socks5systemz | a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d

Analysis

max time kernel
148s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
03-07-2024 04:11

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General

Target

a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.exe
Size

5.2MB
MD5

a39315dde7e006b1a55f3bb08df3aa00
SHA1

3530fa05cfaf3980f44c4a28e2fe0a012d992b26
SHA256

a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d
SHA512

45c679f58423ed425c89c5ebf8be1cfac9f09e40476da63dc833245e3f685fbae9de82947a3762f36016687823c8cc3e541c152b231234483183a76a5f24c907
SSDEEP

98304:CNi75YBQ9+g+C6pb7dGhey7DPG2IVDf3iZ2CSKpKMtgKVm+yevZC2StpWMQxt:G/zpbpGRhIVDviAC5pBtK+1AFpWMQf

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/2552-86-0x00000000025B0000-0x0000000002652000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmppionaudioplayer.exepionaudioplayer.exe

pid process

3524 a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp
788 pionaudioplayer.exe
2552 pionaudioplayer.exe
Loads dropped DLL 1 IoCs

Processes:

a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp

pid process

3524 a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.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 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:

a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp

pid process

3524 a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp

resource	yara_rule
behavioral2/memory/2552-86-0x00000000025B0000-0x0000000002652000-memory.dmp	family_socks5systemz

pid	process
3524	a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp
788	pionaudioplayer.exe
2552	pionaudioplayer.exe

pid	process
3524	a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp

description	ioc
Destination IP	91.211.247.248

pid	process
3524	a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.exea5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp

description	pid	process	target process
PID 1876 wrote to memory of 3524	1876	a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.exe	a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp
PID 1876 wrote to memory of 3524	1876	a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.exe	a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp
PID 1876 wrote to memory of 3524	1876	a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.exe	a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp
PID 3524 wrote to memory of 788	3524	a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp	pionaudioplayer.exe
PID 3524 wrote to memory of 788	3524	a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp	pionaudioplayer.exe
PID 3524 wrote to memory of 788	3524	a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp	pionaudioplayer.exe
PID 3524 wrote to memory of 2552	3524	a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp	pionaudioplayer.exe
PID 3524 wrote to memory of 2552	3524	a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp	pionaudioplayer.exe
PID 3524 wrote to memory of 2552	3524	a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp	pionaudioplayer.exe

C:\Users\Admin\AppData\Local\Temp\a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.exe
"C:\Users\Admin\AppData\Local\Temp\a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1876

C:\Users\Admin\AppData\Local\Temp\is-D6GTS.tmp\a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp
"C:\Users\Admin\AppData\Local\Temp\is-D6GTS.tmp\a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp" /SL5="$40230,5155836,54272,C:\Users\Admin\AppData\Local\Temp\a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3524

C:\Users\Admin\AppData\Local\Pion Audio Player\pionaudioplayer.exe
"C:\Users\Admin\AppData\Local\Pion Audio Player\pionaudioplayer.exe" -i
3⤵
- Executes dropped EXE
PID:788

C:\Users\Admin\AppData\Local\Pion Audio Player\pionaudioplayer.exe
"C:\Users\Admin\AppData\Local\Pion Audio Player\pionaudioplayer.exe" -s
3⤵
- Executes dropped EXE
PID:2552

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Pion Audio Player\pionaudioplayer.exe
Filesize
3.8MB

MD5
f4cf4f2db1573779c2386bbcc51356c9

SHA1
c47ecaafcddb211c8185ea15244e2b14f59b3acc

SHA256
efc36e553644eef0b6e88f07178491d248b029f899809c768c96791dfb7e374f

SHA512
7691e6ed55c303d6f6701171c78701656bfabd36e9ed79a8e34fcde300ce18a8f92c64010c454e739e14c1e78ced393b5c59854b0170f1463e3a715018baf8e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8MSKO.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-D6GTS.tmp\a5c02fbea33a303ec094a8f998d1b7e6e4e52f77d423aa821bebfbb85120206d.tmp
Filesize
680KB

MD5
fb7507b4d7f91b8449508c72d094ed93

SHA1
871a3c6eb0066c3ae8897cb0d17b3b07e5108e9a

SHA256
b375d74c180da10f455d8e4cd26c4b5c81dd0c898e4492ef0850d1aee13e75cd

SHA512
e57623dc4c6385e34015727a55c3f76fee9f7a93610ce0b7a5b9c7b7d7e63567492388ead90a021131c0dac3b1c689133210c2c77a66da7ae78beb6f796f5941

Download Submit
memory/788-59-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/788-63-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/788-65-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/788-60-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/1876-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1876-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1876-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2552-74-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/2552-87-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/2552-114-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/2552-71-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/2552-111-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/2552-77-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/2552-80-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/2552-83-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/2552-86-0x00000000025B0000-0x0000000002652000-memory.dmp

Filesize
648KB

Download
memory/2552-68-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/2552-93-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/2552-96-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/2552-99-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/2552-102-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/2552-105-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/2552-108-0x0000000000400000-0x00000000007D9000-memory.dmp

Filesize
3.8MB

Download
memory/3524-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3524-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download