socks5systemz | 356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9

Analysis

max time kernel
142s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 18:31

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General

Target

356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.exe
Size

5.0MB
MD5

0083068eac7beb35389c99b8b78121e6
SHA1

a72d88ce238bb595fbe6a6985fcfc5bc3d55a888
SHA256

356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9
SHA512

794307fee9c5b788822e4f73d5f40f6767928c2d6ec4518a55db710ab3d7adf6b238dfa416543c85ad8eff57547f5efc585d2fa97febc548c0bb6f4d0a32868b
SSDEEP

98304:CB/9vy0JviPI42rlyGQCcxYoUyHRb8jrH2aINa6POIK+7fGxDHLQxy:a1v3viPOQbYdYWH2axyK+ixrLQE

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4708-88-0x0000000000970000-0x0000000000A12000-memory.dmp	family_socks5systemz
behavioral1/memory/4708-111-0x0000000000970000-0x0000000000A12000-memory.dmp	family_socks5systemz
behavioral1/memory/4708-112-0x0000000000970000-0x0000000000A12000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmpmp3doctorfree32_64.exemp3doctorfree32_64.exe

pid process

2828 356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp
2004 mp3doctorfree32_64.exe
4708 mp3doctorfree32_64.exe
Loads dropped DLL 1 IoCs

Processes:

356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp

pid process

2828 356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.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.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp

pid process

2828 356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp

pid	process
2828	356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp
2004	mp3doctorfree32_64.exe
4708	mp3doctorfree32_64.exe

pid	process
2828	356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
2828	356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.exe356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp

description	pid	process	target process
PID 2672 wrote to memory of 2828	2672	356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.exe	356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp
PID 2672 wrote to memory of 2828	2672	356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.exe	356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp
PID 2672 wrote to memory of 2828	2672	356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.exe	356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp
PID 2828 wrote to memory of 2004	2828	356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp	mp3doctorfree32_64.exe
PID 2828 wrote to memory of 2004	2828	356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp	mp3doctorfree32_64.exe
PID 2828 wrote to memory of 2004	2828	356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp	mp3doctorfree32_64.exe
PID 2828 wrote to memory of 4708	2828	356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp	mp3doctorfree32_64.exe
PID 2828 wrote to memory of 4708	2828	356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp	mp3doctorfree32_64.exe
PID 2828 wrote to memory of 4708	2828	356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp	mp3doctorfree32_64.exe

C:\Users\Admin\AppData\Local\Temp\356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.exe
"C:\Users\Admin\AppData\Local\Temp\356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2672

C:\Users\Admin\AppData\Local\Temp\is-18B95.tmp\356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp
"C:\Users\Admin\AppData\Local\Temp\is-18B95.tmp\356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp" /SL5="$900EC,5030672,54272,C:\Users\Admin\AppData\Local\Temp\356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2828

C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -i
3⤵
- Executes dropped EXE
PID:2004

C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe" -s
3⤵
- Executes dropped EXE
PID:4708

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 --field-trial-handle=4376,i,15142778360084620907,1763097090506261076,262144 --variations-seed-version --mojo-platform-channel-handle=4380 /prefetch:8
1⤵
PID:5108

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\MP3Doctor Free 2020\mp3doctorfree32_64.exe
Filesize
3.7MB

MD5
c655258d4b304bca8bdef5d90fb1df77

SHA1
ef7a068bdec7586ae6b2962db91e8cde5ea99d16

SHA256
12aab5bd653ad636ecd89bb7ecdd5ef5c9546f7bae4f5bd3c3bc9520735e6dc4

SHA512
a381fbeeb1fed8c52e2eae39674f6ad51376ba5caa92f9de67b03cdc366e6d974c914f3b4343bf827b84e3d9b8a45bdf7a8013f1a4c1d020ae2c609d964f9019

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-18B95.tmp\356edb427e1653a584fbf16484c522f99c43908593ee4994d5bcf67e2d3cf5d9.tmp
Filesize
680KB

MD5
6f995e2d6c8d0d1d03cb3afcd1deafaf

SHA1
0319dbd8c7b44067b82fed5272059757a526b3aa

SHA256
cc4530fee96cf6e821fa1dbed0c46ac5310c57d6336999e3f93d29f78376f9eb

SHA512
207b4d327be81e71152ce35cb272362e9862e6002a6c01e9e9df37578c3764ac1c8d19b19e8e3b751162724490f06fea10611d7becabaff3863af993a90db16d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-T17G4.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/2004-59-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/2004-64-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/2004-65-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/2004-60-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/2672-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2672-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2672-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2828-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2828-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4708-76-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-88-0x0000000000970000-0x0000000000A12000-memory.dmp

Filesize
648KB

Download
memory/4708-72-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-75-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-67-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-79-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-82-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-85-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-90-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-69-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-95-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-98-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-101-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-104-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-107-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-110-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-111-0x0000000000970000-0x0000000000A12000-memory.dmp

Filesize
648KB

Download
memory/4708-112-0x0000000000970000-0x0000000000A12000-memory.dmp

Filesize
648KB

Download
memory/4708-116-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download
memory/4708-119-0x0000000000400000-0x00000000007B8000-memory.dmp

Filesize
3.7MB

Download