Analysis
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max time kernel
150s -
max time network
150s -
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, 02:26
Static task
static1
Behavioral task
behavioral1
Sample
d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.exe
Resource
win10v2004-20240226-en
General
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Target
d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.exe
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Size
2.1MB
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MD5
62a66a8f38b5d8c588710e33836ec461
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SHA1
fa4cae82470c0b230b9c78050b7634945289a7a9
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SHA256
d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09
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SHA512
2606ed96f63e6648d333b112290338797b163810fc73d938816cc265deb0c088d1ff73f2c4ffcab5d35a45248dd1619327b252386c6ac5b8e0c7278602e3a916
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SSDEEP
49152:32pqWm1Pyj+QqyNT5i4zOi3VqfbLt/RMhUK+F4axtxM:mptIqj+M1ffFrzk48DM
Malware Config
Extracted
socks5systemz
http://bgpuktw.com/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ec939233
http://bgpuktw.com/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12eab517aa5c96bd86e993854f885a8bbc896c58e713bc90c91836b5281fc235a925ed3e5cd6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949938ce699e1e
Signatures
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Detect Socks5Systemz Payload 4 IoCs
resource yara_rule behavioral2/memory/1984-66-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz behavioral2/memory/1984-76-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz behavioral2/memory/1984-90-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz behavioral2/memory/1984-91-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Detects executables packed with VMProtect. 19 IoCs
resource yara_rule behavioral2/memory/3200-38-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3200-41-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3200-42-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-45-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-48-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-52-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-53-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-56-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-59-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-62-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-65-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-72-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-75-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-79-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-82-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-85-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-88-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-93-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/1984-97-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
pid Process 4208 d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.tmp 3200 colorpicker32.exe 1984 colorpicker32.exe -
Loads dropped DLL 1 IoCs
pid Process 4208 d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.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 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 WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4892 wrote to memory of 4208 4892 d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.exe 89 PID 4892 wrote to memory of 4208 4892 d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.exe 89 PID 4892 wrote to memory of 4208 4892 d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.exe 89 PID 4208 wrote to memory of 3200 4208 d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.tmp 92 PID 4208 wrote to memory of 3200 4208 d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.tmp 92 PID 4208 wrote to memory of 3200 4208 d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.tmp 92 PID 4208 wrote to memory of 1984 4208 d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.tmp 94 PID 4208 wrote to memory of 1984 4208 d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.tmp 94 PID 4208 wrote to memory of 1984 4208 d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.tmp 94
Processes
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C:\Users\Admin\AppData\Local\Temp\d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.exe"C:\Users\Admin\AppData\Local\Temp\d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4892 -
C:\Users\Admin\AppData\Local\Temp\is-1BF7K.tmp\d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.tmp"C:\Users\Admin\AppData\Local\Temp\is-1BF7K.tmp\d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.tmp" /SL5="$60206,1793577,54272,C:\Users\Admin\AppData\Local\Temp\d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4208 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
PID:3200
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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:1984
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.1MB
MD53b5b40d48a9972cee08a162dfae96d05
SHA1da274c0dafaa32c054dde1229623f97d3e50e499
SHA2569556617a125e035789f5d500de74041dd384e61e7de74224047652e9f47cdd58
SHA512127cd5d288964968aa97a360385d08d210df465da76f9ca391c5654068dd36d873d04b6264b3745f494cf2d06617bde9e5203d461bdfce84509ea8798b958927
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Filesize
1.4MB
MD51b1450527e92f78cfa89eb8f3b122259
SHA121d405a23f7a6e781501d0fa494e2a98504215fa
SHA256a59a779f43b7b8af7387d70d9d452036e661e0d1015d7f33f10f72db69edf7fc
SHA512f821ead662865ac91e79a19d59fe64ae52ae4a36f5e98ec60e6e86ec5a7af253150537090f3a230e29536ff96450abe60faf1667c59cb4bffd3c7a09497bc224
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Filesize
640KB
MD5f43897bb1347819122f08493731b2683
SHA10899f880307031a58c75ace5d2d2df11a3d2d767
SHA2560a74f25ed7e6b16a7d412c36c4ac265c33fbe3b10d6c7ab4bde3e1b9e57bc034
SHA512315d35862e4a6086f5be1b60dd01a6520d92ca2102d0137c48398ee6f8d39443de22523adf69034dd06c85bfade109a289e29d99e5ddd319fe236d8d9c4a4f3b
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C:\Users\Admin\AppData\Local\Temp\is-1BF7K.tmp\d3eed14b62ecea9cde96248df1c2d216c004c62c6e80287da6bd0b7d09952e09.tmp
Filesize677KB
MD5bb16a1aed23a42be299fa83942dc45cc
SHA1eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba
SHA2562fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df
SHA512bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63