Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
14-06-2024 01:22
Static task
static1
Behavioral task
behavioral1
Sample
6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.exe
Resource
win10v2004-20240611-en
General
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Target
6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.exe
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Size
5.0MB
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MD5
bf46096f503cf0646b2c10b35314198d
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SHA1
8424f8aa14259c1c2799c923524d911e2643e60e
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SHA256
6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753
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SHA512
1032964ef54d635ab3b4f885d4c0863f8ecdd6a511f40e568f0002f901b707ef35d1427990b1c5e002c9fba4f77d701e0245b8b217cad944deb922194190c5aa
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SSDEEP
98304:mipB02MM+0mSejnGC3Ip83nTGFR8JpMp0AaduZ2c3QSy5iEYDKZZ4YCKe:D02V+0mbJp3jdU2cAljYD84Ys
Malware Config
Extracted
socks5systemz
bmbsois.com
http://bmbsois.com/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1fe8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff712c2e7979e3a
http://bmbsois.com/search/?q=67e28dd86f08f27d120eff4b7c27d78406abdd88be4b12eab517aa5c96bd86ef928044845a8bbc896c58e713bc90c94a36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee9d9939c56d9217
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1224-86-0x00000000025C0000-0x0000000002662000-memory.dmp family_socks5systemz behavioral2/memory/1224-108-0x00000000025C0000-0x0000000002662000-memory.dmp family_socks5systemz behavioral2/memory/1224-109-0x00000000025C0000-0x0000000002662000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Detects executables packed with VMProtect. 18 IoCs
Processes:
resource yara_rule behavioral2/memory/2008-61-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2008-60-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2008-65-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1224-68-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1224-71-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1224-74-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1224-77-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1224-80-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1224-83-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1224-88-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1224-93-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1224-96-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1224-99-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1224-102-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1224-105-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1224-110-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1224-114-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1224-117-0x0000000000400000-0x0000000000721000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
Processes:
6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmpmoonvoiceassist32_64.exemoonvoiceassist32_64.exepid process 752 6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmp 2008 moonvoiceassist32_64.exe 1224 moonvoiceassist32_64.exe -
Loads dropped DLL 1 IoCs
Processes:
6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmppid process 752 6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.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:
6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmppid process 752 6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.exe6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmpdescription pid process target process PID 2428 wrote to memory of 752 2428 6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.exe 6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmp PID 2428 wrote to memory of 752 2428 6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.exe 6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmp PID 2428 wrote to memory of 752 2428 6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.exe 6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmp PID 752 wrote to memory of 2008 752 6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmp moonvoiceassist32_64.exe PID 752 wrote to memory of 2008 752 6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmp moonvoiceassist32_64.exe PID 752 wrote to memory of 2008 752 6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmp moonvoiceassist32_64.exe PID 752 wrote to memory of 1224 752 6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmp moonvoiceassist32_64.exe PID 752 wrote to memory of 1224 752 6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmp moonvoiceassist32_64.exe PID 752 wrote to memory of 1224 752 6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmp moonvoiceassist32_64.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.exe"C:\Users\Admin\AppData\Local\Temp\6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Users\Admin\AppData\Local\Temp\is-CC61A.tmp\6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmp"C:\Users\Admin\AppData\Local\Temp\is-CC61A.tmp\6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmp" /SL5="$70118,4962455,54272,C:\Users\Admin\AppData\Local\Temp\6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:752 -
C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -i3⤵
- Executes dropped EXE
PID:2008 -
C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -s3⤵
- Executes dropped EXE
PID:1224
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exeFilesize
3.1MB
MD56b238834d1e205673070964febf778ce
SHA100dabc6599af66aa83053b4fac1931dbfa0c3f67
SHA2567596bbe3ad006de916434fd564f5b94f8e9e01c691cbfb2cdd5c7436bbe4d7d0
SHA512b603779911a15073e9234f891750dac4c3c67739b500c62b14c686520562ba77c32250d12aaf3e78c50d480fcca4233f76da44da38606d7f2759ec43ff2eb4bc
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C:\Users\Admin\AppData\Local\Temp\is-956GH.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-CC61A.tmp\6cb361b6d9f4eed70fbeb3a482a70d8cabce818b17b3a710c00545a1e7cde753.tmpFilesize
680KB
MD5895d982b558dbe81e0d8d31e818f766e
SHA127d9e61b8edaf48db4c519be05f0f4ea33900a7a
SHA2563c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb
SHA5124ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97
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memory/752-70-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/752-10-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1224-96-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/1224-105-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/1224-117-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/1224-114-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/1224-110-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/1224-68-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/1224-109-0x00000000025C0000-0x0000000002662000-memory.dmpFilesize
648KB
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memory/1224-108-0x00000000025C0000-0x0000000002662000-memory.dmpFilesize
648KB
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memory/1224-71-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/1224-74-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/1224-77-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/1224-80-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/1224-83-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/1224-86-0x00000000025C0000-0x0000000002662000-memory.dmpFilesize
648KB
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memory/1224-88-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/1224-93-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/1224-102-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/1224-99-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/2008-59-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/2008-65-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/2008-60-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/2008-61-0x0000000000400000-0x0000000000721000-memory.dmpFilesize
3.1MB
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memory/2428-1-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/2428-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/2428-69-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB