Analysis
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max time kernel
147s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
25/03/2024, 01:49
Static task
static1
Behavioral task
behavioral1
Sample
24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe
Resource
win10v2004-20240226-en
General
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Target
24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe
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Size
2.0MB
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MD5
587a7d1a4bba6440512fd5e0c1335f8d
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SHA1
9a51b01a79c54e4c75a84e5adbbb5fc55e0c6306
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SHA256
24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c
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SHA512
7f2a3e4ce40b49150abf66752e74062d85da8754447b5b6cd23c83d48d2a500c614f58eab4e52d43069c8f0be3ee7c0c9a0a6b972c24ccd05dcfc0c6b7df9107
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SSDEEP
49152:32SWtN598t4X2HVLbkidv6DqFG25GpshOwSNmhdFwWHM:mSfrm8vEq2pshFOeM
Malware Config
Extracted
socks5systemz
http://ckhkerb.net/search/?q=67e28dd83958f721120bac1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978f471ea771795af8e05c647db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc10c4e892
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/2692-76-0x00000000021F0000-0x0000000002292000-memory.dmp family_socks5systemz behavioral1/memory/2692-77-0x00000000021F0000-0x0000000002292000-memory.dmp family_socks5systemz behavioral1/memory/2692-88-0x00000000021F0000-0x0000000002292000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2056 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 2488 colorpicker32.exe 2692 colorpicker32.exe -
Loads dropped DLL 5 IoCs
pid Process 2184 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe 2056 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 2056 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 2056 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 2056 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.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 152.89.198.214 -
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 15 IoCs
description pid Process procid_target PID 2184 wrote to memory of 2056 2184 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe 28 PID 2184 wrote to memory of 2056 2184 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe 28 PID 2184 wrote to memory of 2056 2184 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe 28 PID 2184 wrote to memory of 2056 2184 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe 28 PID 2184 wrote to memory of 2056 2184 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe 28 PID 2184 wrote to memory of 2056 2184 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe 28 PID 2184 wrote to memory of 2056 2184 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe 28 PID 2056 wrote to memory of 2488 2056 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 29 PID 2056 wrote to memory of 2488 2056 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 29 PID 2056 wrote to memory of 2488 2056 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 29 PID 2056 wrote to memory of 2488 2056 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 29 PID 2056 wrote to memory of 2692 2056 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 30 PID 2056 wrote to memory of 2692 2056 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 30 PID 2056 wrote to memory of 2692 2056 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 30 PID 2056 wrote to memory of 2692 2056 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe"C:\Users\Admin\AppData\Local\Temp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Users\Admin\AppData\Local\Temp\is-3MPLN.tmp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp"C:\Users\Admin\AppData\Local\Temp\is-3MPLN.tmp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp" /SL5="$70126,1748293,54272,C:\Users\Admin\AppData\Local\Temp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2056 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
PID:2488
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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:2692
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.0MB
MD5871fd344700785c54d1bf670315fb68c
SHA1a7b83a9961ae703a642a06aa9e0c669d4641dfe9
SHA256fdc767beb7a18a284c43a49fdf13bf4b97d44e7a593fbdcaa9fec31f42549255
SHA512c5248d45f759def945a4040ffd3c13699af8630daf93aef73a8e5e8b93854209285ee89bac8110d47b85d4cd34bbe9285518cde2d50fc05f292d488af7e6bab5
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\Users\Admin\AppData\Local\Temp\is-3MPLN.tmp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp
Filesize677KB
MD5bb16a1aed23a42be299fa83942dc45cc
SHA1eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba
SHA2562fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df
SHA512bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3