Analysis
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max time kernel
147s -
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
23/03/2024, 11:14
Static task
static1
Behavioral task
behavioral1
Sample
5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe
Resource
win11-20240319-en
General
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Target
5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe
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Size
2.0MB
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MD5
ff576bc35cf98eee07585ae5b7c88efc
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SHA1
df8c450c6966db774d06ab8d2feeb97374cda260
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SHA256
5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3
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SHA512
a5303ab816eb67f3d517757d07fc8cd1b8a2e6bd4869ca9744405c9ea75c95f5f058301a9ce7ebf99e407504a51d6c879b06018f44dfde24b38d3c1eed815317
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SSDEEP
49152:32pu+svTDBZMqdkzssuHTSJf20pom5PRXLFzGHWkme7D:mpfMTDBmeUss8TS52teJXc2kmc
Malware Config
Extracted
socks5systemz
http://aicxjai.ru/search/?q=67e28dd83e08a72b4108ad4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4fe8889b5e4fa9281ae978f671ea771795af8e05c644db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9ed909e3f
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/2292-67-0x00000000007F0000-0x0000000000892000-memory.dmp family_socks5systemz behavioral1/memory/2292-66-0x00000000007F0000-0x0000000000892000-memory.dmp family_socks5systemz behavioral1/memory/2292-77-0x00000000007F0000-0x0000000000892000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 3960 5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp 4720 colorpicker.exe 2292 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 3960 5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.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 1292 wrote to memory of 3960 1292 5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe 89 PID 1292 wrote to memory of 3960 1292 5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe 89 PID 1292 wrote to memory of 3960 1292 5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe 89 PID 3960 wrote to memory of 4720 3960 5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp 92 PID 3960 wrote to memory of 4720 3960 5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp 92 PID 3960 wrote to memory of 4720 3960 5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp 92 PID 3960 wrote to memory of 2292 3960 5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp 93 PID 3960 wrote to memory of 2292 3960 5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp 93 PID 3960 wrote to memory of 2292 3960 5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp 93
Processes
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C:\Users\Admin\AppData\Local\Temp\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe"C:\Users\Admin\AppData\Local\Temp\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Users\Admin\AppData\Local\Temp\is-V18UM.tmp\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp"C:\Users\Admin\AppData\Local\Temp\is-V18UM.tmp\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp" /SL5="$B0050,1756523,54272,C:\Users\Admin\AppData\Local\Temp\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3960 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:4720
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
PID:2292
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.1MB
MD577c8e87124cd5534656bf23a7bc21509
SHA11531df44ea2092e5e0f89a12a3e77a19400d9451
SHA256c12f75445e83c4dbe480cc92afc4bdd584f6489811b78f7041fb6fd06488a7aa
SHA5127389ddaa558867edf903b3e81bc432833dc055324a52f3e56638ac6fee1834b557a5e2b96266c9ed7f969dd7f51a6b6dc820b5b1f58b88a0972f7192647224e7
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Filesize
2.0MB
MD510b61d3f396d0db3112f701ff1eeef0e
SHA11c0d6cd7b50df2699641a62cce8133b8e372177f
SHA2567b9f88ce378d3481a7a437570f4e73f6e18ab4a7f9b1289a528978a953c52584
SHA5128395bb347cc2ed412576026fa5c8934369de1cfc5d510fd71476956e08c807d9475968423126cdb2a1214ac4989293d8dce2d678eee7f8c6c97d679734b6bbb8
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Filesize
768KB
MD5125bcf326a556a09d26b4cb30f33a41f
SHA1570ef4eacf435ef527a1a3b732b3117d4fed668b
SHA2561b71d871aa5801f13c2f88f122276c6a6a3133bed0ebaf20ae754c47a7e0a799
SHA512b8473e5f7511695a4f0342b4b88ab41e0cd42416fd9f5ab50b0cea98d1e1611e445fae9593dca658d63d126648ec2e3dc87251b7cb04b2465df3b3ace87e9b06
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-V18UM.tmp\5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3.tmp
Filesize677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39