Analysis
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max time kernel
147s -
max time network
156s -
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, 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://csufduz.net/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c647db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ee919d3c
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/3016-70-0x0000000000960000-0x0000000000A02000-memory.dmp family_socks5systemz behavioral2/memory/3016-69-0x0000000000960000-0x0000000000A02000-memory.dmp family_socks5systemz behavioral2/memory/3016-82-0x0000000000960000-0x0000000000A02000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2232 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 2148 colorpicker32.exe 3016 colorpicker32.exe -
Loads dropped DLL 1 IoCs
pid Process 2232 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 9 IoCs
description pid Process procid_target PID 4876 wrote to memory of 2232 4876 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe 90 PID 4876 wrote to memory of 2232 4876 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe 90 PID 4876 wrote to memory of 2232 4876 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe 90 PID 2232 wrote to memory of 2148 2232 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 93 PID 2232 wrote to memory of 2148 2232 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 93 PID 2232 wrote to memory of 2148 2232 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 93 PID 2232 wrote to memory of 3016 2232 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 94 PID 2232 wrote to memory of 3016 2232 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 94 PID 2232 wrote to memory of 3016 2232 24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp 94
Processes
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C:\Users\Admin\AppData\Local\Temp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe"C:\Users\Admin\AppData\Local\Temp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4876 -
C:\Users\Admin\AppData\Local\Temp\is-VSPD7.tmp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp"C:\Users\Admin\AppData\Local\Temp\is-VSPD7.tmp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp" /SL5="$90170,1748293,54272,C:\Users\Admin\AppData\Local\Temp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2232 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
PID:2148
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s3⤵
- Executes dropped EXE
PID:3016
-
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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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Filesize
640KB
MD55f8a03ea8adf5efe286cb7da1a58f792
SHA1f0d2acc2f4146d1ce1cb320479f2a21267a996bf
SHA2561a5e0942cc8a974ff720a02513461976d6bbc52e53d3a2368f61f00c81af2e04
SHA5121f04c5a17caf72ea90874d827e77cb5b086c8b9f41471ba25fba15564f01c6267d4f431ca4f584bb48656d49658743ab81804df56df9d4166080ee361635b413
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Filesize
832KB
MD5fdc76c67c4faa0d42c166e55c294fad9
SHA15939f288154000d3441a89693dbf5b108e9822c4
SHA25627741039681ac3bac3e0a2c59e620490b970ec40e3ef8ebb52c24238b73b3777
SHA5127fbbdbcbb04f5dd55c589a6d5a6690d1c912ac2e023dab3b416716d84cbb6d25183f263c9abaffb03b1c5810dac5c38f4f9484d24d6309d9c420b67f17a487d8
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-VSPD7.tmp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp
Filesize116KB
MD5bdd051f7becf053e4ecfe45db3dc23d8
SHA128511d9b523c8ff025b1d605aa3e7f562220170e
SHA25688cac6e81dab8de9b51b78a422175cdb4967e968b9c1bdeb3c548778292edbd3
SHA51230fc60eefc986f46099cd3ef8081a90922f80412efe06afcafabf0bc92fdc335872666582560447de434a544d0ecdbba44eb1e06902efd744af404fef2daba36
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C:\Users\Admin\AppData\Local\Temp\is-VSPD7.tmp\24a64d449fe06c1eee91a38bcbfcbc925dc4b8edf641d61a4dc44845e604781c.tmp
Filesize677KB
MD5bb16a1aed23a42be299fa83942dc45cc
SHA1eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba
SHA2562fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df
SHA512bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4