socks5systemz | 0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420

General

Target

0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.exe
Size

5.1MB
MD5

45026bf79f842979e854da3a75a2ce9b
SHA1

224fe252c0f804722dd41a31150ed39051caa22b
SHA256

0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420
SHA512

98d50979e29bb6f33fdbf5d190103eac428567e49dacc57c102a177a4765dbf8b476115e3c943f688c633f68c0e197c9897f9c8f858d848e87dbff642ec61d13
SSDEEP

98304:mIlg1XicfnsRON+Lyh7TNVnzixeDXU3XXZnzK9ik8:dEwON+LWTDvE3XBuL8

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dlikbkv.info

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3868-86-0x0000000002560000-0x0000000002602000-memory.dmp	family_socks5systemz

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

Processes:

0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmpaudialstunebite32.exeaudialstunebite32.exe

pid process

3848 0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp
3912 audialstunebite32.exe
3868 audialstunebite32.exe
Loads dropped DLL 1 IoCs

Processes:

0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp

pid process

3848 0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.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 45.155.250.90
Destination IP 152.89.198.214
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:

0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp

pid process

3848 0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp

pid	process
3848	0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp
3912	audialstunebite32.exe
3868	audialstunebite32.exe

pid	process
3848	0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp

description	ioc
Destination IP	91.211.247.248
Destination IP	45.155.250.90
Destination IP	152.89.198.214

pid	process
3848	0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.exe0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp

description	pid	process	target process
PID 3148 wrote to memory of 3848	3148	0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.exe	0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp
PID 3148 wrote to memory of 3848	3148	0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.exe	0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp
PID 3148 wrote to memory of 3848	3148	0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.exe	0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp
PID 3848 wrote to memory of 3912	3848	0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp	audialstunebite32.exe
PID 3848 wrote to memory of 3912	3848	0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp	audialstunebite32.exe
PID 3848 wrote to memory of 3912	3848	0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp	audialstunebite32.exe
PID 3848 wrote to memory of 3868	3848	0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp	audialstunebite32.exe
PID 3848 wrote to memory of 3868	3848	0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp	audialstunebite32.exe
PID 3848 wrote to memory of 3868	3848	0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp	audialstunebite32.exe

C:\Users\Admin\AppData\Local\Temp\0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.exe
"C:\Users\Admin\AppData\Local\Temp\0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3148

C:\Users\Admin\AppData\Local\Temp\is-2AD83.tmp\0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp
"C:\Users\Admin\AppData\Local\Temp\is-2AD83.tmp\0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp" /SL5="$6017A,5074362,54272,C:\Users\Admin\AppData\Local\Temp\0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3848

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -i
3⤵
- Executes dropped EXE
PID:3912

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe
"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe" -s
3⤵
- Executes dropped EXE
PID:3868

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32.exe
Filesize
2.6MB

MD5
c62408aca05120eac51d53663cde55af

SHA1
ed2b48b4f9e37718ed827b02d354e494d72d2862

SHA256
cc5ae5a101ffbd4776baa0b7f651ddd3eda850f2cb186fab85330ab1bc404bc8

SHA512
e71b78f21347762f7b129816374809e49e8be7cc7275b4a68d623cefaee0cf62f5a0726d41cbb64fdbb8554dc4c852d24180b1cfe238f867f20480030b5ff973

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2AD83.tmp\0baef372e678372b73892fdd81f3eb1f96c1d8a11967ca3f84202d39bb891420.tmp
Filesize
680KB

MD5
66f4568e899ebb18b20a877f017f08fd

SHA1
887fb52becc444c529acf26e71147b840c7ff885

SHA256
8cf70a4ca81a1d9db93d89a13adf2feb2c1da109142ac356d14fa427694178e0

SHA512
2ea355abe2f31a7edb5b8cd96799a2843549ec82991fc64d9d8a13e0faec5849fce5864ef0148540f7246c646fd3c6e369d036450fe6a075afc57bb239410b66

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-D9HIS.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/3148-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3148-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3148-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3848-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3848-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3868-96-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3868-83-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3868-114-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3868-111-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3868-108-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3868-71-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3868-74-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3868-77-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3868-80-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3868-68-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3868-86-0x0000000002560000-0x0000000002602000-memory.dmp

Filesize
648KB

Download
memory/3868-88-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3868-93-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3868-105-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3868-99-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3868-102-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3912-59-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3912-61-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3912-65-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download
memory/3912-64-0x0000000000400000-0x0000000000699000-memory.dmp

Filesize
2.6MB

Download

Analysis

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