socks5systemz | a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17

General

Target

a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.exe
Size

5.1MB
MD5

65b4aec861e9773d1c0421821d338efb
SHA1

0972e6094f51a2952fce913d4f6c45d0bf759a28
SHA256

a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17
SHA512

79a88923119357da99a51751cdcff1f1caab51654362ed3b72239d162e76a0a5bc57397885eb268c25ffecc9052c669610c95e0cf996b5cad6a371a9486dde37
SSDEEP

98304:miIGESvjzFDyurEVkf0ZA5RRkhu08SRP+QmX0+CDnsxXwuqziz8euY8C50XFVhVS:PRE0pD9mkMe5RWhu08uP+QmXCD4Xw7zS

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2908-92-0x0000000000900000-0x00000000009A2000-memory.dmp	family_socks5systemz
behavioral1/memory/2908-116-0x0000000000900000-0x00000000009A2000-memory.dmp	family_socks5systemz
behavioral1/memory/2908-117-0x0000000000900000-0x00000000009A2000-memory.dmp	family_socks5systemz

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

Processes:

a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmpmidiplayer32.exemidiplayer32.exe

pid process

5048 a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp
1568 midiplayer32.exe
2908 midiplayer32.exe

Loads dropped DLL 3 IoCs

Processes:

a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp

pid	process
5048	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp
5048	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp
5048	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.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 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:

a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp

pid process

5048 a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp

description	ioc
Destination IP	152.89.198.214

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.exea0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp

description	pid	process	target process
PID 232 wrote to memory of 5048	232	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.exe	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp
PID 232 wrote to memory of 5048	232	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.exe	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp
PID 232 wrote to memory of 5048	232	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.exe	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp
PID 5048 wrote to memory of 1568	5048	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp	midiplayer32.exe
PID 5048 wrote to memory of 1568	5048	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp	midiplayer32.exe
PID 5048 wrote to memory of 1568	5048	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp	midiplayer32.exe
PID 5048 wrote to memory of 2908	5048	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp	midiplayer32.exe
PID 5048 wrote to memory of 2908	5048	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp	midiplayer32.exe
PID 5048 wrote to memory of 2908	5048	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp	midiplayer32.exe

C:\Users\Admin\AppData\Local\Temp\a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.exe
"C:\Users\Admin\AppData\Local\Temp\a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:232
- C:\Users\Admin\AppData\Local\Temp\is-CEQLQ.tmp\a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-CEQLQ.tmp\a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp" /SL5="$501F0,5105631,54272,C:\Users\Admin\AppData\Local\Temp\a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:5048
- - C:\Users\Admin\AppData\Local\Sounder Midi Player\midiplayer32.exe
    "C:\Users\Admin\AppData\Local\Sounder Midi Player\midiplayer32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1568
- - C:\Users\Admin\AppData\Local\Sounder Midi Player\midiplayer32.exe
    "C:\Users\Admin\AppData\Local\Sounder Midi Player\midiplayer32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Sounder Midi Player\midiplayer32.exe

Filesize
2.4MB

MD5
6b7431c45ca3eddb56dffd9e3f47aa21

SHA1
6ff7e1e451279bf54c642807171afb28ab43de87

SHA256
b2a1cdd2882779627a915bd298a9edb513dc156abc67969e63aae17c63d9f096

SHA512
de2c86930a18d12b11cc8696e597c20a5b0080b8231e7a1984e81e953c084c594ef1777e9937d41e0a5d87b7509f46a10b1185b4816b9256d439196014534810

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2B5JB.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2B5JB.tmp\_isetup\_isdecmp.dll

Filesize
32KB

MD5
b6f11a0ab7715f570f45900a1fe84732

SHA1
77b1201e535445af5ea94c1b03c0a1c34d67a77b

SHA256
e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

SHA512
78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CEQLQ.tmp\a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp

Filesize
680KB

MD5
29ac48e0713a4220ff4b4b47efe542b4

SHA1
9ea8bdf5547a541b755f4b2c0bc14bf817885e94

SHA256
deead3dd651930ad0bec5d7bae647d7a1637b48bb7495593995218c4cd6dd67c

SHA512
501cdc7df40fb0cd1a114b4d5f5dcab765141c58f29bafa1e4a816319354a3d6d9e0d4b2ee5a2fad64f3fb08fb7bbdaad30551587a875f8fbdc2acdb8f67a3d4

Download Submit
memory/232-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/232-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/232-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1568-65-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/1568-66-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/1568-69-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-79-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-100-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-124-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-76-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-121-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-80-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-83-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-86-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-89-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-92-0x0000000000900000-0x00000000009A2000-memory.dmp

Filesize
648KB

Download
memory/2908-95-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-73-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-103-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-106-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-109-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-112-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-115-0x0000000000400000-0x0000000000671000-memory.dmp

Filesize
2.4MB

Download
memory/2908-116-0x0000000000900000-0x00000000009A2000-memory.dmp

Filesize
648KB

Download
memory/2908-117-0x0000000000900000-0x00000000009A2000-memory.dmp

Filesize
648KB

Download
memory/5048-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5048-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

pid	process
5048	a0925023369da931b631f8ab591358d7532c365c32a0cc206464725c70b99e17.tmp
1568	midiplayer32.exe
2908	midiplayer32.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads