socks5systemz | 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2

General

Target

193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe
Size

4.8MB
MD5

5618252bc2559b564db89c7c50868bcf
SHA1

ff96d364bd5a98a2dc8d29fcc540956298b15a1c
SHA256

193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2
SHA512

6b181e6cafd5352d7915d1e0c0eab123423fce8132cbf2aa6f12a57bf23ec05f0d35a098ec656a590f13a7b40febe74ffb9507ff887f58930f618d319df2d46d
SSDEEP

98304:mxO1GDvbTGYhb8QSfJEly4x3AJki9zVfrqs0xIFaA8UG/mZf:mBrGYhEREly4x3CzVfrqsAD1mf

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

erlgikn.ua

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4172-86-0x00000000007D0000-0x0000000000872000-memory.dmp	family_socks5systemz

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

Processes:

193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmpm4atomp3converter.exem4atomp3converter.exe

pid process

5032 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp
4688 m4atomp3converter.exe
4172 m4atomp3converter.exe
Loads dropped DLL 1 IoCs

Processes:

193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp

pid process

5032 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp
Unexpected DNS network traffic destination 3 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
Destination IP 152.89.198.214
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.
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:

193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp

pid process

5032 193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp

pid	process
5032	193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp
4688	m4atomp3converter.exe
4172	m4atomp3converter.exe

pid	process
5032	193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp

description	ioc
Destination IP	91.211.247.248
Destination IP	152.89.198.214
Destination IP	45.155.250.90

pid	process
5032	193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp

description	pid	process	target process
PID 2312 wrote to memory of 5032	2312	193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe	193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp
PID 2312 wrote to memory of 5032	2312	193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe	193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp
PID 2312 wrote to memory of 5032	2312	193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe	193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp
PID 5032 wrote to memory of 4688	5032	193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp	m4atomp3converter.exe
PID 5032 wrote to memory of 4688	5032	193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp	m4atomp3converter.exe
PID 5032 wrote to memory of 4688	5032	193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp	m4atomp3converter.exe
PID 5032 wrote to memory of 4172	5032	193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp	m4atomp3converter.exe
PID 5032 wrote to memory of 4172	5032	193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp	m4atomp3converter.exe
PID 5032 wrote to memory of 4172	5032	193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp	m4atomp3converter.exe

C:\Users\Admin\AppData\Local\Temp\193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe
"C:\Users\Admin\AppData\Local\Temp\193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2312

C:\Users\Admin\AppData\Local\Temp\is-9QNRO.tmp\193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp
"C:\Users\Admin\AppData\Local\Temp\is-9QNRO.tmp\193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp" /SL5="$80090,4778432,54272,C:\Users\Admin\AppData\Local\Temp\193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5032

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -i
3⤵
- Executes dropped EXE
PID:4688

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -s
3⤵
- Executes dropped EXE
PID:4172

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=4028,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4200 /prefetch:8
1⤵
PID:4936

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
Filesize
2.9MB

MD5
ad7b86704e7ac5153c03edd0c3ef1768

SHA1
4841a53eea38e7426809d7840ca300a6ed43c701

SHA256
3453497f60f3b730e15d3d697dd91233042c92a8706fe7601084c09b93146c79

SHA512
f40ede904efbca61c9440de0ad80cb6b9e3b047b8caf2ad745c9762cf5c2168b78e5aeba21f8dd8e6c6fdd9ba098ed4566aa77642e09072225c0489aebb34b5f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-4JFQF.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9QNRO.tmp\193d3b57054d5a6b791995792f232133f7a9d1988834da6736c73a379f88f7b2.tmp
Filesize
680KB

MD5
283da5c763c54b41092d9fe0d244b491

SHA1
d5e6a5b76a18c5a1d68244f2c3697bd8881fcf03

SHA256
339d2ff372992255baddd6d21cc15045b42780b25d251f570480e1aacdd00ad9

SHA512
306815b5fd5c387ffd9705097271edf5851cee7c28d1bc707813ce26714e8f722b8a34f73c43903ab6e7303dafc6ab6fa48262e487d86124c037879618cbd45a

Download Submit
memory/2312-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2312-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2312-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4172-96-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4172-99-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4172-114-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4172-111-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4172-67-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4172-108-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4172-105-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4172-70-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4172-73-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4172-76-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4172-79-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4172-82-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4172-86-0x00000000007D0000-0x0000000000872000-memory.dmp

Filesize
648KB

Download
memory/4172-87-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4172-93-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4172-102-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4688-59-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4688-60-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4688-63-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4688-64-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/5032-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5032-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing