socks5systemz | 2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036

General

Target

2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.exe
Size

4.7MB
MD5

5a52904680cb4a58b3baa781eb41d4b9
SHA1

48d169420ce4b173d01d49c4d212b3a42aee6aad
SHA256

2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036
SHA512

22ec92ebeab75c04fa6ef4e3d1e6f2afc5a41074bafa997071dc0c5f835cb3f572220bb9f58a28a2af5876b6b6e5e41bbc4ff9929cb2e4d436a00e7b08bcf6e7
SSDEEP

98304:mU8sc9X/PFWJLEEQHb4La/XaCKx7P8OUwmbhSrVgZOKhgmfPJ9l3zRe:oscF9b5e5Kh6V6OUgmfPjl3z0

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bnzaqsd.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4108-85-0x0000000000800000-0x00000000008A2000-memory.dmp	family_socks5systemz

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

Processes:

2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmpmoonvoiceassist32_64.exemoonvoiceassist32_64.exe

pid process

2812 2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp
4436 moonvoiceassist32_64.exe
4108 moonvoiceassist32_64.exe
Loads dropped DLL 1 IoCs

Processes:

2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp

pid process

2812 2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.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 141.98.234.31
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:

2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp

pid process

2812 2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp

pid	process
2812	2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp
4436	moonvoiceassist32_64.exe
4108	moonvoiceassist32_64.exe

pid	process
2812	2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp

description	ioc
Destination IP	91.211.247.248
Destination IP	141.98.234.31
Destination IP	152.89.198.214

pid	process
2812	2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.exe2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp

description	pid	process	target process
PID 2656 wrote to memory of 2812	2656	2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.exe	2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp
PID 2656 wrote to memory of 2812	2656	2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.exe	2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp
PID 2656 wrote to memory of 2812	2656	2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.exe	2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp
PID 2812 wrote to memory of 4436	2812	2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp	moonvoiceassist32_64.exe
PID 2812 wrote to memory of 4436	2812	2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp	moonvoiceassist32_64.exe
PID 2812 wrote to memory of 4436	2812	2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp	moonvoiceassist32_64.exe
PID 2812 wrote to memory of 4108	2812	2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp	moonvoiceassist32_64.exe
PID 2812 wrote to memory of 4108	2812	2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp	moonvoiceassist32_64.exe
PID 2812 wrote to memory of 4108	2812	2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp	moonvoiceassist32_64.exe

C:\Users\Admin\AppData\Local\Temp\2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.exe
"C:\Users\Admin\AppData\Local\Temp\2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2656

C:\Users\Admin\AppData\Local\Temp\is-HO5NB.tmp\2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp
"C:\Users\Admin\AppData\Local\Temp\is-HO5NB.tmp\2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp" /SL5="$60162,4690885,54272,C:\Users\Admin\AppData\Local\Temp\2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2812

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -i
3⤵
- Executes dropped EXE
PID:4436

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32_64.exe" -s
3⤵
- Executes dropped EXE
PID:4108

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\Moon Voice Assist\moonvoiceassist32_64.exe
Filesize
2.8MB

MD5
76e7b63612d0c73fb38cb28113cac930

SHA1
ab380436443aed04aaf7391a32a9520ac2c3fa37

SHA256
7d9532320a818ef66c713eb450810efd361527c56471d932887a704b6e93b605

SHA512
ecc0722a00a22b70d7e92ac0c15eeb066ab7d97c99d7910481f85b2941d95bceeff4246c622621196747bf16d22d3bacb2f6effef357298336f7c466945726dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-DLA6C.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-HO5NB.tmp\2f0bcf34a2fa31ae23b5d3fde464e885ecea3221f1c0a97d156da79245313036.tmp
Filesize
680KB

MD5
895d982b558dbe81e0d8d31e818f766e

SHA1
27d9e61b8edaf48db4c519be05f0f4ea33900a7a

SHA256
3c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb

SHA512
4ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97

Download Submit
memory/2656-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2656-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2656-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2812-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2812-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4108-87-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4108-85-0x0000000000800000-0x00000000008A2000-memory.dmp

Filesize
648KB

Download
memory/4108-113-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4108-110-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4108-70-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4108-73-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4108-76-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4108-79-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4108-82-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4108-67-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4108-107-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4108-92-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4108-95-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4108-98-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4108-101-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4108-104-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4436-59-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4436-60-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/4436-63-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download

Analysis

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