Analysis
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max time kernel
150s -
max time network
155s -
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, 02:19
Static task
static1
Behavioral task
behavioral1
Sample
acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.exe
Resource
win10v2004-20240226-en
General
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Target
acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.exe
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Size
2.1MB
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MD5
641f8516e40cd57175e08290cb569e8f
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SHA1
8660b99ea39ecee95cdaf6de87d6db1fb6f6184b
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SHA256
acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947
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SHA512
73eacb2fd659ff803ec850bf9feb431d9b456b6224ab052da8a60da9517b9b998a30165a7c8926365b78efe8e36d1dce2ac7bacec29bb9fa07eb7a63ab64228b
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SSDEEP
49152:320rxrsX/GZZlreAilqYVPkCwA4hd74RjsXdHk791O/vVpYaFhgC9M:mgS/kZlre9kYVMCvAwjMmHm//M
Malware Config
Extracted
socks5systemz
http://ayrfwli.ru/search/?q=67e28dd83e08a72b4108ad4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ec97993c
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/3636-68-0x0000000000920000-0x00000000009C2000-memory.dmp family_socks5systemz behavioral2/memory/3636-69-0x0000000000920000-0x00000000009C2000-memory.dmp family_socks5systemz behavioral2/memory/3636-79-0x0000000000920000-0x00000000009C2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Detects executables packed with VMProtect. 20 IoCs
resource yara_rule behavioral2/memory/3224-39-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3224-42-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3224-43-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-46-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-49-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-53-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-54-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-55-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-58-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-61-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-64-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-67-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-75-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-78-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-82-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-85-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-88-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-91-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-95-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3636-98-0x0000000000400000-0x0000000000627000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
pid Process 3396 acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.tmp 3224 colorpicker32.exe 3636 colorpicker32.exe -
Loads dropped DLL 1 IoCs
pid Process 3396 acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.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 404 wrote to memory of 3396 404 acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.exe 89 PID 404 wrote to memory of 3396 404 acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.exe 89 PID 404 wrote to memory of 3396 404 acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.exe 89 PID 3396 wrote to memory of 3224 3396 acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.tmp 92 PID 3396 wrote to memory of 3224 3396 acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.tmp 92 PID 3396 wrote to memory of 3224 3396 acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.tmp 92 PID 3396 wrote to memory of 3636 3396 acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.tmp 93 PID 3396 wrote to memory of 3636 3396 acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.tmp 93 PID 3396 wrote to memory of 3636 3396 acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.tmp 93
Processes
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C:\Users\Admin\AppData\Local\Temp\acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.exe"C:\Users\Admin\AppData\Local\Temp\acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:404 -
C:\Users\Admin\AppData\Local\Temp\is-N7IJ7.tmp\acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.tmp"C:\Users\Admin\AppData\Local\Temp\is-N7IJ7.tmp\acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.tmp" /SL5="$B0062,1854051,54272,C:\Users\Admin\AppData\Local\Temp\acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3396 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
PID:3224
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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:3636
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.1MB
MD5a0442a3ee5560ac72150b3ec3ab0859e
SHA1242561c773ae3209fec6c13db2585c726db8a2f5
SHA256c366fd01dc885a63bcefcc3932cfb73bcb087843a026addebfd5164f6cbdb8d4
SHA512710320eb7c9eb1e7df44c035d35f3d075faae243eb0b157db617662a0eac8fc426432f1aa3d4b49d21f2f1aae8fabd81284b19a5497456dbe6c05b393d8ecae7
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C:\Users\Admin\AppData\Local\Temp\is-N7IJ7.tmp\acf1a8ba6e2046871a9aee94d88264ec9e40906beace50132592996bba3b7947.tmp
Filesize677KB
MD5bb16a1aed23a42be299fa83942dc45cc
SHA1eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba
SHA2562fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df
SHA512bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63