socks5systemz | 7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335

General

Target

7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.exe
Size

5.0MB
MD5

2dc01538975ccf81719fde06d86258de
SHA1

7221f4adc75179ba3ba649803637cc8d0b249690
SHA256

7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335
SHA512

9463403c379722094836ed1596e3efbcf0026688172ad2a2ae3aff9f4683055a934e8a93580a2c9380afd3fffe63909a5c827149d2bfbb726c92766623fc4eca
SSDEEP

98304:m54W02z7ekO/GxuMoaOLkiyPMExTIfSGB4gMyhrVdFyRQBWRtT3JTy:Y4V/Gxu5joipE9Ifljxr9ug

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bfdqcxa.com

http://bfdqcxa.com/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8dfd10c1e890

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2488-92-0x0000000002350000-0x00000000023F2000-memory.dmp	family_socks5systemz

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

Processes:

7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmpmoonvoiceassist.exemoonvoiceassist.exe

pid process

1300 7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp
2800 moonvoiceassist.exe
2488 moonvoiceassist.exe

pid	process
1300	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp
2800	moonvoiceassist.exe
2488	moonvoiceassist.exe

Loads dropped DLL 5 IoCs

Processes:

7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.exe7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp

pid	process
2364	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.exe
1300	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp
1300	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp
1300	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp
1300	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.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:

7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp

pid process

1300 7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp

description	ioc
Destination IP	152.89.198.214

pid	process
1300	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.exe7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp

description	pid	process	target process
PID 2364 wrote to memory of 1300	2364	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.exe	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp
PID 2364 wrote to memory of 1300	2364	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.exe	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp
PID 2364 wrote to memory of 1300	2364	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.exe	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp
PID 2364 wrote to memory of 1300	2364	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.exe	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp
PID 2364 wrote to memory of 1300	2364	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.exe	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp
PID 2364 wrote to memory of 1300	2364	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.exe	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp
PID 2364 wrote to memory of 1300	2364	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.exe	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp
PID 1300 wrote to memory of 2800	1300	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp	moonvoiceassist.exe
PID 1300 wrote to memory of 2800	1300	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp	moonvoiceassist.exe
PID 1300 wrote to memory of 2800	1300	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp	moonvoiceassist.exe
PID 1300 wrote to memory of 2800	1300	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp	moonvoiceassist.exe
PID 1300 wrote to memory of 2488	1300	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp	moonvoiceassist.exe
PID 1300 wrote to memory of 2488	1300	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp	moonvoiceassist.exe
PID 1300 wrote to memory of 2488	1300	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp	moonvoiceassist.exe
PID 1300 wrote to memory of 2488	1300	7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp	moonvoiceassist.exe

C:\Users\Admin\AppData\Local\Temp\7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.exe
"C:\Users\Admin\AppData\Local\Temp\7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2364

C:\Users\Admin\AppData\Local\Temp\is-TPNRO.tmp\7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp
"C:\Users\Admin\AppData\Local\Temp\is-TPNRO.tmp\7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp" /SL5="$400EE,4994102,54272,C:\Users\Admin\AppData\Local\Temp\7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1300

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe" -i
3⤵
- Executes dropped EXE
PID:2800

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist.exe" -s
3⤵
- Executes dropped EXE
PID:2488

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\Moon Voice Assist\moonvoiceassist.exe
Filesize
3.4MB

MD5
2b12c02893abd668175f3d340674e9a5

SHA1
a9a94b8587a3be8279a643f41a520a0b2289a914

SHA256
721062aa1068d77ce924448d14aeb562d23bcb57ebed8503c8d60e54f0e611b6

SHA512
e7efb94400aab57de3f8646cff1319f70a4acef3f8f8f4fc4197299d74913213f8592410f4dc7d15a4a132388d68a03bb407b0891c6976fd548346ac801eaa68

Download Submit
\Users\Admin\AppData\Local\Temp\is-N9R25.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-N9R25.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-TPNRO.tmp\7fa1705c4562b01a8779dd823fd91977e381d007aa0df1b7fe2b14a4573c7335.tmp
Filesize
680KB

MD5
bb765f2ae7f9da76f9edef8dde07f1cf

SHA1
ba5af8f092247d9a81d9d50d5390bbe5a280501a

SHA256
65b94a7e8d0e19c89c871b49457934d80365d9a9c2ff781509a1cb68421da552

SHA512
a6d7f16c4bb1e6dde9e221ae343a2e46de39b314f56bb9877574b29d14becd209f131a5b649faa97aa847c252fe379b96a71791bdd1f102e054fafb7a8e0b0aa

Download Submit
memory/1300-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1300-64-0x00000000058E0000-0x0000000005C40000-memory.dmp

Filesize
3.4MB

Download
memory/1300-79-0x00000000058E0000-0x0000000005C40000-memory.dmp

Filesize
3.4MB

Download
memory/1300-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2364-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2364-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2364-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2488-104-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-98-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-137-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-75-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-78-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-132-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-82-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-85-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-88-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-91-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-92-0x0000000002350000-0x00000000023F2000-memory.dmp

Filesize
648KB

Download
memory/2488-71-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-101-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-129-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-107-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-110-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-113-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-117-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-120-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-123-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2488-126-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2800-65-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2800-66-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download
memory/2800-69-0x0000000000400000-0x0000000000760000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads