Analysis
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max time kernel
143s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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://ckdecad.net/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfd18c9e792
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/2748-74-0x00000000025E0000-0x0000000002682000-memory.dmp family_socks5systemz behavioral1/memory/2748-77-0x00000000025E0000-0x0000000002682000-memory.dmp family_socks5systemz behavioral1/memory/2748-86-0x00000000025E0000-0x0000000002682000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2200 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 2664 colorpicker32.exe 2748 colorpicker32.exe -
Loads dropped DLL 5 IoCs
pid Process 2940 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe 2200 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 2200 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 2200 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 2200 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 15 IoCs
description pid Process procid_target PID 2940 wrote to memory of 2200 2940 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe 28 PID 2940 wrote to memory of 2200 2940 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe 28 PID 2940 wrote to memory of 2200 2940 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe 28 PID 2940 wrote to memory of 2200 2940 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe 28 PID 2940 wrote to memory of 2200 2940 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe 28 PID 2940 wrote to memory of 2200 2940 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe 28 PID 2940 wrote to memory of 2200 2940 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe 28 PID 2200 wrote to memory of 2664 2200 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 29 PID 2200 wrote to memory of 2664 2200 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 29 PID 2200 wrote to memory of 2664 2200 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 29 PID 2200 wrote to memory of 2664 2200 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 29 PID 2200 wrote to memory of 2748 2200 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 30 PID 2200 wrote to memory of 2748 2200 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 30 PID 2200 wrote to memory of 2748 2200 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 30 PID 2200 wrote to memory of 2748 2200 6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe"C:\Users\Admin\AppData\Local\Temp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2940 -
C:\Users\Admin\AppData\Local\Temp\is-1G78S.tmp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp"C:\Users\Admin\AppData\Local\Temp\is-1G78S.tmp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp" /SL5="$3013A,1728895,54272,C:\Users\Admin\AppData\Local\Temp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
PID:2664
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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:2748
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.5MB
MD5c7b5e422c856c254c5c5ece224dfd218
SHA1788cb554b64c295a7ab55edba8ccb2b533705d73
SHA256b2379fc1d256ae0c3580ceffa991f70d2451ae16bd6b6e7371d7183f56e0a949
SHA51258cd7a54edfbeb6c47ddeaf5f82edce8bb6083deec919ba1af623237e2acdba65997e3cb99a9d1b3754a0ee115605fd7041069661717dd3d3c6ec3ed890bc345
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Filesize
974KB
MD52fc6356ce098ab2fdd3202c3ce36e6a8
SHA141ad89cd2b72423c9b33bfc0388a1f547ffa9faf
SHA256fdadd30e1fc065dc41bc88559dced69a4ef7a0d51c842e16579ceb787cab861f
SHA5122b297aa36748c4757e2483b4490578522d399425c1cf34b360c8eaafc0dca5d8337c2207972577aabb813de6301bc5eaf7c5b0be20e643cc54df44998a7abb11
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Filesize
2.0MB
MD50e81e2d8117095ac40229a099eb0e435
SHA100dc652c42ac21dd028ac637c94d4d888a425eef
SHA256f210ff1e50c2e1663bac2a858511c19c30e6b64e3161e4af6150150a50a9a584
SHA51282aed29f1a59f25916bf1fda1b51c9b700a1d65e253439d9360ffc0429b651819b39e340cb2bca17f9030435ffc6ab19fb904cb7b773324c36aa01c1aecdb321
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\Users\Admin\AppData\Local\Temp\is-1G78S.tmp\6b0db00703abd4a4e5d245e6c70b7678b0d9e6cd14171399b0110be37550f37c.tmp
Filesize677KB
MD5bb16a1aed23a42be299fa83942dc45cc
SHA1eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba
SHA2562fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df
SHA512bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3