Analysis
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max time kernel
141s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2024, 01:25
Static task
static1
Behavioral task
behavioral1
Sample
6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe
Resource
win10v2004-20231215-en
General
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Target
6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe
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Size
2.0MB
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MD5
295e0a6b24d257762e105940104b3474
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SHA1
f069fafdc6b2ddec149344f9a72a568ba9689373
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SHA256
6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c
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SHA512
0091be0aed7b3448b1ce0fbf4a13a2f87cd563f4a6dea2b36c497fda663ce4217a14e6022f433ce4e1916b5e9bf96a84e6e2545fa240ff8f43671b888edb54d3
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SSDEEP
49152:32yPZXKlPAQi3UdbOOjkpRs9vsIOUoGM5M:myPZXKlPldKmkvsxsIOU0M
Malware Config
Extracted
socks5systemz
http://ddhxgop.info/search/?q=67e28dd86e0bf32a420fa9187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c2e69c923d
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/2372-64-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz behavioral2/memory/2372-69-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz behavioral2/memory/2372-78-0x00000000009A0000-0x0000000000A42000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1040 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 1932 colorpicker32.exe 2372 colorpicker32.exe -
Loads dropped DLL 1 IoCs
pid Process 1040 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.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 4092 wrote to memory of 1040 4092 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe 86 PID 4092 wrote to memory of 1040 4092 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe 86 PID 4092 wrote to memory of 1040 4092 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe 86 PID 1040 wrote to memory of 1932 1040 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 87 PID 1040 wrote to memory of 1932 1040 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 87 PID 1040 wrote to memory of 1932 1040 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 87 PID 1040 wrote to memory of 2372 1040 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 88 PID 1040 wrote to memory of 2372 1040 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 88 PID 1040 wrote to memory of 2372 1040 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 88
Processes
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C:\Users\Admin\AppData\Local\Temp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe"C:\Users\Admin\AppData\Local\Temp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Users\Admin\AppData\Local\Temp\is-LDQM1.tmp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp"C:\Users\Admin\AppData\Local\Temp\is-LDQM1.tmp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp" /SL5="$6020C,1728895,54272,C:\Users\Admin\AppData\Local\Temp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
PID:1932
-
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C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s3⤵
- Executes dropped EXE
PID:2372
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.0MB
MD50e81e2d8117095ac40229a099eb0e435
SHA100dc652c42ac21dd028ac637c94d4d888a425eef
SHA256f210ff1e50c2e1663bac2a858511c19c30e6b64e3161e4af6150150a50a9a584
SHA51282aed29f1a59f25916bf1fda1b51c9b700a1d65e253439d9360ffc0429b651819b39e340cb2bca17f9030435ffc6ab19fb904cb7b773324c36aa01c1aecdb321
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Filesize
1.3MB
MD50a8c4b35c04c225703d7cc94b539d821
SHA1c9a2b301b42ce2d2f69aa2a75be5fc6df0bcbf04
SHA256c897574462daaa1c42f91f17d3b72db27b04ef5915d31055bfebdc32499041a5
SHA51231df7f3e27b663c9b92ae61f4801bb835fce45c820624bf83fce709b3815d40204f7cc463873065d7ab0e2635ffc30f7424de054cc2a8fadd5c606cd314b91d3
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Filesize
1.2MB
MD531db4cad015f08a50552f23f70b273b5
SHA13617c08c3db23e8afefce93878c377843174da79
SHA2563ddef74ec4cba22c6041b8ca3410f36384ca3b4374a9e8877dfab6303fb5a8cc
SHA5126a4b167163aff0c745a1c706e7d569dfb07943fc90298cdfa0b7b5aa4d85d1409b3728fce7614d1e4be205503d9be70d3e13b868cf8f23d2fd669ad397618808
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-LDQM1.tmp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp
Filesize677KB
MD5bb16a1aed23a42be299fa83942dc45cc
SHA1eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba
SHA2562fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df
SHA512bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4