Analysis
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max time kernel
292s -
max time network
299s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
01-07-2024 05:02
Static task
static1
Behavioral task
behavioral1
Sample
36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe
Resource
win10-20240404-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 1 IoCs
Processes:
resource yara_rule behavioral2/memory/64-83-0x00000000024D0000-0x0000000002571000-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 3604 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp 3912 totalrecorderfree32_64.exe 64 totalrecorderfree32_64.exe -
Loads dropped DLL 1 IoCs
Processes:
36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmppid process 3604 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 45.155.250.90 -
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 3604 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmpdescription pid process target process PID 2872 wrote to memory of 3604 2872 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp PID 2872 wrote to memory of 3604 2872 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp PID 2872 wrote to memory of 3604 2872 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.exe 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp PID 3604 wrote to memory of 3912 3604 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp totalrecorderfree32_64.exe PID 3604 wrote to memory of 3912 3604 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp totalrecorderfree32_64.exe PID 3604 wrote to memory of 3912 3604 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp totalrecorderfree32_64.exe PID 3604 wrote to memory of 64 3604 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp totalrecorderfree32_64.exe PID 3604 wrote to memory of 64 3604 36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp totalrecorderfree32_64.exe PID 3604 wrote to memory of 64 3604 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-EK9OR.tmp\36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp"C:\Users\Admin\AppData\Local\Temp\is-EK9OR.tmp\36a77d058d04587d310af6290a4c7d8fdb6a90fa60c5521e7dde2dc24bae6490.tmp" /SL5="$40248,4939921,54272,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-EK9OR.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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\Users\Admin\AppData\Local\Temp\is-B9201.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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memory/64-99-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-102-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-129-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-124-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-121-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-118-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-115-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-112-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-68-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-71-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-74-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-77-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-80-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-83-0x00000000024D0000-0x0000000002571000-memory.dmpFilesize
644KB
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memory/64-85-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-90-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-93-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-96-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-109-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/64-106-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/2872-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2872-66-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2872-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/3604-12-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3604-67-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3912-63-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3912-60-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/3912-59-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB