socks5systemz | 38d9db44449426c05ea2ff011e9670a0e303acfeb5dc97c552385d352a4d96ac

General

Target

3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.exe
Size

4.9MB
MD5

a0beeee56cf28926d870b5b4c11bd74d
SHA1

97046dd1c0581f774179be4abfa5e337f848b20c
SHA256

3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339
SHA512

07e916601ac31b914cede30130500032ef380120c18a97a5f32bbd7bd40992f5c151ded1fb1bda43913248c4e4ea7eec9673c361dfd6ec972299d659b98b5a7c
SSDEEP

98304:m1Tl9IFMASPUrPJwXax8bFbmyRvpCrvEdwlXfRdAITlfhln24LOMzG9jv4kOFCe:2TcFM78qkAFbvVdqPR+ITlfrdSMa9jv0

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bbmfnuo.com

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/636-86-0x00000000009D0000-0x0000000000A72000-memory.dmp	family_socks5systemz

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

Processes:

3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmpmoonvoiceassist32_64.exemoonvoiceassist32_64.exe

pid process

1776 3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp
4140 moonvoiceassist32_64.exe
636 moonvoiceassist32_64.exe
Loads dropped DLL 1 IoCs

Processes:

3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp

pid process

1776 3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.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 91.211.247.248
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:

3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp

pid process

1776 3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp

pid	process
1776	3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp
4140	moonvoiceassist32_64.exe
636	moonvoiceassist32_64.exe

pid	process
1776	3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp

description	ioc
Destination IP	45.155.250.90
Destination IP	91.211.247.248
Destination IP	152.89.198.214

pid	process
1776	3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.exe3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp

description	pid	process	target process
PID 1784 wrote to memory of 1776	1784	3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.exe	3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp
PID 1784 wrote to memory of 1776	1784	3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.exe	3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp
PID 1784 wrote to memory of 1776	1784	3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.exe	3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp
PID 1776 wrote to memory of 4140	1776	3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp	moonvoiceassist32_64.exe
PID 1776 wrote to memory of 4140	1776	3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp	moonvoiceassist32_64.exe
PID 1776 wrote to memory of 4140	1776	3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp	moonvoiceassist32_64.exe
PID 1776 wrote to memory of 636	1776	3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp	moonvoiceassist32_64.exe
PID 1776 wrote to memory of 636	1776	3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp	moonvoiceassist32_64.exe
PID 1776 wrote to memory of 636	1776	3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp	moonvoiceassist32_64.exe

C:\Users\Admin\AppData\Local\Temp\3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.exe
"C:\Users\Admin\AppData\Local\Temp\3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1784

C:\Users\Admin\AppData\Local\Temp\is-E5JS7.tmp\3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp
"C:\Users\Admin\AppData\Local\Temp\is-E5JS7.tmp\3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp" /SL5="$401FE,4843166,54272,C:\Users\Admin\AppData\Local\Temp\3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1776

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:4140

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:636

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3960,i,6166776566165096562,4582328833313060853,262144 --variations-seed-version --mojo-platform-channel-handle=3804 /prefetch:8
1⤵
PID:4716

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\Moon Voice Assist\moonvoiceassist32_64.exe
Filesize
3.0MB

MD5
e11a138fe16de219a9e4f8680afdc6fa

SHA1
cb47d16cc94e5ff6b0d806602774957d909a3d6c

SHA256
a10199e7f4246e38b6af6dce4fee51cb190f83130ef891c26648318f84a60963

SHA512
d92fd6a0531c8cd75dcb2d991f7b79d548f93950e6fd2b7e0fe9177094d417902ec75cf93b80a2710eeb5cc779927c8238c5f907b4bc832fd0e1717c8b9bf62a

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-E5JS7.tmp\3142d3d70a3cf61573d27d759087dfbef92a102ed37f8c6c15c348df19a55339.tmp
Filesize
680KB

MD5
895d982b558dbe81e0d8d31e818f766e

SHA1
27d9e61b8edaf48db4c519be05f0f4ea33900a7a

SHA256
3c0328c6c8c37a3e81cb28c46eeb4c98f033eaf28326903ac6e7204d23928cfb

SHA512
4ab3f51fe1f4b7ce5bd6e21518de1ebae7b631bb4a968a424efff6db1a53755853478db108547492a2784c55f1d934f776388232f556880f682e401c45b7db97

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-O0BMN.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/636-96-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/636-99-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/636-114-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/636-111-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/636-108-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/636-105-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/636-68-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/636-102-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/636-93-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/636-88-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/636-71-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/636-74-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/636-77-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/636-80-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/636-83-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/636-86-0x00000000009D0000-0x0000000000A72000-memory.dmp

Filesize
648KB

Download
memory/1776-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1776-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1784-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1784-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1784-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/4140-65-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/4140-61-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/4140-60-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download
memory/4140-59-0x0000000000400000-0x00000000006FF000-memory.dmp

Filesize
3.0MB

Download

Analysis

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