Analysis
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max time kernel
145s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 22:21
Static task
static1
Behavioral task
behavioral1
Sample
b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exe
Resource
win11-20240611-en
General
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Target
b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exe
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Size
5.3MB
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MD5
1b069699986845b90e02e1a96827a4f1
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SHA1
026afba6186f5abaac6e10fa5205d7d480d04678
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SHA256
b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a
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SHA512
6c9e8c6ff5ae92b37bc99fa77abbe44b58a9f6502226bb13379a0e84b9b84c9a69b79f23e86d44e4af25af648612b3413b7cb7a716952bb5911273cd21debb4b
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SSDEEP
98304:C2b02CPWcPecIlge2AN2HrYM2geq6XWxGVAn48tK/h6E5/89qeoYe+NXkcZWuUQE:V0/Pe7gWorYngeqem48q6EBmpe+NXu/1
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/4272-87-0x0000000000B40000-0x0000000000BE2000-memory.dmp family_socks5systemz behavioral1/memory/4272-112-0x0000000000B40000-0x0000000000BE2000-memory.dmp family_socks5systemz behavioral1/memory/4272-111-0x0000000000B40000-0x0000000000BE2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmpmp3doctorfree32_64.exemp3doctorfree32_64.exepid process 1304 b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp 3868 mp3doctorfree32_64.exe 4272 mp3doctorfree32_64.exe -
Loads dropped DLL 1 IoCs
Processes:
b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmppid process 1304 b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.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 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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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:
b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmppid process 1304 b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exeb1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmpdescription pid process target process PID 3076 wrote to memory of 1304 3076 b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exe b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp PID 3076 wrote to memory of 1304 3076 b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exe b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp PID 3076 wrote to memory of 1304 3076 b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exe b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp PID 1304 wrote to memory of 3868 1304 b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp mp3doctorfree32_64.exe PID 1304 wrote to memory of 3868 1304 b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp mp3doctorfree32_64.exe PID 1304 wrote to memory of 3868 1304 b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp mp3doctorfree32_64.exe PID 1304 wrote to memory of 4272 1304 b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp mp3doctorfree32_64.exe PID 1304 wrote to memory of 4272 1304 b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp mp3doctorfree32_64.exe PID 1304 wrote to memory of 4272 1304 b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp mp3doctorfree32_64.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exe"C:\Users\Admin\AppData\Local\Temp\b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-I5HC5.tmp\b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp"C:\Users\Admin\AppData\Local\Temp\is-I5HC5.tmp\b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmp" /SL5="$A002E,5285551,54272,C:\Users\Admin\AppData\Local\Temp\b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.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 --no-appcompat-clear --mojo-platform-channel-handle=4440 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /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
3.9MB
MD53bd2bd459ae930bc3f20152c13902645
SHA13f354c8f115329029b528cd76c6632bcb4136819
SHA2564891c316d865082fdb0d2f953e472ff93a89401c8ea28ad434807e08e00124ab
SHA5122a71c5ab3f92c07b2ae12ff774a86dc92884f604a2321068f45a81b6a2ac18ab1e3928aa4f037105ecbcabf2095140418438fb1e8640d7bcb5579d8b0c6bff5c
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C:\Users\Admin\AppData\Local\Temp\is-9G8AL.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-I5HC5.tmp\b1234e49f37f6fc2d6715ddb9c83df98849c426eba924dd2faa5fe7d4d78a08a.tmpFilesize
680KB
MD56f995e2d6c8d0d1d03cb3afcd1deafaf
SHA10319dbd8c7b44067b82fed5272059757a526b3aa
SHA256cc4530fee96cf6e821fa1dbed0c46ac5310c57d6336999e3f93d29f78376f9eb
SHA512207b4d327be81e71152ce35cb272362e9862e6002a6c01e9e9df37578c3764ac1c8d19b19e8e3b751162724490f06fea10611d7becabaff3863af993a90db16d
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memory/1304-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1304-7-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3076-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/3076-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3076-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3868-59-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/3868-60-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/3868-61-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/3868-65-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/4272-75-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/4272-95-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/4272-68-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/4272-77-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/4272-79-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/4272-82-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/4272-85-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/4272-87-0x0000000000B40000-0x0000000000BE2000-memory.dmpFilesize
648KB
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memory/4272-90-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/4272-72-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/4272-98-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/4272-101-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/4272-103-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/4272-106-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/4272-110-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB
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memory/4272-112-0x0000000000B40000-0x0000000000BE2000-memory.dmpFilesize
648KB
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memory/4272-111-0x0000000000B40000-0x0000000000BE2000-memory.dmpFilesize
648KB
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memory/4272-116-0x0000000000400000-0x00000000007F2000-memory.dmpFilesize
3.9MB