socks5systemz | 7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b

Analysis

max time kernel
149s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
03-07-2024 11:49

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General

Target

7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.exe
Size

5.2MB
MD5

5f1152855cd1e1edcfb7ef810a399d30
SHA1

77063956b8b24fc5712e24bae39a1090d8eb2389
SHA256

7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b
SHA512

0c6f6f3e5e730d59f68417d10185f23528858ccea5264805188116d42c1539c806225f9a30e6050aa2f76be4ed5c323ae69ad0a1cb1003430aad68491a8b2238
SSDEEP

98304:ChQBHtWSBrzyc3FN3fQT8HL6ErLuizq2VWscHsyQTJi1tonx07Qxb:t8Shj1N3ME/Vq2VWr7MizonxGQ5

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/4520-84-0x00000000026A0000-0x0000000002742000-memory.dmp family_socks5systemz
Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Executes dropped EXE 3 IoCs

Processes:

7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmppionaudioplayer32.exepionaudioplayer32.exe

pid process

1400 7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp
2608 pionaudioplayer32.exe
4520 pionaudioplayer32.exe
Loads dropped DLL 1 IoCs

Processes:

7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp

pid process

1400 7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.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 141.98.234.31
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:

7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp

pid process

1400 7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp

resource	yara_rule
behavioral2/memory/4520-84-0x00000000026A0000-0x0000000002742000-memory.dmp	family_socks5systemz

pid	process
1400	7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp
2608	pionaudioplayer32.exe
4520	pionaudioplayer32.exe

pid	process
1400	7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp

description	ioc
Destination IP	141.98.234.31

pid	process
1400	7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.exe7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp

description	pid	process	target process
PID 2692 wrote to memory of 1400	2692	7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.exe	7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp
PID 2692 wrote to memory of 1400	2692	7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.exe	7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp
PID 2692 wrote to memory of 1400	2692	7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.exe	7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp
PID 1400 wrote to memory of 2608	1400	7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp	pionaudioplayer32.exe
PID 1400 wrote to memory of 2608	1400	7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp	pionaudioplayer32.exe
PID 1400 wrote to memory of 2608	1400	7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp	pionaudioplayer32.exe
PID 1400 wrote to memory of 4520	1400	7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp	pionaudioplayer32.exe
PID 1400 wrote to memory of 4520	1400	7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp	pionaudioplayer32.exe
PID 1400 wrote to memory of 4520	1400	7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp	pionaudioplayer32.exe

C:\Users\Admin\AppData\Local\Temp\7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.exe
"C:\Users\Admin\AppData\Local\Temp\7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2692

C:\Users\Admin\AppData\Local\Temp\is-8B4HN.tmp\7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp
"C:\Users\Admin\AppData\Local\Temp\is-8B4HN.tmp\7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp" /SL5="$40242,5157619,54272,C:\Users\Admin\AppData\Local\Temp\7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1400

C:\Users\Admin\AppData\Local\Pion Audio Player\pionaudioplayer32.exe
"C:\Users\Admin\AppData\Local\Pion Audio Player\pionaudioplayer32.exe" -i
3⤵
- Executes dropped EXE
PID:2608

C:\Users\Admin\AppData\Local\Pion Audio Player\pionaudioplayer32.exe
"C:\Users\Admin\AppData\Local\Pion Audio Player\pionaudioplayer32.exe" -s
3⤵
- Executes dropped EXE
PID:4520

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\Pion Audio Player\pionaudioplayer32.exe
Filesize
4.1MB

MD5
e9c0213cf926f7809a87ef6e7f285c13

SHA1
eed6e3ffc173d4c6ce24401a0626a70e4f5301dc

SHA256
3104d32b4a66ddea3f4cb0caf0f5eea3534db73a50b39df6b18d89a53a03e236

SHA512
22c908fe7ef7de6b27a8e3d4ab419155c0d7140900873cbbba122d1974a7c09614611514ca6041845b8975cbb84fe4cf398fcc029972162147d4f752b40c3980

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-8B4HN.tmp\7774328c1fee5940ae512cfae22164c84b8f564162965b04012bdb4d604cec9b.tmp
Filesize
680KB

MD5
9e04769ab1775662fb826987f3058ecd

SHA1
de95805287cab8adfad9ab3b83fa45d7cd9cce63

SHA256
a21e9ea2ad4535bedd026045544d40bd525e3bab84b8422538d3cf4d3533fabf

SHA512
b0c671f37a3353112d832855a943cc3b119cf1a70bb014d916bba80879a0268888080789ab0029f44aec7ac633d71e41c5835919d274bb4eb514a07b7161caaf

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-M2555.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1400-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1400-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2608-59-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/2608-64-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/2608-62-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/2692-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2692-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2692-68-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4520-70-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/4520-88-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/4520-73-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/4520-76-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/4520-79-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/4520-82-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/4520-84-0x00000000026A0000-0x0000000002742000-memory.dmp

Filesize
648KB

Download
memory/4520-67-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/4520-93-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/4520-96-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/4520-99-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/4520-102-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/4520-105-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/4520-108-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/4520-111-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download
memory/4520-114-0x0000000000400000-0x0000000000813000-memory.dmp

Filesize
4.1MB

Download