Analysis
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max time kernel
142s -
max time network
128s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
25-06-2024 14:54
Static task
static1
Behavioral task
behavioral1
Sample
d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.exe
Resource
win11-20240611-en
General
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Target
d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.exe
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Size
5.1MB
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MD5
f32b162be176d794366d31e116647028
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SHA1
1e90d18a8b6994704089a7b526644b581f6fe3e0
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SHA256
d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7
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SHA512
810504d86499f6066999355915589fc492e08f70c021f7294826584a80374739597dd6a6e39526769a32aeafd00f952438d0dd705cebf952cba88996273e8451
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SSDEEP
98304:m2vho9AZZ2bodhRLt3GEiOMATerjPefQISK8sO9rCq7vrh7AyoHJbn0SL+b:xZo90phLXiOMATsyfuCq7RAFpZy
Malware Config
Extracted
socks5systemz
cccofms.net
http://cccofms.net/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f171ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff612c2e896993b
http://cccofms.net/search/?q=67e28dd83f5ff27c445aaa4e7c27d78406abdd88be4b12eab517aa5c96bd86eb968e4c865a8bbc896c58e713bc90c91b36b5281fc235a925ed3e52d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9c9939ca6c9516
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral2/memory/2224-89-0x0000000000AB0000-0x0000000000B52000-memory.dmp family_socks5systemz behavioral2/memory/2224-111-0x0000000000AB0000-0x0000000000B52000-memory.dmp family_socks5systemz behavioral2/memory/2224-112-0x0000000000AB0000-0x0000000000B52000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmpmp3ripfreeedition32.exemp3ripfreeedition32.exepid process 3104 d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmp 2060 mp3ripfreeedition32.exe 2224 mp3ripfreeedition32.exe -
Loads dropped DLL 1 IoCs
Processes:
d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmppid process 3104 d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
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.
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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 FindShellTrayWindow 1 IoCs
Processes:
d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmppid process 3104 d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.exed3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmpdescription pid process target process PID 912 wrote to memory of 3104 912 d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.exe d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmp PID 912 wrote to memory of 3104 912 d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.exe d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmp PID 912 wrote to memory of 3104 912 d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.exe d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmp PID 3104 wrote to memory of 2060 3104 d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmp mp3ripfreeedition32.exe PID 3104 wrote to memory of 2060 3104 d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmp mp3ripfreeedition32.exe PID 3104 wrote to memory of 2060 3104 d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmp mp3ripfreeedition32.exe PID 3104 wrote to memory of 2224 3104 d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmp mp3ripfreeedition32.exe PID 3104 wrote to memory of 2224 3104 d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmp mp3ripfreeedition32.exe PID 3104 wrote to memory of 2224 3104 d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmp mp3ripfreeedition32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.exe"C:\Users\Admin\AppData\Local\Temp\d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:912 -
C:\Users\Admin\AppData\Local\Temp\is-7SNU3.tmp\d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmp"C:\Users\Admin\AppData\Local\Temp\is-7SNU3.tmp\d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmp" /SL5="$40202,5086398,54272,C:\Users\Admin\AppData\Local\Temp\d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3104 -
C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -i3⤵
- Executes dropped EXE
PID:2060
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C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe"C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition32.exe" -s3⤵
- Executes dropped EXE
PID:2224
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.2MB
MD5f68741498f4a7510c8d294267a0a9bdf
SHA160bbc09dfcaeca444ff18e24642051964e82d438
SHA25668dd587a8d1bade6f4ec7f5ff498077e42b10c58dfed89fede785f48e76b5782
SHA512624eb41361fe72b97af94eeb0dbb7bef3702c9e487acb2ef8bfaaba26e552983e7f5fface7f5ebbddcfc1fd34fe7b3c92bdfa131f27fba769b9a552107c07d37
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C:\Users\Admin\AppData\Local\Temp\is-7SNU3.tmp\d3d8903b1ca41dfd006e59e1fe837fca814008c35d6aa0e26ef43d5c8ddd09e7.tmp
Filesize680KB
MD525b42ff1ba59b8fd3d8b4f6c84ab6079
SHA1fb98a4b754a22154b5d4a5ac26f0e4a613b8b57e
SHA256d9cb25bf245da2ba165e4cf3644fa6456c09586e0d6121e00823b53a80b45915
SHA51298d0669952b686e3a2d035046c0ab92e90864279e712596987b8e9c61ec854240154ff606381eab7ecd8c175f9b9e213581717fe1eb752dab5c1a83cdaae3922
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63