Analysis
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max time kernel
148s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-06-2024 19:00
Static task
static1
Behavioral task
behavioral1
Sample
4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe
Resource
win11-20240508-en
General
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Target
4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe
-
Size
4.9MB
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MD5
67903dbec0ca269f36cb0437d64cf1c0
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SHA1
a519f6efbab01a87dc0e28fd0b0d72aba3fabd8e
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SHA256
4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307
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SHA512
2c750997041e90214e3b142ec910a411c3c44caf7966b1f91f8a4ce650d06b1d9cd83b002a0248e64b0d63d39ecddd524c1a0735afd9de95a41c1d32783a6d56
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SSDEEP
98304:m7mjMCRrvOExnt0SjCxHZz4kXgEkW9Q+ADZ68+OEEINCsbmeD0wEuTbXsk:2mjMCRrGEBuH47ETXADc1tEs30U8k
Malware Config
Extracted
socks5systemz
bwuzneo.com
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1948-85-0x0000000000940000-0x00000000009E2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmpaudialstunebite32_64.exeaudialstunebite32_64.exepid process 1504 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp 4128 audialstunebite32_64.exe 1948 audialstunebite32_64.exe -
Loads dropped DLL 1 IoCs
Processes:
4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmppid process 1504 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp -
Unexpected DNS network traffic destination 3 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 Destination IP 91.211.247.248 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:
4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmppid process 1504 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmpdescription pid process target process PID 3564 wrote to memory of 1504 3564 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp PID 3564 wrote to memory of 1504 3564 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp PID 3564 wrote to memory of 1504 3564 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp PID 1504 wrote to memory of 4128 1504 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp audialstunebite32_64.exe PID 1504 wrote to memory of 4128 1504 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp audialstunebite32_64.exe PID 1504 wrote to memory of 4128 1504 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp audialstunebite32_64.exe PID 1504 wrote to memory of 1948 1504 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp audialstunebite32_64.exe PID 1504 wrote to memory of 1948 1504 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp audialstunebite32_64.exe PID 1504 wrote to memory of 1948 1504 4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp audialstunebite32_64.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe"C:\Users\Admin\AppData\Local\Temp\4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-PER4M.tmp\4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp"C:\Users\Admin\AppData\Local\Temp\is-PER4M.tmp\4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmp" /SL5="$60118,4859600,54272,C:\Users\Admin\AppData\Local\Temp\4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.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\Audials Tunebite\audialstunebite32_64.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -s3⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exeFilesize
2.4MB
MD55db87cb7ef00c84b66c819dc3597dbaf
SHA1757bd3bc86be74583976f24ad2f835f826921659
SHA25600dff30836b1045ab6d36409aac68ec4a0f0bf700d25c2a61881e07d89d16df3
SHA512631d653f4e4535888faf267d845fe0cf9f4e78e95371ca148a83f51ef065a8ff1dc1c80ddc131329bd45e105398ecf3d3bfc0e184f6dbe266b7a6fa8d7aa0ccf
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C:\Users\Admin\AppData\Local\Temp\is-4I7NG.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-PER4M.tmp\4ab1863b313c6fd6f23f2f12a36ec85bd3b73ea416781f8f3005861811a93307.tmpFilesize
680KB
MD59c0c87dbb79871a4914149cd5acefbf8
SHA135627d4c709114e03240747deb05d154743ccb59
SHA2560b29aab1bdbef4c1435541320b77e3a47d063f2cb0657018a918907d8ede18bf
SHA5126608bfbf67b572584cd068ca60eb71fa972384f7c3cfa87011e82e5c15cb10332d4dcc6db23fc3153104dd635e6b2eb9e27d6eb08a07f4a396b04757a20080bd
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memory/1504-69-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1504-12-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1948-95-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1948-101-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1948-113-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1948-110-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1948-107-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1948-67-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1948-104-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1948-98-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1948-70-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1948-73-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1948-76-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1948-79-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1948-82-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1948-85-0x0000000000940000-0x00000000009E2000-memory.dmpFilesize
648KB
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memory/1948-87-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/1948-92-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/3564-68-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3564-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3564-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/4128-59-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/4128-64-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/4128-63-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB
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memory/4128-61-0x0000000000400000-0x0000000000664000-memory.dmpFilesize
2.4MB