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Analysis
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max time kernel
142s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
12/05/2024, 09:11
Static task
static1
Behavioral task
behavioral1
Sample
7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.exe
Resource
win10v2004-20240426-en
General
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Target
7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.exe
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Size
4.2MB
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MD5
5a0091e55a8dde139614c4fe106a6ce1
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SHA1
cf965423ca85bb3862c62bd0712d2ead032208fd
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SHA256
7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791
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SHA512
e78dece9d1a75ee5f2767b2739e1ed24c85fa775615393b51e14c39012fa86b7472b185ded1a740604f5d970ed3fb01cfb3cd4a8a3c36f5f2b1af282976003a0
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SSDEEP
98304:sy3FP4P0AHs4AKN4tAT7xdfFG1acTWRYch5fye0xcxLdsV8vSt:syKP0t4AKNwAT1DGnWi8wpxArv6
Malware Config
Extracted
socks5systemz
http://bhuaadd.com/search/?q=67e28dd8395dfb2f495fac1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a628bff14c1ed9c
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral1/memory/2460-94-0x0000000002840000-0x00000000028E2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 108 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp 2516 mixerfreeedition.exe 2460 mixerfreeedition.exe -
Loads dropped DLL 5 IoCs
pid Process 3000 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.exe 108 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp 108 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp 108 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp 108 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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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Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3000 wrote to memory of 108 3000 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.exe 28 PID 3000 wrote to memory of 108 3000 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.exe 28 PID 3000 wrote to memory of 108 3000 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.exe 28 PID 3000 wrote to memory of 108 3000 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.exe 28 PID 3000 wrote to memory of 108 3000 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.exe 28 PID 3000 wrote to memory of 108 3000 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.exe 28 PID 3000 wrote to memory of 108 3000 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.exe 28 PID 108 wrote to memory of 2516 108 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp 29 PID 108 wrote to memory of 2516 108 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp 29 PID 108 wrote to memory of 2516 108 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp 29 PID 108 wrote to memory of 2516 108 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp 29 PID 108 wrote to memory of 2460 108 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp 30 PID 108 wrote to memory of 2460 108 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp 30 PID 108 wrote to memory of 2460 108 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp 30 PID 108 wrote to memory of 2460 108 7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.exe"C:\Users\Admin\AppData\Local\Temp\7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Users\Admin\AppData\Local\Temp\is-2KNNU.tmp\7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp"C:\Users\Admin\AppData\Local\Temp\is-2KNNU.tmp\7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp" /SL5="$4012C,4101844,54272,C:\Users\Admin\AppData\Local\Temp\7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:108 -
C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe"C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe" -i3⤵
- Executes dropped EXE
PID:2516
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C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe"C:\Users\Admin\AppData\Local\Mixer Free Edition\mixerfreeedition.exe" -s3⤵
- Executes dropped EXE
PID:2460
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.9MB
MD55fbd844a6ce26deb5337e8e6dd7c7b70
SHA15302e49b2027a07c7bb8f95d45510efc0d954cf8
SHA256f0d640c4e07c81c29f0ec2b603ec3017bdd4db0d0e26c3fa364a6bbf45826058
SHA512c383b5ec9fb9efd53cdf00c2b0940fe60a35a857f8be40ae0763647c3523712553910aca8504768cc86895b2168525fa6043d567e66e0ed5696e2c8e5e7b992d
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Filesize
1.7MB
MD5a8114231cdb1fa3459a12f7f95b73993
SHA1c6f060c139b46da8e51e1143433abc4c2f4c453f
SHA25671551da3bacea0190f4be447bd00cc91d59cb7f62ea02f67e3541924588411fe
SHA51288a7ed2a5c770f178bfde5836698f3b5055415c6b2bf7daf17f892a2c669bc3cde56d0f10fe8417c5093dc6fd5197792d280f39d4d7deceabf52ae863734bc5a
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\Users\Admin\AppData\Local\Temp\is-2KNNU.tmp\7fcf9da4f0365c791ee2e24a2cdf92f2a42c130ea851380096c267a98e77d791.tmp
Filesize696KB
MD5c6061f804038f66af0cbf28c43abf849
SHA10473fc63f6514857bba850ce50206fbe8c992b64
SHA2566261d17d1ab1744496c0f2988954989398d6829f2417df5420ffdf6d64f8678e
SHA512edf27bfeec82752b6d52a8eb68853dde5d5effd9c3a8c1c93e181167d8bc5ae2c6d7b19ac74955c91aa4e90913fb7dcc8439d33a5e0c8aac5fe71c914596e0ae
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3