Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2024, 02:12
Static task
static1
Behavioral task
behavioral1
Sample
6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe
Resource
win10v2004-20240226-en
General
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Target
6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe
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Size
2.0MB
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MD5
e1ed82cbc13b80a7dde61c3708120a21
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SHA1
3f8bb8ae282064d1f9d8aeef43eef14b6c91f24c
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SHA256
6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c
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SHA512
352ec886484efcb0d01711ce8d6adb8f4d10c489f796154a93f2f6585052c9dab35607a9c46430c74edbfe0a3f5418b3c603b7b1d6702038952d1ed08c48705a
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SSDEEP
49152:32/DjD65r8nm67RV94/br4xfobNdjN/JGReQPLXOunLt7M:m7jer8nDRXIX4xghdjNBGReQDXOMtM
Malware Config
Extracted
socks5systemz
http://bohliwj.com/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ed929339
http://bohliwj.com/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12eab517aa5c96bd86e993854f885a8bbc896c58e713bc90c91836b5281fc235a925ed3e5cd6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949938cf689f14
Signatures
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Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral2/memory/3536-65-0x00000000007B0000-0x0000000000852000-memory.dmp family_socks5systemz behavioral2/memory/3536-68-0x00000000007B0000-0x0000000000852000-memory.dmp family_socks5systemz behavioral2/memory/3536-77-0x00000000007B0000-0x0000000000852000-memory.dmp family_socks5systemz behavioral2/memory/3536-90-0x00000000007B0000-0x0000000000852000-memory.dmp family_socks5systemz behavioral2/memory/3536-91-0x00000000007B0000-0x0000000000852000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Detects executables packed with VMProtect. 18 IoCs
resource yara_rule behavioral2/memory/4540-39-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4540-42-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-45-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-48-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-52-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-53-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-56-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-59-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-62-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-66-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-73-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-76-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-80-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-83-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-86-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-89-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-95-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3536-98-0x0000000000400000-0x0000000000617000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
pid Process 4508 6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp 4540 colorpicker32.exe 3536 colorpicker32.exe -
Loads dropped DLL 1 IoCs
pid Process 4508 6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 91.211.247.248 -
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 WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3716 wrote to memory of 4508 3716 6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe 91 PID 3716 wrote to memory of 4508 3716 6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe 91 PID 3716 wrote to memory of 4508 3716 6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe 91 PID 4508 wrote to memory of 4540 4508 6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp 94 PID 4508 wrote to memory of 4540 4508 6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp 94 PID 4508 wrote to memory of 4540 4508 6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp 94 PID 4508 wrote to memory of 3536 4508 6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp 95 PID 4508 wrote to memory of 3536 4508 6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp 95 PID 4508 wrote to memory of 3536 4508 6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp 95
Processes
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C:\Users\Admin\AppData\Local\Temp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe"C:\Users\Admin\AppData\Local\Temp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Users\Admin\AppData\Local\Temp\is-HNCHC.tmp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp"C:\Users\Admin\AppData\Local\Temp\is-HNCHC.tmp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp" /SL5="$70096,1788484,54272,C:\Users\Admin\AppData\Local\Temp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4508 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
PID:4540
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C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s3⤵
- Executes dropped EXE
PID:3536
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.1MB
MD5355de55e8eae2d3f5c20b450c8e72d61
SHA1188dc39ea2f8597e0ae1447f9d65f57eb717b94c
SHA256285bd746436ac96e6f8a960f3a506ce90b7535396943cf8f4d17dbb32b189f19
SHA5122859473d3b26e777323818708f873d6cd000c810d07d3178006d5ec7105e68ff3b3f1427ad882dbfaa8af795aee406186b87b8ddc09015ceb04ff52b370af56d
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-HNCHC.tmp\6243e73fcf75709917694b16bde39e15af7138768b7dcb49d43fb91177ebc16c.tmp
Filesize677KB
MD5bb16a1aed23a42be299fa83942dc45cc
SHA1eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba
SHA2562fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df
SHA512bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4