socks5systemz | 8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8

General

Target

8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.exe
Size

5.0MB
MD5

2115b7844302181f7b848b77a3de7def
SHA1

671d9a9d4bce2c4a7b864f57bbb132e1eed7eb9f
SHA256

8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8
SHA512

17f3529dcec9122a824ee54bab0d95c5504000e22169f4c0db742646a075902f32d2629ca18968215d38f16aff5e48f1c5e74a6eada12c51142c77916a57d7ca
SSDEEP

98304:CHUiJRy/n97DW9Hb+LXGWv0kCnoOXsIUtdodgfbDCEFww7Ae+zeqgQBjnqyQxB:8U6RgS+bG3kW8IUAGfRFD7tzqx9fQH

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2704-93-0x0000000002280000-0x0000000002322000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz

Executes dropped EXE 3 IoCs

pid	Process
2400	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp
2852	soundchangerbeta32_64.exe
2704	soundchangerbeta32_64.exe

Loads dropped DLL 5 IoCs

pid	Process
1924	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.exe
2400	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp
2400	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp
2400	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp
2400	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

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

pid	Process
2400	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2400	1924	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.exe	28
PID 1924 wrote to memory of 2400	1924	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.exe	28
PID 1924 wrote to memory of 2400	1924	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.exe	28
PID 1924 wrote to memory of 2400	1924	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.exe	28
PID 1924 wrote to memory of 2400	1924	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.exe	28
PID 1924 wrote to memory of 2400	1924	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.exe	28
PID 1924 wrote to memory of 2400	1924	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.exe	28
PID 2400 wrote to memory of 2852	2400	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp	29
PID 2400 wrote to memory of 2852	2400	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp	29
PID 2400 wrote to memory of 2852	2400	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp	29
PID 2400 wrote to memory of 2852	2400	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp	29
PID 2400 wrote to memory of 2704	2400	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp	30
PID 2400 wrote to memory of 2704	2400	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp	30
PID 2400 wrote to memory of 2704	2400	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp	30
PID 2400 wrote to memory of 2704	2400	8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp	30

C:\Users\Admin\AppData\Local\Temp\8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.exe
"C:\Users\Admin\AppData\Local\Temp\8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Users\Admin\AppData\Local\Temp\is-AU195.tmp\8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-AU195.tmp\8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp" /SL5="$40016,5032637,54272,C:\Users\Admin\AppData\Local\Temp\8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Users\Admin\AppData\Local\Sound Changer Beta\soundchangerbeta32_64.exe
    "C:\Users\Admin\AppData\Local\Sound Changer Beta\soundchangerbeta32_64.exe" -i
    3⤵
    - Executes dropped EXE
    PID:2852
- - C:\Users\Admin\AppData\Local\Sound Changer Beta\soundchangerbeta32_64.exe
    "C:\Users\Admin\AppData\Local\Sound Changer Beta\soundchangerbeta32_64.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2704

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

\Users\Admin\AppData\Local\Sound Changer Beta\soundchangerbeta32_64.exe

Filesize
3.6MB

MD5
3b947ed2f5f4f0961ae908f1fc65f867

SHA1
77515a21ff0089f386865661cebbb7f4fca7ff7c

SHA256
d8afe4556eb5fb9f4e9a1271219f0e5dfd375a529b5ae800595ce5b1e0832dde

SHA512
5e9a63855d61fb6be7368c757f1b23afc262cd3108db09ac6d54c4fce7172a08663f23a7fde11db7405e0c4c7636199590e77e504affafa97eaae5e8abbf13f5

Download Submit
\Users\Admin\AppData\Local\Temp\is-29JN0.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-29JN0.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-AU195.tmp\8bb83116cc9da14c1884a63b8fabb84bf20001d7e23fca955b4c33925ddb7ad8.tmp

Filesize
680KB

MD5
54440e49cc801d210a69e09e1b0f4d50

SHA1
6677e7669e2233187d03f7a8f8ccaf7ceced0f64

SHA256
abdb37e28207f629e4c7c2d3a756db7dfec8a36c25e2ae5fadbd182b4ad076ac

SHA512
f3ce02e946f795a90cd5e473d910b1c7841a0d82da28fb54b360c137921ebf3bb0efe9e3b49ed874d99ff0698f32cb18b31b21cf1e4f46e3e708bec0c21f016e

Download Submit
memory/1924-74-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1924-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1924-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2400-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2400-64-0x0000000004290000-0x000000000462F000-memory.dmp

Filesize
3.6MB

Download
memory/2400-77-0x0000000004290000-0x000000000462F000-memory.dmp

Filesize
3.6MB

Download
memory/2400-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2704-105-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-99-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-138-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-76-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-133-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-80-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-83-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-86-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-89-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-92-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-93-0x0000000002280000-0x0000000002322000-memory.dmp

Filesize
648KB

Download
memory/2704-72-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-102-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-130-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-108-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-111-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-114-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-118-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-121-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-124-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2704-127-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2852-65-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2852-66-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download
memory/2852-70-0x0000000000400000-0x000000000079F000-memory.dmp

Filesize
3.6MB

Download

Analysis

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