Analysis
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max time kernel
150s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
24-06-2024 23:56
Static task
static1
Behavioral task
behavioral1
Sample
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe
Resource
win11-20240508-en
General
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Target
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe
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Size
4.8MB
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MD5
8836d2a69d2d59e0beb368534207b667
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SHA1
a5089bc672b7f5916d06c0522321e8bdfffdcaa6
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SHA256
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f
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SHA512
00a178c41589c93da4b1385d4da2062f33d5f499fcc8916c0fca2a463cee34cf2d6c4fd365c8dfe475341475c8f47c8b7efc409844a280fae45a1cfc73f11452
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SSDEEP
98304:msAua+ZFYilw5ujPX0KliS8iVFag25zmL2MXJRFQID/:1BZwMjf0K7F/wCyMr+IT
Malware Config
Extracted
socks5systemz
cclpxkx.net
http://cclpxkx.net/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff613c7ec919e3b
http://cclpxkx.net/search/?q=67e28dd86d5ff17c1407ad1a7c27d78406abdd88be4b12eab517aa5c96bd86ef91804d825a8bbc896c58e713bc90c91b36b5281fc235a925ed3e56d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9c983cce6b9216
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/3988-86-0x0000000002510000-0x00000000025B2000-memory.dmp family_socks5systemz behavioral1/memory/3988-109-0x0000000002510000-0x00000000025B2000-memory.dmp family_socks5systemz behavioral1/memory/3988-110-0x0000000002510000-0x00000000025B2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmpwinypux32.exewinypux32.exepid process 3080 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp 2380 winypux32.exe 3988 winypux32.exe -
Loads dropped DLL 1 IoCs
Processes:
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmppid process 3080 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
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 FindShellTrayWindow 1 IoCs
Processes:
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmppid process 3080 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmpdescription pid process target process PID 2928 wrote to memory of 3080 2928 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp PID 2928 wrote to memory of 3080 2928 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp PID 2928 wrote to memory of 3080 2928 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp PID 3080 wrote to memory of 2380 3080 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp winypux32.exe PID 3080 wrote to memory of 2380 3080 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp winypux32.exe PID 3080 wrote to memory of 2380 3080 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp winypux32.exe PID 3080 wrote to memory of 3988 3080 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp winypux32.exe PID 3080 wrote to memory of 3988 3080 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp winypux32.exe PID 3080 wrote to memory of 3988 3080 334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp winypux32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe"C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2928 -
C:\Users\Admin\AppData\Local\Temp\is-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp"C:\Users\Admin\AppData\Local\Temp\is-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp" /SL5="$80060,4744462,54272,C:\Users\Admin\AppData\Local\Temp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3080 -
C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -i3⤵
- Executes dropped EXE
PID:2380
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C:\Users\Admin\AppData\Local\Winypux\winypux32.exe"C:\Users\Admin\AppData\Local\Winypux\winypux32.exe" -s3⤵
- Executes dropped EXE
PID:3988
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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 --field-trial-handle=4372,i,6576818814118437872,11004518367271063231,262144 --variations-seed-version --mojo-platform-channel-handle=1428 /prefetch:81⤵PID:3560
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\is-4FD7M.tmp\334f135e2400b5864b510849e927bd45ef0864e0f6b0ad291f5e2c3347c9b15f.tmp
Filesize680KB
MD5893bd2f08862ec5904f78d072c7a274c
SHA1d6e87230b90b418345000a8d696bd552469d8d06
SHA2560fa65c54cf864083c000adcc62456314b7f3b882e120de4de1ba08c565dd40a5
SHA512940abebb53504b2a4fc252eb36ab75a1523abe72aa5a5ace6f15deacc59f259177d5c7f23af9e2a85ccde43126d0ae4b10bde56fb0b3380b97851a39e6569fc3
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
2.8MB
MD5e7e9871d5b763bb1d8c75f98bfd32b99
SHA13b39b35f1fdee524b0b841f56eaa21f346d7d501
SHA2566251f2d8bd3ad9482b20f7425b0163ec37deddf2594880f824978251f43c8e2a
SHA512e1968c869e44da79e9725926fddcb8b3dc139f8c4833557191b3e8bfcb4639e2e0bedf26bdbdfc71f44a878c56bb8c3adeb75066cd9864e2177154d10bafc230