Analysis
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max time kernel
145s -
max time network
146s -
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, 11:21
Static task
static1
Behavioral task
behavioral1
Sample
9357e67e1024655f3302a794adc9c8da.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
9357e67e1024655f3302a794adc9c8da.exe
Resource
win10v2004-20240226-en
General
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Target
9357e67e1024655f3302a794adc9c8da.exe
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Size
2.2MB
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MD5
9357e67e1024655f3302a794adc9c8da
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SHA1
ed8eb9f4da01fd739d21e8684e95bd381e103402
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SHA256
ee094b47e9e3bb7ba12d171bce953b0511b9fa3c8e5deb3d2662078bc72ad9c4
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SHA512
c55f0e44cf043351a70dd7fa2338aefbb0f66cd243f0bd959cc38e076a7c0b6593b65fbdd89d0c17be0b84d5fc4fbe07fed90c9ce1bbcb19e2509551dbcd7b2e
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SSDEEP
49152:32Q41RVpy6V66wEMgH09q+rPkhP9UsqcbKXQoWWoE587rYrNr6e7D:mQK8V6jk3Pkd9zzWZ8nYrNuc
Malware Config
Extracted
socks5systemz
http://bwdddqe.com/search/?q=67e28dd8655aa729110daa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9ed9c9932
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/2464-69-0x0000000000910000-0x00000000009B2000-memory.dmp family_socks5systemz behavioral2/memory/2464-68-0x0000000000910000-0x00000000009B2000-memory.dmp family_socks5systemz behavioral2/memory/2464-79-0x0000000000910000-0x00000000009B2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 3924 9357e67e1024655f3302a794adc9c8da.tmp 1316 colorpicker.exe 2464 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 3924 9357e67e1024655f3302a794adc9c8da.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 656 wrote to memory of 3924 656 9357e67e1024655f3302a794adc9c8da.exe 94 PID 656 wrote to memory of 3924 656 9357e67e1024655f3302a794adc9c8da.exe 94 PID 656 wrote to memory of 3924 656 9357e67e1024655f3302a794adc9c8da.exe 94 PID 3924 wrote to memory of 1316 3924 9357e67e1024655f3302a794adc9c8da.tmp 98 PID 3924 wrote to memory of 1316 3924 9357e67e1024655f3302a794adc9c8da.tmp 98 PID 3924 wrote to memory of 1316 3924 9357e67e1024655f3302a794adc9c8da.tmp 98 PID 3924 wrote to memory of 2464 3924 9357e67e1024655f3302a794adc9c8da.tmp 99 PID 3924 wrote to memory of 2464 3924 9357e67e1024655f3302a794adc9c8da.tmp 99 PID 3924 wrote to memory of 2464 3924 9357e67e1024655f3302a794adc9c8da.tmp 99
Processes
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C:\Users\Admin\AppData\Local\Temp\9357e67e1024655f3302a794adc9c8da.exe"C:\Users\Admin\AppData\Local\Temp\9357e67e1024655f3302a794adc9c8da.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:656 -
C:\Users\Admin\AppData\Local\Temp\is-U34LO.tmp\9357e67e1024655f3302a794adc9c8da.tmp"C:\Users\Admin\AppData\Local\Temp\is-U34LO.tmp\9357e67e1024655f3302a794adc9c8da.tmp" /SL5="$601C8,1972866,54272,C:\Users\Admin\AppData\Local\Temp\9357e67e1024655f3302a794adc9c8da.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3924 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:1316
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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:2464
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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=4228 --field-trial-handle=2260,i,9938964625802268469,1928462186077019554,262144 --variations-seed-version /prefetch:81⤵PID:1128
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.2MB
MD5db2e42972e6f72f623ec6cadf8180747
SHA1be60e50f957eb7d9c88f52e234671701fc8fc7a0
SHA256d029b6e530502459f455078d89c15ec6183085550d839a1b7cb4fa274bded45d
SHA512ce8f3bc9f10f588472c936d8163427bc123a15c49d95533b0707faa146cec89f5f525be8ad7cd3a6b8459c4db4561fd8273908884e1420e1ef4251eaa9ec1dd8
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Filesize
1.6MB
MD5ab05b101cf20446a4d5c37394d99e29d
SHA17c650fc052617e7544af790a65a3a2169745c9dd
SHA2566ddc5e9e7a57881e03a53b843418751d7f07695f09bcc70c09b9523a07a01522
SHA512f86da8b154df8d61f3cf3e4618eb4a5e88f646d7db3b9ff3463d3d411035282f30a9f3a8c76c8688605f04031f486f68aaafcb521050d9187de047e58fa05d35
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Filesize
320KB
MD5c11048197e42dde02bb7d10254517ebc
SHA1ecc6561b0b54b5bd2e5c7875fd7458a37865f577
SHA25650885301504f0043653a7acd2aeb6d6af4b2cb8ef957c462ff58ea95bb5d5b23
SHA5121e554c297519c34e4ed9017f77a94036a70b0274c0cb42994b91c59743717dae356ba5044211d77dbec98abf53d71884da42e1603f063c81766d90c2816db5d6
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39