socks5systemz | 08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49

General

Target

08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.exe
Size

5.8MB
MD5

bbef55f0306c1126f3caa7c1390ade27
SHA1

18131ea80717d05df96c8baddf2b7462591e9b9c
SHA256

08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49
SHA512

1d4dd826bbcd4c1154b59e79de34e80f8bba538763aeaa5d26a4cd6dc0618ee07345ba39008fb6acb08876c6fce3bef678c8254380713404100517234a5d4941
SSDEEP

98304:PX4MX7RjenHhxAb2YN6r9MNA95lr6/WBEE2TowvQg/x0DUaQs6Juyazx1x:vOBxAbp6r9MN0ra8qxKQs6JuyaF

Score

10^/10

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

resource	yara_rule
behavioral2/memory/4436-93-0x0000000000A70000-0x0000000000B12000-memory.dmp	family_socks5systemz
behavioral2/memory/4436-123-0x0000000000A70000-0x0000000000B12000-memory.dmp	family_socks5systemz
behavioral2/memory/4436-124-0x0000000000A70000-0x0000000000B12000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

pid	Process
5076	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.tmp
4436	brplayer.exe

Loads dropped DLL 2 IoCs

pid	Process
5076	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.tmp
4436	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.

description	ioc
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

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

description	ioc	Process
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	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	brplayer.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5076	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.tmp
5076	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5076	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.tmp

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 5076	956	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.exe	83
PID 956 wrote to memory of 5076	956	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.exe	83
PID 956 wrote to memory of 5076	956	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.exe	83
PID 5076 wrote to memory of 2972	5076	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.tmp	87
PID 5076 wrote to memory of 2972	5076	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.tmp	87
PID 5076 wrote to memory of 2972	5076	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.tmp	87
PID 5076 wrote to memory of 4436	5076	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.tmp	88
PID 5076 wrote to memory of 4436	5076	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.tmp	88
PID 5076 wrote to memory of 4436	5076	08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.tmp	88
PID 2972 wrote to memory of 428	2972	net.exe	90
PID 2972 wrote to memory of 428	2972	net.exe	90
PID 2972 wrote to memory of 428	2972	net.exe	90

C:\Users\Admin\AppData\Local\Temp\08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.exe
"C:\Users\Admin\AppData\Local\Temp\08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:956
- C:\Users\Admin\AppData\Local\Temp\is-3TNDM.tmp\08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-3TNDM.tmp\08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.tmp" /SL5="$50216,5395770,721408,C:\Users\Admin\AppData\Local\Temp\08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.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:5076
- - 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:2972
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause player_blu_ray_11141
      4⤵
      System Location Discovery: System Language Discovery
      PID:428
- - C:\Users\Admin\AppData\Local\Player Blu Ray 5.0.11\brplayer.exe
    "C:\Users\Admin\AppData\Local\Player Blu Ray 5.0.11\brplayer.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4436

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Player Blu Ray 5.0.11\brplayer.exe

Filesize
3.2MB

MD5
d07e40b829108530490cdc571a11c0c2

SHA1
211c9c7bea68ece75581df8dce6f4c974a77c1bd

SHA256
79f0624e6cdbbdbc70371690df74a7b8e785b63f5d2974d997a1062ece506af7

SHA512
10d25bdb73372cb660934683275b25a1a50ae7752d69142383b8a9af9c485157ecf4215f1e28c3c5a5467a7901401f7095b5af7d620ad2c9dfeeab1865cbb722

Download Submit
C:\Users\Admin\AppData\Local\Player Blu Ray 5.0.11\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3TNDM.tmp\08ea6cc38bef956b8db26cdcafad4a72d8fb956ed352ac706f225efc22f60b49.tmp

Filesize
2.4MB

MD5
a0474bade3d8847f1fb57d386383dbd0

SHA1
cc00fe24641e025070901641632ee47cd51b00ac

SHA256
4374d816a7a122bab501d640c1d63b04ff14599343fef00bc048656a9fe5ca59

SHA512
c96522b10e9324326070c3840d1eb1b0fcbbebe2570c563ad0fbe4a042e0b2dcdf73412296914bc28c8ce529ee388cfdcedfaa19c61795b45387fa8aa0c78d60

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-412NJ.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
memory/956-69-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/956-2-0x0000000000401000-0x00000000004A9000-memory.dmp

Filesize
672KB

Download
memory/956-0-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/4436-80-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-92-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-67-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-132-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-63-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-71-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-72-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/4436-73-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-76-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-128-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-84-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-88-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-93-0x0000000000A70000-0x0000000000B12000-memory.dmp

Filesize
648KB

Download
memory/4436-64-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-100-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-104-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-105-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-109-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-113-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-117-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-121-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/4436-123-0x0000000000A70000-0x0000000000B12000-memory.dmp

Filesize
648KB

Download
memory/4436-124-0x0000000000A70000-0x0000000000B12000-memory.dmp

Filesize
648KB

Download
memory/5076-6-0x0000000000400000-0x0000000000679000-memory.dmp

Filesize
2.5MB

Download
memory/5076-68-0x0000000000400000-0x0000000000679000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing