Analysis
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max time kernel
150s -
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
23/03/2024, 11:36
Static task
static1
Behavioral task
behavioral1
Sample
f58cd7703329922a2ed72ad44b8edf5e.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
f58cd7703329922a2ed72ad44b8edf5e.exe
Resource
win10v2004-20240226-en
General
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Target
f58cd7703329922a2ed72ad44b8edf5e.exe
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Size
2.0MB
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MD5
f58cd7703329922a2ed72ad44b8edf5e
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SHA1
144f9fb2cfaa6b91dd9562a12e692d2a681e5786
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SHA256
dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585
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SHA512
4ccbf86372c1afa4ccd973dc35729fd78d195cca3b603a71688df6e104febf54f7001a8bd377cb442405ec7a6945a92a506c199adbfa3fb16625fc01b2a08155
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SSDEEP
49152:32gnMidDCERMfKj78jlLLm+qAP2X5CNyihe7D:mgnMidDCEGHlfP2X56hc
Malware Config
Extracted
socks5systemz
http://dtwwyel.info/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c647db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9ec9d9e38
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/632-67-0x0000000000970000-0x0000000000A12000-memory.dmp family_socks5systemz behavioral2/memory/632-69-0x0000000000970000-0x0000000000A12000-memory.dmp family_socks5systemz behavioral2/memory/632-80-0x0000000000970000-0x0000000000A12000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2516 f58cd7703329922a2ed72ad44b8edf5e.tmp 4516 colorpicker.exe 632 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 2516 f58cd7703329922a2ed72ad44b8edf5e.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 1108 wrote to memory of 2516 1108 f58cd7703329922a2ed72ad44b8edf5e.exe 96 PID 1108 wrote to memory of 2516 1108 f58cd7703329922a2ed72ad44b8edf5e.exe 96 PID 1108 wrote to memory of 2516 1108 f58cd7703329922a2ed72ad44b8edf5e.exe 96 PID 2516 wrote to memory of 4516 2516 f58cd7703329922a2ed72ad44b8edf5e.tmp 101 PID 2516 wrote to memory of 4516 2516 f58cd7703329922a2ed72ad44b8edf5e.tmp 101 PID 2516 wrote to memory of 4516 2516 f58cd7703329922a2ed72ad44b8edf5e.tmp 101 PID 2516 wrote to memory of 632 2516 f58cd7703329922a2ed72ad44b8edf5e.tmp 102 PID 2516 wrote to memory of 632 2516 f58cd7703329922a2ed72ad44b8edf5e.tmp 102 PID 2516 wrote to memory of 632 2516 f58cd7703329922a2ed72ad44b8edf5e.tmp 102
Processes
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C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe"C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1108 -
C:\Users\Admin\AppData\Local\Temp\is-1R0P8.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp"C:\Users\Admin\AppData\Local\Temp\is-1R0P8.tmp\f58cd7703329922a2ed72ad44b8edf5e.tmp" /SL5="$80214,1743789,54272,C:\Users\Admin\AppData\Local\Temp\f58cd7703329922a2ed72ad44b8edf5e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:4516
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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:632
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4292 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:81⤵PID:2964
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.0MB
MD5bd244b8c4f71095e22e91c28cf8ddf5f
SHA1408f4715a5ee3d959af04467f2e079b6cd8715e7
SHA256172a6545ebf5697a6ca7ca113a262c4b3376ea634db1658db03fd5d11c478252
SHA51203af046fee90e21eabd2b120b4072e5be863d39b3b674c0f5c7e7e9366f39ab70946eb36de62d1dd6f4256ef97f7af27c7c4cc991d52c51bec54dd4ef96eec08
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Filesize
677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63