Analysis
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max time kernel
143s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
25/03/2024, 01:32
Static task
static1
Behavioral task
behavioral1
Sample
37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe
Resource
win10v2004-20240226-en
General
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Target
37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.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://bfggadb.com/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfc11c4ec96
http://bfggadb.com/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12eab517aa5c96bd86ef91804f815a8bbc896c58e713bc90c91b36b5281fc235a925ed3e55d6bd974a95129070b611e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ec969a3fce6c
Signatures
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Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral1/memory/2640-74-0x0000000002630000-0x00000000026D2000-memory.dmp family_socks5systemz behavioral1/memory/2640-77-0x0000000002630000-0x00000000026D2000-memory.dmp family_socks5systemz behavioral1/memory/2640-86-0x0000000002630000-0x00000000026D2000-memory.dmp family_socks5systemz behavioral1/memory/2640-99-0x0000000002630000-0x00000000026D2000-memory.dmp family_socks5systemz behavioral1/memory/2640-100-0x0000000002630000-0x00000000026D2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1200 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp 2980 colorpicker.exe 2640 colorpicker.exe -
Loads dropped DLL 5 IoCs
pid Process 2112 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe 1200 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp 1200 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp 1200 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp 1200 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.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 15 IoCs
description pid Process procid_target PID 2112 wrote to memory of 1200 2112 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe 28 PID 2112 wrote to memory of 1200 2112 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe 28 PID 2112 wrote to memory of 1200 2112 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe 28 PID 2112 wrote to memory of 1200 2112 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe 28 PID 2112 wrote to memory of 1200 2112 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe 28 PID 2112 wrote to memory of 1200 2112 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe 28 PID 2112 wrote to memory of 1200 2112 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe 28 PID 1200 wrote to memory of 2980 1200 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp 29 PID 1200 wrote to memory of 2980 1200 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp 29 PID 1200 wrote to memory of 2980 1200 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp 29 PID 1200 wrote to memory of 2980 1200 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp 29 PID 1200 wrote to memory of 2640 1200 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp 30 PID 1200 wrote to memory of 2640 1200 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp 30 PID 1200 wrote to memory of 2640 1200 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp 30 PID 1200 wrote to memory of 2640 1200 37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe"C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2112 -
C:\Users\Admin\AppData\Local\Temp\is-22D9R.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp"C:\Users\Admin\AppData\Local\Temp\is-22D9R.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp" /SL5="$5014E,1752368,54272,C:\Users\Admin\AppData\Local\Temp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1200 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:2980
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
PID:2640
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.4MB
MD5da7c6dde477f01a31cdc1c96e297d8f4
SHA1949bf77ca560fa4a61eb59c6b991032bac86a35d
SHA25650ac1548b92c0375b551a150195308c48715a43d2e64547568d97e982dfeab98
SHA512d990b1d719af7e082c68a0228d53319f414bc00aa1ba77f2612e9534a25c16a5dc5d2c81759626420d7756cca3e37e578cee0a210b84547b72bfd91441845562
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Filesize
978KB
MD59925afd2c315de9c09e08bc4961cfdb7
SHA16cf434fc289c144c3e58e1ccb016df2837c18acf
SHA2568673b52c20bb82bca91c676a2c002b82ecfd8c6fec7d40fc6524c4136a812e57
SHA512b02d56498023e4977dacdd115e32d7550f915618f76a3fcf9d4fe1f65db4f37ac683edcd04cca8347f9d22bcf25b48224d6e8b3d49a045018e552819b7eec53f
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Filesize
2.1MB
MD5c963718dcfbf0c912a40a46bafcbe6f1
SHA18633310a8cc797a59a63d8fd54456893402296f8
SHA2569cc03473e79df79135bfad64f51cc2ab03eeba069494045a91ddf0d2745345f6
SHA512f9191caf21877ed861ad09019abf50c591ad5bcb2a478e4518e3e7aa64af73373d46c81e8829e80ac8be78be47d4ea83ff1e420e59297d1cff1718c37ca35c65
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\Users\Admin\AppData\Local\Temp\is-22D9R.tmp\37e9181fda347881a9648496c62b1a970ce2055245db4d936cc8ddf1a20eef81.tmp
Filesize677KB
MD5d394fc26de69f06950dc1c71959b0261
SHA17c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA51263ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3