Analysis
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max time kernel
150s -
max time network
151s -
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, 14:41
Static task
static1
Behavioral task
behavioral1
Sample
7447d5db9ccf93f6a8ecf22ae9fec082.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
7447d5db9ccf93f6a8ecf22ae9fec082.exe
Resource
win10v2004-20240226-en
General
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Target
7447d5db9ccf93f6a8ecf22ae9fec082.exe
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Size
2.2MB
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MD5
7447d5db9ccf93f6a8ecf22ae9fec082
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SHA1
0c3a044c669e1cce8e6d9ec103a9d3e587fa1acb
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SHA256
92d1895c792c289e89a3ef19f00a1061e6928fed385b71358f0c407066939269
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SHA512
a8761937c73267aeeefb6093903c74c8e8119e65632e1130cb77617f4cf53c8a4a8f177cd464fe849b455bf430f28599d6433f2350fb5b348afa10f5070d0461
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SSDEEP
49152:32DbrhTeTjpdvbXKGJ1X2nIIT6yXaHs4NgJH:mDbrMjpdjJTX2n+VM4NgJH
Malware Config
Extracted
socks5systemz
http://bfmuaur.com/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978fe71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c0eb9c9832
http://bfmuaur.com/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12eab517aa5c96bd86e9948048815a8bbc896c58e713bc90c91f36b5281fc235a925ed3e5dd6bd974a95129070b616e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee94983bc966941f
Signatures
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Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral2/memory/1504-65-0x0000000000840000-0x00000000008E2000-memory.dmp family_socks5systemz behavioral2/memory/1504-69-0x0000000000840000-0x00000000008E2000-memory.dmp family_socks5systemz behavioral2/memory/1504-78-0x0000000000840000-0x00000000008E2000-memory.dmp family_socks5systemz behavioral2/memory/1504-91-0x0000000000840000-0x00000000008E2000-memory.dmp family_socks5systemz behavioral2/memory/1504-92-0x0000000000840000-0x00000000008E2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2800 7447d5db9ccf93f6a8ecf22ae9fec082.tmp 2584 colorpicker.exe 1504 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 2800 7447d5db9ccf93f6a8ecf22ae9fec082.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 2136 wrote to memory of 2800 2136 7447d5db9ccf93f6a8ecf22ae9fec082.exe 90 PID 2136 wrote to memory of 2800 2136 7447d5db9ccf93f6a8ecf22ae9fec082.exe 90 PID 2136 wrote to memory of 2800 2136 7447d5db9ccf93f6a8ecf22ae9fec082.exe 90 PID 2800 wrote to memory of 2584 2800 7447d5db9ccf93f6a8ecf22ae9fec082.tmp 92 PID 2800 wrote to memory of 2584 2800 7447d5db9ccf93f6a8ecf22ae9fec082.tmp 92 PID 2800 wrote to memory of 2584 2800 7447d5db9ccf93f6a8ecf22ae9fec082.tmp 92 PID 2800 wrote to memory of 1504 2800 7447d5db9ccf93f6a8ecf22ae9fec082.tmp 93 PID 2800 wrote to memory of 1504 2800 7447d5db9ccf93f6a8ecf22ae9fec082.tmp 93 PID 2800 wrote to memory of 1504 2800 7447d5db9ccf93f6a8ecf22ae9fec082.tmp 93
Processes
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C:\Users\Admin\AppData\Local\Temp\7447d5db9ccf93f6a8ecf22ae9fec082.exe"C:\Users\Admin\AppData\Local\Temp\7447d5db9ccf93f6a8ecf22ae9fec082.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Users\Admin\AppData\Local\Temp\is-NT3P5.tmp\7447d5db9ccf93f6a8ecf22ae9fec082.tmp"C:\Users\Admin\AppData\Local\Temp\is-NT3P5.tmp\7447d5db9ccf93f6a8ecf22ae9fec082.tmp" /SL5="$5006A,1943765,54272,C:\Users\Admin\AppData\Local\Temp\7447d5db9ccf93f6a8ecf22ae9fec082.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2800 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:2584
-
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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:1504
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.4MB
MD51e1d33135aee5b96e9428b65f0c08234
SHA17dce01cb5cd2d62b9bb1f3ccc89c5bb29e0cc409
SHA256c0e131b1f66a2c1562a303c3f367bd959c722fc35620b97c34e4cebbcf2bf740
SHA5120e32edf2ca3e8c8059b103b8601474b117ac1a714bbfb4be72a6523938fc11881edb522964417a886328f2f653e309dd71700fc3d96568452d2bb57f8b351bd2
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Filesize
1.4MB
MD5613a08c9b80a7191d04aee7bcaa8ce5c
SHA1b0b0ddc58e193ef63b927592237705857b7f4559
SHA256bc730af72f3e31187f0259870f0ff2fa888fb00fe7a58d1ad92dd55a6b856829
SHA512012fd46f3c5a4b539d57c4e253c38a93ade59906d51c381e99a368ea5c69720044c1c13e0322dcf5ff5665733bdc42fbf843f0e16135ce69aeb0bc3a606bba20
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Filesize
1.4MB
MD5b6b2a72b1573d42c24fe5487bffe5cc3
SHA140fc96591c9f6432e45dc42b6c1ffe579b692caf
SHA25662e816ecaa0b48be90017cf1c26c2049545a518bce7ae68b3f8546761d69ec83
SHA51211b674ec0e9cf91b953f125b2348a88a7e1d765820001131bd2165ad1fea2fd4fda96bf2d97f428163f05319f1b79f1b81c58abcd7d4d8538a2549d12bc19f0d
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
677KB
MD5d394fc26de69f06950dc1c71959b0261
SHA17c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA51263ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10