Analysis
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max time kernel
142s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 19:43
Static task
static1
Behavioral task
behavioral1
Sample
5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe
Resource
win10v2004-20240611-en
Behavioral task
behavioral2
Sample
5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe
Resource
win11-20240611-en
General
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Target
5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe
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Size
5.1MB
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MD5
82005f23b2b25c12baef04dbc6826909
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SHA1
c0cc90dffc8a95b515da98c1ddf671417c59c038
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SHA256
5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09
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SHA512
fd72b8291801687ab3d93ae33fb42e1fae27da6bd18533a92ad2ce513a107e9e7593dea9778aca8eabeb256e20462b47d1d3f167632d94b3dbe262f1101e0692
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SSDEEP
98304:Cf4etLfRwGzmpnwNE4WrqssC++fLxl/Hj+ii9EPBq4CN+JXrPptclxB4nuNQxy:cdtLJw/pnm9WZsEfL3yi08B4ArXksuN1
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/708-88-0x0000000002950000-0x00000000029F2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmpmp3doctorfree32_64.exemp3doctorfree32_64.exepid process 924 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp 372 mp3doctorfree32_64.exe 708 mp3doctorfree32_64.exe -
Loads dropped DLL 1 IoCs
Processes:
5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmppid process 924 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.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:
5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmppid process 924 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmpdescription pid process target process PID 3164 wrote to memory of 924 3164 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp PID 3164 wrote to memory of 924 3164 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp PID 3164 wrote to memory of 924 3164 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp PID 924 wrote to memory of 372 924 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp mp3doctorfree32_64.exe PID 924 wrote to memory of 372 924 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp mp3doctorfree32_64.exe PID 924 wrote to memory of 372 924 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp mp3doctorfree32_64.exe PID 924 wrote to memory of 708 924 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp mp3doctorfree32_64.exe PID 924 wrote to memory of 708 924 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp mp3doctorfree32_64.exe PID 924 wrote to memory of 708 924 5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp mp3doctorfree32_64.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe"C:\Users\Admin\AppData\Local\Temp\5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-MR1IV.tmp\5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp"C:\Users\Admin\AppData\Local\Temp\is-MR1IV.tmp\5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmp" /SL5="$B0028,5086311,54272,C:\Users\Admin\AppData\Local\Temp\5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.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\MP3Doctor Free 2020\mp3doctorfree32_64.exe"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -s3⤵
- Executes dropped EXE
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4416,i,4778049104057176787,6631751660692402210,262144 --variations-seed-version --mojo-platform-channel-handle=3980 /prefetch:81⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exeFilesize
3.8MB
MD5b7d8dda6c10ce4eef9e955881b74ef50
SHA19284b34a24c48c70d8080bed255cdbcadc2824c1
SHA2562e539d22dc4c9f025c5678cb87f3363aedfc2c6a0b4a7570ed38fe9edec1554e
SHA51259fa4d85138f0819a1f40ab9381b99cb1fa29f8edb208ee458e6b746fa9aa239896bce9a5c5437f2e33b48b86d7a09f8378a2c185a8b6e79c5d77b3317901f81
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C:\Users\Admin\AppData\Local\Temp\is-AVKG1.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-MR1IV.tmp\5af1a13a69e8312e32344bbc4caee4939b8736daee15ac2153d856b61a206a09.tmpFilesize
680KB
MD56f995e2d6c8d0d1d03cb3afcd1deafaf
SHA10319dbd8c7b44067b82fed5272059757a526b3aa
SHA256cc4530fee96cf6e821fa1dbed0c46ac5310c57d6336999e3f93d29f78376f9eb
SHA512207b4d327be81e71152ce35cb272362e9862e6002a6c01e9e9df37578c3764ac1c8d19b19e8e3b751162724490f06fea10611d7becabaff3863af993a90db16d
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memory/372-60-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/372-65-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/372-61-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/372-59-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-74-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-84-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-116-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-68-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-113-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-109-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-71-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-106-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-75-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-78-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-81-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-103-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-87-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-88-0x0000000002950000-0x00000000029F2000-memory.dmpFilesize
648KB
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memory/708-94-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-97-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/708-100-0x0000000000400000-0x00000000007C6000-memory.dmpFilesize
3.8MB
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memory/924-13-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/924-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3164-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3164-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3164-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB