socks5systemz | 5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6

General

Target

5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe
Size

5.4MB
MD5

b4372f4a7815366573f5e375c18f49cb
SHA1

bedda6600c3534e3c1ef8239bef8ca4a83998b1d
SHA256

5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6
SHA512

467e2ba255d6e8ab2b6e14fb83df8fa8330ef738573dabd1cbc0294dd0534cc6c6063333f6b37f05762758306f331e5976f90a5ef311911c3371183dd808ecba
SSDEEP

98304:Q6sPRM8WCDjO5luBJQ6j3tSio5jeLZY+jtBPtD8vKQG/khAzhffCz1GSk:yRM2Dj9BJRjEjeLYC/khAz9lx

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1496-192-0x0000000002860000-0x0000000002902000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz
Executes dropped EXE 2 IoCs

Processes:

5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmpmp4down32.exe

pid process

2172 5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp
1496 mp4down32.exe

pid	process
2172	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp
1496	mp4down32.exe

Loads dropped DLL 5 IoCs

Processes:

5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp

pid	process
2492	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe
2172	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp
2172	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp
2172	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp
2172	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.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 141.98.234.31
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

description	ioc
Destination IP	141.98.234.31

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmpmp4down32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mp4down32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp

pid process

2172 5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp

pid	process
2172	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp

description	pid	process	target process
PID 2492 wrote to memory of 2172	2492	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp
PID 2492 wrote to memory of 2172	2492	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp
PID 2492 wrote to memory of 2172	2492	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp
PID 2492 wrote to memory of 2172	2492	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp
PID 2492 wrote to memory of 2172	2492	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp
PID 2492 wrote to memory of 2172	2492	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp
PID 2492 wrote to memory of 2172	2492	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp
PID 2172 wrote to memory of 1496	2172	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp	mp4down32.exe
PID 2172 wrote to memory of 1496	2172	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp	mp4down32.exe
PID 2172 wrote to memory of 1496	2172	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp	mp4down32.exe
PID 2172 wrote to memory of 1496	2172	5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp	mp4down32.exe

C:\Users\Admin\AppData\Local\Temp\5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe
"C:\Users\Admin\AppData\Local\Temp\5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Users\Admin\AppData\Local\Temp\is-7FUKL.tmp\5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-7FUKL.tmp\5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp" /SL5="$30138,5367548,54272,C:\Users\Admin\AppData\Local\Temp\5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2172
- - C:\Users\Admin\AppData\Local\MP4SearchBar 3.31.8\mp4down32.exe
    "C:\Users\Admin\AppData\Local\MP4SearchBar 3.31.8\mp4down32.exe" -i
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\MP4SearchBar 3.31.8\mp4down32.exe

Filesize
2.4MB

MD5
292dd078454a7541ac26f91ba18139ac

SHA1
5465f83ba3a862c956c5a89993ca9d9441cac6ff

SHA256
245be9e967f0d8f2b9dec0512c0a7682a00b0d2981d3d868574efe81adb49ebe

SHA512
3e8e692d8ce6ff15a0133c26a4489b3f42e2084cbf701f347b219a45092e913323efd1192ddef8e0d1edcf7ee19558c41f6bb0298424f2dd69f78b04d6a7c5c9

Download Submit
\Users\Admin\AppData\Local\Temp\is-7FUKL.tmp\5c562fd528e47411fc3ef086c9593955a3bb85694eef2159f59af535e8ea11b6.tmp

Filesize
688KB

MD5
4fefb502086b5a455c420d7ce37a6f24

SHA1
e51d9b47bf94c1eb1a0bb49888d1f096e88a8f0c

SHA256
c7ffff367cf92e862b069b9bc6043458a3e87ad20a4ec2031f6c6b4c0becce49

SHA512
e7908451ba973e620a0b2290ca8a5b9eb1cd02d62d970c3dbf78c42649fa09cb544d12e119d47b369d087d7341c02084ebefd33fbe91683994cbf3158979d8c2

Download Submit
\Users\Admin\AppData\Local\Temp\is-V41IJ.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-V41IJ.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1496-198-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/1496-204-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/1496-220-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/1496-217-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/1496-170-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/1496-213-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/1496-210-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/1496-176-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/1496-179-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/1496-182-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/1496-185-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/1496-188-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/1496-191-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/1496-192-0x0000000002860000-0x0000000002902000-memory.dmp

Filesize
648KB

Download
memory/1496-207-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/1496-201-0x0000000000400000-0x0000000000664000-memory.dmp

Filesize
2.4MB

Download
memory/2172-8-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2172-173-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2172-166-0x0000000003AB0000-0x0000000003D14000-memory.dmp

Filesize
2.4MB

Download
memory/2492-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2492-174-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2492-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads