Analysis
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max time kernel
141s -
max time network
127s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
25-06-2024 18:00
Static task
static1
Behavioral task
behavioral1
Sample
ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe
Resource
win11-20240508-en
General
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Target
ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe
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Size
5.1MB
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MD5
6e93a490f90c89a86073a3856380b485
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SHA1
1d466d721113fffea61defcb3f19b073dfdef943
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SHA256
ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e
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SHA512
3781e456e36e1bf229469a085259f285c9c0bbc4ac33b9b643ba7130a8bf78ff65a56bbdbea1ff40c1a9020df1ec2f1672cb8b7fbf316a0201788fe668e9c672
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SSDEEP
98304:mzzNXsEteNYvkLFjFA6mBD8D0nDvlllQD+WE2ZLMdhLeOU1hX/7j:qzZ6NRFA6E8DoDtDjx2JIleH/7j
Malware Config
Extracted
socks5systemz
dlfbwyy.info
http://dlfbwyy.info/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff612c3e7919233
http://dlfbwyy.info/search/?q=67e28dd86f59a17b435afa187c27d78406abdd88be4b12eab517aa5c96bd86ec958349865a8bbc896c58e713bc90c91a36b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9c9938c56b9e1e
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/4660-87-0x0000000000AA0000-0x0000000000B42000-memory.dmp family_socks5systemz behavioral2/memory/4660-110-0x0000000000AA0000-0x0000000000B42000-memory.dmp family_socks5systemz behavioral2/memory/4660-111-0x0000000000AA0000-0x0000000000B42000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmpmp3ripfreeedition32_64.exemp3ripfreeedition32_64.exepid process 3476 ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp 2256 mp3ripfreeedition32_64.exe 4660 mp3ripfreeedition32_64.exe -
Loads dropped DLL 1 IoCs
Processes:
ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmppid process 3476 ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.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 91.211.247.248 -
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:
ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmppid process 3476 ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exead7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmpdescription pid process target process PID 5032 wrote to memory of 3476 5032 ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp PID 5032 wrote to memory of 3476 5032 ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp PID 5032 wrote to memory of 3476 5032 ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp PID 3476 wrote to memory of 2256 3476 ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp mp3ripfreeedition32_64.exe PID 3476 wrote to memory of 2256 3476 ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp mp3ripfreeedition32_64.exe PID 3476 wrote to memory of 2256 3476 ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp mp3ripfreeedition32_64.exe PID 3476 wrote to memory of 4660 3476 ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp mp3ripfreeedition32_64.exe PID 3476 wrote to memory of 4660 3476 ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp mp3ripfreeedition32_64.exe PID 3476 wrote to memory of 4660 3476 ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp mp3ripfreeedition32_64.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe"C:\Users\Admin\AppData\Local\Temp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5032 -
C:\Users\Admin\AppData\Local\Temp\is-4D833.tmp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp"C:\Users\Admin\AppData\Local\Temp\is-4D833.tmp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp" /SL5="$A0070,5136792,54272,C:\Users\Admin\AppData\Local\Temp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3476 -
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -i3⤵
- Executes dropped EXE
PID:2256
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C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32_64.exe" -s3⤵
- Executes dropped EXE
PID:4660
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.3MB
MD5a84617568394f531d69584d4f0713ee2
SHA1cfff24a7009f728718ce3e481884306a8eae3d8c
SHA256b182479179554c9e36dedca69e53458d3e12c6c0e91b02369bff51d9330e2f75
SHA51233ea099b56798e7b5df11681268843b0cfe60cc9973462457026de8995a1cc5aae75a7619e3a32ea105f85e4dc9e7344df3875a2abc01596decb13a2e2a8a0a7
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C:\Users\Admin\AppData\Local\Temp\is-4D833.tmp\ad7fe7912d1b7a9cf91c94cde647e9f3bf1e6c1de871df17218e94096fcdd40e.tmp
Filesize680KB
MD5ae871319d0d4d3476a2ee92baee3bcb4
SHA171d7efc96eea4bef5a234f257a2d4185a078acfb
SHA2562565484ec7cfe4452ba2012b2a4587a9028f0983ac6502ecfbb20e6e9bcd4f28
SHA5127a40d2d15a576bf336677d32d385bdf197a4ee7139fa07d5f7009435d6967b09d54a83b3e2d33e7e99f0bde2e5e0263efa6d1d0c057a666422abd6d3dcfb02c2
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63