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Analysis
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max time kernel
144s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
27/07/2024, 21:54
Static task
static1
Behavioral task
behavioral1
Sample
4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe
Resource
win10v2004-20240709-en
General
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Target
4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe
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Size
4.0MB
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MD5
81707fcfdb64a656c89fd031967cff4c
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SHA1
64f9caa0ef50532aa469d64f0c156e5219b14a27
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SHA256
4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2
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SHA512
bd9040c53a6555b0a605dd625b767773dd098a2fb5bb0b9514e52657624b27998f4334d5cb16640657c9f524dd12a09367a439b0cb832ebe5c4b82c868fafaa3
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SSDEEP
98304:NkWnR8/Dl1Pwmel2OlvLuKvm/DNrOcmmMLCH5FVsk2Z9yW4fl9DdI:ILnPwm4FlT5oDNCcmzLCpn2ZGfXS
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
resource yara_rule behavioral1/memory/672-88-0x0000000002250000-0x00000000022F2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp 2880 yofaboom32_64.exe 672 yofaboom32_64.exe -
Loads dropped DLL 6 IoCs
pid Process 2508 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.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 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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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language yofaboom32_64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language yofaboom32_64.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2508 wrote to memory of 2020 2508 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe 29 PID 2508 wrote to memory of 2020 2508 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe 29 PID 2508 wrote to memory of 2020 2508 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe 29 PID 2508 wrote to memory of 2020 2508 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe 29 PID 2508 wrote to memory of 2020 2508 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe 29 PID 2508 wrote to memory of 2020 2508 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe 29 PID 2508 wrote to memory of 2020 2508 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe 29 PID 2020 wrote to memory of 2880 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp 30 PID 2020 wrote to memory of 2880 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp 30 PID 2020 wrote to memory of 2880 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp 30 PID 2020 wrote to memory of 2880 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp 30 PID 2020 wrote to memory of 672 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp 31 PID 2020 wrote to memory of 672 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp 31 PID 2020 wrote to memory of 672 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp 31 PID 2020 wrote to memory of 672 2020 4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp 31
Processes
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C:\Users\Admin\AppData\Local\Temp\4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe"C:\Users\Admin\AppData\Local\Temp\4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Users\Admin\AppData\Local\Temp\is-DPJUJ.tmp\4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp"C:\Users\Admin\AppData\Local\Temp\is-DPJUJ.tmp\4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp" /SL5="$401AE,3950523,54272,C:\Users\Admin\AppData\Local\Temp\4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Users\Admin\AppData\Local\YofaBoom\yofaboom32_64.exe"C:\Users\Admin\AppData\Local\YofaBoom\yofaboom32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2880
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C:\Users\Admin\AppData\Local\YofaBoom\yofaboom32_64.exe"C:\Users\Admin\AppData\Local\YofaBoom\yofaboom32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:672
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\is-DPJUJ.tmp\4a89a8a16e7096c088e391e172ad1ac4fbe4a45a81103b67431f39abcd6da9f2.tmp
Filesize692KB
MD59b4f9ec7acaa0201282f5bb6fc15978b
SHA150aae7d705db9c1ae5bb2b1f4c9317354cc04556
SHA256bc85afd449745aed63029469eec4cc92683dc7645c8ef79cd2dd6ea2fc426916
SHA512ca4ef38cd8f79dc87b5492a9336c716587921e7123728046c802ec90386d9da9c1d1b8df45248aa191286c5fdb99e70dbd7205844c93715a26657ec7bf92918d
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
3.0MB
MD56425c5115ab10d9fb7b66f5e28bc35ac
SHA18d3dbb3d907be967ea9224ceb1455654b2608600
SHA256bd3caf196897d119c36af9a03ed19e552cdfef2818d21c6c8e59d9da5a09f8ee
SHA512b292d22b100fdd61e1f1cdce7b75cfbb4dfad8a5242a87df61a551c6ef13f3d442002640f3cad3f3940cb9580309aa11a85af00cad456f74f0a7536ae0cce8e5