socks5systemz | fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b

General

Target

fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.exe
Size

4.5MB
MD5

43c5cd601b047816ba60c9ce38e5819d
SHA1

a3d2afcc691989d6d05897700be921ff03d1bf7d
SHA256

fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b
SHA512

7565520ae2d1dbb4eb09dd7107730d7543f378b6a878d31783196786f9cc68699620eebf526ff8f516959d0e5702d9d73f9ba4c020a15e5c5bebce2381a50b9f
SSDEEP

98304:mV24M4+WD/fnl94ASAu2KANj1yYXyODsbgx19EIO9RVfOBeJh:mpDXD4ASAuvwEWyOvULVcG

Score

10^/10

socks5systemz botnet discovery

Malware Config

Extracted

Family

socks5systemz

C2

bfpzhby.com

http://bfpzhby.com/search/?q=67e28dd8655df07d165afd1f7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a271ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff716c5e7949233

http://bfpzhby.com/search/?q=67e28dd8655df07d165afd1f7c27d78406abdd88be4b12eab517aa5c96bd86ef92824c855a8bbc896c58e713bc90c91936b5281fc235a925ed3e01d6bd974a95129070b616e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee9d9d3ec56e9e1e

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1444-88-0x00000000009F0000-0x0000000000A92000-memory.dmp	family_socks5systemz
behavioral2/memory/1444-113-0x00000000009F0000-0x0000000000A92000-memory.dmp	family_socks5systemz
behavioral2/memory/1444-112-0x00000000009F0000-0x0000000000A92000-memory.dmp	family_socks5systemz

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

Processes:

fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmpplayercloudfree32.exeplayercloudfree32.exe

pid process

5024 fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp
1072 playercloudfree32.exe
1444 playercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp

pid process

5024 fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.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 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
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:

fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp

pid process

5024 fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp

pid	process
5024	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp
1072	playercloudfree32.exe
1444	playercloudfree32.exe

pid	process
5024	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp

description	ioc
Destination IP	45.155.250.90

pid	process
5024	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.exefc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp

description	pid	process	target process
PID 1124 wrote to memory of 5024	1124	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.exe	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp
PID 1124 wrote to memory of 5024	1124	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.exe	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp
PID 1124 wrote to memory of 5024	1124	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.exe	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp
PID 5024 wrote to memory of 1072	5024	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp	playercloudfree32.exe
PID 5024 wrote to memory of 1072	5024	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp	playercloudfree32.exe
PID 5024 wrote to memory of 1072	5024	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp	playercloudfree32.exe
PID 5024 wrote to memory of 1444	5024	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp	playercloudfree32.exe
PID 5024 wrote to memory of 1444	5024	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp	playercloudfree32.exe
PID 5024 wrote to memory of 1444	5024	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp	playercloudfree32.exe

C:\Users\Admin\AppData\Local\Temp\fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.exe
"C:\Users\Admin\AppData\Local\Temp\fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1124

C:\Users\Admin\AppData\Local\Temp\is-2M6J2.tmp\fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp
"C:\Users\Admin\AppData\Local\Temp\is-2M6J2.tmp\fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp" /SL5="$40236,4429023,54272,C:\Users\Admin\AppData\Local\Temp\fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:5024

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -i
3⤵
- Executes dropped EXE
PID:1072

C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
"C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -s
3⤵
- Executes dropped EXE
PID:1444

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\FanPlayer Cloud Free\playercloudfree32.exe
Filesize
2.6MB

MD5
31fe3a5f80a8f7ba3a0c3f42e5151f8c

SHA1
7bb9faa9b638446d15877264e0938400cd23eb9c

SHA256
a288545750bb51366040b9638d50a6e68183f354787bda18569bc850706ecd4c

SHA512
92bfcee072d9e173c487cbddbc0060bc8a668b1a605559e867397f52fd8dc6b7b323bbb146510ac294c16191d30fed76f24416fffecef0f5186968d1fedad01d

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2M6J2.tmp\fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp
Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-T6E1N.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/1072-59-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1072-61-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1072-63-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1072-65-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1124-70-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1124-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1124-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1444-76-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-108-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-68-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-120-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-72-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-75-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-117-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-79-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-82-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-85-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-88-0x00000000009F0000-0x0000000000A92000-memory.dmp

Filesize
648KB

Download
memory/1444-91-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-96-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-99-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-102-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-105-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-69-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-111-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/1444-113-0x00000000009F0000-0x0000000000A92000-memory.dmp

Filesize
648KB

Download
memory/1444-112-0x00000000009F0000-0x0000000000A92000-memory.dmp

Filesize
648KB

Download
memory/5024-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/5024-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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