Analysis
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max time kernel
143s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
23/03/2024, 17:16
Static task
static1
Behavioral task
behavioral1
Sample
2f2b5ff3c33c62109f96e65c1d7601b0.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2f2b5ff3c33c62109f96e65c1d7601b0.exe
Resource
win10v2004-20240226-en
General
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Target
2f2b5ff3c33c62109f96e65c1d7601b0.exe
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Size
2.0MB
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MD5
2f2b5ff3c33c62109f96e65c1d7601b0
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SHA1
aa8cfcbacc165b941199a9d56045933af952f995
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SHA256
37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81
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SHA512
ce770de242104f4f2fe702724f684ee59973cea11e257d997c18eb9f04487b0a6be9843c7b53070243cc2f1dee2a0e540cf1e379b6548cf40cab74a6fbc967ea
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SSDEEP
49152:32m/hFz6e3Bw45KMgwkYfyZYOgzynV0NWp6V/VtqkOVH:mobVwpooYQKcpGahH
Malware Config
Extracted
socks5systemz
http://bgkriib.com/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668cfe15c2ec97
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/2524-74-0x00000000025D0000-0x0000000002672000-memory.dmp family_socks5systemz behavioral1/memory/2524-77-0x00000000025D0000-0x0000000002672000-memory.dmp family_socks5systemz behavioral1/memory/2524-86-0x00000000025D0000-0x0000000002672000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2840 2f2b5ff3c33c62109f96e65c1d7601b0.tmp 2564 colorpicker.exe 2524 colorpicker.exe -
Loads dropped DLL 5 IoCs
pid Process 2064 2f2b5ff3c33c62109f96e65c1d7601b0.exe 2840 2f2b5ff3c33c62109f96e65c1d7601b0.tmp 2840 2f2b5ff3c33c62109f96e65c1d7601b0.tmp 2840 2f2b5ff3c33c62109f96e65c1d7601b0.tmp 2840 2f2b5ff3c33c62109f96e65c1d7601b0.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 2064 wrote to memory of 2840 2064 2f2b5ff3c33c62109f96e65c1d7601b0.exe 28 PID 2064 wrote to memory of 2840 2064 2f2b5ff3c33c62109f96e65c1d7601b0.exe 28 PID 2064 wrote to memory of 2840 2064 2f2b5ff3c33c62109f96e65c1d7601b0.exe 28 PID 2064 wrote to memory of 2840 2064 2f2b5ff3c33c62109f96e65c1d7601b0.exe 28 PID 2064 wrote to memory of 2840 2064 2f2b5ff3c33c62109f96e65c1d7601b0.exe 28 PID 2064 wrote to memory of 2840 2064 2f2b5ff3c33c62109f96e65c1d7601b0.exe 28 PID 2064 wrote to memory of 2840 2064 2f2b5ff3c33c62109f96e65c1d7601b0.exe 28 PID 2840 wrote to memory of 2564 2840 2f2b5ff3c33c62109f96e65c1d7601b0.tmp 29 PID 2840 wrote to memory of 2564 2840 2f2b5ff3c33c62109f96e65c1d7601b0.tmp 29 PID 2840 wrote to memory of 2564 2840 2f2b5ff3c33c62109f96e65c1d7601b0.tmp 29 PID 2840 wrote to memory of 2564 2840 2f2b5ff3c33c62109f96e65c1d7601b0.tmp 29 PID 2840 wrote to memory of 2524 2840 2f2b5ff3c33c62109f96e65c1d7601b0.tmp 30 PID 2840 wrote to memory of 2524 2840 2f2b5ff3c33c62109f96e65c1d7601b0.tmp 30 PID 2840 wrote to memory of 2524 2840 2f2b5ff3c33c62109f96e65c1d7601b0.tmp 30 PID 2840 wrote to memory of 2524 2840 2f2b5ff3c33c62109f96e65c1d7601b0.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2f2b5ff3c33c62109f96e65c1d7601b0.exe"C:\Users\Admin\AppData\Local\Temp\2f2b5ff3c33c62109f96e65c1d7601b0.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Users\Admin\AppData\Local\Temp\is-4IA1C.tmp\2f2b5ff3c33c62109f96e65c1d7601b0.tmp"C:\Users\Admin\AppData\Local\Temp\is-4IA1C.tmp\2f2b5ff3c33c62109f96e65c1d7601b0.tmp" /SL5="$70126,1752368,54272,C:\Users\Admin\AppData\Local\Temp\2f2b5ff3c33c62109f96e65c1d7601b0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:2564
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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:2524
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.1MB
MD5c963718dcfbf0c912a40a46bafcbe6f1
SHA18633310a8cc797a59a63d8fd54456893402296f8
SHA2569cc03473e79df79135bfad64f51cc2ab03eeba069494045a91ddf0d2745345f6
SHA512f9191caf21877ed861ad09019abf50c591ad5bcb2a478e4518e3e7aa64af73373d46c81e8829e80ac8be78be47d4ea83ff1e420e59297d1cff1718c37ca35c65
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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