Analysis
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max time kernel
154s -
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
d85357190e6be1331036f8cf9225d5c2.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
d85357190e6be1331036f8cf9225d5c2.exe
Resource
win10v2004-20240226-en
General
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Target
d85357190e6be1331036f8cf9225d5c2.exe
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Size
2.0MB
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MD5
d85357190e6be1331036f8cf9225d5c2
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SHA1
f5c994accc9fc16df9cd4f3e9e13fdea952c17be
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SHA256
d53e734f9a4bad2b0d36b7484cb445bd377192a77ddb0d753d5aa1d14e9db078
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SHA512
82dbbd85980edda224365afca6cd75a5f18c4d967a20aec7b2d180f559a90e3772a8c125cb59f03f7465bfee60b42cb93ed037a202f0e7c1bc7c68385430aa0c
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SSDEEP
49152:32VR72rAMT8ztu+OmTPjrF13w6GCDiIXSMr09sYe7D:mVR72cMT8zt8sF13wDCDiarQbc
Malware Config
Extracted
socks5systemz
http://bobvamm.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c64bdb22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9ec979e38
Signatures
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Detect Socks5Systemz Payload 2 IoCs
resource yara_rule behavioral2/memory/3340-67-0x0000000000760000-0x0000000000802000-memory.dmp family_socks5systemz behavioral2/memory/3340-78-0x0000000000760000-0x0000000000802000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 548 d85357190e6be1331036f8cf9225d5c2.tmp 2592 colorpicker.exe 3340 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 548 d85357190e6be1331036f8cf9225d5c2.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 1464 wrote to memory of 548 1464 d85357190e6be1331036f8cf9225d5c2.exe 97 PID 1464 wrote to memory of 548 1464 d85357190e6be1331036f8cf9225d5c2.exe 97 PID 1464 wrote to memory of 548 1464 d85357190e6be1331036f8cf9225d5c2.exe 97 PID 548 wrote to memory of 2592 548 d85357190e6be1331036f8cf9225d5c2.tmp 102 PID 548 wrote to memory of 2592 548 d85357190e6be1331036f8cf9225d5c2.tmp 102 PID 548 wrote to memory of 2592 548 d85357190e6be1331036f8cf9225d5c2.tmp 102 PID 548 wrote to memory of 3340 548 d85357190e6be1331036f8cf9225d5c2.tmp 103 PID 548 wrote to memory of 3340 548 d85357190e6be1331036f8cf9225d5c2.tmp 103 PID 548 wrote to memory of 3340 548 d85357190e6be1331036f8cf9225d5c2.tmp 103
Processes
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C:\Users\Admin\AppData\Local\Temp\d85357190e6be1331036f8cf9225d5c2.exe"C:\Users\Admin\AppData\Local\Temp\d85357190e6be1331036f8cf9225d5c2.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Users\Admin\AppData\Local\Temp\is-3OJLP.tmp\d85357190e6be1331036f8cf9225d5c2.tmp"C:\Users\Admin\AppData\Local\Temp\is-3OJLP.tmp\d85357190e6be1331036f8cf9225d5c2.tmp" /SL5="$D0052,1779906,54272,C:\Users\Admin\AppData\Local\Temp\d85357190e6be1331036f8cf9225d5c2.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:548 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:2592
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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:3340
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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=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:81⤵PID:1468
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.1MB
MD57d196988eb734b40f3cdeb7fcfca2ac7
SHA1936ec9251680709686e08afee2b21947fba3d078
SHA256d1c4a6fdab2ee9d3e29cff002c76f83ece20f08806a11d44432313ae43d061f0
SHA512c91705865a852d3e3a0a4dec16d075705b78c9e5547b9e169896400c6080d4c28b2c58183ac837ab1f858b06ecd5f68d5495a6534dd145ef3c0f15c381d1e91e
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Filesize
654KB
MD55c19aa654c7eb6615248d85fd146613f
SHA183f5ecf7acf78497d720616107d80424060cbaa2
SHA256103368c032198f3ed267ee8d3cb512fe540a20790514a3a9d2de38aedbf9f215
SHA512b62700deac947af213090e4f33ce6c13438af7105624da11972c925f8e96b9dbd463babea3c035ad8ef5097d3f1b70f8c2d89b4df22b442a8afd7e653a363d59
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Filesize
8KB
MD50fa3089df4d717485d2b8033e93e5a7f
SHA14437273ba6db118d1b3bdbe8e083403853503974
SHA256cffbaf01dd866fc8afd7a8420578fe4d4bd3995d9b39b434d225ec39ab5e2589
SHA512fe5c3f601d6195c171e3772ce59a97fc1a0c54a9729deb2926fccfb7fb53a4365c09c9e8e51fd3a608c6b4c937b5eacebb79183fad1d7075eb1224c8a2f3b85c
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Filesize
677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63