Analysis
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max time kernel
141s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
28-06-2024 20:24
Static task
static1
Behavioral task
behavioral1
Sample
36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe
Resource
win11-20240508-en
General
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Target
36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe
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Size
4.9MB
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MD5
f929cb3d7250bbedf1f843c4b5ba5e09
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SHA1
69487c6f11af835412f579382fd8214221fa51c2
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SHA256
36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490
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SHA512
27e580dc7e3e91aa2be98f66745372d83e751a748ed7cb6cc38dba3fe8f98f8171145bd48daa723a7b13b127ebecf170b89b5e3cdaacfece54f3ad0ff8cff9e8
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SSDEEP
98304:CU8aNCaXKUm0I+w17QcEzoIa0S60f+uLBsbbkvOpLtq4e2T+h2Q9zXI8Qxg:B8KCxUm2w17Qcky0Mr9iSOpLAv2T+hvJ
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/3360-84-0x00000000028C0000-0x0000000002961000-memory.dmp family_socks5systemz behavioral2/memory/3360-110-0x00000000028C0000-0x0000000002961000-memory.dmp family_socks5systemz behavioral2/memory/3360-111-0x00000000028C0000-0x0000000002961000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmptotalrecorderfree32_64.exetotalrecorderfree32_64.exepid process 4624 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp 2704 totalrecorderfree32_64.exe 3360 totalrecorderfree32_64.exe -
Loads dropped DLL 1 IoCs
Processes:
36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmppid process 4624 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.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:
36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmppid process 4624 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmpdescription pid process target process PID 3240 wrote to memory of 4624 3240 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp PID 3240 wrote to memory of 4624 3240 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp PID 3240 wrote to memory of 4624 3240 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp PID 4624 wrote to memory of 2704 4624 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp totalrecorderfree32_64.exe PID 4624 wrote to memory of 2704 4624 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp totalrecorderfree32_64.exe PID 4624 wrote to memory of 2704 4624 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp totalrecorderfree32_64.exe PID 4624 wrote to memory of 3360 4624 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp totalrecorderfree32_64.exe PID 4624 wrote to memory of 3360 4624 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp totalrecorderfree32_64.exe PID 4624 wrote to memory of 3360 4624 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp totalrecorderfree32_64.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe"C:\Users\Admin\AppData\Local\Temp\36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-V9B46.tmp\36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp"C:\Users\Admin\AppData\Local\Temp\is-V9B46.tmp\36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp" /SL5="$D016C,4939921,54272,C:\Users\Admin\AppData\Local\Temp\36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32_64.exe"C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32_64.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32_64.exe"C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32_64.exe" -s3⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\is-CS3FK.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-V9B46.tmp\36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmpFilesize
680KB
MD532f6596e136f3f8cfa1fbfd85acef958
SHA144411edb185b448613ac7dcfc24a6e2c0da382a3
SHA256cd40719fec44d56ec09eeabfd56896f6bc80d4cd982f042068baca42141b4713
SHA512e75005af4acd5ec4f53d584da8fbb2a72358af818dd6643e7eb5b862b3be582ed9cc8c8fb205b04ac2356da87826ab088c0ec658ee890a7605fd32be9b01d626
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C:\Users\Admin\AppData\Local\Total Recorder Free\totalrecorderfree32_64.exeFilesize
3.1MB
MD52244e6f148258ce97d5dfb1b31b1af87
SHA10dfd94b9ee9dcde7695b5ce2809cb868c4d8885d
SHA256b04b170e5fd00883cfba1de9fe025854aeab902730675dc1cfe651239d868f86
SHA51264e4d3b3d604c0f8aabc7febfa8dd06b33a7d88e5f7bbcb46e84eb5f788729457be19f3e248a0ed05bf9c0520905240e1c593ac4f4e3d868d81b70afa485681f
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memory/2704-60-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/2704-59-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/2704-65-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/2704-63-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3240-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3240-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/3240-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3360-74-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3360-89-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3360-118-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3360-71-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3360-115-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3360-77-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3360-80-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3360-83-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3360-84-0x00000000028C0000-0x0000000002961000-memory.dmpFilesize
644KB
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memory/3360-68-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3360-94-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3360-97-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3360-100-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3360-103-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3360-106-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3360-109-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3360-110-0x00000000028C0000-0x0000000002961000-memory.dmpFilesize
644KB
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memory/3360-111-0x00000000028C0000-0x0000000002961000-memory.dmpFilesize
644KB
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memory/4624-16-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4624-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB