socks5systemz | b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f

General

Target

b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.exe
Size

4.8MB
MD5

380d33122267e606830bba85597bbb9c
SHA1

3c280b31f6be9b2a0d15f1cf0d932f314bbb724f
SHA256

b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f
SHA512

b7fa933a545da21541a38d5a14c376710cf792e222ebe4ab751d5090eb42f0ca4bf6dc90f943a67525c02d2684fdc9c8a973df46ca78204fe0d7ce47719053c1
SSDEEP

98304:m1vNssAFCK0nMd3lhQ0UOaHc27PivQ5HOwRTtLrh4D9q1SKJetbNolkcZU:jsm93lhgOekM/Bt3o99tbO/ZU

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

buzguin.com

http://buzguin.com/search/?q=67e28dd86f54a728120ffa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8dfd13c8ea95

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2604-93-0x0000000002320000-0x00000000023C2000-memory.dmp	family_socks5systemz

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

Processes:

b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmpaudioconverter32.exeaudioconverter32.exe

pid process

2420 b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp
2676 audioconverter32.exe
2604 audioconverter32.exe

pid	process
2420	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp
2676	audioconverter32.exe
2604	audioconverter32.exe

Loads dropped DLL 6 IoCs

Processes:

b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.exeb86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp

pid	process
2344	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.exe
2420	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp
2420	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp
2420	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp
2420	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp
2420	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.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 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:

b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp

pid process

2420 b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
2420	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.exeb86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp

description	pid	process	target process
PID 2344 wrote to memory of 2420	2344	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.exe	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp
PID 2344 wrote to memory of 2420	2344	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.exe	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp
PID 2344 wrote to memory of 2420	2344	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.exe	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp
PID 2344 wrote to memory of 2420	2344	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.exe	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp
PID 2344 wrote to memory of 2420	2344	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.exe	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp
PID 2344 wrote to memory of 2420	2344	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.exe	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp
PID 2344 wrote to memory of 2420	2344	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.exe	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp
PID 2420 wrote to memory of 2676	2420	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp	audioconverter32.exe
PID 2420 wrote to memory of 2676	2420	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp	audioconverter32.exe
PID 2420 wrote to memory of 2676	2420	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp	audioconverter32.exe
PID 2420 wrote to memory of 2676	2420	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp	audioconverter32.exe
PID 2420 wrote to memory of 2604	2420	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp	audioconverter32.exe
PID 2420 wrote to memory of 2604	2420	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp	audioconverter32.exe
PID 2420 wrote to memory of 2604	2420	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp	audioconverter32.exe
PID 2420 wrote to memory of 2604	2420	b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp	audioconverter32.exe

C:\Users\Admin\AppData\Local\Temp\b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.exe
"C:\Users\Admin\AppData\Local\Temp\b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2344

C:\Users\Admin\AppData\Local\Temp\is-G9SNS.tmp\b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp
"C:\Users\Admin\AppData\Local\Temp\is-G9SNS.tmp\b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp" /SL5="$4014C,4803463,54272,C:\Users\Admin\AppData\Local\Temp\b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2420

C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe" -i
3⤵
- Executes dropped EXE
PID:2676

C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe
"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe" -s
3⤵
- Executes dropped EXE
PID:2604

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

\Users\Admin\AppData\Local\Free Audio Converter\audioconverter32.exe
Filesize
2.9MB

MD5
fecefb27f2f5fffc11c380e2c13d8308

SHA1
e11cc93d7cc1a4d01d7660220a16121b4032da6c

SHA256
14370d3de60c9acbc677944195f6e9d3e3477fc5e2fb7999dcc13c3fc3eafe45

SHA512
c75f4e35040cabdade4b19410b1ff1d6da0b150a491cb5fc9564ca1c987bd9715db2d56623811558b8c29be79d2818ea817156faf1ea34b4f838017ffd62d2f2

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

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-2TACH.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-G9SNS.tmp\b86f509978dec1f400e89a63d2de8b770363b2e904316e9063b9ad46c080175f.tmp
Filesize
680KB

MD5
f2ea57162349fbb5a88b276f91880c7d

SHA1
31d0ef8f01ec1dbca631b2aee891ec46c0a2c663

SHA256
756ee2c303f097f361c1f6f16f118612acd5ceb277fd7642695b36fedf0dba68

SHA512
3dd06f405e036ade9fd52ac7ae189e8c1bafc48dc09f6f346f5b1ddb32ec43ecf527bd96d2c446d320cd22ea63d5eae430cab92533847d83a0af015224a13799

Download Submit
memory/2344-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2344-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2344-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2420-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2420-64-0x0000000003630000-0x0000000003919000-memory.dmp

Filesize
2.9MB

Download
memory/2420-79-0x0000000003630000-0x0000000003919000-memory.dmp

Filesize
2.9MB

Download
memory/2420-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2604-80-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-99-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-138-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-76-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-133-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-130-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-83-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-86-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-89-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-92-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-93-0x0000000002320000-0x00000000023C2000-memory.dmp

Filesize
648KB

Download
memory/2604-72-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-102-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-105-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-108-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-111-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-114-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-118-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-121-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-124-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2604-127-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2676-65-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2676-66-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download
memory/2676-69-0x0000000000400000-0x00000000006E9000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads