Analysis
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max time kernel
145s -
max time network
131s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23/03/2024, 14:21
Static task
static1
Behavioral task
behavioral1
Sample
4b9151a0fcc00b7ebe774bb2489bc530.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4b9151a0fcc00b7ebe774bb2489bc530.exe
Resource
win10v2004-20240226-en
General
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Target
4b9151a0fcc00b7ebe774bb2489bc530.exe
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Size
2.2MB
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MD5
4b9151a0fcc00b7ebe774bb2489bc530
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SHA1
40fa43f01b6bdf5e946bb2088fec786f3d3b708a
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SHA256
45d3e2a90ffe10319fe19d04af1fbe783101c3be4841710e506ac84d0e882d07
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SHA512
8ea55f1c06178f87edade8fbbd4031905195fa86a422d5e07c6c06f2cf538f4649691d867b740a0c6b2a178ab39f7dfde1a95108266e3dff74df33361930866d
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SSDEEP
49152:321Jclh7yWuOym9ASMvcW63qheRFv2vLsmL2H2H5QihKF/nyGH:m1JkuWukASkncRszZ2H2H5NUVnXH
Malware Config
Extracted
socks5systemz
http://buadasg.com/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668cff12c7ec94
http://buadasg.com/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12eab517aa5c96bd86ee9d8145815a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b611e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ed95993cce6e
Signatures
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Detect Socks5Systemz Payload 4 IoCs
resource yara_rule behavioral1/memory/2652-74-0x0000000002650000-0x00000000026F2000-memory.dmp family_socks5systemz behavioral1/memory/2652-84-0x0000000002650000-0x00000000026F2000-memory.dmp family_socks5systemz behavioral1/memory/2652-97-0x0000000002650000-0x00000000026F2000-memory.dmp family_socks5systemz behavioral1/memory/2652-98-0x0000000002650000-0x00000000026F2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2724 4b9151a0fcc00b7ebe774bb2489bc530.tmp 2504 colorpicker.exe 2652 colorpicker.exe -
Loads dropped DLL 5 IoCs
pid Process 2180 4b9151a0fcc00b7ebe774bb2489bc530.exe 2724 4b9151a0fcc00b7ebe774bb2489bc530.tmp 2724 4b9151a0fcc00b7ebe774bb2489bc530.tmp 2724 4b9151a0fcc00b7ebe774bb2489bc530.tmp 2724 4b9151a0fcc00b7ebe774bb2489bc530.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 45.155.250.90 -
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 2180 wrote to memory of 2724 2180 4b9151a0fcc00b7ebe774bb2489bc530.exe 28 PID 2180 wrote to memory of 2724 2180 4b9151a0fcc00b7ebe774bb2489bc530.exe 28 PID 2180 wrote to memory of 2724 2180 4b9151a0fcc00b7ebe774bb2489bc530.exe 28 PID 2180 wrote to memory of 2724 2180 4b9151a0fcc00b7ebe774bb2489bc530.exe 28 PID 2180 wrote to memory of 2724 2180 4b9151a0fcc00b7ebe774bb2489bc530.exe 28 PID 2180 wrote to memory of 2724 2180 4b9151a0fcc00b7ebe774bb2489bc530.exe 28 PID 2180 wrote to memory of 2724 2180 4b9151a0fcc00b7ebe774bb2489bc530.exe 28 PID 2724 wrote to memory of 2504 2724 4b9151a0fcc00b7ebe774bb2489bc530.tmp 29 PID 2724 wrote to memory of 2504 2724 4b9151a0fcc00b7ebe774bb2489bc530.tmp 29 PID 2724 wrote to memory of 2504 2724 4b9151a0fcc00b7ebe774bb2489bc530.tmp 29 PID 2724 wrote to memory of 2504 2724 4b9151a0fcc00b7ebe774bb2489bc530.tmp 29 PID 2724 wrote to memory of 2652 2724 4b9151a0fcc00b7ebe774bb2489bc530.tmp 30 PID 2724 wrote to memory of 2652 2724 4b9151a0fcc00b7ebe774bb2489bc530.tmp 30 PID 2724 wrote to memory of 2652 2724 4b9151a0fcc00b7ebe774bb2489bc530.tmp 30 PID 2724 wrote to memory of 2652 2724 4b9151a0fcc00b7ebe774bb2489bc530.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\4b9151a0fcc00b7ebe774bb2489bc530.exe"C:\Users\Admin\AppData\Local\Temp\4b9151a0fcc00b7ebe774bb2489bc530.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Users\Admin\AppData\Local\Temp\is-V1EP5.tmp\4b9151a0fcc00b7ebe774bb2489bc530.tmp"C:\Users\Admin\AppData\Local\Temp\is-V1EP5.tmp\4b9151a0fcc00b7ebe774bb2489bc530.tmp" /SL5="$4010A,1966609,54272,C:\Users\Admin\AppData\Local\Temp\4b9151a0fcc00b7ebe774bb2489bc530.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:2504
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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:2652
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.2MB
MD50341a71415d5c43879d5941ca65396ba
SHA18526a5a86e7d11b73633e27629351087079d2291
SHA256fe804d96f2cf809d1e13b9df072c5ee2b44fe71164a845d3cea4041d428203ee
SHA5126498e788438dcbf334176011bbf1a12bd98542552b12af56f2b4a8fc385247e1a1f052dba26211fc72ec1357125d6d800638946c427cc1dcd853353ec7d70f0e
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
677KB
MD5d394fc26de69f06950dc1c71959b0261
SHA17c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA51263ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10