Analysis
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max time kernel
293s -
max time network
285s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
30-05-2024 22:50
Static task
static1
Behavioral task
behavioral1
Sample
416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe
Resource
win10-20240404-en
General
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Target
416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe
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Size
4.9MB
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MD5
269a757cdd2d0f6d82ffb5a386aeee5d
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SHA1
857920c33dab7be2f41587087e39482b4d32b93a
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SHA256
416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e
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SHA512
4f8c46e6411782668b73fea3e831b77daecba9c897d3898f3ae265b0d4a9c325e1a930ac95c6810339cb09ad7e1c35afe885047dc728b3c25730ffab38893ebd
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SSDEEP
98304:mw51I1Ojc13BlmNWzHJMUikxn8AY8qWiXAEvl9:X5xj83BtzpMf4n8AYLXAEt9
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2892-92-0x0000000002670000-0x0000000002712000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmpstereotool32.exestereotool32.exepid process 2988 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp 2712 stereotool32.exe 2892 stereotool32.exe -
Loads dropped DLL 5 IoCs
Processes:
416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmppid process 1748 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe 2988 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp 2988 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp 2988 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp 2988 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp -
Unexpected DNS network traffic destination 2 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 141.98.234.31 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 FindShellTrayWindow 1 IoCs
Processes:
416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmppid process 2988 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmpdescription pid process target process PID 1748 wrote to memory of 2988 1748 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp PID 1748 wrote to memory of 2988 1748 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp PID 1748 wrote to memory of 2988 1748 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp PID 1748 wrote to memory of 2988 1748 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp PID 1748 wrote to memory of 2988 1748 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp PID 1748 wrote to memory of 2988 1748 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp PID 1748 wrote to memory of 2988 1748 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp PID 2988 wrote to memory of 2712 2988 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp stereotool32.exe PID 2988 wrote to memory of 2712 2988 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp stereotool32.exe PID 2988 wrote to memory of 2712 2988 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp stereotool32.exe PID 2988 wrote to memory of 2712 2988 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp stereotool32.exe PID 2988 wrote to memory of 2892 2988 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp stereotool32.exe PID 2988 wrote to memory of 2892 2988 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp stereotool32.exe PID 2988 wrote to memory of 2892 2988 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp stereotool32.exe PID 2988 wrote to memory of 2892 2988 416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp stereotool32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe"C:\Users\Admin\AppData\Local\Temp\416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1748 -
C:\Users\Admin\AppData\Local\Temp\is-8FPRT.tmp\416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp"C:\Users\Admin\AppData\Local\Temp\is-8FPRT.tmp\416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp" /SL5="$40112,4836427,54272,C:\Users\Admin\AppData\Local\Temp\416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2988 -
C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe" -i3⤵
- Executes dropped EXE
PID:2712
-
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C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe" -s3⤵
- Executes dropped EXE
PID:2892
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.0MB
MD57799a5274162870fdf533d92c66f8609
SHA16b5a84ec3d5e546f8a283837f249da55ac76d583
SHA2567f1de671a637afdee839e731a18713f4a4bce1af5c6cb597622e31798ade0e63
SHA512e367af7ec28d882ca753f06910d216c72206de557c1923cf8bb451667ccf8ff11cf6930ab9da362d142d14feb06ec4fe0589d2c9c80348b66e075f37df285261
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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-8FPRT.tmp\416b95bd4a366a20d0ebbed15929bd7f7ca2d1ca8f14c53a064ba44682c4c65e.tmp
Filesize680KB
MD5b70ed3d1bcbe0eb891e7fcd65a6c77e4
SHA130cf3d962d02a6a985d9adb67c915295568d69fa
SHA2563f93f208a112fac1c2fa79cab9829339bc479d2d6585c2e997465e986da5e6f7
SHA51286197a5309226a26badf73e64935c0c373013694dbbefd7d87129accc4652adafa70e7a6a2b53845d67acdacb8081a14be67d0f63aa2554991572b60cc04ab86