Analysis
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max time kernel
145s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
25/03/2024, 01:58
Static task
static1
Behavioral task
behavioral1
Sample
1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe
Resource
win10v2004-20240226-en
General
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Target
1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe
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Size
2.0MB
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MD5
603489e0ce3e4c942d3cb6badafb76f7
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SHA1
c1eb47d815760f03c49d892f7ffcd048ee7b24ac
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SHA256
1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6
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SHA512
dbeb9f836b0b39b48e7cdc1551477bac601907f7c3cd61736dd90b2ba68b5345078bc6223c01998aeccc8087bd2fd9c259e87d353d9391766707e3e4e3c81288
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SSDEEP
49152:32pF1TdGP/ATkjneFyIzQFzMGCjTHTjowMRmPCb8OKxRe7D:mpXT2YUpIzAMowGhbrKxRc
Malware Config
Extracted
socks5systemz
http://boyljnd.com/search/?q=67e28dd83a08f628140aae1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f271ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc10c9e89d
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/2388-74-0x0000000002590000-0x0000000002632000-memory.dmp family_socks5systemz behavioral1/memory/2388-75-0x0000000002590000-0x0000000002632000-memory.dmp family_socks5systemz behavioral1/memory/2388-87-0x0000000002590000-0x0000000002632000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1668 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 2356 colorpicker.exe 2388 colorpicker.exe -
Loads dropped DLL 5 IoCs
pid Process 2868 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe 1668 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 1668 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 1668 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 1668 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.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 141.98.234.31 -
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 15 IoCs
description pid Process procid_target PID 2868 wrote to memory of 1668 2868 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe 28 PID 2868 wrote to memory of 1668 2868 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe 28 PID 2868 wrote to memory of 1668 2868 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe 28 PID 2868 wrote to memory of 1668 2868 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe 28 PID 2868 wrote to memory of 1668 2868 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe 28 PID 2868 wrote to memory of 1668 2868 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe 28 PID 2868 wrote to memory of 1668 2868 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe 28 PID 1668 wrote to memory of 2356 1668 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 29 PID 1668 wrote to memory of 2356 1668 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 29 PID 1668 wrote to memory of 2356 1668 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 29 PID 1668 wrote to memory of 2356 1668 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 29 PID 1668 wrote to memory of 2388 1668 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 30 PID 1668 wrote to memory of 2388 1668 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 30 PID 1668 wrote to memory of 2388 1668 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 30 PID 1668 wrote to memory of 2388 1668 1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe"C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2868 -
C:\Users\Admin\AppData\Local\Temp\is-JEJLB.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp"C:\Users\Admin\AppData\Local\Temp\is-JEJLB.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp" /SL5="$4014E,1773528,54272,C:\Users\Admin\AppData\Local\Temp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:2356
-
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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:2388
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.0MB
MD5ecd25bbe932879f7b1104322f0338e11
SHA103e574a7f06a85bc0cbbabfb86e1cfb621031056
SHA25631a2a7a5b20873a11d02be605f1d4be60e099ff33d82fcc6b4e2092769d3d811
SHA512e1a5c06abf4507cccdbb83f4b02853b6f9f82f64f04e51b382929b13a2dec475951748498b9a5843a658f0b712ba3d8110fd072b5960168e20a2a1e6eb217232
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Local\Temp\is-JEJLB.tmp\1ba1766362edbe760510aba2daa552624058f0dbd7f4e426c8801bd876b915d6.tmp
Filesize677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39