socks5systemz | 7d728e3092520965203537354ccb0798292014885aecdefe1f22a988cb67661d

General

Target

getlab.exe
Size

3.4MB
MD5

15bd54ed3324a464c1deb1a883e7649e
SHA1

7a6853de5875b347fe48afb232d249e44efeb879
SHA256

7d728e3092520965203537354ccb0798292014885aecdefe1f22a988cb67661d
SHA512

ce9ba0c6853f6cb77f8464c6b09ecf8f0d41555025a7de720a7a2b9b822d39bccdd8798b9e40cc188bd1c943e7a347541c72258247b8a42b5a325878cc294426
SSDEEP

49152:1vFQDY+MpR85bqkh0X/5zflc+cOqngh0Kn3aSl0OlJaHiAJ0YAVbzzqqRnSTKqNE:NFNoK/5Bkgh0K3aJOGCVdiZ/HA

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3912-74-0x00000000008C0000-0x0000000000962000-memory.dmp	family_socks5systemz
behavioral2/memory/3912-104-0x00000000008C0000-0x0000000000962000-memory.dmp	family_socks5systemz
behavioral2/memory/3912-105-0x00000000008C0000-0x0000000000962000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

Processes:

getlab.tmpxlgear32.exe

pid	Process
4872	getlab.tmp
3912	xlgear32.exe

Loads dropped DLL 2 IoCs

Processes:

getlab.tmpxlgear32.exe

pid	Process
4872	getlab.tmp
3912	xlgear32.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

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:

net.exenet1.exexlgear32.exegetlab.exegetlab.tmp

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	xlgear32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	getlab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	getlab.tmp

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

getlab.tmp

pid	Process
4872	getlab.tmp
4872	getlab.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

getlab.tmp

pid	Process
4872	getlab.tmp

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

getlab.exegetlab.tmpnet.exe

description	pid	Process	procid_target
PID 3392 wrote to memory of 4872	3392	getlab.exe	82
PID 3392 wrote to memory of 4872	3392	getlab.exe	82
PID 3392 wrote to memory of 4872	3392	getlab.exe	82
PID 4872 wrote to memory of 4108	4872	getlab.tmp	83
PID 4872 wrote to memory of 4108	4872	getlab.tmp	83
PID 4872 wrote to memory of 4108	4872	getlab.tmp	83
PID 4872 wrote to memory of 3912	4872	getlab.tmp	85
PID 4872 wrote to memory of 3912	4872	getlab.tmp	85
PID 4872 wrote to memory of 3912	4872	getlab.tmp	85
PID 4108 wrote to memory of 2412	4108	net.exe	86
PID 4108 wrote to memory of 2412	4108	net.exe	86
PID 4108 wrote to memory of 2412	4108	net.exe	86

C:\Users\Admin\AppData\Local\Temp\getlab.exe
"C:\Users\Admin\AppData\Local\Temp\getlab.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3392
- C:\Users\Admin\AppData\Local\Temp\is-9R549.tmp\getlab.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-9R549.tmp\getlab.tmp" /SL5="$701FA,3351432,54272,C:\Users\Admin\AppData\Local\Temp\getlab.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:4872
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause xl_gear_11293
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4108
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause xl_gear_11293
      4⤵
      System Location Discovery: System Language Discovery
      PID:2412
- - C:\Users\Admin\AppData\Local\XLGear 3.1.3.157\xlgear32.exe
    "C:\Users\Admin\AppData\Local\XLGear 3.1.3.157\xlgear32.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:3912

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\Temp\is-9R549.tmp\getlab.tmp

Filesize
687KB

MD5
a0cff52b882184452424b6e618fa061b

SHA1
c3985e364276f258b06a7b0dc1b87215b8fcdd80

SHA256
f1ef7fd69a948204ed5f004b7621e7de57320319a5f358adc89fc30f0f06a953

SHA512
722871f86bfecd794a9e0246b87ccf5cf0f62787d50f383f6f71b565d9aa10687703a267a665c395958c44bf9975c0cf6bd8a1fc1a2d7b8f5584dd2d7d078871

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-J6PML.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
C:\Users\Admin\AppData\Local\XLGear 3.1.3.157\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
C:\Users\Admin\AppData\Local\XLGear 3.1.3.157\xlgear32.exe

Filesize
3.2MB

MD5
9dc53d054bb2482253850da5d8dff405

SHA1
f6e82bed4ca68946dc87b172d9e9ab51ab38084a

SHA256
07d66dc4ff91da57222f880efef718ede491777ea387ee09d3e26b2caab7ddb2

SHA512
249a4782254286b6a0d999720fb62dcca616ac21bd5267377514940c22fb5d1f20f12fa9e00577258ddd5ef7b782d945716a1c118bb56320309c9c7a75e77441

Download Submit
memory/3392-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3392-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3392-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/3912-57-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-76-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-44-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-113-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-42-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-51-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-53-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/3912-52-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-54-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-109-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-61-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-65-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-69-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-43-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-74-0x00000000008C0000-0x0000000000962000-memory.dmp

Filesize
648KB

Download
memory/3912-82-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-86-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-90-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-94-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-98-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-102-0x0000000000400000-0x0000000000744000-memory.dmp

Filesize
3.3MB

Download
memory/3912-104-0x00000000008C0000-0x0000000000962000-memory.dmp

Filesize
648KB

Download
memory/3912-105-0x00000000008C0000-0x0000000000962000-memory.dmp

Filesize
648KB

Download
memory/4872-11-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/4872-48-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads