Analysis
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max time kernel
145s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2024, 01:34
Static task
static1
Behavioral task
behavioral1
Sample
6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.exe
Resource
win10v2004-20240319-en
General
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Target
6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.exe
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Size
2.0MB
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MD5
3de482d7dcd58f07bb3fc5a5081a0b84
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SHA1
0765fe3c19f259e414eb31ad6b6437dfd1d6f4e0
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SHA256
6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd
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SHA512
fc0c744e93da348537af0297212ddee88b5f5c1bc6d0dfb033625b8800408b96806a4bf3361a5d6e3485619ca17d19a6556ac1e255b0cf4d3aad256b676d929f
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SSDEEP
49152:32zOOTSIsjV93c/hvYnYG+7Ptx2J3ViH8Rf/M:m9kMqT+DDOcHiM
Malware Config
Extracted
socks5systemz
http://csacpcy.net/search/?q=67e28dd86a08a32d155da44d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f471ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ef909c3b
Signatures
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Detect Socks5Systemz Payload 2 IoCs
resource yara_rule behavioral2/memory/3288-67-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz behavioral2/memory/3288-77-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1312 6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.tmp 2272 colorpicker32.exe 3288 colorpicker32.exe -
Loads dropped DLL 1 IoCs
pid Process 1312 6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.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 3236 wrote to memory of 1312 3236 6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.exe 93 PID 3236 wrote to memory of 1312 3236 6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.exe 93 PID 3236 wrote to memory of 1312 3236 6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.exe 93 PID 1312 wrote to memory of 2272 1312 6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.tmp 97 PID 1312 wrote to memory of 2272 1312 6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.tmp 97 PID 1312 wrote to memory of 2272 1312 6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.tmp 97 PID 1312 wrote to memory of 3288 1312 6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.tmp 98 PID 1312 wrote to memory of 3288 1312 6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.tmp 98 PID 1312 wrote to memory of 3288 1312 6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.tmp 98
Processes
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C:\Users\Admin\AppData\Local\Temp\6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.exe"C:\Users\Admin\AppData\Local\Temp\6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3236 -
C:\Users\Admin\AppData\Local\Temp\is-OO1ME.tmp\6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.tmp"C:\Users\Admin\AppData\Local\Temp\is-OO1ME.tmp\6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.tmp" /SL5="$601EC,1781274,54272,C:\Users\Admin\AppData\Local\Temp\6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1312 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
PID:2272
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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:3288
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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=3412 --field-trial-handle=2276,i,5672504106535478802,17394903851940863593,262144 --variations-seed-version /prefetch:81⤵PID:2448
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
896KB
MD579af2edc7eea75db289d6375a8b62803
SHA160d8c8ab0a2c0f8a9c5652807aee07509d05ea4c
SHA256e62dc8f2f795a665d5a247f20c15ff6d19637dc403dea506e54f1ad9e53522a7
SHA512a3cb2e10cc806249a83991056cad643b7bef4e110333a69e3ab1ea7b5390f751b15f0a0ce7b71ed9533f0853b9eee253abbb198ea18c815bfc6322ff12684d8b
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Filesize
2.1MB
MD50b20792abe21048cd21360dd176336b9
SHA17600286a1fb40729ec7f87161e9afc0d420d5f37
SHA256f94ff415ed24572403c145bb89c31abb74d9aef2299da29c3534ffb229a31c10
SHA51267c3817c39b73c9071b198b781f62e60758a54c6945108335db8873db621f681fbf231ec2408806cdb1e682c3024b343cea3d205e74902b17ba5e508388b72ca
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-OO1ME.tmp\6d91c3bdc4c0d1a6001d34a62ad14fc497b44189aff21f5b63b4bb3d9dc360cd.tmp
Filesize677KB
MD5bb16a1aed23a42be299fa83942dc45cc
SHA1eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba
SHA2562fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df
SHA512bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4