socks5systemz | 5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d

General

Target

5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.exe
Size

4.8MB
MD5

2e5fc69b5e509351e5fab26819124385
SHA1

7ec21ee1ed9b76690a1376cead4f6277d31aa3f7
SHA256

5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d
SHA512

3dd90880283c7ffd7bb83b721f15bdd146711feab4c03acaf0678aa0d20c2efa86fb7d0bf585b1b9a1a9e217b39cc992f91562e726671c1e45eac907da447923
SSDEEP

98304:mQZcNl5ewg+OOdoMLSmhtqodzKi1hm2YdjztF7W4Ipw:PyUwXAmesEzb6pw

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

boixvls.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2564-92-0x00000000022D0000-0x0000000002372000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Detects executables packed with VMProtect. 16 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2876-66-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2876-69-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2564-75-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2564-78-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2564-82-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2564-85-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2564-88-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2564-91-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2564-98-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2564-101-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2564-104-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2564-107-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2564-110-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2564-113-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2564-116-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect
behavioral1/memory/2564-119-0x0000000000400000-0x00000000006FB000-memory.dmp	INDICATOR_EXE_Packed_VMProtect

Executes dropped EXE 3 IoCs

Processes:

5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmpfreeaudioconverter.exefreeaudioconverter.exe

pid process

1508 5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp
2876 freeaudioconverter.exe
2564 freeaudioconverter.exe

pid	process
1508	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp
2876	freeaudioconverter.exe
2564	freeaudioconverter.exe

Loads dropped DLL 5 IoCs

Processes:

5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.exe5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp

pid	process
2436	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.exe
1508	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp
1508	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp
1508	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp
1508	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.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 141.98.234.31
Destination IP 152.89.198.214
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:

5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp

pid process

1508 5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp

description	ioc
Destination IP	141.98.234.31
Destination IP	152.89.198.214
Destination IP	91.211.247.248

pid	process
1508	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.exe5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp

description	pid	process	target process
PID 2436 wrote to memory of 1508	2436	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.exe	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp
PID 2436 wrote to memory of 1508	2436	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.exe	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp
PID 2436 wrote to memory of 1508	2436	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.exe	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp
PID 2436 wrote to memory of 1508	2436	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.exe	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp
PID 2436 wrote to memory of 1508	2436	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.exe	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp
PID 2436 wrote to memory of 1508	2436	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.exe	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp
PID 2436 wrote to memory of 1508	2436	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.exe	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp
PID 1508 wrote to memory of 2876	1508	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp	freeaudioconverter.exe
PID 1508 wrote to memory of 2876	1508	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp	freeaudioconverter.exe
PID 1508 wrote to memory of 2876	1508	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp	freeaudioconverter.exe
PID 1508 wrote to memory of 2876	1508	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp	freeaudioconverter.exe
PID 1508 wrote to memory of 2564	1508	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp	freeaudioconverter.exe
PID 1508 wrote to memory of 2564	1508	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp	freeaudioconverter.exe
PID 1508 wrote to memory of 2564	1508	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp	freeaudioconverter.exe
PID 1508 wrote to memory of 2564	1508	5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp	freeaudioconverter.exe

C:\Users\Admin\AppData\Local\Temp\5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.exe
"C:\Users\Admin\AppData\Local\Temp\5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2436

C:\Users\Admin\AppData\Local\Temp\is-GOMJN.tmp\5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-GOMJN.tmp\5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp" /SL5="$40016,4751258,54272,C:\Users\Admin\AppData\Local\Temp\5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1508

C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe" -i
3⤵
- Executes dropped EXE
PID:2876

C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe" -s
3⤵
- Executes dropped EXE
PID:2564

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 Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe
Filesize
3.0MB

MD5
a46190f4a8062aa71d9fb5c7012ec4c7

SHA1
58d177a0e2d5812cac1ca26b90eb9d77cf950389

SHA256
3b19ca9395460120c189d0b6bb75624640fe006a04de010f202ca115e31da92f

SHA512
162d673190ac482bd0f6139d0b78967ab75b4ba4352cc7230c3fb8621cc87898ea450c633744b5917d80ab263900da0383bf4b019665f99204494a6a0b2f871c

Download Submit
\Users\Admin\AppData\Local\Temp\is-GOMJN.tmp\5513ae93920fa055815a4d2c8e1559cf7c88fc352dbcde084ca666285beb101d.tmp
Filesize
680KB

MD5
f519683b3c418feee49361b3411d8c3d

SHA1
f981468acbf6b3e1d081a52203f7e3f017fcafe7

SHA256
4fc60883a82f58b3a798be19bd6a25592631ac3ccb23af3b1a95c41dab65af4a

SHA512
db0e3a2363bb9433cc57d3da42bfb901f0ed128aad2297a88cca1dae650f69a438ef4f7634b945568bb99f59bc587eb698f08cf8dc8162808ac8575fa280c805

Download Submit
\Users\Admin\AppData\Local\Temp\is-I9RS4.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-I9RS4.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1508-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1508-64-0x0000000003900000-0x0000000003BFB000-memory.dmp

Filesize
3.0MB

Download
memory/1508-79-0x0000000003900000-0x0000000003BFB000-memory.dmp

Filesize
3.0MB

Download
memory/1508-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2436-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2436-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2436-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2564-75-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2564-104-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2564-119-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2564-116-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2564-78-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2564-113-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2564-82-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2564-85-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2564-88-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2564-91-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2564-92-0x00000000022D0000-0x0000000002372000-memory.dmp

Filesize
648KB

Download
memory/2564-98-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2564-101-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2564-71-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2564-107-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2564-110-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2876-65-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2876-66-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download
memory/2876-69-0x0000000000400000-0x00000000006FB000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads