Analysis
-
max time kernel
150s -
max time network
143s -
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, 11:36
Static task
static1
Behavioral task
behavioral1
Sample
ff576bc35cf98eee07585ae5b7c88efc.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ff576bc35cf98eee07585ae5b7c88efc.exe
Resource
win10v2004-20240226-en
General
-
Target
ff576bc35cf98eee07585ae5b7c88efc.exe
-
Size
2.0MB
-
MD5
ff576bc35cf98eee07585ae5b7c88efc
-
SHA1
df8c450c6966db774d06ab8d2feeb97374cda260
-
SHA256
5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3
-
SHA512
a5303ab816eb67f3d517757d07fc8cd1b8a2e6bd4869ca9744405c9ea75c95f5f058301a9ce7ebf99e407504a51d6c879b06018f44dfde24b38d3c1eed815317
-
SSDEEP
49152:32pu+svTDBZMqdkzssuHTSJf20pom5PRXLFzGHWkme7D:mpfMTDBmeUss8TS52teJXc2kmc
Malware Config
Extracted
socks5systemz
http://aqiydxn.ru/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c644db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe10c9ec9d9e39
Signatures
-
Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/3428-71-0x00000000008C0000-0x0000000000962000-memory.dmp family_socks5systemz behavioral2/memory/3428-70-0x00000000008C0000-0x0000000000962000-memory.dmp family_socks5systemz behavioral2/memory/3428-81-0x00000000008C0000-0x0000000000962000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
-
Executes dropped EXE 3 IoCs
pid Process 4452 ff576bc35cf98eee07585ae5b7c88efc.tmp 2392 colorpicker.exe 3428 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 4452 ff576bc35cf98eee07585ae5b7c88efc.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.
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3484 wrote to memory of 4452 3484 ff576bc35cf98eee07585ae5b7c88efc.exe 97 PID 3484 wrote to memory of 4452 3484 ff576bc35cf98eee07585ae5b7c88efc.exe 97 PID 3484 wrote to memory of 4452 3484 ff576bc35cf98eee07585ae5b7c88efc.exe 97 PID 4452 wrote to memory of 2392 4452 ff576bc35cf98eee07585ae5b7c88efc.tmp 99 PID 4452 wrote to memory of 2392 4452 ff576bc35cf98eee07585ae5b7c88efc.tmp 99 PID 4452 wrote to memory of 2392 4452 ff576bc35cf98eee07585ae5b7c88efc.tmp 99 PID 4452 wrote to memory of 3428 4452 ff576bc35cf98eee07585ae5b7c88efc.tmp 100 PID 4452 wrote to memory of 3428 4452 ff576bc35cf98eee07585ae5b7c88efc.tmp 100 PID 4452 wrote to memory of 3428 4452 ff576bc35cf98eee07585ae5b7c88efc.tmp 100
Processes
-
C:\Users\Admin\AppData\Local\Temp\ff576bc35cf98eee07585ae5b7c88efc.exe"C:\Users\Admin\AppData\Local\Temp\ff576bc35cf98eee07585ae5b7c88efc.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3484 -
C:\Users\Admin\AppData\Local\Temp\is-V6U16.tmp\ff576bc35cf98eee07585ae5b7c88efc.tmp"C:\Users\Admin\AppData\Local\Temp\is-V6U16.tmp\ff576bc35cf98eee07585ae5b7c88efc.tmp" /SL5="$90054,1756523,54272,C:\Users\Admin\AppData\Local\Temp\ff576bc35cf98eee07585ae5b7c88efc.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4452 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:2392
-
-
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
PID:3428
-
-
-
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=4144 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:81⤵PID:1188
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
2.1MB
MD577c8e87124cd5534656bf23a7bc21509
SHA11531df44ea2092e5e0f89a12a3e77a19400d9451
SHA256c12f75445e83c4dbe480cc92afc4bdd584f6489811b78f7041fb6fd06488a7aa
SHA5127389ddaa558867edf903b3e81bc432833dc055324a52f3e56638ac6fee1834b557a5e2b96266c9ed7f969dd7f51a6b6dc820b5b1f58b88a0972f7192647224e7
-
Filesize
384KB
MD59832a74d5c44f18b931359099d4870bc
SHA15487117ad4bc433226d5c2092576880381358103
SHA2568e13f1adf4df36d281b72ee4ac3eeae2ca0a641bd45a13c8370c7dd4338bcf13
SHA51284edfb77bdc85cc034468e50e8988f39e184c2df654f795048af087d5db3893953fa7381b2a1109597b56ec2a91c5aece4e848365ed53e7f82a6d4797d46f056
-
Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
Filesize
677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39