Analysis
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max time kernel
147s -
max time network
148s -
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, 11:19
Static task
static1
Behavioral task
behavioral1
Sample
dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.exe
Resource
win11-20240221-en
General
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Target
dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.exe
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Size
2.0MB
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MD5
f58cd7703329922a2ed72ad44b8edf5e
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SHA1
144f9fb2cfaa6b91dd9562a12e692d2a681e5786
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SHA256
dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585
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SHA512
4ccbf86372c1afa4ccd973dc35729fd78d195cca3b603a71688df6e104febf54f7001a8bd377cb442405ec7a6945a92a506c199adbfa3fb16625fc01b2a08155
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SSDEEP
49152:32gnMidDCERMfKj78jlLLm+qAP2X5CNyihe7D:mgnMidDCEGHlfP2X56hc
Malware Config
Extracted
socks5systemz
http://bdsidjl.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c647db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9ed9d9c3d
http://bdsidjl.com/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12eab517aa5c96bd86ee96854f855a8bbc896c58e713bc90c91936b5281fc235a925ed3e01d6bd974a95129070b614e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949b32cf679010
Signatures
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Detect Socks5Systemz Payload 4 IoCs
resource yara_rule behavioral1/memory/3448-68-0x0000000000900000-0x00000000009A2000-memory.dmp family_socks5systemz behavioral1/memory/3448-80-0x0000000000900000-0x00000000009A2000-memory.dmp family_socks5systemz behavioral1/memory/3448-92-0x0000000000900000-0x00000000009A2000-memory.dmp family_socks5systemz behavioral1/memory/3448-93-0x0000000000900000-0x00000000009A2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 864 dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.tmp 5012 colorpicker.exe 3448 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 864 dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.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 3552 wrote to memory of 864 3552 dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.exe 94 PID 3552 wrote to memory of 864 3552 dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.exe 94 PID 3552 wrote to memory of 864 3552 dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.exe 94 PID 864 wrote to memory of 5012 864 dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.tmp 97 PID 864 wrote to memory of 5012 864 dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.tmp 97 PID 864 wrote to memory of 5012 864 dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.tmp 97 PID 864 wrote to memory of 3448 864 dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.tmp 98 PID 864 wrote to memory of 3448 864 dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.tmp 98 PID 864 wrote to memory of 3448 864 dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.tmp 98
Processes
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C:\Users\Admin\AppData\Local\Temp\dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.exe"C:\Users\Admin\AppData\Local\Temp\dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3552 -
C:\Users\Admin\AppData\Local\Temp\is-HV2SQ.tmp\dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.tmp"C:\Users\Admin\AppData\Local\Temp\is-HV2SQ.tmp\dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.tmp" /SL5="$D004C,1743789,54272,C:\Users\Admin\AppData\Local\Temp\dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:864 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:5012
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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:3448
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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=1312 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:81⤵PID:664
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.0MB
MD5bd244b8c4f71095e22e91c28cf8ddf5f
SHA1408f4715a5ee3d959af04467f2e079b6cd8715e7
SHA256172a6545ebf5697a6ca7ca113a262c4b3376ea634db1658db03fd5d11c478252
SHA51203af046fee90e21eabd2b120b4072e5be863d39b3b674c0f5c7e7e9366f39ab70946eb36de62d1dd6f4256ef97f7af27c7c4cc991d52c51bec54dd4ef96eec08
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Filesize
512KB
MD50fd1276ac960750b0da3d77edd831535
SHA14619c50ef82aad3c7cb9125c4f8e03eff4f70a70
SHA256315bb48c1600b700db3b4359690f43ad673e8d4f890fbe99f746307807e7a173
SHA512bdce97e5384c99ca1284413ce5f5f8edc98828f16f3ffc222b14343766fd00a1e1337fa2b49f64063abcb716db588f7c7dd75ffdb0f95edd5528232078bbb82c
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-HV2SQ.tmp\dd2a7b01159e95ee8741fbbd0b0ee206cd8424bcef4f4e41b3c2a4c41e9a3585.tmp
Filesize677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39