Analysis
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max time kernel
164s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
14-06-2024 07:44
Static task
static1
Behavioral task
behavioral1
Sample
0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.exe
Resource
win11-20240419-en
General
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Target
0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.exe
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Size
5.0MB
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MD5
1d404808fddb8e8f3638ea73a0b57326
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SHA1
6297936dc0638cc67f7938550f3c9e1f4c3c1ca4
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SHA256
0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c
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SHA512
61ad3eb223fa845c1abcf2cb12559c6fb2982973a9e93ba2c6fd621f6bed1059f197246365d9ad93a7c2221925a40fc4c0e97b1a9c8cdc200897441f28b00350
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SSDEEP
98304:mAIX91XtzekTgvUzIKwr0ZUJcrsAACl3RQHr9pITBw/mw74KhIu:tIXntz1gvyB7lWCCzUp2nIu
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2140-90-0x0000000000850000-0x00000000008F2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmpm4atomp3freeconverter.exem4atomp3freeconverter.exepid process 1852 0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp 3056 m4atomp3freeconverter.exe 2140 m4atomp3freeconverter.exe -
Loads dropped DLL 1 IoCs
Processes:
0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmppid process 1852 0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp -
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:
0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmppid process 1852 0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.exe0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmpdescription pid process target process PID 2120 wrote to memory of 1852 2120 0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.exe 0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp PID 2120 wrote to memory of 1852 2120 0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.exe 0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp PID 2120 wrote to memory of 1852 2120 0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.exe 0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp PID 1852 wrote to memory of 3056 1852 0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp m4atomp3freeconverter.exe PID 1852 wrote to memory of 3056 1852 0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp m4atomp3freeconverter.exe PID 1852 wrote to memory of 3056 1852 0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp m4atomp3freeconverter.exe PID 1852 wrote to memory of 2140 1852 0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp m4atomp3freeconverter.exe PID 1852 wrote to memory of 2140 1852 0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp m4atomp3freeconverter.exe PID 1852 wrote to memory of 2140 1852 0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp m4atomp3freeconverter.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.exe"C:\Users\Admin\AppData\Local\Temp\0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-M4SS0.tmp\0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp"C:\Users\Admin\AppData\Local\Temp\is-M4SS0.tmp\0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmp" /SL5="$501D4,4959195,54272,C:\Users\Admin\AppData\Local\Temp\0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.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\M4A to MP3 Free Converter\m4atomp3freeconverter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.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=4212 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --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\M4A to MP3 Free Converter\m4atomp3freeconverter.exeFilesize
3.1MB
MD5b26ddcc7a2d23fe6949b38a31903ca61
SHA1dd18247686b63a27df69aa458b62d0af02f56181
SHA2560e27990ac33b9d559ce0afc257502c727b51bb9b2a8ce68c39789d6565aa82d9
SHA5120c673dcd611def14aeb2f550d25c2f77dce8c82e4664553f18d053a9654e0a8d39cd3ace7834d796c05e4591c612a2dca405b539720cb439e6131cb2bcb99377
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C:\Users\Admin\AppData\Local\Temp\is-53KOT.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-M4SS0.tmp\0a9d34bcfad506b0bea7a71da5e45b4a91a41e88ab0de4a85976810d8965750c.tmpFilesize
680KB
MD5dafff71ba13e58daac2c21ed0ed54458
SHA1ec169d6088ee3a539030ef630164dae1dd7d9a80
SHA256167c4af51c1b261fc6bc53d7e4eab5cc5408ac4953518f1dcd129dbe62aca9fb
SHA512ecd2f14d391892f82efea278949c0a20367bec0eefef159ad44915d008b462ba0ffb5b00175c5b7f9b9e1f2779f9ed562eb39cf143dd9f44b550f96a7c9bc719
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memory/1852-64-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1852-8-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1852-19-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/2120-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/2120-18-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2120-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2140-89-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/2140-83-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/2140-105-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/2140-102-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/2140-74-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/2140-77-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/2140-80-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/2140-99-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/2140-86-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/2140-96-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/2140-90-0x0000000000850000-0x00000000008F2000-memory.dmpFilesize
648KB
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memory/3056-62-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/3056-65-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/3056-69-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB
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memory/3056-67-0x0000000000400000-0x0000000000720000-memory.dmpFilesize
3.1MB