socks5systemz | 692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8

General

Target

692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.exe
Size

3.4MB
MD5

4f56d60c04a7b3bbce509675b1006dc7
SHA1

09e3890cadaf777f0785ce393caf153712643613
SHA256

692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8
SHA512

6f81a7fa90eb333fe248fe44dc965e88c3b4ee0da87554f5f3a274e1d069919f214405bcd47d5a2b4faa00d379c26e268bc3dbdfbcb6cbb1cef01f269a40f752
SSDEEP

98304:N2ILqfne4s6G4ln9e4aSNACvmMupJhksZZffbYvrUZnxeSEo7:Y3e4s6G4lnkYrahhXffbYvoZxeSEo7

Score

10^/10

socks5systemz botnet discovery

Malware Config

Signatures

Detect Socks5Systemz Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2828-80-0x0000000002C70000-0x0000000002D12000-memory.dmp	family_socks5systemz
behavioral1/memory/2828-108-0x0000000002C70000-0x0000000002D12000-memory.dmp	family_socks5systemz
behavioral1/memory/2828-109-0x0000000002C70000-0x0000000002D12000-memory.dmp	family_socks5systemz

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

Executes dropped EXE 2 IoCs

Processes:

692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmpcapturn.exe

pid	Process
3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp
2828	capturn.exe

Loads dropped DLL 6 IoCs

Processes:

692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.exe692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmpcapturn.exe

pid	Process
2568	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.exe
3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp
3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp
3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp
3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp
2828	capturn.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:

692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmpcapturn.exenet.exenet1.exe692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	capturn.exe
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	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp

pid	Process
3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp
3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp

pid	Process
3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.exe692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmpnet.exe

description	pid	Process	procid_target
PID 2568 wrote to memory of 3052	2568	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.exe	30
PID 2568 wrote to memory of 3052	2568	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.exe	30
PID 2568 wrote to memory of 3052	2568	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.exe	30
PID 2568 wrote to memory of 3052	2568	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.exe	30
PID 2568 wrote to memory of 3052	2568	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.exe	30
PID 2568 wrote to memory of 3052	2568	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.exe	30
PID 2568 wrote to memory of 3052	2568	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.exe	30
PID 3052 wrote to memory of 2844	3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp	31
PID 3052 wrote to memory of 2844	3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp	31
PID 3052 wrote to memory of 2844	3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp	31
PID 3052 wrote to memory of 2844	3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp	31
PID 3052 wrote to memory of 2828	3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp	33
PID 3052 wrote to memory of 2828	3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp	33
PID 3052 wrote to memory of 2828	3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp	33
PID 3052 wrote to memory of 2828	3052	692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp	33
PID 2844 wrote to memory of 2984	2844	net.exe	34
PID 2844 wrote to memory of 2984	2844	net.exe	34
PID 2844 wrote to memory of 2984	2844	net.exe	34
PID 2844 wrote to memory of 2984	2844	net.exe	34

C:\Users\Admin\AppData\Local\Temp\692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.exe
"C:\Users\Admin\AppData\Local\Temp\692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Users\Admin\AppData\Local\Temp\is-8B7AR.tmp\692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-8B7AR.tmp\692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp" /SL5="$400C6,3334136,54272,C:\Users\Admin\AppData\Local\Temp\692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.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:3052
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\system32\net.exe" pause capturn_11241
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2844
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 pause capturn_11241
      4⤵
      System Location Discovery: System Language Discovery
      PID:2984
- - C:\Users\Admin\AppData\Local\Capturn 1.0.1\capturn.exe
    "C:\Users\Admin\AppData\Local\Capturn 1.0.1\capturn.exe" -i
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2828

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

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Downloads

C:\Users\Admin\AppData\Local\Capturn 1.0.1\sqlite3.dll

Filesize
630KB

MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
\Users\Admin\AppData\Local\Capturn 1.0.1\capturn.exe

Filesize
3.0MB

MD5
cfe36daaf411ed68051a4931378c3d6c

SHA1
dbed0cabab38035c21ba89922734ef3b9e600315

SHA256
43b501d5ac1a6979406e4dc7f1fa794c7817b07164c344c13d605acc0ba5085e

SHA512
2f568932c4db67c26b259c827452f36f785ce9182195302cf729ff7cf1038ba2add28dfa12f57493b1a2f98a8c7e12dc2cf5702e53389e02badf3cbeb6ca6cf8

Download Submit
\Users\Admin\AppData\Local\Temp\is-2VN1H.tmp\_isetup\_iscrypt.dll

Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-2VN1H.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-8B7AR.tmp\692cd60767837ece27f35a4f719c3985315f4f1de6e64f66736041ad4c574ba8.tmp

Filesize
687KB

MD5
cb26f4577b094d38c6e30091eef82198

SHA1
c13a89a2b8e6b4b436eab6371994bb01ec782d8d

SHA256
d239d2d3464cae57269fcdad8abd73837009bcebea82d742f8615a604d7e7c8f

SHA512
1e75dff148afd5ce8e8da9f83814a5ba8dbf68c3bbf0db9544b11e2f40c9515f033bd15b1b4f9eb8c28f7f5f0462499483c3a6a1fcf64bf2c894ff9760ade061

Download Submit
memory/2568-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2568-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2568-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2828-58-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/2828-78-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-49-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-117-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-113-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-57-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-109-0x0000000002C70000-0x0000000002D12000-memory.dmp

Filesize
648KB

Download
memory/2828-59-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-108-0x0000000002C70000-0x0000000002D12000-memory.dmp

Filesize
648KB

Download
memory/2828-62-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-66-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-70-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-74-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-47-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-80-0x0000000002C70000-0x0000000002D12000-memory.dmp

Filesize
648KB

Download
memory/2828-86-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-90-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-94-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-98-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-102-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/2828-106-0x0000000000400000-0x0000000000702000-memory.dmp

Filesize
3.0MB

Download
memory/3052-10-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3052-44-0x0000000003C80000-0x0000000003F82000-memory.dmp

Filesize
3.0MB

Download
memory/3052-54-0x0000000003C80000-0x0000000003F82000-memory.dmp

Filesize
3.0MB

Download
memory/3052-53-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads