\AppData\Local\Temp\25cb7192c8f7a3bfec2a4817f8552ca7.exe"C:\Users\Admin\AppData\Local\Temp\25cb7192c8f7a3bfec2a4817f8552ca7.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1628 -
C:\Users\Admin\AppData\Local\Temp\is-5EOQ8.tmp\25cb7192c8f7a3bfec2a4817f8552ca7.tmp"C:\Users\Admin\AppData\Local\Temp\is-5EOQ8.tmp\25cb7192c8f7a3bfec2a4817f8552ca7.tmp" /SL5="$90170,1960984,54272,C:\Users\Admin\AppData\Local\Temp\25cb7192c8f7a3bfec2a4817f8552ca7.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:756 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:1932
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C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
PID:2244
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.2MB
MD521fd5e2dba33cafdfc9574a3eb37aac5
SHA1ac88f469467f09dc782024e5a6c78bdda925563a
SHA256f338953864a2015f9d3a1a9543dd321c9fbc81123f8c3f303a741bef11ff60e7
SHA512430f4ad309d8e42c5e7e31d5eb555db1dfcf4dc00d4398104ffce23c39a91340f360071bf138fe79e0385bc0cd2e29de89166f3d67fa8deb9bf11f08f65a998a
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Filesize
677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63