socks5systemz | 16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497

General

Target

16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe
Size

4.1MB
MD5

c3abab85019356678fb8146f68025690
SHA1

ae89062881c9a69d3350c8ea1feeb767d0da87e3
SHA256

16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497
SHA512

383b3aac82a6053e5e3056561cb1c7428efb620b17d6aebd5f290c576e457387daf9560c719eaa6f3a4ac1aecdeb2455af65ff320c4345266c2214c243bd5305
SSDEEP

98304:IrEJ2nTmkzOPacM7NvMkpXm2Ji7g9kvp3til4F3ouCRCi:f2T1zOCcyN0S22JiWkvxtiI3oBRp

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2744-105-0x0000000002F20000-0x0000000002FC2000-memory.dmp	family_socks5systemz

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

Processes:

16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmptckplayer3264.exe

pid process

1968 16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp
2744 tckplayer3264.exe

Loads dropped DLL 5 IoCs

Processes:

16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp

pid	process
2976	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe
1968	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp
1968	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp
1968	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp
1968	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp

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

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:

16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmptckplayer3264.exe16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tckplayer3264.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp

pid	process
1968	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp
1968	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp

pid process

1968 16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp

description	pid	process	target process
PID 2976 wrote to memory of 1968	2976	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp
PID 2976 wrote to memory of 1968	2976	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp
PID 2976 wrote to memory of 1968	2976	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp
PID 2976 wrote to memory of 1968	2976	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp
PID 2976 wrote to memory of 1968	2976	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp
PID 2976 wrote to memory of 1968	2976	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp
PID 2976 wrote to memory of 1968	2976	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp
PID 1968 wrote to memory of 2744	1968	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp	tckplayer3264.exe
PID 1968 wrote to memory of 2744	1968	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp	tckplayer3264.exe
PID 1968 wrote to memory of 2744	1968	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp	tckplayer3264.exe
PID 1968 wrote to memory of 2744	1968	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp	tckplayer3264.exe

C:\Users\Admin\AppData\Local\Temp\16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe
"C:\Users\Admin\AppData\Local\Temp\16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2976

C:\Users\Admin\AppData\Local\Temp\is-QJTTD.tmp\16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp
"C:\Users\Admin\AppData\Local\Temp\is-QJTTD.tmp\16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp" /SL5="$40016,4008245,54272,C:\Users\Admin\AppData\Local\Temp\16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1968

C:\Users\Admin\AppData\Local\TCKPlayer\tckplayer3264.exe
"C:\Users\Admin\AppData\Local\TCKPlayer\tckplayer3264.exe" -i
3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2744

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

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\TCKPlayer\tckplayer3264.exe

Filesize
2.6MB

MD5
3629b289d2e00d4ebf276ab430d5f671

SHA1
dc49c1334ce73f257cf8c9710325f1f22e0bf09f

SHA256
37dfc742b85a911a42b2c73c01ab124bd7b3347d2c2a4bd38e16592524a4ec3f

SHA512
a48070e69148c043688da94870083c30971058d96bc6a5fca440d1e6bcef77b411bed2998b8a8aee7bdf422f35e36c9630375135980b58f354c24bdd3dcc3dd8

Download Submit
\Users\Admin\AppData\Local\Temp\is-J853J.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-J853J.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-QJTTD.tmp\16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp

Filesize
689KB

MD5
b2d1fac3ac579c3b60316381ab2203b6

SHA1
f037385d419876d9788f821f1074e48df8b3b566

SHA256
83fee11b5936c6a7e3ae51bc7e11a06a604169370b0830ee89e701467a72d01c

SHA512
47ae456b0bf9bf4c6cd4f051d794fd27b351294e39e6de23a11e6c4d563137e2982d29461442273bce95dc42bde8a590f71ba7be8bfdad740fefd2d2e56baf80

Download Submit
memory/1968-86-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/1968-115-0x0000000003F40000-0x00000000041EA000-memory.dmp

Filesize
2.7MB

Download
memory/1968-8-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/1968-81-0x0000000003F40000-0x00000000041EA000-memory.dmp

Filesize
2.7MB

Download
memory/2744-89-0x0000000000400000-0x00000000006AA000-memory.dmp

Filesize
2.7MB

Download
memory/2744-104-0x0000000000400000-0x00000000006AA000-memory.dmp

Filesize
2.7MB

Download
memory/2744-82-0x0000000000400000-0x00000000006AA000-memory.dmp

Filesize
2.7MB

Download
memory/2744-124-0x0000000000400000-0x00000000006AA000-memory.dmp

Filesize
2.7MB

Download
memory/2744-121-0x0000000000400000-0x00000000006AA000-memory.dmp

Filesize
2.7MB

Download
memory/2744-92-0x0000000000400000-0x00000000006AA000-memory.dmp

Filesize
2.7MB

Download
memory/2744-95-0x0000000000400000-0x00000000006AA000-memory.dmp

Filesize
2.7MB

Download
memory/2744-98-0x0000000000400000-0x00000000006AA000-memory.dmp

Filesize
2.7MB

Download
memory/2744-101-0x0000000000400000-0x00000000006AA000-memory.dmp

Filesize
2.7MB

Download
memory/2744-83-0x0000000000400000-0x00000000006AA000-memory.dmp

Filesize
2.7MB

Download
memory/2744-105-0x0000000002F20000-0x0000000002FC2000-memory.dmp

Filesize
648KB

Download
memory/2744-111-0x0000000000400000-0x00000000006AA000-memory.dmp

Filesize
2.7MB

Download
memory/2744-114-0x0000000000400000-0x00000000006AA000-memory.dmp

Filesize
2.7MB

Download
memory/2744-118-0x0000000000400000-0x00000000006AA000-memory.dmp

Filesize
2.7MB

Download
memory/2976-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2976-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2976-87-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

pid	process
1968	16c0967b0c5ee8e3e7c393e9433f9c1692239619ab12948caba9af44180ad497N.tmp
2744	tckplayer3264.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads