Analysis
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max time kernel
141s -
max time network
127s -
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, 15:24
Static task
static1
Behavioral task
behavioral1
Sample
6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.exe
Resource
win11-20240214-en
General
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Target
6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.exe
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Size
2.0MB
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MD5
245feb1863027e245b3de9957ae20ae6
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SHA1
17ca0ff141577f13e1c5194c03f49c894037a709
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SHA256
6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5
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SHA512
0f0470294de37c2988c66b0268f85108e5c4f641d6df0beba6198e1d60401fd992929c158f20aacc515af192af1a2ca2a27cf8f4a599fd840c38010c5b19c2e9
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SSDEEP
49152:326cyROWJGguankmaHmFxdPr9Pz/I4pHCH:mFyLYAkmaGBPJzCH
Malware Config
Extracted
socks5systemz
http://bdzdhvc.com/search/?q=67e28dd86c0ea7794406f94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f671ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c0e8909e3a
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/4396-65-0x00000000008C0000-0x0000000000962000-memory.dmp family_socks5systemz behavioral1/memory/4396-69-0x00000000008C0000-0x0000000000962000-memory.dmp family_socks5systemz behavioral1/memory/4396-78-0x00000000008C0000-0x0000000000962000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 4808 6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp 4832 colorpicker.exe 4396 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 4808 6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.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 116 wrote to memory of 4808 116 6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.exe 89 PID 116 wrote to memory of 4808 116 6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.exe 89 PID 116 wrote to memory of 4808 116 6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.exe 89 PID 4808 wrote to memory of 4832 4808 6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp 92 PID 4808 wrote to memory of 4832 4808 6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp 92 PID 4808 wrote to memory of 4832 4808 6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp 92 PID 4808 wrote to memory of 4396 4808 6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp 94 PID 4808 wrote to memory of 4396 4808 6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp 94 PID 4808 wrote to memory of 4396 4808 6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp 94
Processes
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C:\Users\Admin\AppData\Local\Temp\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.exe"C:\Users\Admin\AppData\Local\Temp\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:116 -
C:\Users\Admin\AppData\Local\Temp\is-MUQI6.tmp\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp"C:\Users\Admin\AppData\Local\Temp\is-MUQI6.tmp\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp" /SL5="$5006C,1751749,54272,C:\Users\Admin\AppData\Local\Temp\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4808 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:4832
-
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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:4396
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.1MB
MD55bf4fd07283eb6ab99dadb779af6cbe3
SHA1cff589efc4d760fec33f34a020ef864769c342c4
SHA256ffc409757222843c77e68c2b1b933abfd33d21fb8b6989b8ea440170f411d7ec
SHA512c365399a280a178065fbbff01406b21489af50b51a61f1774fca5155ea013819ff601c9d2c7b4caa049c696a815b19a4bfbb3fa7bbaaf4cc052c0ee4f652534a
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Filesize
1.5MB
MD5c2220667de43725efdfae377cf2c0051
SHA10085af75640896a9da8713db2da9ca757a87dbf3
SHA256f588fd86efa2a505d910e80d9fb07546c9b2aa15f6defabad7fefb4f82e7879c
SHA51221b98e93af499ab37be820a96e79e3c6b726cf9af2832d474f309c7b190e3981c227a75fc40bdb9635bc8131a9a003f1e99fad1421a8c893a64fd4ce406026cb
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-MUQI6.tmp\6e08ed3b9a5575b1eb4501fa28a9b0fa9f022dbd459de13d6a164f67418ad0c5.tmp
Filesize677KB
MD5d394fc26de69f06950dc1c71959b0261
SHA17c9448fc3582f19763eaa8e3c5383b7873aee017
SHA256405e474735b776fc09dc71d3a5b44c50b9e2c745cdf7e79eb89dc791866ffe2a
SHA51263ef7265aac27715f5b799b588955dd5df3f49ecd0042fba69d0effe7dfe24d6777079677a809e817e4e8243a2185ca9c3a8022c9247bb2a070c213f06d7bc10