socks5systemz | 6fac9f2de58841c21e7edb0121a30f393d084124a066dce201a1c3500a04ce76

General

Target

d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe
Size

4.8MB
MD5

d478d46974e39725db3636a5b13fd187
SHA1

6f06919667d8d90237947017e08dc3a0573992bf
SHA256

d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2
SHA512

dd0033d89625ea93ca041c1ee5af2be3e608d9436aa9eefc3b18faa781ce494033632eb2d4efae4bf7b104a74a882daa08eb13b1b46ba87f08f5403af5862433
SSDEEP

98304:myHrESE3DEKxNsZ8pA09gDdcwLedh/yLVPRDLezS7kj:SSWg0A09sDLO/MVeS7kj

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

dlbehxl.info

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2528-92-0x00000000022A0000-0x0000000002342000-memory.dmp	family_socks5systemz

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

Processes:

d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmpmoonvoiceassist32.exemoonvoiceassist32.exe

pid process

2144 d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp
2536 moonvoiceassist32.exe
2528 moonvoiceassist32.exe

pid	process
2144	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp
2536	moonvoiceassist32.exe
2528	moonvoiceassist32.exe

Loads dropped DLL 5 IoCs

Processes:

d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exed16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp

pid	process
2416	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe
2144	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp
2144	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp
2144	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp
2144	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.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 141.98.234.31
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:

d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp

pid process

2144 d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp

description	ioc
Destination IP	141.98.234.31
Destination IP	152.89.198.214
Destination IP	91.211.247.248

pid	process
2144	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exed16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp

description	pid	process	target process
PID 2416 wrote to memory of 2144	2416	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp
PID 2416 wrote to memory of 2144	2416	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp
PID 2416 wrote to memory of 2144	2416	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp
PID 2416 wrote to memory of 2144	2416	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp
PID 2416 wrote to memory of 2144	2416	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp
PID 2416 wrote to memory of 2144	2416	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp
PID 2416 wrote to memory of 2144	2416	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp
PID 2144 wrote to memory of 2536	2144	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp	moonvoiceassist32.exe
PID 2144 wrote to memory of 2536	2144	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp	moonvoiceassist32.exe
PID 2144 wrote to memory of 2536	2144	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp	moonvoiceassist32.exe
PID 2144 wrote to memory of 2536	2144	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp	moonvoiceassist32.exe
PID 2144 wrote to memory of 2528	2144	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp	moonvoiceassist32.exe
PID 2144 wrote to memory of 2528	2144	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp	moonvoiceassist32.exe
PID 2144 wrote to memory of 2528	2144	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp	moonvoiceassist32.exe
PID 2144 wrote to memory of 2528	2144	d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp	moonvoiceassist32.exe

C:\Users\Admin\AppData\Local\Temp\d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe
"C:\Users\Admin\AppData\Local\Temp\d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2416

C:\Users\Admin\AppData\Local\Temp\is-EQER9.tmp\d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp
"C:\Users\Admin\AppData\Local\Temp\is-EQER9.tmp\d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp" /SL5="$5014E,4801216,54272,C:\Users\Admin\AppData\Local\Temp\d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2144

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe" -i
3⤵
- Executes dropped EXE
PID:2536

C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe
"C:\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe" -s
3⤵
- Executes dropped EXE
PID:2528

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Moon Voice Assist\moonvoiceassist32.exe
Filesize
3.0MB

MD5
d8c3f38ab94c0fa2163298fcb276504e

SHA1
fcd2692b272dad5e7dbc3ee4c8d1e9c8ec6f0b15

SHA256
749bb4028dbb6aabb2923fddf9c96074fb2fce6ba67fbf7e9ebffacedecd7694

SHA512
a68b4310e9bc7252bb6e9d7eb907105aeeac654dacf28a53a45c8d70c0cad8b15aa86902dbcd411ed134867511b17f4c87c620b7576969fee6d4453da7992eda

Download Submit
\Users\Admin\AppData\Local\Temp\is-EQER9.tmp\d16265882061fe6585f16a3adb40734690f19058197210ab760e084147c99cc2.tmp
Filesize
680KB

MD5
b69bf30e5f252cfcf7d82c84f8374a82

SHA1
4730c8a8a06df84e640f6ebc2aaa6f1236405f04

SHA256
d84b7d9a290803b0f334562ef81c1048c271d37fb9bc2d819fce473f26cb364b

SHA512
278be468edc57b6774c81755b8334eb9084eb683eeedc7d7537e6b6fdc2c104ba5392e98853dcd4e8ae052e7ca92a880b34b10c46096cfc2bc5034a15e46e52a

Download Submit
\Users\Admin\AppData\Local\Temp\is-MCDL6.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-MCDL6.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2144-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2144-64-0x0000000004120000-0x000000000442B000-memory.dmp

Filesize
3.0MB

Download
memory/2144-79-0x0000000004120000-0x000000000442B000-memory.dmp

Filesize
3.0MB

Download
memory/2144-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2416-73-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2416-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2416-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2528-92-0x00000000022A0000-0x0000000002342000-memory.dmp

Filesize
648KB

Download
memory/2528-104-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2528-119-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2528-75-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2528-78-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2528-116-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2528-82-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2528-85-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2528-88-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2528-91-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2528-113-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2528-98-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2528-101-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2528-71-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2528-107-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2528-110-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2536-65-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2536-66-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download
memory/2536-69-0x0000000000400000-0x000000000070B000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads