Analysis
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max time kernel
147s -
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, 13:36
Static task
static1
Behavioral task
behavioral1
Sample
acb4ff970a6f5a421f388d8db9ef27a5.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
acb4ff970a6f5a421f388d8db9ef27a5.exe
Resource
win10v2004-20240226-en
General
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Target
acb4ff970a6f5a421f388d8db9ef27a5.exe
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Size
2.0MB
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MD5
acb4ff970a6f5a421f388d8db9ef27a5
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SHA1
d66686a615df8a8a6f8f36400c13fdc9f55dbb0c
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SHA256
cf2c71d279310105bce28d8ca6f90a42733da306d07e2c13acaa1cc90ff8b8be
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SHA512
2ab6226fc9ce4cea1376692377483642d5a9e83f0e2becf3ca5d81116b3bb8b62263a9c38521de9b79c4921718885a09070ef6e2d21ed2f2cb253a1e1f482bca
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SSDEEP
49152:32SwGJoA887GzJVZ3qTC4SdEdosi9psTJiP9Pe7D:m9A887cJn3oCnEmsisTYc
Malware Config
Extracted
socks5systemz
http://csixogn.net/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe13c0ee959933
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/632-67-0x0000000000890000-0x0000000000932000-memory.dmp family_socks5systemz behavioral2/memory/632-69-0x0000000000890000-0x0000000000932000-memory.dmp family_socks5systemz behavioral2/memory/632-80-0x0000000000890000-0x0000000000932000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1936 acb4ff970a6f5a421f388d8db9ef27a5.tmp 4764 colorpicker.exe 632 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 1936 acb4ff970a6f5a421f388d8db9ef27a5.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 141.98.234.31 -
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 4664 wrote to memory of 1936 4664 acb4ff970a6f5a421f388d8db9ef27a5.exe 98 PID 4664 wrote to memory of 1936 4664 acb4ff970a6f5a421f388d8db9ef27a5.exe 98 PID 4664 wrote to memory of 1936 4664 acb4ff970a6f5a421f388d8db9ef27a5.exe 98 PID 1936 wrote to memory of 4764 1936 acb4ff970a6f5a421f388d8db9ef27a5.tmp 102 PID 1936 wrote to memory of 4764 1936 acb4ff970a6f5a421f388d8db9ef27a5.tmp 102 PID 1936 wrote to memory of 4764 1936 acb4ff970a6f5a421f388d8db9ef27a5.tmp 102 PID 1936 wrote to memory of 632 1936 acb4ff970a6f5a421f388d8db9ef27a5.tmp 103 PID 1936 wrote to memory of 632 1936 acb4ff970a6f5a421f388d8db9ef27a5.tmp 103 PID 1936 wrote to memory of 632 1936 acb4ff970a6f5a421f388d8db9ef27a5.tmp 103
Processes
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C:\Users\Admin\AppData\Local\Temp\acb4ff970a6f5a421f388d8db9ef27a5.exe"C:\Users\Admin\AppData\Local\Temp\acb4ff970a6f5a421f388d8db9ef27a5.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Users\Admin\AppData\Local\Temp\is-MKSML.tmp\acb4ff970a6f5a421f388d8db9ef27a5.tmp"C:\Users\Admin\AppData\Local\Temp\is-MKSML.tmp\acb4ff970a6f5a421f388d8db9ef27a5.tmp" /SL5="$90118,1756126,54272,C:\Users\Admin\AppData\Local\Temp\acb4ff970a6f5a421f388d8db9ef27a5.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:4764
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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:632
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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=1408 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:81⤵PID:3880
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.0MB
MD5c79648f3750d1cefcdb36833c743d263
SHA1894203940c5346ae015be20e017dee9b409ddaf5
SHA25689af231d1c627b6bede896ef3eb73d8bc48e4a9e37accb71b7f6723a3fe5953b
SHA512052ca6068b18f2d7fcdedcfe01021ce480987c8bf09cda91abb719c9647314c276380563ab1b3fba9cf635499e17eed26c75b7c80bdd59f2ca2c7626c3dd9cf8
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Filesize
2.0MB
MD5064436208310d92774fdc1c152b26798
SHA1d8c13aeecb696a746e71a8f093bce85fda7d196b
SHA256ed83d964b1721cf94a05734d0e6137fa04f308376147eaf15f822dbb88f8bb99
SHA5129307a4fca5a145b92e23403b0606399e4f37b3c112d80063bbe71f310b5e93399db5e36c937866ba2f9e941e3c7b9eaf54f7b3f68243546cacc1344269995e6b
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Filesize
677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63