socks5systemz | 211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96

General

Target

211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.exe
Size

5.9MB
MD5

63f093e8c11ec3400762c6626448d9b6
SHA1

7bf748e8a27aa1fc06fdb89e8a5442e6c8136755
SHA256

211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96
SHA512

293be33543e5684ae62cb2c2424fe6322dffc9922cc1df1970ffc663fa0321d48a9c793355df7dae8b19e34019d6659b88be11a1fa71d0b2402e4888ec78194d
SSDEEP

98304:PX45ZuT2RR7lMNe/bkghvp5xz/kY8A3ZOdWTTkSRbXeoIxxpyazx1L:v9T2RRJCS7xz/Z8AJrRDeoIxxpyaX

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2700-94-0x00000000009D0000-0x0000000000A72000-memory.dmp	family_socks5systemz
behavioral2/memory/2700-124-0x00000000009D0000-0x0000000000A72000-memory.dmp	family_socks5systemz
behavioral2/memory/2700-125-0x00000000009D0000-0x0000000000A72000-memory.dmp	family_socks5systemz

Socks5Systemz
Socks5Systemz is a botnet written in C++.
botnet socks5systemz
Socks5systemz family
socks5systemz
Executes dropped EXE 2 IoCs

Processes:

211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmpbrplayer.exe

pid process

3980 211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp
2700 brplayer.exe
Loads dropped DLL 2 IoCs

Processes:

211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmpbrplayer.exe

pid process

3980 211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp
2700 brplayer.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 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

description	ioc
Destination IP	45.155.250.90

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:

211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.exe211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmpbrplayer.exenet.exenet1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	brplayer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp

pid	process
3980	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp
3980	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp

pid process

3980 211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.exe211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmpnet.exe

description	pid	process	target process
PID 3988 wrote to memory of 3980	3988	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.exe	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp
PID 3988 wrote to memory of 3980	3988	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.exe	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp
PID 3988 wrote to memory of 3980	3988	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.exe	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp
PID 3980 wrote to memory of 2020	3980	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp	net.exe
PID 3980 wrote to memory of 2020	3980	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp	net.exe
PID 3980 wrote to memory of 2020	3980	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp	net.exe
PID 3980 wrote to memory of 2700	3980	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp	brplayer.exe
PID 3980 wrote to memory of 2700	3980	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp	brplayer.exe
PID 3980 wrote to memory of 2700	3980	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp	brplayer.exe
PID 2020 wrote to memory of 4360	2020	net.exe	net1.exe
PID 2020 wrote to memory of 4360	2020	net.exe	net1.exe
PID 2020 wrote to memory of 4360	2020	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.exe
"C:\Users\Admin\AppData\Local\Temp\211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3988
- C:\Users\Admin\AppData\Local\Temp\is-ELHJV.tmp\211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-ELHJV.tmp\211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp" /SL5="$8006E,5456923,721408,C:\Users\Admin\AppData\Local\Temp\211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.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:3980
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause player_blu_ray_11141
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2020
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause player_blu_ray_11141
      4⤵
      System Location Discovery: System Language Discovery
      PID:4360
- - C:\Users\Admin\AppData\Local\Player Blu Ray 5.0.10\brplayer.exe
    "C:\Users\Admin\AppData\Local\Player Blu Ray 5.0.10\brplayer.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2700

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\Player Blu Ray 5.0.10\brplayer.exe

Filesize
3.2MB

MD5
90b953cb7070ff79d18b215bd83de190

SHA1
57cd3e405cea0727bb8c652839e8436a70f41e1b

SHA256
9a03a6ed36dad76fd6abf7a01da4e1280b7db8bd5e109de925d9a45d31d5e8df

SHA512
f0a88035f22bb31ef238155a65c26906d766c2f7f05f572dc11c389c1def9c816ac83e79828e02cf55f65ac7031fde8a648027d461bd61b53ca153b604ab5596

Download Submit
C:\Users\Admin\AppData\Local\Player Blu Ray 5.0.10\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-DRB84.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-ELHJV.tmp\211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp

Filesize
2.4MB

MD5
e395cd15841f51f30141ad7d4aa220f0

SHA1
fb16a1f3f3edbb41335e5caebfafb2f482e0f95a

SHA256
dcf6d8629e1c7a3c8a48eff8f8afa8187b30607f2d78051e5e73d8fc5da62fd2

SHA512
d2b5e32230cdc4b8238ae2c1fd0463a30e2a549074077f0a2784aa7f130c179f61c54c7a124138ec2c211ec73d069936f713e46f5123e9c178a23cfe6eb7f40b

Download Submit
memory/2700-80-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-106-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-133-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-63-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-64-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-67-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-129-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-125-0x00000000009D0000-0x0000000000A72000-memory.dmp

Filesize
648KB

Download
memory/2700-72-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2700-71-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-73-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-76-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-124-0x00000000009D0000-0x0000000000A72000-memory.dmp

Filesize
648KB

Download
memory/2700-84-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-88-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-94-0x00000000009D0000-0x0000000000A72000-memory.dmp

Filesize
648KB

Download
memory/2700-95-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-101-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-105-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-122-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-110-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-114-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2700-118-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/3980-6-0x0000000000400000-0x0000000000679000-memory.dmp

Filesize
2.5MB

Download
memory/3980-68-0x0000000000400000-0x0000000000679000-memory.dmp

Filesize
2.5MB

Download
memory/3988-2-0x0000000000401000-0x00000000004A9000-memory.dmp

Filesize
672KB

Download
memory/3988-69-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/3988-0-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download

pid	process
3980	211278381d16c98fc153150fcfe9a457592792ade0b94747b2656b42dc8dea96.tmp
2700	brplayer.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads