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

dtqimeq.info

Signatures

Detect Socks5Systemz Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4208-86-0x0000000000980000-0x0000000000A22000-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

4988 fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp
4036 playercloudfree32.exe
4208 playercloudfree32.exe
Loads dropped DLL 1 IoCs

Processes:

fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp

pid process

4988 fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp
Unexpected DNS network traffic destination 3 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
Destination IP 45.155.250.90
Destination IP 91.211.247.248
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

4988 fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp

pid	process
4988	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp
4036	playercloudfree32.exe
4208	playercloudfree32.exe

pid	process
4988	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp

description	ioc
Destination IP	152.89.198.214
Destination IP	45.155.250.90
Destination IP	91.211.247.248

pid	process
4988	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.exefc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp

description	pid	process	target process
PID 3152 wrote to memory of 4988	3152	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.exe	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp
PID 3152 wrote to memory of 4988	3152	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.exe	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp
PID 3152 wrote to memory of 4988	3152	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.exe	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp
PID 4988 wrote to memory of 4036	4988	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp	playercloudfree32.exe
PID 4988 wrote to memory of 4036	4988	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp	playercloudfree32.exe
PID 4988 wrote to memory of 4036	4988	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp	playercloudfree32.exe
PID 4988 wrote to memory of 4208	4988	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp	playercloudfree32.exe
PID 4988 wrote to memory of 4208	4988	fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp	playercloudfree32.exe
PID 4988 wrote to memory of 4208	4988	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:3152

C:\Users\Admin\AppData\Local\Temp\is-2NPIO.tmp\fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp
"C:\Users\Admin\AppData\Local\Temp\is-2NPIO.tmp\fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp" /SL5="$8020E,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:4988

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:4036

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:4208

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

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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-2NPIO.tmp\fc722d25aedb0efc5da7b0353665de1df8b6f44ddf01fc548058e65f2331364b.tmp
Filesize
680KB

MD5
18e1f77fda7cca9e6162bbfc406b4340

SHA1
b73e1046cb4dc7c12923d84eb311e27acfae795b

SHA256
e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

SHA512
71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-UKU1O.tmp\_isetup\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/3152-69-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3152-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3152-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4036-59-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4036-61-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4036-65-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4036-64-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4208-74-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4208-88-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4208-114-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4208-71-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4208-111-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4208-77-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4208-80-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4208-83-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4208-86-0x0000000000980000-0x0000000000A22000-memory.dmp

Filesize
648KB

Download
memory/4208-67-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4208-93-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4208-96-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4208-99-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4208-102-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4208-105-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4208-108-0x0000000000400000-0x000000000069C000-memory.dmp

Filesize
2.6MB

Download
memory/4988-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4988-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

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