socks5systemz | 4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70

General

Target

4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.exe
Size

4.1MB
MD5

9153fefde24f508172dbf9c1a4288ee2
SHA1

d60815b3bf7d1c2e04071926d8456cdf188b700e
SHA256

4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70
SHA512

8cef6aa54db70da4b2df55bee42132f3363a96fac5d318dcf6d114a1aefda7ad7993dbff4e8a2eb213fa045a01a6d7e36e26b2b5082966e7712f0998c334ac13
SSDEEP

98304:N/nKMQ3sFRAidag6T7yj4CuWVIkBp4o+0pcBD2JgtJh1:5aARtIg6T7yjpXIkBpi2i3

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3616-79-0x00000000008D0000-0x0000000000972000-memory.dmp	family_socks5systemz
behavioral2/memory/3616-111-0x00000000008D0000-0x0000000000972000-memory.dmp	family_socks5systemz
behavioral2/memory/3616-110-0x00000000008D0000-0x0000000000972000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz

Executes dropped EXE 2 IoCs

Processes:

4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp2youplayer32.exe

pid	Process
2156	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp
3616	2youplayer32.exe

Loads dropped DLL 4 IoCs

Processes:

4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp2youplayer32.exe

pid	Process
2156	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp
2156	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp
2156	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp
3616	2youplayer32.exe

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

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmpnet.exenet1.exe2youplayer32.exe4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2youplayer32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp

pid	Process
2156	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp
2156	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp

pid	Process
2156	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.exe4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmpnet.exe

description	pid	Process	procid_target
PID 1444 wrote to memory of 2156	1444	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.exe	82
PID 1444 wrote to memory of 2156	1444	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.exe	82
PID 1444 wrote to memory of 2156	1444	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.exe	82
PID 2156 wrote to memory of 3060	2156	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp	83
PID 2156 wrote to memory of 3060	2156	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp	83
PID 2156 wrote to memory of 3060	2156	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp	83
PID 2156 wrote to memory of 3616	2156	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp	85
PID 2156 wrote to memory of 3616	2156	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp	85
PID 2156 wrote to memory of 3616	2156	4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp	85
PID 3060 wrote to memory of 884	3060	net.exe	86
PID 3060 wrote to memory of 884	3060	net.exe	86
PID 3060 wrote to memory of 884	3060	net.exe	86

C:\Users\Admin\AppData\Local\Temp\4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.exe
"C:\Users\Admin\AppData\Local\Temp\4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Users\Admin\AppData\Local\Temp\is-2PL92.tmp\4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-2PL92.tmp\4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp" /SL5="$8006E,4055009,54272,C:\Users\Admin\AppData\Local\Temp\4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2156
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause 2_you_player_11253
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3060
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause 2_you_player_11253
      4⤵
      System Location Discovery: System Language Discovery
      PID:884
- - C:\Users\Admin\AppData\Local\2YouPlayer 3.3.0.3\2youplayer32.exe
    "C:\Users\Admin\AppData\Local\2YouPlayer 3.3.0.3\2youplayer32.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3616

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\2YouPlayer 3.3.0.3\2youplayer32.exe

Filesize
3.4MB

MD5
6e2de1d13f7014bfb43efc6a264b2aa4

SHA1
3fbbe85ca2c71f928a982b7f087a8294620ba43b

SHA256
537bb3bfc953010a6b76a251f544d62430fc0345c178fe373dab21fb35d46b70

SHA512
b59da4efd9bf2a3cef9b7c424b869fb611f78f97f826c2e4c939e4218747d87ce3630a1232bd81324a7d2f2c1fb898745760c7676b11a34601f2ca46b976b88c

Download Submit
C:\Users\Admin\AppData\Local\2YouPlayer 3.3.0.3\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-2PL92.tmp\4937ba4f8d0868ba80849fba1408d95fdac3636147881d7035492bf897d47e70.tmp

Filesize
687KB

MD5
2940c172d6befb53aac7af70bcb48516

SHA1
3069e5f88a97d7d73bc44ab203a62375a92d5abb

SHA256
3f753132ee840947af2ca6823aaf41674d963bb4232f4d5a99dbee47d6962a36

SHA512
c0aabb0feffd27cb79829089ab2d221e2bfa2f3cb78ee229a35d65122609f4df8fa04efc0f90e8525655f5be804878840cbd034378fabf0e9cbdf39e4e0acd8e

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-FGHK9.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-FGHK9.tmp\_isetup\_isdecmp.dll

Filesize
19KB

MD5
3adaa386b671c2df3bae5b39dc093008

SHA1
067cf95fbdb922d81db58432c46930f86d23dded

SHA256
71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

SHA512
bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

Download Submit
memory/1444-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1444-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1444-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2156-54-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2156-11-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3616-62-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-81-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-48-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-56-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-58-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-59-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/3616-49-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-66-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-70-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-74-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-79-0x00000000008D0000-0x0000000000972000-memory.dmp

Filesize
648KB

Download
memory/3616-53-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-87-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-89-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-92-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-96-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-100-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-104-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-108-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-111-0x00000000008D0000-0x0000000000972000-memory.dmp

Filesize
648KB

Download
memory/3616-110-0x00000000008D0000-0x0000000000972000-memory.dmp

Filesize
648KB

Download
memory/3616-115-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download
memory/3616-119-0x0000000000400000-0x000000000076A000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads