socks5systemz | 66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd

General

Target

66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.exe
Size

4.5MB
MD5

154243bf5a1b7f1e59e747136827f5b8
SHA1

11a284066cdb7fef69ebe68fa4a6ebf390e1dcc4
SHA256

66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd
SHA512

f4d9e155c7aa70810fb2811b8e22ca1b3adac7717d6c27f4f0cdc1443c180e0a592174312a97170a1b65da80004fcdfb9776f9573c5cef70f2a02b4b30303a66
SSDEEP

98304:JvtVh5CXCXXBIwis3rYqf5B1ZM4pmi9ARw3ivv7:JvtVHcERgCbX124gimTvv7

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2856-85-0x0000000000A00000-0x0000000000AA2000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 3 IoCs

pid	Process
3260	66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.tmp
4200	radiobuster32.exe
2856	radiobuster32.exe

Loads dropped DLL 1 IoCs

pid	Process
3260	66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.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	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

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 3260	2292	66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.exe	80
PID 2292 wrote to memory of 3260	2292	66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.exe	80
PID 2292 wrote to memory of 3260	2292	66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.exe	80
PID 3260 wrote to memory of 4200	3260	66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.tmp	82
PID 3260 wrote to memory of 4200	3260	66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.tmp	82
PID 3260 wrote to memory of 4200	3260	66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.tmp	82
PID 3260 wrote to memory of 2856	3260	66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.tmp	83
PID 3260 wrote to memory of 2856	3260	66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.tmp	83
PID 3260 wrote to memory of 2856	3260	66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.tmp	83

C:\Users\Admin\AppData\Local\Temp\66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.exe
"C:\Users\Admin\AppData\Local\Temp\66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Users\Admin\AppData\Local\Temp\is-RK140.tmp\66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-RK140.tmp\66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.tmp" /SL5="$40200,4477615,54272,C:\Users\Admin\AppData\Local\Temp\66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3260
- - C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe
    "C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe" -i
    3⤵
    - Executes dropped EXE
    PID:4200
- - C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe
    "C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe" -s
    3⤵
    - Executes dropped EXE
    PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Radio Buster\libeay32.dll

Filesize
1.9MB

MD5
876a839023b8f962a72d295da7495734

SHA1
62a7728679bc18784b1fbf1d013f7cece18cbec9

SHA256
a757d773da406411fb977761f6e56f016d48d224aedaf3d875ed4d4a9ede6158

SHA512
e1b23a2f5ec0100ff874ca075bbd0f90e9065a90fec66861f99df603d7aaa9db8e8ec326710fdc11ad41d01befe4ea3077136127acf613614d0d12ff23bec6c1

Download Submit
C:\Users\Admin\AppData\Local\Radio Buster\radiobuster32.exe

Filesize
2.6MB

MD5
11dbb5a77cd68ac85360c6886a6f7f37

SHA1
a0e80231e5020582b0d6d57b8867a662463e4c30

SHA256
c92b4df214bab27b9c7216a599db062797e1617ae7aaa8e1d7a399783bba24db

SHA512
89d988496b8649e78ad509035dcefabc206c46f26303ef0822f63055bc81e9e9e1760ca87de45c57454a276c51cf6ee53349d44c30d1396690812d9511a1ff19

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-Q0HBK.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-RK140.tmp\66fe44b323e350d678347cc49f04b806ee3f32795e18d8b82bf5962a9bce05cd.tmp

Filesize
696KB

MD5
0fbd91399a4476ef767a6d203be9af3f

SHA1
175c645348c6a6b03cdf4e14bbb73dc522864a78

SHA256
213d474063fb52c18c5b0b40bfc1884a3fc8f6b76c71a994c3da56e1be60dbd1

SHA512
457b7c9d50a96572339061e6aa35ee7ad2663b38d423499bc606b92eb427315788ac5ae69b046beed0acdfb05bad9eff91bec0564b3ccd5245522d966aec2f91

Download Submit
memory/2292-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2292-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2292-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2856-72-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/2856-84-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/2856-68-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/2856-116-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/2856-113-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/2856-110-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/2856-71-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/2856-107-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/2856-75-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/2856-78-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/2856-81-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/2856-104-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/2856-85-0x0000000000A00000-0x0000000000AA2000-memory.dmp

Filesize
648KB

Download
memory/2856-90-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/2856-95-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/2856-98-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/2856-101-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/3260-10-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/3260-70-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/4200-64-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/4200-60-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download
memory/4200-59-0x0000000000400000-0x0000000000694000-memory.dmp

Filesize
2.6MB

Download

Analysis

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