socks5systemz | 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610

Analysis

max time kernel
141s
max time network
130s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
01-07-2024 04:35

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General

Target

7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe
Size

5.0MB
MD5

12f8802d77ddee1553c1c097eb6d266b
SHA1

c48fa0413a77f532994d7106128867a962dd398b
SHA256

7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610
SHA512

bbb87008eb99ad573dcbe0d8cf988c4a04cf98ac7e5d169e2dfc800f9702f2cfe18d4b648b735e574118d7a66095aa69b8fb8450f7a1b89ef790e69fed7d0530
SSDEEP

98304:CCExNIonYBwFHWf476mnbtRKKnMhsDW3PVI6sCwZ+keFQxe:7iNYBwF2f47DtRfMaDOszZ+dQY

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2008-87-0x0000000000A80000-0x0000000000B22000-memory.dmp	family_socks5systemz
behavioral2/memory/2008-111-0x0000000000A80000-0x0000000000B22000-memory.dmp	family_socks5systemz
behavioral2/memory/2008-112-0x0000000000A80000-0x0000000000B22000-memory.dmp	family_socks5systemz

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

Processes:

7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmpmp3doctorfree.exemp3doctorfree.exe

pid process

888 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp
2756 mp3doctorfree.exe
2008 mp3doctorfree.exe
Loads dropped DLL 1 IoCs

Processes:

7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp

pid process

888 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.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 45.155.250.90
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:

7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp

pid process

888 7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp

pid	process
888	7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp
2756	mp3doctorfree.exe
2008	mp3doctorfree.exe

pid	process
888	7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
888	7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp

description	pid	process	target process
PID 3884 wrote to memory of 888	3884	7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe	7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp
PID 3884 wrote to memory of 888	3884	7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe	7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp
PID 3884 wrote to memory of 888	3884	7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe	7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp
PID 888 wrote to memory of 2756	888	7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp	mp3doctorfree.exe
PID 888 wrote to memory of 2756	888	7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp	mp3doctorfree.exe
PID 888 wrote to memory of 2756	888	7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp	mp3doctorfree.exe
PID 888 wrote to memory of 2008	888	7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp	mp3doctorfree.exe
PID 888 wrote to memory of 2008	888	7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp	mp3doctorfree.exe
PID 888 wrote to memory of 2008	888	7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp	mp3doctorfree.exe

C:\Users\Admin\AppData\Local\Temp\7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe
"C:\Users\Admin\AppData\Local\Temp\7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3884

C:\Users\Admin\AppData\Local\Temp\is-O9DAQ.tmp\7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp
"C:\Users\Admin\AppData\Local\Temp\is-O9DAQ.tmp\7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp" /SL5="$4020C,4977821,54272,C:\Users\Admin\AppData\Local\Temp\7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:888

C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe" -i
3⤵
- Executes dropped EXE
PID:2756

C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe
"C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe" -s
3⤵
- Executes dropped EXE
PID:2008

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\MP3Doctor Free 2022\mp3doctorfree.exe
Filesize
3.5MB

MD5
96e68f5fbc6d3e0d72b1239d45aa064c

SHA1
368c5e3a022ed47de3ad49963e3f20fd555e6b1a

SHA256
07f7388a4c42d6b0604f2c5381650bba385ac2d3047fe508c0c54b2c0c9ab73a

SHA512
49c59f38350d049c999d9612523eaaf6d5be807f7ee5e76c9b3369c4f983dcd7e10defabf3182e44d144b2b0559d66069200d79e599c9397e05a00a3d2ed1a88

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-349DI.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-O9DAQ.tmp\7003955ecf680f532cd7c79b5ba5137245bd3eb6885f0cf7d1f46555b31a7610.tmp
Filesize
680KB

MD5
586aa973d3d7a6fec928e1e7465faee9

SHA1
7c32a29d6a334e617b624167752b0b0fe621bed1

SHA256
e74c795df256ee54122b0566f6f18b28659ed7b3eb2d88f315b775043fc93fae

SHA512
665a76a90c3d2fdd83999a63de53f82287fa3c6e646796c59091b2ea3cdcca6a46b6e95f6d64336615888a0a02411bad8128f58cc68cff98da676330e308edb9

Download Submit
memory/888-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/888-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2008-101-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-74-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-111-0x0000000000A80000-0x0000000000B22000-memory.dmp

Filesize
648KB

Download
memory/2008-110-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-107-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-66-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-68-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-104-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-119-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-71-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-75-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-112-0x0000000000A80000-0x0000000000B22000-memory.dmp

Filesize
648KB

Download
memory/2008-78-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-81-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-84-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-87-0x0000000000A80000-0x0000000000B22000-memory.dmp

Filesize
648KB

Download
memory/2008-90-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-95-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-98-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2008-116-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2756-59-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2756-63-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2756-64-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/2756-60-0x0000000000400000-0x0000000000784000-memory.dmp

Filesize
3.5MB

Download
memory/3884-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3884-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3884-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download