Analysis
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max time kernel
141s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
23/03/2024, 17:19
Static task
static1
Behavioral task
behavioral1
Sample
69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.exe
Resource
win11-20240221-en
General
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Target
69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.exe
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Size
2.0MB
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MD5
8d1d005a951e83b713c55d9742197814
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SHA1
9b725b293cae35da4073d0a5a4f6a2b59f0e2d6c
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SHA256
69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c
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SHA512
acf5e64caedc62fe9020cc104c0454b1933984c71b1733a2be1ff458a3eefe9cf7b4401a56cbecd45bd72544f1d1e03d3aa376b259c7bf92aede02442c0dd95c
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SSDEEP
49152:32OL6WRiIlaLhyQJTpWm/l7xGgASdt49CDQidXL11:mOL1+LhvTpWm/b86dQilLj
Malware Config
Extracted
socks5systemz
http://bmbibiz.com/search/?q=67e28dd8645af52e420aad1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a371ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe13c1eb91983e
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/1476-65-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz behavioral2/memory/1476-70-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz behavioral2/memory/1476-79-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 3224 69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.tmp 1008 colorpicker.exe 1476 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 3224 69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.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 9 IoCs
description pid Process procid_target PID 3900 wrote to memory of 3224 3900 69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.exe 78 PID 3900 wrote to memory of 3224 3900 69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.exe 78 PID 3900 wrote to memory of 3224 3900 69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.exe 78 PID 3224 wrote to memory of 1008 3224 69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.tmp 79 PID 3224 wrote to memory of 1008 3224 69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.tmp 79 PID 3224 wrote to memory of 1008 3224 69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.tmp 79 PID 3224 wrote to memory of 1476 3224 69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.tmp 80 PID 3224 wrote to memory of 1476 3224 69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.tmp 80 PID 3224 wrote to memory of 1476 3224 69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.tmp 80
Processes
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C:\Users\Admin\AppData\Local\Temp\69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.exe"C:\Users\Admin\AppData\Local\Temp\69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3900 -
C:\Users\Admin\AppData\Local\Temp\is-SEIQR.tmp\69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.tmp"C:\Users\Admin\AppData\Local\Temp\is-SEIQR.tmp\69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.tmp" /SL5="$800D6,1735427,54272,C:\Users\Admin\AppData\Local\Temp\69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3224 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:1008
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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:1476
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
960KB
MD5a8d5e1e05eaacca95e6f61f56437d31a
SHA134f2132ada2086d2bee1d33b3f99529ba1d036b9
SHA256a4ba2546f4616354dadf428ad7623ce3447c587794ab573865f9e0474712edf8
SHA5121e13c62442f33ca5895a82a204a87440b66141945298eec950e8732ae7db7000e44bf25ff83da458fbcb21ea8b547118a6a60b0547328e5f45ad0bfcc17d2751
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Filesize
2.1MB
MD5a44885994053e2bd4c5a71cfdff9c1e4
SHA16ecf41f4e26cc82b1e8ba60669f236b19d7021aa
SHA25672848f23f999566824252b8d75ec5aa70df8bfd4bdaeb5a4b80ea3dd6ad6de7d
SHA5125a733ad487a6db3e59a5fe848da9bd8a8ff2eac172dea293715b4939cf0c55a50e3beb2e3e6f9b643602ff43f1b59dbafc5cbced8a4eaf8e4c1f307ec869662f
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-SEIQR.tmp\69361a92cd9421f08dcc2ca90ebe17e4ec2a261491d0fd2d22c801a764d2b58c.tmp
Filesize677KB
MD50f880dcf813dfae46e94e0fd721c3e2a
SHA1f5faad2d2a72412682461ebfaa82e6ed2a1f5db0
SHA2564cacfd4b9ca43a9396f2c50ccfe1f01d4f8215a26258b00b6e7ea2051d1c6e75
SHA5124c826809562cb9f7c63c008c44592fb47f53f5a5ca99f15f7bbe59a9776514472da8bb469fdf933dfe52f22e52b77689d460afef1b40c779e867d7bd4f3a7f38