Analysis
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max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
23/03/2024, 11:43
Static task
static1
Behavioral task
behavioral1
Sample
6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.exe
Resource
win11-20240221-en
General
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Target
6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.exe
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Size
2.0MB
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MD5
81ff59064aee2985951585849fdb1e72
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SHA1
86e8537fdec1a12be3a79318ef37ac8137edcbea
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SHA256
6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171
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SHA512
8e7dcea7445b2f9ffd11991f700036a28f24df3d4b27b252dad829d844fefc25afdd2ce0b7112c71255421b4776b07e388d0d2f413f1177c6222b55e1fe2269d
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SSDEEP
49152:32wTpneykPmxLYSeue04pW3bJr7yOtXXJBdb5v/gDe7D:mwTpnHJYSupW31KQXxF3gDc
Malware Config
Extracted
socks5systemz
http://diszmur.info/search/?q=67e28dd86a5ca17c4108f81b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f571ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe10c9eb979f3b
http://diszmur.info/search/?q=67e28dd86a5ca17c4108f81b7c27d78406abdd88be4b12eab517aa5c96bd86ec908048865a8bbc896c58e713bc90c91836b5281fc235a925ed3e56d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee949b32c96d9316
Signatures
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Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral2/memory/3524-66-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz behavioral2/memory/3524-70-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz behavioral2/memory/3524-79-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz behavioral2/memory/3524-92-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz behavioral2/memory/3524-93-0x0000000000A00000-0x0000000000AA2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 860 6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.tmp 240 colorpicker.exe 3524 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 860 6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.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 4164 wrote to memory of 860 4164 6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.exe 78 PID 4164 wrote to memory of 860 4164 6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.exe 78 PID 4164 wrote to memory of 860 4164 6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.exe 78 PID 860 wrote to memory of 240 860 6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.tmp 79 PID 860 wrote to memory of 240 860 6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.tmp 79 PID 860 wrote to memory of 240 860 6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.tmp 79 PID 860 wrote to memory of 3524 860 6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.tmp 80 PID 860 wrote to memory of 3524 860 6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.tmp 80 PID 860 wrote to memory of 3524 860 6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.tmp 80
Processes
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C:\Users\Admin\AppData\Local\Temp\6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.exe"C:\Users\Admin\AppData\Local\Temp\6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4164 -
C:\Users\Admin\AppData\Local\Temp\is-LL2HL.tmp\6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.tmp"C:\Users\Admin\AppData\Local\Temp\is-LL2HL.tmp\6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.tmp" /SL5="$5010A,1696724,54272,C:\Users\Admin\AppData\Local\Temp\6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:860 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:240
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C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
PID:3524
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.0MB
MD57e7e6a14c9a33e1d872bdfcd6f01df79
SHA17e8e4ab16f34ca58187c6cc607c6762d575bf888
SHA256c2d9b32599563008ad23cc524da0dc03eeabd0f5c75ad92fbc7993531125639a
SHA512d6a68fa321637bdb596aafc92bbe5192e9a0bac2ebbb872fd551e01f2de939f9db2ca7765a124a864aaeb6613c7c86104111cfb0eeeab1be31adc323f328c668
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-LL2HL.tmp\6e8879c7cf7985de7664ac3d756fce01503d9d18fdef1bfdafd568a4cecde171.tmp
Filesize677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39