Analysis
- max time kernel
146s - 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
30/03/2024, 18:05
Static task
static1
Behavioral task
behavioral1
Sample
178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.exe
Resource
win11-20240319-en
General
- Target 178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.exe
- Size 2.1MB
- Sample240330-wplgraca35
- SHA256 178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57
- MD5 dd20c04f82f463a3ff51f76ece45c06c
- SHA1 43376994ba6e8279be31c4f79a94e66d2e53d33f
- SHA512 6a5c2b6073754cbdc539948eb46e33aae83a2f4fe917457086f5bc29da5858ae3e1cba9895b9d8ba9c6660b5906d51cd9041460ae81eb9035ab70f864af442f2
- SSDEEP 49152:32MianbLXBJRxjcAxN8bXEBVt+CMzjaAbMDZGrBQGYAY:m4LxJRxjcAx6kOYDZG1HpY
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
socks5systemz
-
http://ebonsda.ua/search/?q=67e28dd83a5da32a155afd1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c644db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe19c2ed95983c
Signatures
- Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral1/memory/1836-69-0x0000000000760000-0x0000000000802000-memory.dmp family_socks5systemz behavioral1/memory/1836-68-0x0000000000760000-0x0000000000802000-memory.dmp family_socks5systemz behavioral1/memory/1836-79-0x0000000000760000-0x0000000000802000-memory.dmp family_socks5systemz - Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
pid Process 3252 178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.tmp 4160 audioconverterlib.exe 1836 audioconverterlib.exe - Loads dropped DLL 1 IoCs
pid Process 3252 178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.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 152.89.198.214 - 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 4828 wrote to memory of 3252 4828 178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.exe 95 PID 4828 wrote to memory of 3252 4828 178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.exe 95 PID 4828 wrote to memory of 3252 4828 178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.exe 95 PID 3252 wrote to memory of 4160 3252 178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.tmp 96 PID 3252 wrote to memory of 4160 3252 178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.tmp 96 PID 3252 wrote to memory of 4160 3252 178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.tmp 96 PID 3252 wrote to memory of 1836 3252 178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.tmp 97 PID 3252 wrote to memory of 1836 3252 178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.tmp 97 PID 3252 wrote to memory of 1836 3252 178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.tmp 97
Processes
-
C:\Users\Admin\AppData\Local\Temp\178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.exe"C:\Users\Admin\AppData\Local\Temp\178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Users\Admin\AppData\Local\Temp\is-T57LV.tmp\178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.tmp"C:\Users\Admin\AppData\Local\Temp\is-T57LV.tmp\178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.tmp" /SL5="$401CC,1803558,54272,C:\Users\Admin\AppData\Local\Temp\178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3252 -
C:\Users\Admin\AppData\Local\Audio Converter Lib\audioconverterlib.exe"C:\Users\Admin\AppData\Local\Audio Converter Lib\audioconverterlib.exe" -i3⤵
- Executes dropped EXE
PID:4160
-
-
C:\Users\Admin\AppData\Local\Audio Converter Lib\audioconverterlib.exe"C:\Users\Admin\AppData\Local\Audio Converter Lib\audioconverterlib.exe" -s3⤵
- Executes dropped EXE
PID:1836
-
-
-
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=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:81⤵PID:2940
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Audio Converter Lib\audioconverterlib.exe
- Size 2.0MB
- SHA256 1802ce5bbb941b88fe34bbf8c2af4964ff86c3300cdecf55814b6d0cc60eb248
- MD5 51dc070af87615da4bab5e8a1f9b37a7
- SHA1 638ee316a86449768e1d13e93a2417d0a6cbc7a7
- SHA512 6c767135588942850dd695a61578e9a8a95feac9f23bd982474d76cda8997b83f0005f3e7a55b691c81004e5236944f9b916688d9c0dfed7275c287ae4277fe3
- SSDEEP 49152:CEf/KVrafew57xmR9HwQ+pcUgbWIWCJvwTjLd5:CCKtamw574R9QBi9WCJ4Tjf
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-1S67D.tmp\_isetup\_iscrypt.dll
- Size 2KB
- SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
- MD5 a69559718ab506675e907fe49deb71e9
- SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
- SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\is-T57LV.tmp\178bd65076e92da657f5b6ef202c8312cdfc827ae1c5d16668aa61c412d81a57.tmp
- Size 677KB
- SHA256 503695b2e2f1f4872ac77b4e4cb6827d00ee48c5253710bbd078180693d6bc06
- MD5 be54462f867b7421b978488e885755bc
- SHA1 b447fc9d6ccdbbfc009b42c881f39d1b4dfd9517
- SHA512 bbeac9371a0f09ec8f5fd6f741ff1dc8dd4b056443b4a89dbac106ebdf821fef7644bd106aa0afa895a8b922886e20ef88eb51b3a2b5435e216ab48d8e773975
- SSDEEP 12288:lhg/qrLc0yVrPg37AzHqA63JJVndjzrN6IRpOb+u1nWXExyd:A/qrQ0yVrPg37AzHqA6Zfn0b3NWXExyd
- MD5 SHA1 SHA512 SSDEEP