socks5systemz | d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042

General

Target

d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.exe
Size

5.2MB
MD5

5d5be483cacfa90d0e01eee3a79e0793
SHA1

a1e7b96ac6746d3a0be713a724f0323bf579f3bc
SHA256

d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042
SHA512

e90694230854a8af72fa797d577a28c1b17ac11d33cdf89bd679f7e09b46a808c5ccbcd2f95aae51ef72abaf43a14b127ba4f93387daab9f8ad5446f4ceb4960
SSDEEP

98304:mvXyDHJpzLnMbEauFeQBHet+XdQUemHbvhCsVvDtwQTP2L5lyvk5PiRr8rN1VPXW:+YppzAI/wGHHFHdVBwQm5ly0qRrENDNU

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

ddvecyu.info

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3808-84-0x0000000002920000-0x00000000029C2000-memory.dmp	family_socks5systemz

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

Processes:

d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmpm4atomp3converter.exem4atomp3converter.exe

pid process

3852 d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp
4496 m4atomp3converter.exe
3808 m4atomp3converter.exe
Loads dropped DLL 1 IoCs

Processes:

d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp

pid process

3852 d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.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 45.155.250.90
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:

d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp

pid process

3852 d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp

pid	process
3852	d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp
4496	m4atomp3converter.exe
3808	m4atomp3converter.exe

pid	process
3852	d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp

description	ioc
Destination IP	45.155.250.90
Destination IP	152.89.198.214
Destination IP	91.211.247.248

pid	process
3852	d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.exed7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp

description	pid	process	target process
PID 3700 wrote to memory of 3852	3700	d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.exe	d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp
PID 3700 wrote to memory of 3852	3700	d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.exe	d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp
PID 3700 wrote to memory of 3852	3700	d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.exe	d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp
PID 3852 wrote to memory of 4496	3852	d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp	m4atomp3converter.exe
PID 3852 wrote to memory of 4496	3852	d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp	m4atomp3converter.exe
PID 3852 wrote to memory of 4496	3852	d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp	m4atomp3converter.exe
PID 3852 wrote to memory of 3808	3852	d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp	m4atomp3converter.exe
PID 3852 wrote to memory of 3808	3852	d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp	m4atomp3converter.exe
PID 3852 wrote to memory of 3808	3852	d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp	m4atomp3converter.exe

C:\Users\Admin\AppData\Local\Temp\d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.exe
"C:\Users\Admin\AppData\Local\Temp\d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3700

C:\Users\Admin\AppData\Local\Temp\is-5SJ7C.tmp\d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp
"C:\Users\Admin\AppData\Local\Temp\is-5SJ7C.tmp\d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp" /SL5="$4023A,5164447,54272,C:\Users\Admin\AppData\Local\Temp\d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3852

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:4496

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:3808

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

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Downloads

C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe
Filesize
3.3MB

MD5
a5656c185b9ec521dd710a6754af67ad

SHA1
caeb1431fffdd4870019313361fb01918f041769

SHA256
568eba1118fd19f3b07a4dce5b48a0fac8a02996676b341caeabd5ba4291f9cf

SHA512
99e898febf99ba5ae034b3f5bc4b18e68d522f67172436c08691eaa7bb66834ad97f317626f51a7398e0d0df0d4586c5f1394168b50d3315c1a7909acef0f7b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-5SJ7C.tmp\d7828adc3890d3700c8c9c26c86b86251734bb3d67a34131ea2167ac67f60042.tmp
Filesize
680KB

MD5
984e6b8a7e6fa5cbf5a45904b1defc00

SHA1
37ce92d6cf1a117a191d14cc7fa1a6a97c05c967

SHA256
3313fd9ad369bdee368d356036858a7fcc6182175a30a92a6b73e41e1b2a5eb7

SHA512
55af997bfcc532ff01e593471197555432481587c263eb3777e511c656e030edd6c34edce0778b07e117dae4b9ed18976d2ec5c2fe127511a5f29928223ab7c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-GEUQ2.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/3700-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3700-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3700-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3808-96-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/3808-99-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/3808-114-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/3808-111-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/3808-68-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/3808-108-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/3808-105-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/3808-71-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/3808-74-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/3808-77-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/3808-80-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/3808-83-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/3808-84-0x0000000002920000-0x00000000029C2000-memory.dmp

Filesize
648KB

Download
memory/3808-87-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/3808-93-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/3808-102-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/3852-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3852-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4496-60-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/4496-59-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/4496-63-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download
memory/4496-65-0x0000000000400000-0x000000000074F000-memory.dmp

Filesize
3.3MB

Download

Analysis

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