Analysis
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max time kernel
149s -
max time network
151s -
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, 11:26
Static task
static1
Behavioral task
behavioral1
Sample
9e8ff48c9d1e5d038c8dfabf68eb03dd.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
9e8ff48c9d1e5d038c8dfabf68eb03dd.exe
Resource
win10v2004-20240226-en
General
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Target
9e8ff48c9d1e5d038c8dfabf68eb03dd.exe
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Size
2.1MB
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MD5
9e8ff48c9d1e5d038c8dfabf68eb03dd
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SHA1
fbd2bf503a35a325a43fe5570da654f9b080d553
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SHA256
54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4
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SHA512
11401d38d069fe211ec4e9e91c9153463d7db5a72196cb4c2f1339ae05fbf9a8be7af4f6284b839b844e11dd3c0debfeb510f160fe4572ea9bca0a85c7974b6a
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SSDEEP
49152:32m/7tt7CbxyTitGhOLx2GsE1y+f4A2xEhoOJae7D:mOvGbcTmFkEYFwac
Malware Config
Extracted
socks5systemz
http://bwmuadm.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9ec979e38
Signatures
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Detect Socks5Systemz Payload 2 IoCs
resource yara_rule behavioral2/memory/400-67-0x0000000000780000-0x0000000000822000-memory.dmp family_socks5systemz behavioral2/memory/400-78-0x0000000000780000-0x0000000000822000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 3496 9e8ff48c9d1e5d038c8dfabf68eb03dd.tmp 680 colorpicker.exe 400 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 3496 9e8ff48c9d1e5d038c8dfabf68eb03dd.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 2108 wrote to memory of 3496 2108 9e8ff48c9d1e5d038c8dfabf68eb03dd.exe 98 PID 2108 wrote to memory of 3496 2108 9e8ff48c9d1e5d038c8dfabf68eb03dd.exe 98 PID 2108 wrote to memory of 3496 2108 9e8ff48c9d1e5d038c8dfabf68eb03dd.exe 98 PID 3496 wrote to memory of 680 3496 9e8ff48c9d1e5d038c8dfabf68eb03dd.tmp 103 PID 3496 wrote to memory of 680 3496 9e8ff48c9d1e5d038c8dfabf68eb03dd.tmp 103 PID 3496 wrote to memory of 680 3496 9e8ff48c9d1e5d038c8dfabf68eb03dd.tmp 103 PID 3496 wrote to memory of 400 3496 9e8ff48c9d1e5d038c8dfabf68eb03dd.tmp 104 PID 3496 wrote to memory of 400 3496 9e8ff48c9d1e5d038c8dfabf68eb03dd.tmp 104 PID 3496 wrote to memory of 400 3496 9e8ff48c9d1e5d038c8dfabf68eb03dd.tmp 104
Processes
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C:\Users\Admin\AppData\Local\Temp\9e8ff48c9d1e5d038c8dfabf68eb03dd.exe"C:\Users\Admin\AppData\Local\Temp\9e8ff48c9d1e5d038c8dfabf68eb03dd.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Users\Admin\AppData\Local\Temp\is-20RLC.tmp\9e8ff48c9d1e5d038c8dfabf68eb03dd.tmp"C:\Users\Admin\AppData\Local\Temp\is-20RLC.tmp\9e8ff48c9d1e5d038c8dfabf68eb03dd.tmp" /SL5="$90118,1794777,54272,C:\Users\Admin\AppData\Local\Temp\9e8ff48c9d1e5d038c8dfabf68eb03dd.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3496 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:680
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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:400
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3740 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:81⤵PID:2224
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.1MB
MD52b9cd72d2188e739c982dd6eeb7d734b
SHA1fcb9b736c8987c20cac62abb17726917fe0ed224
SHA256f9eee992963a615a1bbcddfd7bb18ee977d2c207602bdb19fcc76aa52f54bdbc
SHA51232296c818ddb1daf53837f387b73e03ee2dbd878031278dab979c172ab928d86f63f04190ceaea967ffb143ffde25d9a283c1f92d6d7bb354e936c39b779d341
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Filesize
677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63