Analysis
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max time kernel
149s -
max time network
158s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
30-06-2024 20:26
Static task
static1
Behavioral task
behavioral1
Sample
f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.exe
Resource
win11-20240508-en
General
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Target
f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.exe
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Size
5.0MB
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MD5
cd3d41ff24acdaf33336c62e8f54b7ba
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SHA1
abb1d9a5762821f4aad31146ace4d4845ed93b8d
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SHA256
f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7
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SHA512
f67856dafa8d27a5e4c264dab981dec4747727f65b140f1c0485718c390292a63fdcc86fc980d7c68716c33f7024dcf759dfd126c0d3b1c740728d241cee3d90
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SSDEEP
98304:CwHt6o57vaXSqXWpnvQ6lpkQEEmsVqoIMOLDMBwSOnIDRvEd+fQx7:eo57vySJvbpkKV4o3MMp+ID5+MQt
Malware Config
Signatures
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Detect Socks5Systemz Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4988-88-0x0000000000980000-0x0000000000A22000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmpvixenjunior32.exevixenjunior32.exepid process 4056 f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmp 1544 vixenjunior32.exe 4988 vixenjunior32.exe -
Loads dropped DLL 1 IoCs
Processes:
f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmppid process 4056 f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.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 141.98.234.31 -
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:
f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmppid process 4056 f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.exef2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmpdescription pid process target process PID 476 wrote to memory of 4056 476 f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.exe f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmp PID 476 wrote to memory of 4056 476 f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.exe f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmp PID 476 wrote to memory of 4056 476 f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.exe f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmp PID 4056 wrote to memory of 1544 4056 f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmp vixenjunior32.exe PID 4056 wrote to memory of 1544 4056 f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmp vixenjunior32.exe PID 4056 wrote to memory of 1544 4056 f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmp vixenjunior32.exe PID 4056 wrote to memory of 4988 4056 f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmp vixenjunior32.exe PID 4056 wrote to memory of 4988 4056 f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmp vixenjunior32.exe PID 4056 wrote to memory of 4988 4056 f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmp vixenjunior32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.exe"C:\Users\Admin\AppData\Local\Temp\f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-SRAR0.tmp\f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmp"C:\Users\Admin\AppData\Local\Temp\is-SRAR0.tmp\f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmp" /SL5="$80242,4984813,54272,C:\Users\Admin\AppData\Local\Temp\f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.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
MD53e37100cd81385e58f3cf10dca7298ef
SHA1531bc59129b014a199275024c090cec0405df6d5
SHA25635efdcb5095f91b8ae77431e4c6f1bcba487773f8210b6d116fc257502b3e5e6
SHA51286e9390d5e556393024001b5889cd72b193f8b5f1c21ca1f476858a6674c701135330d2d9eb07691f1d149c4ba540de98e8e0f1f6be3a57fde44785152bceeaf
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C:\Users\Admin\AppData\Local\Temp\is-A9QUC.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-SRAR0.tmp\f2f33a01d49f3b00ceeb2be892c4ff29c4e258586d5edd30fce8e029dd977ff7.tmpFilesize
680KB
MD5fddb6f72f126578c0c2a7d3a62eafa25
SHA1bbc9db04383e8bdceab8ca241ff8b9d865d2da8b
SHA25668aaee79b2d80910719c70c2995c1b7f113e3fd972eeb36ca3f5159f655b366d
SHA5123e957f6080a88157b7807f635bf72ac28de3e5568b68c091e5b10b3ff0c99e3d2d70b5c06f7d3650d9198f101d177584c7e2ac28938f63475117be4e306284cd
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memory/476-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/476-2-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/476-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/1544-59-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/1544-60-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/1544-63-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/1544-64-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4056-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4056-10-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4988-71-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-87-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-68-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-75-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-74-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-78-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-81-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-84-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-88-0x0000000000980000-0x0000000000A22000-memory.dmpFilesize
648KB
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memory/4988-66-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-94-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-97-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-100-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-103-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-106-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-109-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-112-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB
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memory/4988-115-0x0000000000400000-0x0000000000762000-memory.dmpFilesize
3.4MB