Analysis
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max time kernel
293s -
max time network
255s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
01-07-2024 05:07
Static task
static1
Behavioral task
behavioral1
Sample
b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exe
Resource
win10-20240404-en
General
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Target
b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exe
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Size
5.0MB
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MD5
67c79b9ee49e85455c16c661b0c3888d
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SHA1
6bfb29d8752bd13e7384121017511fba4f586b23
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SHA256
b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8
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SHA512
5f96fc3c72731675c50062a3a09e45bc67e1d6a43169c5d10a0da6d11f5343a0cffe97ce670b571254894c35b4a2dfc9f65ca3954f4a938314d3541a1ef3be71
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SSDEEP
98304:Coo8nA+HvBCv/HB4HwEpAZlL/nwk9pLBhEHF1XwV3nQm+XOQx7:E+PB8pOlOf/nwkzEPc3nnQt
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/504-83-0x0000000000A20000-0x0000000000AC2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmpvixenjunior32.exevixenjunior32.exepid process 3320 b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp 1864 vixenjunior32.exe 504 vixenjunior32.exe -
Loads dropped DLL 1 IoCs
Processes:
b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmppid process 3320 b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.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 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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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:
b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmppid process 3320 b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exeb8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmpdescription pid process target process PID 3620 wrote to memory of 3320 3620 b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exe b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp PID 3620 wrote to memory of 3320 3620 b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exe b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp PID 3620 wrote to memory of 3320 3620 b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exe b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp PID 3320 wrote to memory of 1864 3320 b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp vixenjunior32.exe PID 3320 wrote to memory of 1864 3320 b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp vixenjunior32.exe PID 3320 wrote to memory of 1864 3320 b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp vixenjunior32.exe PID 3320 wrote to memory of 504 3320 b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp vixenjunior32.exe PID 3320 wrote to memory of 504 3320 b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp vixenjunior32.exe PID 3320 wrote to memory of 504 3320 b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp vixenjunior32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exe"C:\Users\Admin\AppData\Local\Temp\b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-JCLC6.tmp\b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp"C:\Users\Admin\AppData\Local\Temp\is-JCLC6.tmp\b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmp" /SL5="$601E6,5020597,54272,C:\Users\Admin\AppData\Local\Temp\b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.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\Morphology VIXEN Junior\vixenjunior32.exe"C:\Users\Admin\AppData\Local\Morphology VIXEN Junior\vixenjunior32.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Morphology VIXEN Junior\vixenjunior32.exe"C:\Users\Admin\AppData\Local\Morphology VIXEN Junior\vixenjunior32.exe" -s3⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Morphology VIXEN Junior\vixenjunior32.exeFilesize
3.4MB
MD52ee02fbeb564cf8d852dc4680ba03096
SHA1007d637b245303fd1aa698f480c0fd406e4ede3d
SHA256055a5c3933575d037f94ba0e823dd13170ba50e0b8dda618bc05607b4b746bfb
SHA5128b068c0b963bbf86f0ea3c0d518e02da009573167305ac97f0944d6a8b4b1cea75ac3e04093fa3baabe819907f2cbd211f6dcd616c6efd25c9f848118047a373
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C:\Users\Admin\AppData\Local\Temp\is-JCLC6.tmp\b8837253205ae612758d1dfe0ecbe3de423314595be273edcf2acc19c0fc3bb8.tmpFilesize
680KB
MD5fddb6f72f126578c0c2a7d3a62eafa25
SHA1bbc9db04383e8bdceab8ca241ff8b9d865d2da8b
SHA25668aaee79b2d80910719c70c2995c1b7f113e3fd972eeb36ca3f5159f655b366d
SHA5123e957f6080a88157b7807f635bf72ac28de3e5568b68c091e5b10b3ff0c99e3d2d70b5c06f7d3650d9198f101d177584c7e2ac28938f63475117be4e306284cd
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\Users\Admin\AppData\Local\Temp\is-F9PR7.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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memory/504-99-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-102-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-129-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-124-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-121-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-118-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-115-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-112-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-68-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-71-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-74-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-77-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-80-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-83-0x0000000000A20000-0x0000000000AC2000-memory.dmpFilesize
648KB
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memory/504-85-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-90-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-93-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-96-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-109-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/504-106-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/1864-63-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/1864-60-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/1864-59-0x0000000000400000-0x0000000000760000-memory.dmpFilesize
3.4MB
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memory/3320-13-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3320-67-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/3620-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3620-66-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/3620-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB